id
stringlengths
9
13
submitter
stringlengths
4
48
authors
stringlengths
4
9.62k
title
stringlengths
4
343
comments
stringlengths
2
480
journal-ref
stringlengths
9
309
doi
stringlengths
12
138
report-no
stringclasses
277 values
categories
stringlengths
8
87
license
stringclasses
9 values
orig_abstract
stringlengths
27
3.76k
versions
listlengths
1
15
update_date
stringlengths
10
10
authors_parsed
listlengths
1
147
abstract
stringlengths
24
3.75k
2303.09094
Masod Sadipour
Masod Sadipour, Ali N. Azadani
The measurement of bovine pericardium density and its implications on leaflet stress distribution in bioprosthetic heart valves
13 pages, 7 figures
null
10.1007/s13239-023-00692-0
null
q-bio.TO
http://creativecommons.org/publicdomain/zero/1.0/
Purpose: Bioprosthetic Heart Valves (BHVs) are currently in widespread use with promising outcomes. Computational modeling provides a framework for quantitatively describing BHVs in the preclinical phase. To obtain reliable solutions in computational modeling, it is essential to consider accurate leaflet properties s...
[ { "created": "Thu, 16 Mar 2023 05:38:54 GMT", "version": "v1" } ]
2024-01-23
[ [ "Sadipour", "Masod", "" ], [ "Azadani", "Ali N.", "" ] ]
Purpose: Bioprosthetic Heart Valves (BHVs) are currently in widespread use with promising outcomes. Computational modeling provides a framework for quantitatively describing BHVs in the preclinical phase. To obtain reliable solutions in computational modeling, it is essential to consider accurate leaflet properties suc...
2009.11241
Xuan Guo
Xuan Guo, Shichao Feng
Deep learning for peptide identification from metaproteomics datasets
null
null
null
null
q-bio.QM
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Metaproteomics are becoming widely used in microbiome research for gaining insights into the functional state of the microbial community. Current metaproteomics studies are generally based on high-throughput tandem mass spectrometry (MS/MS) coupled with liquid chromatography. The identification of peptides and protei...
[ { "created": "Wed, 23 Sep 2020 16:25:22 GMT", "version": "v1" } ]
2020-09-24
[ [ "Guo", "Xuan", "" ], [ "Feng", "Shichao", "" ] ]
Metaproteomics are becoming widely used in microbiome research for gaining insights into the functional state of the microbial community. Current metaproteomics studies are generally based on high-throughput tandem mass spectrometry (MS/MS) coupled with liquid chromatography. The identification of peptides and proteins...
2101.01752
Giuseppe Tronci
Heather E. Owston, Katrina M. Moisley, Giuseppe Tronci, Stephen J. Russell, Peter V. Giannoudis, Elena Jones
Induced Periosteum-Mimicking Membrane with Cell Barrier and Multipotential Stromal Cell (MSC) Homing Functionalities
null
null
10.3390/ijms21155233
null
q-bio.TO
http://creativecommons.org/licenses/by/4.0/
The current management of critical size bone defects (CSBDs) remains challenging and requires multiple surgeries. To reduce the number of surgeries, wrapping a biodegradable fibrous membrane around the defect to contain the graft and carry biological stimulants for repair is highly desirable. Poly(epsilon-caprolacton...
[ { "created": "Tue, 5 Jan 2021 19:36:50 GMT", "version": "v1" } ]
2021-01-07
[ [ "Owston", "Heather E.", "" ], [ "Moisley", "Katrina M.", "" ], [ "Tronci", "Giuseppe", "" ], [ "Russell", "Stephen J.", "" ], [ "Giannoudis", "Peter V.", "" ], [ "Jones", "Elena", "" ] ]
The current management of critical size bone defects (CSBDs) remains challenging and requires multiple surgeries. To reduce the number of surgeries, wrapping a biodegradable fibrous membrane around the defect to contain the graft and carry biological stimulants for repair is highly desirable. Poly(epsilon-caprolactone)...
1909.00404
Alexander Spirov
Victoria Yu. Samuta, Alexander V. Spirov
Quantitative analysis of the dynamics of maternal gradients of the early Drosophila embryo
19 pages, in russian
null
null
null
q-bio.QM q-bio.CB
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The predetermination, formation and maintenance of the primary morphogenetic gradient (bicoid gradient) of the early Drosophila embryo involves many interrelated processes. Here we focus on a system-biological analysis of the processes of redistribution of bicoid mRNA in an early embryo. The results of a quantitative...
[ { "created": "Sun, 1 Sep 2019 14:00:30 GMT", "version": "v1" } ]
2019-09-04
[ [ "Samuta", "Victoria Yu.", "" ], [ "Spirov", "Alexander V.", "" ] ]
The predetermination, formation and maintenance of the primary morphogenetic gradient (bicoid gradient) of the early Drosophila embryo involves many interrelated processes. Here we focus on a system-biological analysis of the processes of redistribution of bicoid mRNA in an early embryo. The results of a quantitative a...
2104.11852
Tiberiu Tesileanu
Tiberiu Tesileanu, Siavash Golkar, Samaneh Nasiri, Anirvan M. Sengupta, Dmitri B. Chklovskii
Neural circuits for dynamics-based segmentation of time series
v2.1; 34 pages, 14 figures
null
null
null
q-bio.NC physics.bio-ph
http://creativecommons.org/licenses/by/4.0/
The brain must extract behaviorally relevant latent variables from the signals streamed by the sensory organs. Such latent variables are often encoded in the dynamics that generated the signal rather than in the specific realization of the waveform. Therefore, one problem faced by the brain is to segment time series ...
[ { "created": "Sat, 24 Apr 2021 01:54:27 GMT", "version": "v1" }, { "created": "Wed, 29 Sep 2021 18:59:27 GMT", "version": "v2" }, { "created": "Tue, 5 Oct 2021 21:11:50 GMT", "version": "v3" } ]
2021-10-07
[ [ "Tesileanu", "Tiberiu", "" ], [ "Golkar", "Siavash", "" ], [ "Nasiri", "Samaneh", "" ], [ "Sengupta", "Anirvan M.", "" ], [ "Chklovskii", "Dmitri B.", "" ] ]
The brain must extract behaviorally relevant latent variables from the signals streamed by the sensory organs. Such latent variables are often encoded in the dynamics that generated the signal rather than in the specific realization of the waveform. Therefore, one problem faced by the brain is to segment time series ba...
1806.11557
Francis Aweda
O.A. Falaiye and F. O Aweda
Mineralogical Characteristics of Harmattan Dust Across Jos North Central and Potiskum North Earthern Cities of Nigeria
18 pqges, 7 figures
null
null
null
q-bio.OT astro-ph.EP
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The trace metals and mineralogical composition of harmattan dust carried out on the samples collected at Jos ((9 55'N, 8 55'E)) and Potiskum ((11 43'N, 11 02'E) as revealed by PIXE and AAS machine using clean Petri Dishes and Plastic bowls of 10 cm in diameter aimed on the characteristics of the mineralogical and ele...
[ { "created": "Tue, 19 Jun 2018 21:14:03 GMT", "version": "v1" } ]
2018-07-02
[ [ "Falaiye", "O. A.", "" ], [ "Aweda", "F. O", "" ] ]
The trace metals and mineralogical composition of harmattan dust carried out on the samples collected at Jos ((9 55'N, 8 55'E)) and Potiskum ((11 43'N, 11 02'E) as revealed by PIXE and AAS machine using clean Petri Dishes and Plastic bowls of 10 cm in diameter aimed on the characteristics of the mineralogical and eleme...
1908.01876
Patrick Holmes
Patrick D. Holmes, Shannon M. Danforth, Xiao-Yu Fu, Talia Y. Moore, and Ram Vasudevan
Characterizing the limits of human stability during motion: perturbative experiment validates a model-based approach for the Sit-to-Stand task
19 pages, 9 figures
null
null
null
q-bio.QM
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Falls affect a growing number of the population each year. Clinical methods to identify those at greatest risk for falls usually evaluate individuals while they perform specific motions such as balancing or Sit-to-Stand (STS). Unfortunately these techniques have been shown to have poor predictive power and are unable...
[ { "created": "Mon, 5 Aug 2019 21:54:52 GMT", "version": "v1" } ]
2019-08-07
[ [ "Holmes", "Patrick D.", "" ], [ "Danforth", "Shannon M.", "" ], [ "Fu", "Xiao-Yu", "" ], [ "Moore", "Talia Y.", "" ], [ "Vasudevan", "Ram", "" ] ]
Falls affect a growing number of the population each year. Clinical methods to identify those at greatest risk for falls usually evaluate individuals while they perform specific motions such as balancing or Sit-to-Stand (STS). Unfortunately these techniques have been shown to have poor predictive power and are unable t...
2007.02855
Gilberto Nakamura
Gilberto Nakamura, Basil Grammaticos, Christophe Deroulers, Mathilde Badoual
Effective epidemic model for COVID-19 using accumulated deaths
20 pages, 7 figures
null
10.1016/j.chaos.2021.110667
null
q-bio.PE physics.bio-ph physics.soc-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The severe acute respiratory syndrome COVID-19 has been in the center of the ongoing global health crisis in 2020. The high prevalence of mild cases facilitates sub-notification outside hospital environments and the number of those who are or have been infected remains largely unknown, leading to poor estimates of th...
[ { "created": "Mon, 6 Jul 2020 16:13:45 GMT", "version": "v1" } ]
2021-05-26
[ [ "Nakamura", "Gilberto", "" ], [ "Grammaticos", "Basil", "" ], [ "Deroulers", "Christophe", "" ], [ "Badoual", "Mathilde", "" ] ]
The severe acute respiratory syndrome COVID-19 has been in the center of the ongoing global health crisis in 2020. The high prevalence of mild cases facilitates sub-notification outside hospital environments and the number of those who are or have been infected remains largely unknown, leading to poor estimates of the ...
2402.17252
Thomas-Otavio Peulen
Thomas-Otavio Peulen (1,2,3,4), Katherina Hemmen (4), Annemarie Greife (5), Benjamin M. Webb (1,2,3), Suren Felekyan (5), Andrej Sali (1,2,3), Claus A. M. Seidel (5), Hugo Sanabria (6), Katrin G. Heinze (4) ((1) Department of Bioengineering and Therapeutic Sciences, University of California, San Francisco, (2) ...
tttrlib: modular software for integrating fluorescence spectroscopy, imaging, and molecular modeling
null
null
null
null
q-bio.QM physics.bio-ph
http://creativecommons.org/licenses/by-sa/4.0/
We introduce software for reading, writing and processing fluorescence single-molecule and image spectroscopy data and developing analysis pipelines that unifies various spectroscopic analysis tools. Our software can be used for processing multiple experiment types, e.g., for time-resolved single-molecule (sm) spectr...
[ { "created": "Tue, 27 Feb 2024 06:53:18 GMT", "version": "v1" } ]
2024-02-28
[ [ "Peulen", "Thomas-Otavio", "" ], [ "Hemmen", "Katherina", "" ], [ "Greife", "Annemarie", "" ], [ "Webb", "Benjamin M.", "" ], [ "Felekyan", "Suren", "" ], [ "Sali", "Andrej", "" ], [ "Seidel", "Claus A. M.", ...
We introduce software for reading, writing and processing fluorescence single-molecule and image spectroscopy data and developing analysis pipelines that unifies various spectroscopic analysis tools. Our software can be used for processing multiple experiment types, e.g., for time-resolved single-molecule (sm) spectros...
1912.08735
Can Firtina
Jeremie S. Kim, Can Firtina, Meryem Banu Cavlak, Damla Senol Cali, Mohammed Alser, Nastaran Hajinazar, Can Alkan, Onur Mutlu
AirLift: A Fast and Comprehensive Technique for Remapping Alignments between Reference Genomes
null
null
null
null
q-bio.GN cs.CE
http://creativecommons.org/licenses/by/4.0/
As genome sequencing tools and techniques improve, researchers are able to incrementally assemble more accurate reference genomes, which enable sensitivity in read mapping and downstream analysis such as variant calling. A more sensitive downstream analysis is critical for a better understanding of the genome donor (...
[ { "created": "Wed, 18 Dec 2019 16:58:27 GMT", "version": "v1" }, { "created": "Wed, 17 Feb 2021 00:07:40 GMT", "version": "v2" }, { "created": "Fri, 12 Aug 2022 04:38:54 GMT", "version": "v3" }, { "created": "Mon, 21 Nov 2022 13:12:27 GMT", "version": "v4" } ]
2022-11-22
[ [ "Kim", "Jeremie S.", "" ], [ "Firtina", "Can", "" ], [ "Cavlak", "Meryem Banu", "" ], [ "Cali", "Damla Senol", "" ], [ "Alser", "Mohammed", "" ], [ "Hajinazar", "Nastaran", "" ], [ "Alkan", "Can", "" ], ...
As genome sequencing tools and techniques improve, researchers are able to incrementally assemble more accurate reference genomes, which enable sensitivity in read mapping and downstream analysis such as variant calling. A more sensitive downstream analysis is critical for a better understanding of the genome donor (e....
2004.14787
Biman Bagchi -
Saumyak Mukherjee, Sayantan Mondal and Biman Bagchi
Dynamical Theory and Cellular Automata Simulations of Pandemic Spread: Understanding Different Temporal Patterns of Infections
11 pages, 11 figures, 3 tables
null
null
null
q-bio.PE
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Here we propose and implement a generalized mathematical model to find the time evolution of population in infectious diseases and apply the model to study the recent COVID-19 pandemic. Our model at the core is a non-local generalization of the widely used Kermack-McKendrick(KM) model where the susceptible(S) populat...
[ { "created": "Thu, 30 Apr 2020 14:02:49 GMT", "version": "v1" } ]
2020-05-01
[ [ "Mukherjee", "Saumyak", "" ], [ "Mondal", "Sayantan", "" ], [ "Bagchi", "Biman", "" ] ]
Here we propose and implement a generalized mathematical model to find the time evolution of population in infectious diseases and apply the model to study the recent COVID-19 pandemic. Our model at the core is a non-local generalization of the widely used Kermack-McKendrick(KM) model where the susceptible(S) populatio...
1706.05568
Mareike Fischer
Michelle Galla and Kristina Wicke and Mareike Fischer
On the statistical inconsistency of Maximum Parsimony for $k$-tuple-site data
null
null
null
null
q-bio.PE math.CO math.PR stat.AP
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
One of the main aims of phylogenetics is to reconstruct the \enquote{Tree of Life}. In this respect, different methods and criteria are used to analyze DNA sequences of different species and to compare them in order to derive the evolutionary relationships of these species. Maximum Parsimony is one such criterion for...
[ { "created": "Sat, 17 Jun 2017 18:03:27 GMT", "version": "v1" }, { "created": "Thu, 14 Dec 2017 21:32:47 GMT", "version": "v2" }, { "created": "Thu, 4 Oct 2018 07:58:45 GMT", "version": "v3" } ]
2018-10-05
[ [ "Galla", "Michelle", "" ], [ "Wicke", "Kristina", "" ], [ "Fischer", "Mareike", "" ] ]
One of the main aims of phylogenetics is to reconstruct the \enquote{Tree of Life}. In this respect, different methods and criteria are used to analyze DNA sequences of different species and to compare them in order to derive the evolutionary relationships of these species. Maximum Parsimony is one such criterion for t...
q-bio/0506018
Antonio T. Costa Jr
Monica F. B. Moreira, Marcio P. Dantas, A. T. Costa Jr
Spontaneous natural selection in a model for spatially distributed interacting populations
RevTeX4, 8 figures
null
null
null
q-bio.PE
null
We present an individual-based model for two interacting populations diffusing on lattices in which a strong natural selection develops spontaneously. The models combine traditional local predator-prey dynamics with random walks. Individual's mobility is considered as an inherited trait. Small variations upon inherit...
[ { "created": "Wed, 15 Jun 2005 21:39:33 GMT", "version": "v1" } ]
2007-05-23
[ [ "Moreira", "Monica F. B.", "" ], [ "Dantas", "Marcio P.", "" ], [ "Costa", "A. T.", "Jr" ] ]
We present an individual-based model for two interacting populations diffusing on lattices in which a strong natural selection develops spontaneously. The models combine traditional local predator-prey dynamics with random walks. Individual's mobility is considered as an inherited trait. Small variations upon inheritan...
1902.01257
Vesna Vuksanovic
Vesna Vuksanovi\'c
Cortical thickness and functional networks modules by cortical lobes
null
null
null
null
q-bio.NC
http://creativecommons.org/licenses/by/4.0/
This study aims to investigate topological organization of cortical thickness and functional networks by cortical lobes. First, I demonstrated modular organization of these networks by the cortical surface frontal, temporal, parietal and occipital divisions. Secondly, I mapped the overlapping edges of cortical thickn...
[ { "created": "Mon, 4 Feb 2019 15:39:10 GMT", "version": "v1" }, { "created": "Thu, 13 Jun 2019 09:16:27 GMT", "version": "v2" } ]
2019-06-14
[ [ "Vuksanović", "Vesna", "" ] ]
This study aims to investigate topological organization of cortical thickness and functional networks by cortical lobes. First, I demonstrated modular organization of these networks by the cortical surface frontal, temporal, parietal and occipital divisions. Secondly, I mapped the overlapping edges of cortical thicknes...
2006.03420
Robert Worden
R.P. Worden
Is there a wave excitation in the Thalamus?
11 pages
null
null
null
q-bio.NC
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
This paper proposes that the thalamus is the site of a wave excitation, whose function is to represent the locations of things around the animal. Neurons couple to the wave as transmitters and receivers. The wave acts as an analogue representation of local space. This has benefits over a purely neural representation ...
[ { "created": "Wed, 20 May 2020 14:28:02 GMT", "version": "v1" } ]
2020-06-08
[ [ "Worden", "R. P.", "" ] ]
This paper proposes that the thalamus is the site of a wave excitation, whose function is to represent the locations of things around the animal. Neurons couple to the wave as transmitters and receivers. The wave acts as an analogue representation of local space. This has benefits over a purely neural representation of...
2404.09059
Rayanne Luke
Prajakta Bedekar and Rayanne A. Luke and Anthony J. Kearsley
Prevalence estimation methods for time-dependent antibody kinetics of infected and vaccinated individuals: a graph-theoretic approach
27 pages, 7 figures
null
null
null
q-bio.PE math.PR physics.bio-ph q-bio.QM stat.ME
http://creativecommons.org/licenses/by/4.0/
Immune events such as infection, vaccination, and a combination of the two result in distinct time-dependent antibody responses in affected individuals. These responses and event prevalences combine non-trivially to govern antibody levels sampled from a population. Time-dependence and disease prevalence pose consider...
[ { "created": "Sat, 13 Apr 2024 18:43:59 GMT", "version": "v1" } ]
2024-04-16
[ [ "Bedekar", "Prajakta", "" ], [ "Luke", "Rayanne A.", "" ], [ "Kearsley", "Anthony J.", "" ] ]
Immune events such as infection, vaccination, and a combination of the two result in distinct time-dependent antibody responses in affected individuals. These responses and event prevalences combine non-trivially to govern antibody levels sampled from a population. Time-dependence and disease prevalence pose considerab...
1706.02327
Christian Negre
Christian F. A. Negre, Uriel N. Morzan, Heidi Hendrickson, Rhitankar Pal, George P. Lisi, J. Patrick Loria, Ivan Rivalta, Junming Ho, Victor S. Batista
Eigenvector Centrality Distribution for Characterization of Protein Allosteric Pathways
null
null
10.1073/pnas.1810452115
null
q-bio.BM cond-mat.soft
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Determining the principal energy pathways for allosteric communication in biomolecules, that occur as a result of thermal motion, remains challenging due to the intrinsic complexity of the systems involved. Graph theory provides an approach for making sense of such complexity, where allosteric proteins can be represe...
[ { "created": "Wed, 7 Jun 2017 18:32:59 GMT", "version": "v1" }, { "created": "Mon, 25 Jun 2018 15:33:04 GMT", "version": "v2" } ]
2022-05-04
[ [ "Negre", "Christian F. A.", "" ], [ "Morzan", "Uriel N.", "" ], [ "Hendrickson", "Heidi", "" ], [ "Pal", "Rhitankar", "" ], [ "Lisi", "George P.", "" ], [ "Loria", "J. Patrick", "" ], [ "Rivalta", "Ivan", "...
Determining the principal energy pathways for allosteric communication in biomolecules, that occur as a result of thermal motion, remains challenging due to the intrinsic complexity of the systems involved. Graph theory provides an approach for making sense of such complexity, where allosteric proteins can be represent...
2002.10372
Mauro Mobilia
Ami Taitelbaum, Robert West, Michael Assaf, Mauro Mobilia
Population Dynamics in a Changing Environment: Random versus Periodic Switching
22 pages, 7 figures: main text (6 pages, 3 figures) followed by Supplementary Material (16 pages, 4 figures). Published in Physical Review Letters. Additional supporting resources available at https://figshare.com/articles/Supplementary_Material/12613370
Phys. Rev. Lett. 125, 048105 (2020)
10.1103/PhysRevLett.125.048105
null
q-bio.PE cond-mat.stat-mech nlin.AO physics.bio-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Environmental changes greatly influence the evolution of populations. Here, we study the dynamics of a population of two strains, one growing slightly faster than the other, competing for resources in a time-varying binary environment modeled by a carrying capacity switching either randomly or periodically between st...
[ { "created": "Mon, 24 Feb 2020 16:57:17 GMT", "version": "v1" }, { "created": "Thu, 9 Jul 2020 00:22:13 GMT", "version": "v2" }, { "created": "Mon, 27 Jul 2020 14:26:40 GMT", "version": "v3" } ]
2020-07-28
[ [ "Taitelbaum", "Ami", "" ], [ "West", "Robert", "" ], [ "Assaf", "Michael", "" ], [ "Mobilia", "Mauro", "" ] ]
Environmental changes greatly influence the evolution of populations. Here, we study the dynamics of a population of two strains, one growing slightly faster than the other, competing for resources in a time-varying binary environment modeled by a carrying capacity switching either randomly or periodically between stat...
1205.6867
Frederick Matsen IV
Frederick A. Matsen, Aaron Gallagher, Connor McCoy
Minimizing the average distance to a closest leaf in a phylogenetic tree
Please contact us with any comments or questions!
null
null
null
q-bio.PE cs.DM
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
When performing an analysis on a collection of molecular sequences, it can be convenient to reduce the number of sequences under consideration while maintaining some characteristic of a larger collection of sequences. For example, one may wish to select a subset of high-quality sequences that represent the diversity ...
[ { "created": "Thu, 31 May 2012 01:41:37 GMT", "version": "v1" }, { "created": "Fri, 31 Aug 2012 18:05:58 GMT", "version": "v2" } ]
2012-09-03
[ [ "Matsen", "Frederick A.", "" ], [ "Gallagher", "Aaron", "" ], [ "McCoy", "Connor", "" ] ]
When performing an analysis on a collection of molecular sequences, it can be convenient to reduce the number of sequences under consideration while maintaining some characteristic of a larger collection of sequences. For example, one may wish to select a subset of high-quality sequences that represent the diversity of...
2404.10807
Joseph Marsh
Benjamin J. Livesey, Mihaly Badonyi, Mafalda Dias, Jonathan Frazer, Sushant Kumar, Kresten Lindorff-Larsen, David M. McCandlish, Rose Orenbuch, Courtney A. Shearer, Lara Muffley, Julia Foreman, Andrew M. Glazer, Ben Lehner, Debora S. Marks, Frederick P. Roth, Alan F. Rubin, Lea M. Starita and Joseph A. Marsh
Guidelines for releasing a variant effect predictor
14 pages, 1 figure
null
null
null
q-bio.OT
http://creativecommons.org/licenses/by/4.0/
Computational methods for assessing the likely impacts of mutations, known as variant effect predictors (VEPs), are widely used in the assessment and interpretation of human genetic variation, as well as in other applications like protein engineering. Many different VEPs have been released to date, and there is treme...
[ { "created": "Tue, 16 Apr 2024 13:37:07 GMT", "version": "v1" } ]
2024-04-18
[ [ "Livesey", "Benjamin J.", "" ], [ "Badonyi", "Mihaly", "" ], [ "Dias", "Mafalda", "" ], [ "Frazer", "Jonathan", "" ], [ "Kumar", "Sushant", "" ], [ "Lindorff-Larsen", "Kresten", "" ], [ "McCandlish", "David M."...
Computational methods for assessing the likely impacts of mutations, known as variant effect predictors (VEPs), are widely used in the assessment and interpretation of human genetic variation, as well as in other applications like protein engineering. Many different VEPs have been released to date, and there is tremend...
1503.00529
Sergei Maslov
Sergei Maslov and Kim Sneppen
Diversity waves in collapse-driven population dynamics
15 pages (including SI), 6 figures + 7 supplementary figures
null
10.1371/journal.pcbi.1004440
null
q-bio.PE nlin.AO physics.soc-ph q-fin.EC q-fin.GN
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Populations of species in ecosystems are often constrained by availability of resources within their environment. In effect this means that a growth of one population, needs to be balanced by comparable reduction in populations of others. In neutral models of biodiversity all populations are assumed to change increme...
[ { "created": "Mon, 2 Mar 2015 14:03:39 GMT", "version": "v1" }, { "created": "Tue, 14 Jul 2015 18:39:20 GMT", "version": "v2" } ]
2016-02-17
[ [ "Maslov", "Sergei", "" ], [ "Sneppen", "Kim", "" ] ]
Populations of species in ecosystems are often constrained by availability of resources within their environment. In effect this means that a growth of one population, needs to be balanced by comparable reduction in populations of others. In neutral models of biodiversity all populations are assumed to change increment...
2004.07440
Masaki Watabe
Masaki Watabe, Hideaki Yoshimura, Satya N. V. Arjunan, Kazunari Kaizu, and Koichi Takahashi
Signaling activations through G-protein-coupled-receptor aggregations
6 pages, 4 figures
Phys. Rev. E 102, 032413 (2020)
10.1103/PhysRevE.102.032413
null
q-bio.MN q-bio.BM
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Eukaryotic cells transmit extracellular signal information to cellular interiors through the formation of a ternary complex made up of a ligand (or agonist), G-protein, and G-protein coupled receptor (GPCR). Previously formalized theories of ternary complex formation have mainly assumed that observable states of rece...
[ { "created": "Thu, 16 Apr 2020 03:51:21 GMT", "version": "v1" }, { "created": "Tue, 22 Sep 2020 23:10:22 GMT", "version": "v2" } ]
2020-09-24
[ [ "Watabe", "Masaki", "" ], [ "Yoshimura", "Hideaki", "" ], [ "Arjunan", "Satya N. V.", "" ], [ "Kaizu", "Kazunari", "" ], [ "Takahashi", "Koichi", "" ] ]
Eukaryotic cells transmit extracellular signal information to cellular interiors through the formation of a ternary complex made up of a ligand (or agonist), G-protein, and G-protein coupled receptor (GPCR). Previously formalized theories of ternary complex formation have mainly assumed that observable states of recept...
q-bio/0611024
Iraziet Charret
I. C. Charret and M. V. Carneiro
Spontaneous emergence of spatial patterns ina a predator-prey model
17 pages and 15 figures
PRE v.76. e061902, 2007
10.1103/PhysRevE.76.061902
null
q-bio.PE
null
We present studies for an individual based model of three interacting populations whose individuals are mobile in a 2D-lattice. We focus on the pattern formation in the spatial distributions of the populations. Also relevant is the relationship between pattern formation and features of the populations' time series. O...
[ { "created": "Tue, 7 Nov 2006 13:37:35 GMT", "version": "v1" } ]
2007-12-18
[ [ "Charret", "I. C.", "" ], [ "Carneiro", "M. V.", "" ] ]
We present studies for an individual based model of three interacting populations whose individuals are mobile in a 2D-lattice. We focus on the pattern formation in the spatial distributions of the populations. Also relevant is the relationship between pattern formation and features of the populations' time series. Our...
2003.00009
Carlo Vittorio Cannistraci
Yan Ge, Philipp Rosendahl, Claudio Dur\'an, Nicole T\"opfner, Sara Ciucci, Jochen Guck, and Carlo Vittorio Cannistraci
Cell Mechanics Based Computational Classification of Red Blood Cells Via Machine Intelligence Applied to Morpho-Rheological Markers
13 pages, 3 figures, 4 tables
IEEE/ACM Trans. Comput. Biol. Bioinform (2019)
10.1109/TCBB.2019.2945762
null
q-bio.QM cs.LG stat.ML
http://creativecommons.org/licenses/by-nc-sa/4.0/
Despite fluorescent cell-labelling being widely employed in biomedical studies, some of its drawbacks are inevitable, with unsuitable fluorescent probes or probes inducing a functional change being the main limitations. Consequently, the demand for and development of label-free methodologies to classify cells is stro...
[ { "created": "Mon, 2 Mar 2020 15:11:46 GMT", "version": "v1" } ]
2020-03-03
[ [ "Ge", "Yan", "" ], [ "Rosendahl", "Philipp", "" ], [ "Durán", "Claudio", "" ], [ "Töpfner", "Nicole", "" ], [ "Ciucci", "Sara", "" ], [ "Guck", "Jochen", "" ], [ "Cannistraci", "Carlo Vittorio", "" ] ]
Despite fluorescent cell-labelling being widely employed in biomedical studies, some of its drawbacks are inevitable, with unsuitable fluorescent probes or probes inducing a functional change being the main limitations. Consequently, the demand for and development of label-free methodologies to classify cells is strong...
2401.06294
Clement Soubrier
Cl\'ement Soubrier, Eric Foxall, Luca Ciandrini, Khanh Dao Duc
Optimal control of ribosome population for gene expression under periodic nutrient intake
16 pages (plus 13 pages of appendices). 4 figures (plus 1 figure and 1 table in appendices). Submitted to the Journal of The Royal Society Interface
J. R. Soc. Interface. 2120230652
10.1098/rsif.2023.0652
null
q-bio.SC
http://creativecommons.org/licenses/by/4.0/
Translation of proteins is a fundamental part of gene expression that is mediated by ribosomes. As ribosomes significantly contribute to both cellular mass and energy consumption, achieving efficient management of the ribosome population is also crucial to metabolism and growth. Inspired by biological evidence for nu...
[ { "created": "Thu, 11 Jan 2024 23:27:13 GMT", "version": "v1" } ]
2024-04-18
[ [ "Soubrier", "Clément", "" ], [ "Foxall", "Eric", "" ], [ "Ciandrini", "Luca", "" ], [ "Duc", "Khanh Dao", "" ] ]
Translation of proteins is a fundamental part of gene expression that is mediated by ribosomes. As ribosomes significantly contribute to both cellular mass and energy consumption, achieving efficient management of the ribosome population is also crucial to metabolism and growth. Inspired by biological evidence for nutr...
2311.17066
Ke Yuhe
Yuhe Ke, Matilda Swee Sun Tang, Celestine Jia Ling Loh, Hairil Rizal Abdullah, Nicholas Brian Shannon
Cluster trajectory of SOFA score in predicting mortality in sepsis
26 pages, 4 figures, 2 tables
null
null
null
q-bio.QM cs.AI
http://creativecommons.org/licenses/by-nc-nd/4.0/
Objective: Sepsis is a life-threatening condition. Sequential Organ Failure Assessment (SOFA) score is commonly used to assess organ dysfunction and predict ICU mortality, but it is taken as a static measurement and fails to capture dynamic changes. This study aims to investigate the relationship between dynamic chan...
[ { "created": "Thu, 23 Nov 2023 12:29:00 GMT", "version": "v1" } ]
2023-11-30
[ [ "Ke", "Yuhe", "" ], [ "Tang", "Matilda Swee Sun", "" ], [ "Loh", "Celestine Jia Ling", "" ], [ "Abdullah", "Hairil Rizal", "" ], [ "Shannon", "Nicholas Brian", "" ] ]
Objective: Sepsis is a life-threatening condition. Sequential Organ Failure Assessment (SOFA) score is commonly used to assess organ dysfunction and predict ICU mortality, but it is taken as a static measurement and fails to capture dynamic changes. This study aims to investigate the relationship between dynamic change...
1401.1755
Tobias Reichenbach
Alexander Dobrinevski, Mikko Alava, Tobias Reichenbach, Erwin Frey
Mobility-Dependent Selection of Competing Strategy Associations
9 pages, six figures; accepted in Physical Review E
Phys. Rev. E 89, 012721 (2014)
10.1103/PhysRevE.89.012721
null
q-bio.PE
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Standard models of population dynamics focus on the the interaction, survival, and extinction of the competing species individually. Real ecological systems, however, are characterized by an abundance of species (or strategies, in the terminology of evolutionary-game theory) that form intricate, complex interaction n...
[ { "created": "Wed, 8 Jan 2014 17:11:20 GMT", "version": "v1" } ]
2014-05-27
[ [ "Dobrinevski", "Alexander", "" ], [ "Alava", "Mikko", "" ], [ "Reichenbach", "Tobias", "" ], [ "Frey", "Erwin", "" ] ]
Standard models of population dynamics focus on the the interaction, survival, and extinction of the competing species individually. Real ecological systems, however, are characterized by an abundance of species (or strategies, in the terminology of evolutionary-game theory) that form intricate, complex interaction net...
2011.10126
Brandon Hayes
Brandon H Hayes, Mathieu Andraud, Luis G Salazar, Nicolas Rose, and Timothee Vergne
Mechanistic modeling of African swine fever: A systematic review
19 pages, 3 figures, 4 tables. Accepted to Preventive Veterinary Medicine. Revised from previous preprint to include models published through Dec 2020
null
10.1016/j.prevetmed.2021.105358
null
q-bio.PE
http://creativecommons.org/licenses/by/4.0/
The spread of African swine fever (ASF) poses a grave threat to the global swine industry. Understanding transmission dynamics, such as through mechanistic modeling, is critical for designing effective control strategies. Articles were examined across multiple epidemiological and model characteristics. Model filiatio...
[ { "created": "Thu, 19 Nov 2020 22:11:14 GMT", "version": "v1" }, { "created": "Thu, 29 Apr 2021 07:44:11 GMT", "version": "v2" } ]
2021-04-30
[ [ "Hayes", "Brandon H", "" ], [ "Andraud", "Mathieu", "" ], [ "Salazar", "Luis G", "" ], [ "Rose", "Nicolas", "" ], [ "Vergne", "Timothee", "" ] ]
The spread of African swine fever (ASF) poses a grave threat to the global swine industry. Understanding transmission dynamics, such as through mechanistic modeling, is critical for designing effective control strategies. Articles were examined across multiple epidemiological and model characteristics. Model filiation ...
1208.0029
Tobias Reichenbach
Tobias Reichenbach, Aleksandra Stefanovic, Fumiaki Nin, A. J. Hudspeth
Waves on Reissner's membrane: a mechanism for the propagation of otoacoustic emissions from the cochlea
30 pages, 6 figures, and Supplemental information
Cell Reports 1, 374-384 (2012)
10.1016/j.celrep.2012.02.013
null
q-bio.TO physics.bio-ph physics.comp-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Sound is detected and converted into electrical signals within the ear. The cochlea not only acts as a passive detector of sound, however, but can also produce tones itself. These otoacoustic emissions are a striking manifestation of the cochlea's mechanical active process. A controversy remains of how these mechanic...
[ { "created": "Tue, 31 Jul 2012 20:49:32 GMT", "version": "v1" } ]
2012-08-02
[ [ "Reichenbach", "Tobias", "" ], [ "Stefanovic", "Aleksandra", "" ], [ "Nin", "Fumiaki", "" ], [ "Hudspeth", "A. J.", "" ] ]
Sound is detected and converted into electrical signals within the ear. The cochlea not only acts as a passive detector of sound, however, but can also produce tones itself. These otoacoustic emissions are a striking manifestation of the cochlea's mechanical active process. A controversy remains of how these mechanical...
2003.01409
Niceto R. Luque
Francisco Naveros, Niceto R. Luque, Eduardo Ros, Angelo Arleo
VOR Adaptation on a Humanoid iCub Robot Using a Spiking Cerebellar Model
null
null
10.1109/TCYB.2019.2899246
null
q-bio.NC cs.NE cs.RO cs.SY eess.SY
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We embed a spiking cerebellar model within an adaptive real-time (RT) control loop that is able to operate a real robotic body (iCub) when performing different vestibulo-ocular reflex (VOR) tasks. The spiking neural network computation, including event- and time-driven neural dynamics, neural activity, and spike-timi...
[ { "created": "Tue, 3 Mar 2020 09:48:15 GMT", "version": "v1" }, { "created": "Tue, 31 Mar 2020 07:26:00 GMT", "version": "v2" } ]
2020-04-01
[ [ "Naveros", "Francisco", "" ], [ "Luque", "Niceto R.", "" ], [ "Ros", "Eduardo", "" ], [ "Arleo", "Angelo", "" ] ]
We embed a spiking cerebellar model within an adaptive real-time (RT) control loop that is able to operate a real robotic body (iCub) when performing different vestibulo-ocular reflex (VOR) tasks. The spiking neural network computation, including event- and time-driven neural dynamics, neural activity, and spike-timing...
1311.2665
Chen Jia
Chen Jia, Daquan Jiang, Minping Qian
An allosteric model of the inositol trisphosphate receptor with nonequilibrium binding
23 pages, 5 figures
Physical Biology, 11(5):056001, 2014
10.1088/1478-3975/11/5/056001
null
q-bio.BM
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The inositol trisphosphate receptor (IPR) is a crucial ion channel that regulates the Ca$^{2+}$ influx from the endoplasmic reticulum (ER) to the cytoplasm. A thorough study of the IPR channel contributes to a better understanding of calcium oscillations and waves. It has long been observed that the IPR channel is a ...
[ { "created": "Tue, 12 Nov 2013 03:23:05 GMT", "version": "v1" }, { "created": "Fri, 4 Jul 2014 15:21:35 GMT", "version": "v2" } ]
2014-08-28
[ [ "Jia", "Chen", "" ], [ "Jiang", "Daquan", "" ], [ "Qian", "Minping", "" ] ]
The inositol trisphosphate receptor (IPR) is a crucial ion channel that regulates the Ca$^{2+}$ influx from the endoplasmic reticulum (ER) to the cytoplasm. A thorough study of the IPR channel contributes to a better understanding of calcium oscillations and waves. It has long been observed that the IPR channel is a ty...
2102.12602
Guillermo Lorenzo
Guillermo Lorenzo, David A. Hormuth II, Angela M. Jarrett, Ernesto A. B. F. Lima, Shashank Subramanian, George Biros, J. Tinsley Oden, Thomas J. R. Hughes, and Thomas E. Yankeelov
Quantitative in vivo imaging to enable tumor forecasting and treatment optimization
null
null
null
null
q-bio.TO cs.CE q-bio.QM
http://creativecommons.org/licenses/by-nc-nd/4.0/
Current clinical decision-making in oncology relies on averages of large patient populations to both assess tumor status and treatment outcomes. However, cancers exhibit an inherent evolving heterogeneity that requires an individual approach based on rigorous and precise predictions of cancer growth and treatment res...
[ { "created": "Wed, 24 Feb 2021 23:32:48 GMT", "version": "v1" } ]
2021-02-26
[ [ "Lorenzo", "Guillermo", "" ], [ "Hormuth", "David A.", "II" ], [ "Jarrett", "Angela M.", "" ], [ "Lima", "Ernesto A. B. F.", "" ], [ "Subramanian", "Shashank", "" ], [ "Biros", "George", "" ], [ "Oden", "J. Tin...
Current clinical decision-making in oncology relies on averages of large patient populations to both assess tumor status and treatment outcomes. However, cancers exhibit an inherent evolving heterogeneity that requires an individual approach based on rigorous and precise predictions of cancer growth and treatment respo...
1802.00102
Laura Schaposnik
Laura P. Schaposnik, Anlin Zhang
Modeling epidemics on d-cliqued graphs
11 pages, 16 figures
Letters in Biomathematics, Vol. 5, Iss. 1, 2018
10.1080/23737867.2017.1419080
null
q-bio.PE cs.SI
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Since social interactions have been shown to lead to symmetric clusters, we propose here that symmetries play a key role in epidemic modeling. Mathematical models on d-ary tree graphs were recently shown to be particularly effective for modeling epidemics in simple networks [Seibold & Callender, 2016]. To account for...
[ { "created": "Wed, 31 Jan 2018 23:35:04 GMT", "version": "v1" } ]
2019-05-24
[ [ "Schaposnik", "Laura P.", "" ], [ "Zhang", "Anlin", "" ] ]
Since social interactions have been shown to lead to symmetric clusters, we propose here that symmetries play a key role in epidemic modeling. Mathematical models on d-ary tree graphs were recently shown to be particularly effective for modeling epidemics in simple networks [Seibold & Callender, 2016]. To account for s...
2109.01571
Karl Grieshop
Karl Grieshop, Eddie K.H. Ho, Katja R. Kasimatis
Dominance reversals: The resolution of genetic conflict and maintenance of genetic variation
Review paper with some original theory, 1 Figure, 1 table, 1 box, and Supporting Information (including 11 Figures and 2 tables)
Proceedings of the Royal Society B, 291(2018), p.20232816 (2024)
10.1098/rspb.2023.2816
null
q-bio.PE q-bio.QM
http://creativecommons.org/licenses/by/4.0/
Beneficial reversals of dominance reduce the costs of genetic trade-offs and can enable selection to maintain genetic variation for fitness. Beneficial dominance reversals are characterized by the beneficial allele for a given context (e.g. habitat, developmental stage, trait, or sex) being dominant in that context b...
[ { "created": "Fri, 3 Sep 2021 14:52:31 GMT", "version": "v1" }, { "created": "Sat, 15 Oct 2022 16:15:07 GMT", "version": "v2" }, { "created": "Wed, 13 Dec 2023 13:08:56 GMT", "version": "v3" }, { "created": "Fri, 26 Jan 2024 09:32:50 GMT", "version": "v4" } ]
2024-03-28
[ [ "Grieshop", "Karl", "" ], [ "Ho", "Eddie K. H.", "" ], [ "Kasimatis", "Katja R.", "" ] ]
Beneficial reversals of dominance reduce the costs of genetic trade-offs and can enable selection to maintain genetic variation for fitness. Beneficial dominance reversals are characterized by the beneficial allele for a given context (e.g. habitat, developmental stage, trait, or sex) being dominant in that context but...
2201.11748
Roberto Rojas-Cessa
Jorge Medina, Roberto Rojas-Cessa, and Vatcharapan Umpaichitra
Reducing COVID-19 Cases and Deaths by Applying Blockchain in Vaccination Rollout Management
Peer reviewed
in IEEE Open Journal of Engineering in Medicine and Biology, vol. 2, pp. 249-255, 2021
10.1109/OJEMB.2021.3093774
null
q-bio.QM cs.CY
http://creativecommons.org/licenses/by-nc-nd/4.0/
Because a fast vaccination rollout against coronavirus disease 2019 (COVID-19) is critical to restore daily life and avoid virus mutations, it is tempting to have a relaxed vaccination-administration management system. However, a robust management system can support the enforcement of preventive measures, and in turn...
[ { "created": "Thu, 27 Jan 2022 18:31:41 GMT", "version": "v1" }, { "created": "Wed, 16 Mar 2022 13:29:18 GMT", "version": "v2" } ]
2022-03-17
[ [ "Medina", "Jorge", "" ], [ "Rojas-Cessa", "Roberto", "" ], [ "Umpaichitra", "Vatcharapan", "" ] ]
Because a fast vaccination rollout against coronavirus disease 2019 (COVID-19) is critical to restore daily life and avoid virus mutations, it is tempting to have a relaxed vaccination-administration management system. However, a robust management system can support the enforcement of preventive measures, and in turn, ...
1907.04953
Da-Young Lee
Da-Young Lee, Dong-Yeop Na, Yong Seok Heo, and Guo-Liang Wang
Digital image quantification of rice sheath blight: Optimized segmentation and automatic classification
null
null
null
null
q-bio.QM
http://creativecommons.org/licenses/by-nc-nd/4.0/
Rapid and accurate phenotypic screening of rice germplasms is crucial in screening for sources of rice sheath blight resistance. However, visual and/or caliper-based estimations of coalescing, necrotic, ShB disease lesions are time-consuming, labor-intensive and exposed to human rater subjectivity. Here, we propose t...
[ { "created": "Wed, 10 Jul 2019 23:11:27 GMT", "version": "v1" }, { "created": "Tue, 13 Apr 2021 06:04:03 GMT", "version": "v2" } ]
2021-04-14
[ [ "Lee", "Da-Young", "" ], [ "Na", "Dong-Yeop", "" ], [ "Heo", "Yong Seok", "" ], [ "Wang", "Guo-Liang", "" ] ]
Rapid and accurate phenotypic screening of rice germplasms is crucial in screening for sources of rice sheath blight resistance. However, visual and/or caliper-based estimations of coalescing, necrotic, ShB disease lesions are time-consuming, labor-intensive and exposed to human rater subjectivity. Here, we propose the...
2006.09818
Nathaniel Barlow
Steven J. Weinstein, Morgan S. Holland, Kelly E. Rogers, Nathaniel S. Barlow
Analytic solution of the SEIR epidemic model via asymptotic approximant
original version had substantial text overlap with arXiv:2004.07833; this is now less so
null
10.1016/j.physd.2020.132633
null
q-bio.PE physics.soc-ph
http://creativecommons.org/licenses/by-sa/4.0/
An analytic solution is obtained to the SEIR Epidemic Model. The solution is created by constructing a single second-order nonlinear differential equation in $\ln S$ and analytically continuing its divergent power series solution such that it matches the correct long-time exponential damping of the epidemic model. Th...
[ { "created": "Fri, 12 Jun 2020 20:18:44 GMT", "version": "v1" }, { "created": "Tue, 30 Jun 2020 01:52:51 GMT", "version": "v2" } ]
2020-07-01
[ [ "Weinstein", "Steven J.", "" ], [ "Holland", "Morgan S.", "" ], [ "Rogers", "Kelly E.", "" ], [ "Barlow", "Nathaniel S.", "" ] ]
An analytic solution is obtained to the SEIR Epidemic Model. The solution is created by constructing a single second-order nonlinear differential equation in $\ln S$ and analytically continuing its divergent power series solution such that it matches the correct long-time exponential damping of the epidemic model. This...
1108.4642
Steven Kelk
Steven Kelk
A note on efficient computation of hybridization number via softwired clusters
null
null
null
null
q-bio.PE cs.DS
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Here we present a new fixed parameter tractable algorithm to compute the hybridization number r of two rooted binary phylogenetic trees on taxon set X in time (6r)^r.poly(n), where n=|X|. The novelty of this approach is that it avoids the use of Maximum Acyclic Agreement Forests (MAAFs) and instead exploits the equiv...
[ { "created": "Tue, 23 Aug 2011 15:54:02 GMT", "version": "v1" } ]
2011-08-24
[ [ "Kelk", "Steven", "" ] ]
Here we present a new fixed parameter tractable algorithm to compute the hybridization number r of two rooted binary phylogenetic trees on taxon set X in time (6r)^r.poly(n), where n=|X|. The novelty of this approach is that it avoids the use of Maximum Acyclic Agreement Forests (MAAFs) and instead exploits the equival...
2102.06490
Michael Grinfeld
Michael Grinfeld, Nigel Mottram and Jozsef Farkas
A General Model of Structured Cell Kinetics
8 pages, 1 figure
null
null
null
q-bio.CB nlin.PS
http://creativecommons.org/licenses/by/4.0/
We present a modelling framework for the dynamics of cells structured by the concentration of a micromolecule they contain. We derive general equations for the evolution of the cell population and of the extra-cellular concentration of the molecule and apply this approach to models of silicosis and quorum sensing in ...
[ { "created": "Fri, 12 Feb 2021 12:44:56 GMT", "version": "v1" } ]
2021-02-15
[ [ "Grinfeld", "Michael", "" ], [ "Mottram", "Nigel", "" ], [ "Farkas", "Jozsef", "" ] ]
We present a modelling framework for the dynamics of cells structured by the concentration of a micromolecule they contain. We derive general equations for the evolution of the cell population and of the extra-cellular concentration of the molecule and apply this approach to models of silicosis and quorum sensing in Gr...
1703.10677
Yang Chen
Yang Chen, Dong-Jie Zhao, Chao Song, Wei-He Liu, Zi-Yang Wang, Zhong-Yi Wang, Guiliang Tang, and Lan Huang
Detecting causality in Plant electrical signal by a hybrid causal analysis approach
12 figures
null
null
null
q-bio.NC q-bio.TO
http://creativecommons.org/licenses/by-nc-sa/4.0/
At present, multi-electrode array (MEA) approach and optical recording allow us to acquire plant electrical activity with higher spatio-temporal resolution. To understand the dynamic information flow of the electrical signaling system and estimate the effective connectivity, we proposed a solution to combine the two ...
[ { "created": "Wed, 22 Mar 2017 02:11:45 GMT", "version": "v1" } ]
2017-04-03
[ [ "Chen", "Yang", "" ], [ "Zhao", "Dong-Jie", "" ], [ "Song", "Chao", "" ], [ "Liu", "Wei-He", "" ], [ "Wang", "Zi-Yang", "" ], [ "Wang", "Zhong-Yi", "" ], [ "Tang", "Guiliang", "" ], [ "Huang", "...
At present, multi-electrode array (MEA) approach and optical recording allow us to acquire plant electrical activity with higher spatio-temporal resolution. To understand the dynamic information flow of the electrical signaling system and estimate the effective connectivity, we proposed a solution to combine the two ca...
0811.3464
Elfi Kraka
Sushilee Ranganathan, Dmitry Izotov, Elfi Kraka, and Dieter Cremer
Classification of Supersecondary Structures in Proteins Using the Automated Protein Structure Analysis Method
40 pages, 5 figures
null
null
null
q-bio.QM
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The Automated Protein Structure Analysis (APSA) method is used for the classification of supersecondary structures. Basis for the classification is the encoding of three-dimensional (3D) residue conformations into a 16-letter code (3D-1D projection). It is shown that the letter code of the protein makes it possible t...
[ { "created": "Fri, 21 Nov 2008 04:24:40 GMT", "version": "v1" }, { "created": "Mon, 24 Nov 2008 20:52:14 GMT", "version": "v2" } ]
2008-11-24
[ [ "Ranganathan", "Sushilee", "" ], [ "Izotov", "Dmitry", "" ], [ "Kraka", "Elfi", "" ], [ "Cremer", "Dieter", "" ] ]
The Automated Protein Structure Analysis (APSA) method is used for the classification of supersecondary structures. Basis for the classification is the encoding of three-dimensional (3D) residue conformations into a 16-letter code (3D-1D projection). It is shown that the letter code of the protein makes it possible to ...
1205.2358
Thomas R. Weikl
Thomas R. Weikl and David D. Boehr
Conformational selection and induced changes along the catalytic cycle of E. coli DHFR
14 pages, 8 figures, 2 tables
null
null
null
q-bio.BM
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Protein function often involves changes between different conformations. Central questions are how these conformational changes are coupled to the binding or catalytic processes during which they occur, and how they affect the catalytic rates of enzymes. An important model system is the enzyme dihydrofolate reductase...
[ { "created": "Thu, 10 May 2012 19:25:53 GMT", "version": "v1" } ]
2012-05-11
[ [ "Weikl", "Thomas R.", "" ], [ "Boehr", "David D.", "" ] ]
Protein function often involves changes between different conformations. Central questions are how these conformational changes are coupled to the binding or catalytic processes during which they occur, and how they affect the catalytic rates of enzymes. An important model system is the enzyme dihydrofolate reductase (...
2311.12080
Alaa Sadiq
Alaa M. Sadeq
Exploring the Relationship Between COVID-19 Induced Economic Downturn and Women's Nutritional Health Disparities
null
null
null
null
q-bio.OT
http://creativecommons.org/licenses/by/4.0/
This study explores how the COVID-19 pandemic's economic impact has exacerbated nutritional health disparities among women. It sought to understand the effects of economic challenges on women's dietary choices and access to nutritious food across different socioeconomic groups. Using a mixed-methods approach, the res...
[ { "created": "Mon, 20 Nov 2023 09:10:25 GMT", "version": "v1" } ]
2023-11-22
[ [ "Sadeq", "Alaa M.", "" ] ]
This study explores how the COVID-19 pandemic's economic impact has exacerbated nutritional health disparities among women. It sought to understand the effects of economic challenges on women's dietary choices and access to nutritious food across different socioeconomic groups. Using a mixed-methods approach, the resea...
1307.7872
Claudius Gros
Claudius Gros
Generating functionals for guided self-organization
To be published in "Guided Self-Organization: Inception", Springer Series on Emergence, Complexity and Computation, M. Prokopenko (ed), Proceedings of Fifth International Workshop on Guided Self-Organization, Sydney 2012
M. Prokopenko (ed.), Guided Self-Organization: Inception, 53-66, Springer (2014)
null
null
q-bio.NC nlin.AO
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Time evolution equations for dynamical systems can often be derived from generating functionals. Examples are Newton's equations of motion in classical dynamics which can be generated within the Lagrange or the Hamiltonian formalism. We propose that generating functionals for self-organizing complex systems offer sev...
[ { "created": "Tue, 30 Jul 2013 08:53:04 GMT", "version": "v1" } ]
2014-04-23
[ [ "Gros", "Claudius", "" ] ]
Time evolution equations for dynamical systems can often be derived from generating functionals. Examples are Newton's equations of motion in classical dynamics which can be generated within the Lagrange or the Hamiltonian formalism. We propose that generating functionals for self-organizing complex systems offer sever...
1211.2458
Paul H\'eroux
Su Dong, Paul Heroux
Survey of Extra-Low Frequency and Very-Low Frequency Magnetic Fields in Cell Culture Incubators
59 pages, 20 figures, 7 appendices
null
null
null
q-bio.QM physics.bio-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
A typical cell culture CO2 incubator was probed in detail to document the pattern of 60-Hz magnetic fields (MFs) inside the unit, as well as the ability of the incubator to attenuate environmental MFs. Subsequently, a survey of 46 cell culture incubators was performed. The survey measured MFs outside and inside the i...
[ { "created": "Sun, 11 Nov 2012 20:40:00 GMT", "version": "v1" } ]
2012-11-13
[ [ "Dong", "Su", "" ], [ "Heroux", "Paul", "" ] ]
A typical cell culture CO2 incubator was probed in detail to document the pattern of 60-Hz magnetic fields (MFs) inside the unit, as well as the ability of the incubator to attenuate environmental MFs. Subsequently, a survey of 46 cell culture incubators was performed. The survey measured MFs outside and inside the inc...
2406.15987
Francis Motta
Francis C. Motta, Kevin McGoff, Breschine Cummins, Steven B. Haase
Generalized Measures of Population Synchrony
null
null
null
null
q-bio.PE math.PR q-bio.QM
http://creativecommons.org/licenses/by/4.0/
Synchronized behavior among individuals is a ubiquitous feature of populations. Understanding mechanisms of (de)synchronization demands meaningful, interpretable, computable quantifications of synchrony, relevant to measurements that can be made of dynamic populations. Despite the importance to analyzing and modeling...
[ { "created": "Sun, 23 Jun 2024 02:46:43 GMT", "version": "v1" } ]
2024-06-25
[ [ "Motta", "Francis C.", "" ], [ "McGoff", "Kevin", "" ], [ "Cummins", "Breschine", "" ], [ "Haase", "Steven B.", "" ] ]
Synchronized behavior among individuals is a ubiquitous feature of populations. Understanding mechanisms of (de)synchronization demands meaningful, interpretable, computable quantifications of synchrony, relevant to measurements that can be made of dynamic populations. Despite the importance to analyzing and modeling p...
2106.10234
Yingce Xia
Jinhua Zhu, Yingce Xia, Tao Qin, Wengang Zhou, Houqiang Li, Tie-Yan Liu
Dual-view Molecule Pre-training
Add new results of retrosynthesis
null
null
null
q-bio.QM cs.LG
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Inspired by its success in natural language processing and computer vision, pre-training has attracted substantial attention in cheminformatics and bioinformatics, especially for molecule based tasks. A molecule can be represented by either a graph (where atoms are connected by bonds) or a SMILES sequence (where dept...
[ { "created": "Thu, 17 Jun 2021 03:58:38 GMT", "version": "v1" }, { "created": "Wed, 13 Oct 2021 03:09:28 GMT", "version": "v2" } ]
2021-10-14
[ [ "Zhu", "Jinhua", "" ], [ "Xia", "Yingce", "" ], [ "Qin", "Tao", "" ], [ "Zhou", "Wengang", "" ], [ "Li", "Houqiang", "" ], [ "Liu", "Tie-Yan", "" ] ]
Inspired by its success in natural language processing and computer vision, pre-training has attracted substantial attention in cheminformatics and bioinformatics, especially for molecule based tasks. A molecule can be represented by either a graph (where atoms are connected by bonds) or a SMILES sequence (where depth-...
2002.09062
Weiqi Ji
Weiqi Ji and Sili Deng
Autonomous Discovery of Unknown Reaction Pathways from Data by Chemical Reaction Neural Network
null
The Journal of Physical Chemistry A, 2021
10.1021/acs.jpca.0c09316
null
q-bio.MN cs.LG physics.chem-ph stat.ML
http://creativecommons.org/licenses/by-nc-nd/4.0/
Chemical reactions occur in energy, environmental, biological, and many other natural systems, and the inference of the reaction networks is essential to understand and design the chemical processes in engineering and life sciences. Yet, revealing the reaction pathways for complex systems and processes is still chall...
[ { "created": "Thu, 20 Feb 2020 23:36:46 GMT", "version": "v1" }, { "created": "Fri, 8 Jan 2021 22:18:36 GMT", "version": "v2" } ]
2021-01-22
[ [ "Ji", "Weiqi", "" ], [ "Deng", "Sili", "" ] ]
Chemical reactions occur in energy, environmental, biological, and many other natural systems, and the inference of the reaction networks is essential to understand and design the chemical processes in engineering and life sciences. Yet, revealing the reaction pathways for complex systems and processes is still challen...
1607.08552
Tobias K\"uhn
Tobias K\"uhn, Moritz Helias
Locking of correlated neural activity to ongoing oscillations
57 pages, 12 figures, published version
PLoS Comput Biol 13(6): e1005534 (2017)
10.1371/journal.pcbi.1005534
null
q-bio.NC cond-mat.dis-nn
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Population-wide oscillations are ubiquitously observed in mesoscopic signals of cortical activity. In these network states a global oscillatory cycle modulates the propensity of neurons to fire. Synchronous activation of neurons has been hypothesized to be a separate channel of signal processing information in the br...
[ { "created": "Thu, 28 Jul 2016 18:09:49 GMT", "version": "v1" }, { "created": "Fri, 21 Oct 2016 09:58:28 GMT", "version": "v2" }, { "created": "Mon, 3 Jul 2017 15:25:12 GMT", "version": "v3" } ]
2017-07-04
[ [ "Kühn", "Tobias", "" ], [ "Helias", "Moritz", "" ] ]
Population-wide oscillations are ubiquitously observed in mesoscopic signals of cortical activity. In these network states a global oscillatory cycle modulates the propensity of neurons to fire. Synchronous activation of neurons has been hypothesized to be a separate channel of signal processing information in the brai...
1811.08068
Xiaochen Liu
X. Liu, P. Sanz-Leon, P. A. Robinson
Gamma-Band Correlations in Primary Visual Cortex
23 pages; 12 figures
Phys. Rev. E 101, 042406 (2020)
10.1103/PhysRevE.101.042406
null
q-bio.NC physics.bio-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Neural field theory is used to quantitatively analyze the two-dimensional spatiotemporal correlation properties of gamma-band (30 -- 70 Hz) oscillations evoked by stimuli arriving at the primary visual cortex (V1), and modulated by patchy connectivities that depend on orientation preference (OP). Correlation function...
[ { "created": "Tue, 20 Nov 2018 04:28:28 GMT", "version": "v1" } ]
2021-03-19
[ [ "Liu", "X.", "" ], [ "Sanz-Leon", "P.", "" ], [ "Robinson", "P. A.", "" ] ]
Neural field theory is used to quantitatively analyze the two-dimensional spatiotemporal correlation properties of gamma-band (30 -- 70 Hz) oscillations evoked by stimuli arriving at the primary visual cortex (V1), and modulated by patchy connectivities that depend on orientation preference (OP). Correlation functions ...
2007.16018
Daniele Marinazzo
Sebastiano Stramaglia, Tomas Scagliarini, Bryan C. Daniels, and Daniele Marinazzo
Quantifying dynamical high-order interdependencies from the O-information: an application to neural spiking dynamics
null
null
null
null
q-bio.NC
http://creativecommons.org/licenses/by/4.0/
We address the problem of efficiently and informatively quantifying how multiplets of variables carry information about the future of the dynamical system they belong to. In particular we want to identify groups of variables carrying redundant or synergistic information, and track how the size and the composition of ...
[ { "created": "Fri, 31 Jul 2020 12:34:19 GMT", "version": "v1" } ]
2020-08-03
[ [ "Stramaglia", "Sebastiano", "" ], [ "Scagliarini", "Tomas", "" ], [ "Daniels", "Bryan C.", "" ], [ "Marinazzo", "Daniele", "" ] ]
We address the problem of efficiently and informatively quantifying how multiplets of variables carry information about the future of the dynamical system they belong to. In particular we want to identify groups of variables carrying redundant or synergistic information, and track how the size and the composition of th...
1706.03835
Christian Meisel
Christian Meisel, Kimberlyn Bailey, Peter Achermann and Dietmar Plenz
Decline of long-range temporal correlations in the human brain during sustained wakefulness
null
null
null
null
q-bio.NC
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Sleep is crucial for daytime functioning, cognitive performance and general well-being. These aspects of daily life are known to be impaired after extended wake, yet, the underlying neuronal correlates have been difficult to identify. Accumulating evidence suggests that normal functioning of the brain is characterize...
[ { "created": "Mon, 12 Jun 2017 20:15:43 GMT", "version": "v1" } ]
2017-06-14
[ [ "Meisel", "Christian", "" ], [ "Bailey", "Kimberlyn", "" ], [ "Achermann", "Peter", "" ], [ "Plenz", "Dietmar", "" ] ]
Sleep is crucial for daytime functioning, cognitive performance and general well-being. These aspects of daily life are known to be impaired after extended wake, yet, the underlying neuronal correlates have been difficult to identify. Accumulating evidence suggests that normal functioning of the brain is characterized ...
q-bio/0504025
Edwin Wang Dr.
Edwin Wang and Enrico Purisima
Self-organization of gene regulatory network motifs enriched with short transcript's half-life transcription factors
Trends Genet (in press), main text 1, supplementary notes 1, 40 pages, 7 tables, 4 figs, minor modifications
Trends Genet, 21:492-495, 2005
10.1016/j.tig.2005.06.013
null
q-bio.MN
null
Network motifs, the recurring regulatory structural patterns in networks, are able to self-organize to produce networks. Three major motifs, feedforward loop, single input modules and bi-fan are found in gene regulatory networks. The large ratio of genes to transcription factors (TFs) in genomes leads to a sharing of...
[ { "created": "Mon, 18 Apr 2005 23:20:19 GMT", "version": "v1" }, { "created": "Mon, 25 Apr 2005 22:36:25 GMT", "version": "v2" } ]
2007-05-23
[ [ "Wang", "Edwin", "" ], [ "Purisima", "Enrico", "" ] ]
Network motifs, the recurring regulatory structural patterns in networks, are able to self-organize to produce networks. Three major motifs, feedforward loop, single input modules and bi-fan are found in gene regulatory networks. The large ratio of genes to transcription factors (TFs) in genomes leads to a sharing of T...
q-bio/0701031
Miroslaw Dudek
Miroslaw R. Dudek
Lotka-Volterra population model of genetic evolution
10 pages, 6 figures
null
null
null
q-bio.PE q-bio.OT
null
A deterministic model of an age-structured population with genetics analogous to the discrete time Penna model of genetic evolution is constructed on the basis of the Lotka-Volterra scheme. It is shown that if, as in the Penna model, genetic information is represented by the fraction of defective genes in the populat...
[ { "created": "Sat, 20 Jan 2007 15:54:21 GMT", "version": "v1" }, { "created": "Sun, 28 Jan 2007 08:18:45 GMT", "version": "v2" } ]
2007-05-23
[ [ "Dudek", "Miroslaw R.", "" ] ]
A deterministic model of an age-structured population with genetics analogous to the discrete time Penna model of genetic evolution is constructed on the basis of the Lotka-Volterra scheme. It is shown that if, as in the Penna model, genetic information is represented by the fraction of defective genes in the populatio...
1911.04585
Ralf Engbert
Johan Chandra, Andre Kruegel, Ralf Engbert
Modulation of oculomotor control during reading of mirrored and inverted texts
null
null
null
null
q-bio.NC
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The interplay between cognitive and oculomotor processes during reading can be explored when the spatial layout of text deviates from the typical display. In this study, we investigate various eye-movement measures during reading of text with experimentally manipulated layout (word-wise and letter-wise mirrored-rever...
[ { "created": "Mon, 11 Nov 2019 22:21:22 GMT", "version": "v1" } ]
2019-11-13
[ [ "Chandra", "Johan", "" ], [ "Kruegel", "Andre", "" ], [ "Engbert", "Ralf", "" ] ]
The interplay between cognitive and oculomotor processes during reading can be explored when the spatial layout of text deviates from the typical display. In this study, we investigate various eye-movement measures during reading of text with experimentally manipulated layout (word-wise and letter-wise mirrored-reverse...
2102.00316
Michael Wilkinson
Michael Wilkinson, David Yllanes and Greg Huber
Polysomally Protected Viruses
14 pages, 4 figures, Physical Biology, in press
Phys. Biol. 18 046009 (2021)
10.1088/1478-3975/abf5b5
null
q-bio.SC q-bio.GN
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
It is conceivable that an RNA virus could use a polysome, that is, a string of ribosomes covering the RNA strand, to protect the genetic material from degradation inside a host cell. This paper discusses how such a virus might operate, and how its presence might be detected by ribosome profiling. There are two possib...
[ { "created": "Sat, 30 Jan 2021 21:34:11 GMT", "version": "v1" }, { "created": "Thu, 8 Apr 2021 21:50:34 GMT", "version": "v2" } ]
2021-06-24
[ [ "Wilkinson", "Michael", "" ], [ "Yllanes", "David", "" ], [ "Huber", "Greg", "" ] ]
It is conceivable that an RNA virus could use a polysome, that is, a string of ribosomes covering the RNA strand, to protect the genetic material from degradation inside a host cell. This paper discusses how such a virus might operate, and how its presence might be detected by ribosome profiling. There are two possible...
2104.04161
Simone Pigolotti
Anzhelika Koldaeva, Hsieh-Fu Tsai, Amy Q. Shen, and Simone Pigolotti
Population genetics in microchannels
20 pages, 9 figures, combined main text + SI
Proc. Natl. Acad. Sci. 119(12), e2120821119 (2022)
10.1073/pnas.2120821119
null
q-bio.PE cond-mat.soft
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Spatial constraints such as rigid barriers affect the dynamics of cell populations, potentially altering the course of natural evolution. In this paper, we investigate the population genetics of Escherichia coli proliferating in microchannels with open ends. Our analysis is based on a population model in which reprod...
[ { "created": "Fri, 9 Apr 2021 02:33:01 GMT", "version": "v1" }, { "created": "Tue, 28 Sep 2021 06:11:01 GMT", "version": "v2" }, { "created": "Fri, 25 Mar 2022 08:02:11 GMT", "version": "v3" } ]
2022-03-28
[ [ "Koldaeva", "Anzhelika", "" ], [ "Tsai", "Hsieh-Fu", "" ], [ "Shen", "Amy Q.", "" ], [ "Pigolotti", "Simone", "" ] ]
Spatial constraints such as rigid barriers affect the dynamics of cell populations, potentially altering the course of natural evolution. In this paper, we investigate the population genetics of Escherichia coli proliferating in microchannels with open ends. Our analysis is based on a population model in which reproduc...
2002.02642
Narendra Dixit
Rajat Desikan, Rustom Antia, Narendra M. Dixit
The weakest link bridging germinal center B cells and follicular dendritic cells limits antibody affinity maturation
null
BioEssays, 2021
10.1002/bies.202000159
null
q-bio.PE q-bio.BM q-bio.CB
http://creativecommons.org/licenses/by-nc-sa/4.0/
The affinity of antibodies (Abs) produced in vivo for their target antigens (Ags) is typically well below the maximum affinity possible. Nearly 25 years ago, Foote and Eisen explained how an 'affinity ceiling' could arise from constraints associated with the acquisition of soluble antigen by B cells. However, recent ...
[ { "created": "Fri, 7 Feb 2020 06:47:25 GMT", "version": "v1" } ]
2021-02-16
[ [ "Desikan", "Rajat", "" ], [ "Antia", "Rustom", "" ], [ "Dixit", "Narendra M.", "" ] ]
The affinity of antibodies (Abs) produced in vivo for their target antigens (Ags) is typically well below the maximum affinity possible. Nearly 25 years ago, Foote and Eisen explained how an 'affinity ceiling' could arise from constraints associated with the acquisition of soluble antigen by B cells. However, recent st...
1605.01219
Michele Caselle
Antonio Rosanova, Alberto Colliva, Matteo Osella, Michele Caselle
Modelling the evolution of transcription factor binding preferences in complex eukaryotes
14 pages, 5 figures. Minor changes. Final version, accepted for publication
Sci Rep. 2017 Aug 8;7(1):7596
10.1038/s41598-017-07761-0.
null
q-bio.GN q-bio.MN q-bio.PE
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Transcription factors (TFs) exert their regulatory action by binding to DNA with specific sequence preferences. However, different TFs can partially share their binding sequences due to their common evolutionary origin. This `redundancy' of binding defines a way of organizing TFs in `motif families' by grouping TFs w...
[ { "created": "Wed, 4 May 2016 10:52:25 GMT", "version": "v1" }, { "created": "Tue, 4 Dec 2018 16:05:21 GMT", "version": "v2" } ]
2018-12-05
[ [ "Rosanova", "Antonio", "" ], [ "Colliva", "Alberto", "" ], [ "Osella", "Matteo", "" ], [ "Caselle", "Michele", "" ] ]
Transcription factors (TFs) exert their regulatory action by binding to DNA with specific sequence preferences. However, different TFs can partially share their binding sequences due to their common evolutionary origin. This `redundancy' of binding defines a way of organizing TFs in `motif families' by grouping TFs wit...
0901.1598
Frederick Matsen IV
Frederick A. Matsen
constNJ: an algorithm to reconstruct sets of phylogenetic trees satisfying pairwise topological constraints
Please contact me with any questions or comments!
null
null
null
q-bio.PE
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
This paper introduces constNJ, the first algorithm for phylogenetic reconstruction of sets of trees with constrained pairwise rooted subtree-prune regraft (rSPR) distance. We are motivated by the problem of constructing sets of trees which must fit into a recombination, hybridization, or similar network. Rather than ...
[ { "created": "Mon, 12 Jan 2009 15:46:13 GMT", "version": "v1" }, { "created": "Tue, 20 Jan 2009 19:41:29 GMT", "version": "v2" } ]
2009-09-30
[ [ "Matsen", "Frederick A.", "" ] ]
This paper introduces constNJ, the first algorithm for phylogenetic reconstruction of sets of trees with constrained pairwise rooted subtree-prune regraft (rSPR) distance. We are motivated by the problem of constructing sets of trees which must fit into a recombination, hybridization, or similar network. Rather than fi...
1812.02467
Jessie Renton
Jessie Renton and Karen M. Page
Evolution of cooperation on an epithelium
19 pages, 8 figures
null
null
null
q-bio.PE
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Cooperation is prevalent in nature, not only in the context of social interactions within the animal kingdom, but also on the cellular level. In cancer for example, tumour cells can cooperate by producing growth factors. The evolution of cooperation has traditionally been studied for well-mixed populations under the ...
[ { "created": "Thu, 6 Dec 2018 11:22:28 GMT", "version": "v1" } ]
2018-12-07
[ [ "Renton", "Jessie", "" ], [ "Page", "Karen M.", "" ] ]
Cooperation is prevalent in nature, not only in the context of social interactions within the animal kingdom, but also on the cellular level. In cancer for example, tumour cells can cooperate by producing growth factors. The evolution of cooperation has traditionally been studied for well-mixed populations under the fr...
2005.11454
Aydogan Ozcan
Calvin Brown, Derek Tseng, Paige M. K. Larkin, Susan Realegeno, Leanne Mortimer, Arjun Subramonian, Dino Di Carlo, Omai B. Garner, Aydogan Ozcan
An Automated, Cost-Effective Optical System for Accelerated Anti-microbial Susceptibility Testing (AST) using Deep Learning
13 Pages, 6 Figures, 1 Table
ACS Photonics (2020)
10.1021/acsphotonics.0c00841
null
q-bio.QM physics.app-ph physics.ins-det physics.med-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Antimicrobial susceptibility testing (AST) is a standard clinical procedure used to quantify antimicrobial resistance (AMR). Currently, the gold standard method requires incubation for 18-24 h and subsequent inspection for growth by a trained medical technologist. We demonstrate an automated, cost-effective optical s...
[ { "created": "Sat, 23 May 2020 02:38:26 GMT", "version": "v1" } ]
2020-07-17
[ [ "Brown", "Calvin", "" ], [ "Tseng", "Derek", "" ], [ "Larkin", "Paige M. K.", "" ], [ "Realegeno", "Susan", "" ], [ "Mortimer", "Leanne", "" ], [ "Subramonian", "Arjun", "" ], [ "Di Carlo", "Dino", "" ], ...
Antimicrobial susceptibility testing (AST) is a standard clinical procedure used to quantify antimicrobial resistance (AMR). Currently, the gold standard method requires incubation for 18-24 h and subsequent inspection for growth by a trained medical technologist. We demonstrate an automated, cost-effective optical sys...
1007.5022
Tsvi Tlusty
Ilan Breskin, Jordi Soriano, Elisha Moses, and Tsvi Tlusty
Percolation in living neural networks
PACS numbers: 87.18.Sn, 87.19.La, 64.60.Ak http://www.weizmann.ac.il/complex/tlusty/papers/PhysRevLett2006.pdf
Breskin I Soriano J Moses E & Tlusty T Percolation in Living Neural Networks Phys Rev Lett 97 188102-4 (2006)
10.1103/PhysRevLett.97.188102
null
q-bio.NC cond-mat.dis-nn physics.bio-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We study living neural networks by measuring the neurons' response to a global electrical stimulation. Neural connectivity is lowered by reducing the synaptic strength, chemically blocking neurotransmitter receptors. We use a graph-theoretic approach to show that the connectivity undergoes a percolation transition. T...
[ { "created": "Wed, 28 Jul 2010 16:12:39 GMT", "version": "v1" } ]
2010-07-30
[ [ "Breskin", "Ilan", "" ], [ "Soriano", "Jordi", "" ], [ "Moses", "Elisha", "" ], [ "Tlusty", "Tsvi", "" ] ]
We study living neural networks by measuring the neurons' response to a global electrical stimulation. Neural connectivity is lowered by reducing the synaptic strength, chemically blocking neurotransmitter receptors. We use a graph-theoretic approach to show that the connectivity undergoes a percolation transition. Thi...
1910.05881
Taiping Zeng
Taiping Zeng, XiaoLi Li, and Bailu Si
Bayesian Integration of Multi-resolutional Grid Codes for Spatial Cognition
arXiv admin note: text overlap with arXiv:1910.04590
null
null
null
q-bio.NC
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Fourier-like summation of several grid cell modules with different spatial frequencies in the medial entorhinal cortex (MEC) has long been proposed to form the contours of place firing fields. Recent experiments largely, but not completely, support this theory. Place fields are obviously expanded by inactivation of d...
[ { "created": "Mon, 14 Oct 2019 01:43:11 GMT", "version": "v1" } ]
2019-10-15
[ [ "Zeng", "Taiping", "" ], [ "Li", "XiaoLi", "" ], [ "Si", "Bailu", "" ] ]
Fourier-like summation of several grid cell modules with different spatial frequencies in the medial entorhinal cortex (MEC) has long been proposed to form the contours of place firing fields. Recent experiments largely, but not completely, support this theory. Place fields are obviously expanded by inactivation of dor...
1405.1610
Nico Riedel
Nico Riedel, Bhavin S. Khatri, Michael L\"assig, Johannes Berg
Multiple-line inference of selection on quantitative traits
21 pages, 11 figures; to appear in Genetics
Genetics 201 (1), 305-322 (2015)
10.1534/genetics.115.178988
null
q-bio.PE
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Trait differences between species may be attributable to natural selection. However, quantifying the strength of evidence for selection acting on a particular trait is a difficult task. Here we develop a population-genetic test for selection acting on a quantitative trait which is based on multiple-line crosses. We s...
[ { "created": "Wed, 7 May 2014 14:10:29 GMT", "version": "v1" }, { "created": "Mon, 6 Jul 2015 09:28:36 GMT", "version": "v2" } ]
2017-08-09
[ [ "Riedel", "Nico", "" ], [ "Khatri", "Bhavin S.", "" ], [ "Lässig", "Michael", "" ], [ "Berg", "Johannes", "" ] ]
Trait differences between species may be attributable to natural selection. However, quantifying the strength of evidence for selection acting on a particular trait is a difficult task. Here we develop a population-genetic test for selection acting on a quantitative trait which is based on multiple-line crosses. We sho...
1810.12016
Mattia Bramini
Mattia Bramini, Silvio Sacchetti, Andrea Armirotti, Anna Rocchi, Ester V\'azquez, Ver\'onica Le\'on Castellanos, Tiziano Bandiera, Fabrizia Cesca and Fabio Benfenati
Graphene oxide nanosheets disrupt lipid composition, Ca2+ homeostasis and synaptic transmission in primary cortical neurons
This document is the unedited Author's version of a Submitted Work that was subsequently accepted for publication in ACS Nano. To access the final edited and published work see https://pubs.acs.org/articlesonrequest/AOR-MGXEfuAxY43fnrHfBEuQ
ACS Nano 2016, 10, 7, 7154-7171
10.1021/acsnano.6b03438
null
q-bio.NC physics.bio-ph
http://creativecommons.org/licenses/by-nc-sa/4.0/
Graphene has the potential to make a very significant impact on society, with important applications in the biomedical field. The possibility to engineer graphene-based medical devices at the neuronal interface is of particular interest, making it imperative to determine the biocompatibility of graphene materials wit...
[ { "created": "Mon, 29 Oct 2018 09:23:01 GMT", "version": "v1" } ]
2018-10-30
[ [ "Bramini", "Mattia", "" ], [ "Sacchetti", "Silvio", "" ], [ "Armirotti", "Andrea", "" ], [ "Rocchi", "Anna", "" ], [ "Vázquez", "Ester", "" ], [ "Castellanos", "Verónica León", "" ], [ "Bandiera", "Tiziano", ...
Graphene has the potential to make a very significant impact on society, with important applications in the biomedical field. The possibility to engineer graphene-based medical devices at the neuronal interface is of particular interest, making it imperative to determine the biocompatibility of graphene materials with ...
2111.04326
Felix Kramer
Felix Kramer, Carl D. Modes
On biological flow networks: Antagonism between hydrodynamic and metabolic stimuli as driver of topological transitions
null
null
null
null
q-bio.TO nlin.AO physics.bio-ph
http://creativecommons.org/licenses/by-nc-sa/4.0/
A plethora of computational models have been developed in recent decades to account for the morphogenesis of complex biological fluid networks, such as capillary beds. Contemporary adaptation models are based on optimization schemes where networks react and adapt toward given flow patterns. Doing so, a system reduces...
[ { "created": "Mon, 8 Nov 2021 08:37:35 GMT", "version": "v1" }, { "created": "Tue, 9 Nov 2021 10:25:33 GMT", "version": "v2" }, { "created": "Mon, 15 Nov 2021 18:36:53 GMT", "version": "v3" } ]
2021-11-16
[ [ "Kramer", "Felix", "" ], [ "Modes", "Carl D.", "" ] ]
A plethora of computational models have been developed in recent decades to account for the morphogenesis of complex biological fluid networks, such as capillary beds. Contemporary adaptation models are based on optimization schemes where networks react and adapt toward given flow patterns. Doing so, a system reduces d...
2404.04300
Michael Plank
Caleb Sullivan, Pubudu Senanayake, Michael J. Plank
Quantifying age-specific household contacts in Aotearoa New Zealand for infectious disease modelling
null
null
null
null
q-bio.PE physics.soc-ph
http://creativecommons.org/licenses/by-nc-nd/4.0/
Accounting for population age structure and age-specific contact patterns is crucial for accurate modelling of human infectious disease dynamics and impact. A common approach is to use synthetic contact matrices, which estimate the number of contacts between individuals of different ages in specific settings. These c...
[ { "created": "Thu, 4 Apr 2024 21:25:53 GMT", "version": "v1" } ]
2024-04-09
[ [ "Sullivan", "Caleb", "" ], [ "Senanayake", "Pubudu", "" ], [ "Plank", "Michael J.", "" ] ]
Accounting for population age structure and age-specific contact patterns is crucial for accurate modelling of human infectious disease dynamics and impact. A common approach is to use synthetic contact matrices, which estimate the number of contacts between individuals of different ages in specific settings. These con...
1110.2519
Michele Bellingeri
Michele Bellingeri
Threshold Extinction in Food Webs
null
null
null
null
q-bio.PE
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Understanding how an extinction event affects ecosystem is fundamental to biodiversity conservation. For this reason, food web response to species loss has been investigated in several ways in the last years. Several studies focused on secondary extinction due to biodiversity loss in a bottom-up perspective using in-...
[ { "created": "Tue, 11 Oct 2011 22:14:05 GMT", "version": "v1" }, { "created": "Fri, 4 Nov 2011 13:53:51 GMT", "version": "v2" } ]
2011-11-07
[ [ "Bellingeri", "Michele", "" ] ]
Understanding how an extinction event affects ecosystem is fundamental to biodiversity conservation. For this reason, food web response to species loss has been investigated in several ways in the last years. Several studies focused on secondary extinction due to biodiversity loss in a bottom-up perspective using in-si...
0709.4200
Philip M. Kim
Philip M. Kim, Jan O. Korbel, Xueying Chen, Mark B. Gerstein
Copy Number Variants and Segmental Duplications Show Different Formation Signatures
13 pages
null
null
null
q-bio.GN q-bio.QM
null
In addition to variation in terms of single nucleotide polymorphisms (SNPs), whole regions ranging from several kilobases up to a megabase in length differ in copy number among individuals. These differences are referred to as Copy Number Variants (CNVs) and extensive mapping of these is underway. Recent studies have...
[ { "created": "Wed, 26 Sep 2007 15:53:40 GMT", "version": "v1" } ]
2007-09-27
[ [ "Kim", "Philip M.", "" ], [ "Korbel", "Jan O.", "" ], [ "Chen", "Xueying", "" ], [ "Gerstein", "Mark B.", "" ] ]
In addition to variation in terms of single nucleotide polymorphisms (SNPs), whole regions ranging from several kilobases up to a megabase in length differ in copy number among individuals. These differences are referred to as Copy Number Variants (CNVs) and extensive mapping of these is underway. Recent studies have h...
2401.00562
Tim Sziburis
Tim Sziburis, Susanne Blex, Tobias Glasmachers, Ioannis Iossifidis
Ruhr Hand Motion Catalog of Human Center-Out Transport Trajectories in 3D Task-Space Captured by a Redundant Measurement System
null
null
null
null
q-bio.QM eess.SP
http://creativecommons.org/licenses/by-nc-sa/4.0/
Neurological conditions are a major source of movement disorders. Motion modelling and variability analysis have the potential to identify pathology but require profound data. We introduce a systematic dataset of 3D center-out task-space trajectories of human hand transport movements in a natural setting. The transpo...
[ { "created": "Sun, 31 Dec 2023 18:39:42 GMT", "version": "v1" } ]
2024-01-02
[ [ "Sziburis", "Tim", "" ], [ "Blex", "Susanne", "" ], [ "Glasmachers", "Tobias", "" ], [ "Iossifidis", "Ioannis", "" ] ]
Neurological conditions are a major source of movement disorders. Motion modelling and variability analysis have the potential to identify pathology but require profound data. We introduce a systematic dataset of 3D center-out task-space trajectories of human hand transport movements in a natural setting. The transport...
2104.02604
Mar\'ia Virginia Sabando Miss
Mar\'ia Virginia Sabando, Ignacio Ponzoni, Evangelos E. Milios, Axel J. Soto
Using Molecular Embeddings in QSAR Modeling: Does it Make a Difference?
null
Briefings in Bioinformatics, Volume 23, Issue 1, January 2022, bbab365
10.1093/bib/bbab365
null
q-bio.BM cs.LG q-bio.QM
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
With the consolidation of deep learning in drug discovery, several novel algorithms for learning molecular representations have been proposed. Despite the interest of the community in developing new methods for learning molecular embeddings and their theoretical benefits, comparing molecular embeddings with each othe...
[ { "created": "Sat, 20 Mar 2021 21:45:22 GMT", "version": "v1" }, { "created": "Wed, 28 Jul 2021 15:30:22 GMT", "version": "v2" } ]
2022-05-09
[ [ "Sabando", "María Virginia", "" ], [ "Ponzoni", "Ignacio", "" ], [ "Milios", "Evangelos E.", "" ], [ "Soto", "Axel J.", "" ] ]
With the consolidation of deep learning in drug discovery, several novel algorithms for learning molecular representations have been proposed. Despite the interest of the community in developing new methods for learning molecular embeddings and their theoretical benefits, comparing molecular embeddings with each other ...
1911.01174
Alexander L\"uck
Alexander L\"uck, Verena Wolf
Generalized Method of Moments Estimation for Stochastic Models of DNA Methylation Patterns
12 pages, 3 figures, 1 table
null
null
null
q-bio.GN
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
With recent advances in sequencing technologies, large amounts of epigenomic data have become available and computational methods are contributing significantly to the progress of epigenetic research. As an orthogonal approach to methods based on machine learning, mechanistic modeling aims at a description of the mec...
[ { "created": "Mon, 4 Nov 2019 13:01:24 GMT", "version": "v1" } ]
2019-11-05
[ [ "Lück", "Alexander", "" ], [ "Wolf", "Verena", "" ] ]
With recent advances in sequencing technologies, large amounts of epigenomic data have become available and computational methods are contributing significantly to the progress of epigenetic research. As an orthogonal approach to methods based on machine learning, mechanistic modeling aims at a description of the mecha...
2405.07123
Jordan Rozum
Austin M. Marcus, Jordan Rozum, Herbert Sizek, and Luis M. Rocha
CANA v1.0.0 and schematodes: efficient quantification of symmetry in Boolean automata
5 pages 1 figure (two images in figure)
null
null
null
q-bio.MN q-bio.QM
http://creativecommons.org/licenses/by/4.0/
The biomolecular networks underpinning cell function exhibit canalization, or the buffering of fluctuations required to function in a noisy environment. One understudied putative mechanism for canalization is the functional equivalence of a biomolecular entity's regulators (e.g., among the transcription factors for a...
[ { "created": "Sun, 12 May 2024 01:14:00 GMT", "version": "v1" } ]
2024-05-14
[ [ "Marcus", "Austin M.", "" ], [ "Rozum", "Jordan", "" ], [ "Sizek", "Herbert", "" ], [ "Rocha", "Luis M.", "" ] ]
The biomolecular networks underpinning cell function exhibit canalization, or the buffering of fluctuations required to function in a noisy environment. One understudied putative mechanism for canalization is the functional equivalence of a biomolecular entity's regulators (e.g., among the transcription factors for a g...
2106.13202
Ju An Park
Ju An Park, Vikram Voleti, Kathryn E. Thomas, Alexander Wong and Jason L. Deglint
SALT: Sea lice Adaptive Lattice Tracking -- An Unsupervised Approach to Generate an Improved Ocean Model
5 pages, 3 figures, 3 tables
null
null
null
q-bio.QM cs.LG
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Warming oceans due to climate change are leading to increased numbers of ectoparasitic copepods, also known as sea lice, which can cause significant ecological loss to wild salmon populations and major economic loss to aquaculture sites. The main transport mechanism driving the spread of sea lice populations are near...
[ { "created": "Thu, 24 Jun 2021 17:29:42 GMT", "version": "v1" } ]
2021-06-25
[ [ "Park", "Ju An", "" ], [ "Voleti", "Vikram", "" ], [ "Thomas", "Kathryn E.", "" ], [ "Wong", "Alexander", "" ], [ "Deglint", "Jason L.", "" ] ]
Warming oceans due to climate change are leading to increased numbers of ectoparasitic copepods, also known as sea lice, which can cause significant ecological loss to wild salmon populations and major economic loss to aquaculture sites. The main transport mechanism driving the spread of sea lice populations are near-s...
1503.07116
Bartlomiej Waclaw Dr
Bartlomiej Waclaw, Ivana Bozic, Meredith E. Pittman, Ralph H. Hruban, Bert Vogelstein, Martin A. Nowak
Spatial model predicts dispersal and cell turnover cause reduced intra-tumor heterogeneity
37 pages, 14 figures
null
10.1038/nature14971
null
q-bio.PE q-bio.TO
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Most cancers in humans are large, measuring centimeters in diameter, composed of many billions of cells. An equivalent mass of normal cells would be highly heterogeneous as a result of the mutations that occur during each cell division. What is remarkable about cancers is their homogeneity - virtually every neoplasti...
[ { "created": "Tue, 24 Mar 2015 17:22:54 GMT", "version": "v1" } ]
2016-02-17
[ [ "Waclaw", "Bartlomiej", "" ], [ "Bozic", "Ivana", "" ], [ "Pittman", "Meredith E.", "" ], [ "Hruban", "Ralph H.", "" ], [ "Vogelstein", "Bert", "" ], [ "Nowak", "Martin A.", "" ] ]
Most cancers in humans are large, measuring centimeters in diameter, composed of many billions of cells. An equivalent mass of normal cells would be highly heterogeneous as a result of the mutations that occur during each cell division. What is remarkable about cancers is their homogeneity - virtually every neoplastic ...
1301.1590
Hamidreza Chitsaz
Hamidreza Chitsaz and Elmirasadat Forouzmand and Gholamreza Haffari
An Efficient Algorithm for Upper Bound on the Partition Function of Nucleic Acids
null
null
null
null
q-bio.BM cs.LG
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
It has been shown that minimum free energy structure for RNAs and RNA-RNA interaction is often incorrect due to inaccuracies in the energy parameters and inherent limitations of the energy model. In contrast, ensemble based quantities such as melting temperature and equilibrium concentrations can be more reliably pre...
[ { "created": "Tue, 8 Jan 2013 16:58:28 GMT", "version": "v1" } ]
2013-01-09
[ [ "Chitsaz", "Hamidreza", "" ], [ "Forouzmand", "Elmirasadat", "" ], [ "Haffari", "Gholamreza", "" ] ]
It has been shown that minimum free energy structure for RNAs and RNA-RNA interaction is often incorrect due to inaccuracies in the energy parameters and inherent limitations of the energy model. In contrast, ensemble based quantities such as melting temperature and equilibrium concentrations can be more reliably predi...
1807.07566
Yu-Cheng Chen
Yu-Cheng Chen, Qiushu Chen, Xiaotain Tan, Grace Chen, Ingrid Bergin, Muhammad Nadeem Aslam, and Xudong Fan
Chromatin Laser Imaging Reveals Abnormal Nuclear Changes for Early Cancer Detection
null
null
null
null
q-bio.TO physics.bio-ph physics.optics q-bio.QM
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We developed and applied rapid scanning laser-emission microscopy to detect abnormal changes in cell nuclei for early diagnosis of cancer and cancer precursors. Regulation of chromatins is essential for genetic development and normal cell functions, while abnormal nuclear changes may lead to many diseases, in particu...
[ { "created": "Thu, 19 Jul 2018 11:08:10 GMT", "version": "v1" } ]
2018-07-23
[ [ "Chen", "Yu-Cheng", "" ], [ "Chen", "Qiushu", "" ], [ "Tan", "Xiaotain", "" ], [ "Chen", "Grace", "" ], [ "Bergin", "Ingrid", "" ], [ "Aslam", "Muhammad Nadeem", "" ], [ "Fan", "Xudong", "" ] ]
We developed and applied rapid scanning laser-emission microscopy to detect abnormal changes in cell nuclei for early diagnosis of cancer and cancer precursors. Regulation of chromatins is essential for genetic development and normal cell functions, while abnormal nuclear changes may lead to many diseases, in particula...
1902.08555
Jes\'us Fern\'andez-S\'anchez
Marta Casanellas, Jes\'us Fern\'andez-S\'anchez, Jordi Roca-Lacostena
Embeddability and rate identifiability of Kimura 2-parameter matrices
20 pages; 10 figures
null
null
null
q-bio.PE
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Deciding whether a Markov matrix is embeddable (i.e. can be written as the exponential of a rate matrix) is an open problem even for $4\times 4$ matrices. We study the embedding problem and rate identifiability for the K80 model of nucleotide substitution. For these $4\times 4$ matrices, we fully characterize the set...
[ { "created": "Fri, 22 Feb 2019 16:43:07 GMT", "version": "v1" }, { "created": "Wed, 27 Nov 2019 09:53:46 GMT", "version": "v2" } ]
2019-11-28
[ [ "Casanellas", "Marta", "" ], [ "Fernández-Sánchez", "Jesús", "" ], [ "Roca-Lacostena", "Jordi", "" ] ]
Deciding whether a Markov matrix is embeddable (i.e. can be written as the exponential of a rate matrix) is an open problem even for $4\times 4$ matrices. We study the embedding problem and rate identifiability for the K80 model of nucleotide substitution. For these $4\times 4$ matrices, we fully characterize the set o...
2106.05783
Leonardo Dalla Porta
Leonardo Dalla Porta, Daniel M. Castro, Mauro Copelli, Pedro V. Carelli, and Fernanda S. Matias
Feedforward and feedback influences through distinct frequency bands between two spiking-neuron networks
null
null
10.1103/PhysRevE.104.054404
null
q-bio.NC
http://creativecommons.org/licenses/by/4.0/
Several studies with brain signals suggested that bottom-up and top-down influences are exerted through distinct frequency bands among visual cortical areas. It has been recently shown that theta and gamma rhythms subserve feedforward, whereas the feedback influence is dominated by the alpha-beta rhythm in primates. ...
[ { "created": "Thu, 10 Jun 2021 14:34:03 GMT", "version": "v1" } ]
2021-11-24
[ [ "Porta", "Leonardo Dalla", "" ], [ "Castro", "Daniel M.", "" ], [ "Copelli", "Mauro", "" ], [ "Carelli", "Pedro V.", "" ], [ "Matias", "Fernanda S.", "" ] ]
Several studies with brain signals suggested that bottom-up and top-down influences are exerted through distinct frequency bands among visual cortical areas. It has been recently shown that theta and gamma rhythms subserve feedforward, whereas the feedback influence is dominated by the alpha-beta rhythm in primates. A ...
1807.07127
Charo del Genio
Erin Connelly, Charo I. del Genio, Freya Harrison
Datamining a medieval medical text reveals patterns in ingredient choice that reflect biological activity against the causative agents of specified infections
27 pages, 4 figures
null
null
null
q-bio.QM cs.SI physics.soc-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The pharmacopeia used by physicians and lay people in medieval Europe has largely been dismissed as placebo or superstition. While we now recognise that some of the materia medica used by medieval physicians could have had useful biological properties, research in this area is limited by the labour-intensive process ...
[ { "created": "Wed, 18 Jul 2018 20:08:18 GMT", "version": "v1" } ]
2018-07-20
[ [ "Connelly", "Erin", "" ], [ "del Genio", "Charo I.", "" ], [ "Harrison", "Freya", "" ] ]
The pharmacopeia used by physicians and lay people in medieval Europe has largely been dismissed as placebo or superstition. While we now recognise that some of the materia medica used by medieval physicians could have had useful biological properties, research in this area is limited by the labour-intensive process of...
1109.5159
Michael Knudsen
Michael Knudsen, Elisenda Feliu, Carsten Wiuf
Exact Analysis of Intrinsic Qualitative Features of Phosphorelays using Mathematical Models
null
null
null
null
q-bio.MN q-bio.SC
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Phosphorelays are a class of signaling mechanisms used by cells to respond to changes in their environment. Phosphorelays (of which two-component systems constitute a special case) are particularly abundant in prokaryotes and have been shown to be involved in many fundamental processes such as stress response, osmoti...
[ { "created": "Fri, 23 Sep 2011 19:08:28 GMT", "version": "v1" } ]
2011-09-26
[ [ "Knudsen", "Michael", "" ], [ "Feliu", "Elisenda", "" ], [ "Wiuf", "Carsten", "" ] ]
Phosphorelays are a class of signaling mechanisms used by cells to respond to changes in their environment. Phosphorelays (of which two-component systems constitute a special case) are particularly abundant in prokaryotes and have been shown to be involved in many fundamental processes such as stress response, osmotic ...
1807.08686
Anita Mehta
Anita Mehta
Storing and retrieving long-term memories: cooperation and competition in synaptic dynamics
34 pages, 7 figures
Advances in Physics: X, 3:1, 755-789, (2018)
10.1080/23746149.2018.1480415
null
q-bio.NC physics.bio-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We first review traditional approaches to memory storage and formation, drawing on the literature of quantitative neuroscience as well as statistical physics. These have generally focused on the fast dynamics of neurons; however, there is now an increasing emphasis on the slow dynamics of synapses, whose weight chang...
[ { "created": "Mon, 23 Jul 2018 15:54:33 GMT", "version": "v1" } ]
2018-07-24
[ [ "Mehta", "Anita", "" ] ]
We first review traditional approaches to memory storage and formation, drawing on the literature of quantitative neuroscience as well as statistical physics. These have generally focused on the fast dynamics of neurons; however, there is now an increasing emphasis on the slow dynamics of synapses, whose weight changes...
2008.01237
Haoyu Cheng
Haoyu Cheng, Gregory T Concepcion, Xiaowen Feng, Haowen Zhang and Heng Li
Haplotype-resolved de novo assembly with phased assembly graphs
11 pages, 3 figures, 3 tables
Nature Methods, 2021
10.1038/s41592-020-01056-5
null
q-bio.GN q-bio.QM
http://creativecommons.org/licenses/by/4.0/
Haplotype-resolved de novo assembly is the ultimate solution to the study of sequence variations in a genome. However, existing algorithms either collapse heterozygous alleles into one consensus copy or fail to cleanly separate the haplotypes to produce high-quality phased assemblies. Here we describe hifiasm, a new ...
[ { "created": "Mon, 3 Aug 2020 23:10:44 GMT", "version": "v1" } ]
2021-02-03
[ [ "Cheng", "Haoyu", "" ], [ "Concepcion", "Gregory T", "" ], [ "Feng", "Xiaowen", "" ], [ "Zhang", "Haowen", "" ], [ "Li", "Heng", "" ] ]
Haplotype-resolved de novo assembly is the ultimate solution to the study of sequence variations in a genome. However, existing algorithms either collapse heterozygous alleles into one consensus copy or fail to cleanly separate the haplotypes to produce high-quality phased assemblies. Here we describe hifiasm, a new de...
0809.0391
Masudul Haque
Alexey Mikaberidze, Masudul Haque
Survival benefits in mimicry: a quantitative framework
9 pages, 7 figures
Journal of Theoretical Biology, Vol. 259, pages 462-468 (2009)
10.1016/j.jtbi.2009.02.024
null
q-bio.PE q-bio.QM
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Mimicry is a resemblance between species that benefits at least one of the species. It is a ubiquitous evolutionary phenomenon particularly common among prey species, in which case the advantage involves better protection from predation. We formulate a mathematical description of mimicry among prey species, to invest...
[ { "created": "Tue, 2 Sep 2008 10:19:34 GMT", "version": "v1" } ]
2011-08-09
[ [ "Mikaberidze", "Alexey", "" ], [ "Haque", "Masudul", "" ] ]
Mimicry is a resemblance between species that benefits at least one of the species. It is a ubiquitous evolutionary phenomenon particularly common among prey species, in which case the advantage involves better protection from predation. We formulate a mathematical description of mimicry among prey species, to investig...
1307.8407
Ilya Zhbannikov
Ilya Y. Zhbannikov, Samuel S. Hunter, Matthew L. Settles and James A. Foster
SlopMap: a software application tool for quick and flexible identification of similar sequences using exact k-mer matching
null
null
null
null
q-bio.GN
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
With the advent of Next-Generation (NG) sequencing, it has become possible to sequence an entire genome quickly and inexpensively. However, in some experiments one only needs to extract and assembly a portion of the sequence reads, for example when performing transcriptome studies, sequencing mitochondrial genomes, o...
[ { "created": "Wed, 31 Jul 2013 18:06:05 GMT", "version": "v1" } ]
2013-08-01
[ [ "Zhbannikov", "Ilya Y.", "" ], [ "Hunter", "Samuel S.", "" ], [ "Settles", "Matthew L.", "" ], [ "Foster", "James A.", "" ] ]
With the advent of Next-Generation (NG) sequencing, it has become possible to sequence an entire genome quickly and inexpensively. However, in some experiments one only needs to extract and assembly a portion of the sequence reads, for example when performing transcriptome studies, sequencing mitochondrial genomes, or ...
2212.11367
Adam Tonks
Adam Tonks (1), Trevor Harris (2), Bo Li (1), William Brown (3), Rebecca Smith (3) ((1) Department of Statistics, University of Illinois at Urbana-Champaign, (2) Department of Statistics, Texas A&M University, (3) Department of Pathobiology, University of Illinois at Urbana-Champaign)
Forecasting West Nile Virus with Graph Neural Networks: Harnessing Spatial Dependence in Irregularly Sampled Geospatial Data
null
GeoHealth 8 (7), e2023GH000784
10.1029/2023GH000784
null
q-bio.PE cs.LG q-bio.QM stat.AP
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Machine learning methods have seen increased application to geospatial environmental problems, such as precipitation nowcasting, haze forecasting, and crop yield prediction. However, many of the machine learning methods applied to mosquito population and disease forecasting do not inherently take into account the und...
[ { "created": "Wed, 21 Dec 2022 21:08:45 GMT", "version": "v1" } ]
2024-07-09
[ [ "Tonks", "Adam", "" ], [ "Harris", "Trevor", "" ], [ "Li", "Bo", "" ], [ "Brown", "William", "" ], [ "Smith", "Rebecca", "" ] ]
Machine learning methods have seen increased application to geospatial environmental problems, such as precipitation nowcasting, haze forecasting, and crop yield prediction. However, many of the machine learning methods applied to mosquito population and disease forecasting do not inherently take into account the under...
1105.0866
Shivendra Tewari
Shivendra Tewari and Kaushik Majumdar
A Mathematical Model of Tripartite Synapse: Astrocyte Induced Synaptic Plasticity
42 pages, 14 figures, Journal of Biological Physics (to appear)
null
10.1007/s10867-012-9267-7
null
q-bio.NC math.DS q-bio.CB q-bio.SC
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
In this paper we present a biologically detailed mathematical model of tripartite synapses, where astrocytes modulate short-term synaptic plasticity. The model consists of a pre-synaptic bouton, a post-synaptic dendritic spine-head, a synaptic cleft and a peri-synaptic astrocyte controlling Ca2+ dynamics inside the s...
[ { "created": "Wed, 4 May 2011 16:33:28 GMT", "version": "v1" }, { "created": "Sat, 17 Dec 2011 16:43:50 GMT", "version": "v2" }, { "created": "Mon, 12 Mar 2012 13:45:18 GMT", "version": "v3" } ]
2012-06-05
[ [ "Tewari", "Shivendra", "" ], [ "Majumdar", "Kaushik", "" ] ]
In this paper we present a biologically detailed mathematical model of tripartite synapses, where astrocytes modulate short-term synaptic plasticity. The model consists of a pre-synaptic bouton, a post-synaptic dendritic spine-head, a synaptic cleft and a peri-synaptic astrocyte controlling Ca2+ dynamics inside the syn...
1906.08317
Jonathan Desponds
Jonathan Desponds, Massimo Vergassola and Aleksandra M. Walczak
Hunchback promoters can readout morphogenetic positional information in less than a minute
null
null
null
null
q-bio.MN
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The first cell fate decisions in the developing fly embryo are made very rapidly : hunchback genes decide in a few minutes whether a given nucleus follows the anterior or the posterior developmental blueprint by reading out the positional information encoded in the Bicoid morphogen. This developmental system constitu...
[ { "created": "Wed, 19 Jun 2019 19:20:11 GMT", "version": "v1" }, { "created": "Fri, 21 Jun 2019 17:49:01 GMT", "version": "v2" } ]
2019-06-24
[ [ "Desponds", "Jonathan", "" ], [ "Vergassola", "Massimo", "" ], [ "Walczak", "Aleksandra M.", "" ] ]
The first cell fate decisions in the developing fly embryo are made very rapidly : hunchback genes decide in a few minutes whether a given nucleus follows the anterior or the posterior developmental blueprint by reading out the positional information encoded in the Bicoid morphogen. This developmental system constitute...
1608.03047
John Wentworth
Emma Wentworth and John Wentworth
Computational Limitations of First-Order Repressor Systems
null
null
null
null
q-bio.MN cs.SY math.DS q-bio.SC
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Almost all current approaches for engineering modular logic components in synthetic biology use first-order regulators, including most CRISPR/CAS, TAL, zinc finger, and RNA interference systems. Many practitioners understand intuitively that second and higher order binding is necessary for scalability, and this is ea...
[ { "created": "Wed, 10 Aug 2016 05:00:30 GMT", "version": "v1" } ]
2016-08-11
[ [ "Wentworth", "Emma", "" ], [ "Wentworth", "John", "" ] ]
Almost all current approaches for engineering modular logic components in synthetic biology use first-order regulators, including most CRISPR/CAS, TAL, zinc finger, and RNA interference systems. Many practitioners understand intuitively that second and higher order binding is necessary for scalability, and this is easy...
2010.00214
Antoine Le Gall
B. Guilhas, J.C. Walter, J. Rech, G. David, N.-O. Walliser, J. Palmeri, C. Mathieu-Demaziere, A. Parmeggiani, J.Y. Bouet, A. Le Gall, M. Nollmann
ATP-driven separation of liquid phase condensates in bacteria
null
Molecular Cell, 2020, Pages 293-303.e4
10.1016/j.molcel.2020.06.034
null
q-bio.SC
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Liquid-liquid phase separated (LLPS) states are key to compartmentalise components in the absence of membranes, however it is unclear whether LLPS condensates are actively and specifically organized in the sub-cellular space and by which mechanisms. Here, we address this question by focusing on the ParABS DNA segrega...
[ { "created": "Thu, 1 Oct 2020 06:44:38 GMT", "version": "v1" } ]
2020-10-02
[ [ "Guilhas", "B.", "" ], [ "Walter", "J. C.", "" ], [ "Rech", "J.", "" ], [ "David", "G.", "" ], [ "Walliser", "N. -O.", "" ], [ "Palmeri", "J.", "" ], [ "Mathieu-Demaziere", "C.", "" ], [ "Parmeggian...
Liquid-liquid phase separated (LLPS) states are key to compartmentalise components in the absence of membranes, however it is unclear whether LLPS condensates are actively and specifically organized in the sub-cellular space and by which mechanisms. Here, we address this question by focusing on the ParABS DNA segregati...
1310.4522
Orjan Carlborg
Xia Shen, Simon Forsberg, Mats Pettersson, Zheya Sheng and Orjan Carlborg
Natural CMT2 variation is associated with genome-wide methylation changes and temperature adaptation
Rewrite to improve clarity of presentation. Results unchanged. 43 p, 3 main fig, 1 main table, 15 suppl fig, 2 suppl tables. Particular updates - New title - More detailed abstract and introduction - Updated results section for clarity and focus - Updated discussion connecting work to unpublished work in other ...
PLoS Genet 10(12): e1004842
10.1371/journal.pgen.1004842
null
q-bio.PE q-bio.GN
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
A central problem when studying adaptation to a new environment is the interplay between genetic variation and phenotypic plasticity. Arabidopsis thaliana has colonized a wide range of habitats across the world and it is therefore an attractive model for studying the genetic mechanisms underlying environmental adapta...
[ { "created": "Wed, 16 Oct 2013 21:27:07 GMT", "version": "v1" }, { "created": "Thu, 9 Jan 2014 10:18:27 GMT", "version": "v2" } ]
2014-12-22
[ [ "Shen", "Xia", "" ], [ "Forsberg", "Simon", "" ], [ "Pettersson", "Mats", "" ], [ "Sheng", "Zheya", "" ], [ "Carlborg", "Orjan", "" ] ]
A central problem when studying adaptation to a new environment is the interplay between genetic variation and phenotypic plasticity. Arabidopsis thaliana has colonized a wide range of habitats across the world and it is therefore an attractive model for studying the genetic mechanisms underlying environmental adaptati...
1310.6590
Chuan-Chao Wang
Chuan-Chao Wang, Hui Li
Discovery of Phylogenetic Relevant Y-chromosome Variants in 1000 Genomes Project Data
11 pages, 14 figures
null
null
null
q-bio.PE q-bio.GN
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Current Y chromosome research is limited in the poor resolution of Y chromosome phylogenetic tree. Entirely sequenced Y chromosomes in numerous human individuals have only recently become available by the advent of next-generation sequencing technology. The 1000 Genomes Project has sequenced Y chromosomes from more t...
[ { "created": "Thu, 24 Oct 2013 13:02:50 GMT", "version": "v1" } ]
2013-10-25
[ [ "Wang", "Chuan-Chao", "" ], [ "Li", "Hui", "" ] ]
Current Y chromosome research is limited in the poor resolution of Y chromosome phylogenetic tree. Entirely sequenced Y chromosomes in numerous human individuals have only recently become available by the advent of next-generation sequencing technology. The 1000 Genomes Project has sequenced Y chromosomes from more tha...
2304.00148
Samaila Jackson Yaga
S.J Yaga and F.W.O Saporu
A study of a deterministic model for meningitis epidemic
null
null
null
null
q-bio.PE stat.AP
http://creativecommons.org/licenses/by-nc-nd/4.0/
A compartmental deterministic model that allows (1) immunity from two stages of infection and carriage, and (2) disease induced death, is used in studying the dynamics of meningitis epidemic process in a closed population. It allows for difference in the transmission rate of infection to a susceptible by a carrier an...
[ { "created": "Fri, 31 Mar 2023 21:54:48 GMT", "version": "v1" } ]
2023-04-04
[ [ "Yaga", "S. J", "" ], [ "Saporu", "F. W. O", "" ] ]
A compartmental deterministic model that allows (1) immunity from two stages of infection and carriage, and (2) disease induced death, is used in studying the dynamics of meningitis epidemic process in a closed population. It allows for difference in the transmission rate of infection to a susceptible by a carrier and ...
2107.01670
Emil Iftekhar
Emil Nafis Iftekhar, Viola Priesemann, Rudi Balling, Simon Bauer, Philippe Beutels, Andr\'e Calero Valdez, Sarah Cuschieri, Thomas Czypionka, Uga Dumpis, Enrico Glaab, Eva Grill, Claudia Hanson, Pirta Hotulainen, Peter Klimek, Mirjam Kretzschmar, Tyll Kr\"uger, Jenny Krutzinna, Nicola Low, Helena Machado, Carlo...
A look into the future of the COVID-19 pandemic in Europe: an expert consultation
Manuscript is accepted by The Lancet Regional Health - Europe as a Viewpoint article. Supplementary material can be accessed here: https://owncloud.gwdg.de/index.php/f/1439962756
Lancet Reg. Health Eur. 8, 100185 (2021)
10.1016/j.lanepe.2021.100185
null
q-bio.OT
http://creativecommons.org/licenses/by/4.0/
How will the coronavirus disease 2019 (COVID-19) pandemic develop in the coming months and years? Based on an expert survey, we examine key aspects that are likely to influence COVID-19 in Europe. The future challenges and developments will strongly depend on the progress of national and global vaccination programs, ...
[ { "created": "Sun, 4 Jul 2021 15:55:34 GMT", "version": "v1" }, { "created": "Fri, 23 Jul 2021 09:57:38 GMT", "version": "v2" } ]
2021-10-04
[ [ "Iftekhar", "Emil Nafis", "" ], [ "Priesemann", "Viola", "" ], [ "Balling", "Rudi", "" ], [ "Bauer", "Simon", "" ], [ "Beutels", "Philippe", "" ], [ "Valdez", "André Calero", "" ], [ "Cuschieri", "Sarah", "...
How will the coronavirus disease 2019 (COVID-19) pandemic develop in the coming months and years? Based on an expert survey, we examine key aspects that are likely to influence COVID-19 in Europe. The future challenges and developments will strongly depend on the progress of national and global vaccination programs, th...
1302.0395
Vitaly Vodyanoy
T. Moore, I. Sorokulova, O. Pustovyy, L. Globa, D. Pascoe, M. Rudisill and Vitaly Vodyanoy
Microscopic and thermodynamic evaluation of vesicles shed by erythrocytes at elevated temperatures
18 pages, 7 figures, Submitted to the Journal of Thermal Biology on January 25, 2013
null
null
null
q-bio.TO physics.bio-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Erythrocytes and vesicles shed by erythrocytes from human and rat blood were collected and analyzed after temperature was elevated by physical exercise or by exposure to external heat. The images of erythrocytes and vesicles were analyzed by the light microscopy system with spatial resolution of better than 90 nm. Th...
[ { "created": "Sat, 2 Feb 2013 15:58:44 GMT", "version": "v1" }, { "created": "Tue, 5 Feb 2013 16:13:31 GMT", "version": "v2" } ]
2013-02-06
[ [ "Moore", "T.", "" ], [ "Sorokulova", "I.", "" ], [ "Pustovyy", "O.", "" ], [ "Globa", "L.", "" ], [ "Pascoe", "D.", "" ], [ "Rudisill", "M.", "" ], [ "Vodyanoy", "Vitaly", "" ] ]
Erythrocytes and vesicles shed by erythrocytes from human and rat blood were collected and analyzed after temperature was elevated by physical exercise or by exposure to external heat. The images of erythrocytes and vesicles were analyzed by the light microscopy system with spatial resolution of better than 90 nm. The ...
2403.05762
Xinyu Yu
Hongguang Pan and Xinyu Yu and Yong Yang
Lateral Control of Brain-Controlled Vehicle Based on SVM Probability Output Model
null
null
null
null
q-bio.NC
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The non-stationary characteristics of EEG signal and the individual differences of brain-computer interfaces (BCIs) lead to poor performance in the control process of the brain-controlled vehicles (BCVs). In this paper, by combining steady-state visual evoked potential (SSVEP) interactive interface, brain instruction...
[ { "created": "Sat, 9 Mar 2024 02:15:06 GMT", "version": "v1" } ]
2024-03-12
[ [ "Pan", "Hongguang", "" ], [ "Yu", "Xinyu", "" ], [ "Yang", "Yong", "" ] ]
The non-stationary characteristics of EEG signal and the individual differences of brain-computer interfaces (BCIs) lead to poor performance in the control process of the brain-controlled vehicles (BCVs). In this paper, by combining steady-state visual evoked potential (SSVEP) interactive interface, brain instructions ...
q-bio/0505053
Christophe Pouzat
Matthieu Delescluse (LPC), Christophe Pouzat (LPC)
Efficient spike-sorting of multi-state neurons using inter-spike intervals information
25 pages, to be published in Journal of Neurocience Methods
null
null
null
q-bio.QM math.ST physics.bio-ph physics.data-an stat.TH
null
We demonstrate the efficacy of a new spike-sorting method based on a Markov Chain Monte Carlo (MCMC) algorithm by applying it to real data recorded from Purkinje cells (PCs) in young rat cerebellar slices. This algorithm is unique in its capability to estimate and make use of the firing statistics as well as the spik...
[ { "created": "Fri, 27 May 2005 11:53:44 GMT", "version": "v1" } ]
2011-11-10
[ [ "Delescluse", "Matthieu", "", "LPC" ], [ "Pouzat", "Christophe", "", "LPC" ] ]
We demonstrate the efficacy of a new spike-sorting method based on a Markov Chain Monte Carlo (MCMC) algorithm by applying it to real data recorded from Purkinje cells (PCs) in young rat cerebellar slices. This algorithm is unique in its capability to estimate and make use of the firing statistics as well as the spike ...
1711.09113
Michael Deem
Melia E. Bonomo and Michael W. Deem
How the other half lives: CRISPR-Cas's influence on bacteriophages
24 pages, 8 figures
Evolutionary Biology : Self, Non-Self Evolution, Species and Complex Traits, Evolution, Methods and Concepts, ISBN 978-3-319-61569-1, edited by Pierre Pontarotti, Springer Nature, September 2017, pp. 63-85
null
null
q-bio.PE
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
CRISPR-Cas is a genetic adaptive immune system unique to prokaryotic cells used to combat phage and plasmid threats. The host cell adapts by incorporating DNA sequences from invading phages or plasmids into its CRISPR locus as spacers. These spacers are expressed as mobile surveillance RNAs that direct CRISPR-associa...
[ { "created": "Fri, 24 Nov 2017 19:29:35 GMT", "version": "v1" } ]
2017-11-28
[ [ "Bonomo", "Melia E.", "" ], [ "Deem", "Michael W.", "" ] ]
CRISPR-Cas is a genetic adaptive immune system unique to prokaryotic cells used to combat phage and plasmid threats. The host cell adapts by incorporating DNA sequences from invading phages or plasmids into its CRISPR locus as spacers. These spacers are expressed as mobile surveillance RNAs that direct CRISPR-associate...
2211.09005
Florian Nill
Florian Nill
Endemic Oscillations for SARS-CoV-2 Omicron -- A SIRS model analysis
19 pages, 9 figures
Chaos, Solitons and Fractals 173 (2023) 113678
10.1016/j.chaos.2023.113678
null
q-bio.PE math.DS physics.soc-ph
http://creativecommons.org/licenses/by-nc-nd/4.0/
The SIRS model with constant vaccination and immunity waning rates is well known to show a transition from a disease-free to an endemic equilibrium as the basic reproduction number $r_0$ is raised above threshold. It is shown that this model maps to Hethcote's classic endemic model originally published in 1973. In th...
[ { "created": "Wed, 16 Nov 2022 16:02:04 GMT", "version": "v1" }, { "created": "Tue, 30 May 2023 08:58:07 GMT", "version": "v2" } ]
2023-06-26
[ [ "Nill", "Florian", "" ] ]
The SIRS model with constant vaccination and immunity waning rates is well known to show a transition from a disease-free to an endemic equilibrium as the basic reproduction number $r_0$ is raised above threshold. It is shown that this model maps to Hethcote's classic endemic model originally published in 1973. In this...