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2106.07865
Brandon Munn
Brandon R. Munn, Eli J. M\"uller, and James M. Shine
Noradrenergic neuromodulation of nonlinear bursting neurons controls critical dynamics
17 pages, 5 figures
null
null
null
q-bio.NC
http://creativecommons.org/licenses/by-nc-nd/4.0/
In order to remain adaptable to a dynamic environment, neural activity must be simultaneously both sensitive and stable. To solve this problem, the brain has been hypothesised to sit near a critical boundary. Yet, precisely how criticality and these opposing information processing modes are implemented in the brain r...
[ { "created": "Tue, 15 Jun 2021 03:59:16 GMT", "version": "v1" }, { "created": "Thu, 10 Feb 2022 22:32:10 GMT", "version": "v2" }, { "created": "Thu, 6 Apr 2023 10:35:42 GMT", "version": "v3" } ]
2023-04-07
[ [ "Munn", "Brandon R.", "" ], [ "Müller", "Eli J.", "" ], [ "Shine", "James M.", "" ] ]
In order to remain adaptable to a dynamic environment, neural activity must be simultaneously both sensitive and stable. To solve this problem, the brain has been hypothesised to sit near a critical boundary. Yet, precisely how criticality and these opposing information processing modes are implemented in the brain rem...
2104.12571
Sebastian Lotter
Sebastian Lotter and Lukas Brand and Maximilian Sch\"afer and Robert Schober
Statistical Modeling of Airborne Virus Transmission Through Imperfectly Fitted Face Masks
7 pages, 5 figures, 1 table. Presented at the 8th ACM International Conference on Nanoscale Computing and Communication (NANOCOM)
null
10.1145/3477206.3477478
null
q-bio.PE physics.soc-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The rapid emergence and the disastrous impact of the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) pandemic on public health, societies, and economies around the world has created an urgent need for understanding the pathways critical for virus transmission. Airborne virus transmission by asymptomatic ...
[ { "created": "Mon, 26 Apr 2021 13:40:42 GMT", "version": "v1" }, { "created": "Sat, 1 May 2021 14:03:11 GMT", "version": "v2" }, { "created": "Mon, 16 Jan 2023 13:50:00 GMT", "version": "v3" } ]
2023-01-18
[ [ "Lotter", "Sebastian", "" ], [ "Brand", "Lukas", "" ], [ "Schäfer", "Maximilian", "" ], [ "Schober", "Robert", "" ] ]
The rapid emergence and the disastrous impact of the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) pandemic on public health, societies, and economies around the world has created an urgent need for understanding the pathways critical for virus transmission. Airborne virus transmission by asymptomatic SA...
2401.06959
Shirui Bian
Shirui Bian, Ruisong Zhou, Wei Lin, Chunhe Li
Quantifying energy landscape of oscillatory systems: Explosion, pre-solution, and diffusion decomposition
13 pages, 4 figures
null
null
null
q-bio.QM q-bio.MN
http://creativecommons.org/publicdomain/zero/1.0/
The energy landscape theory finds its both extensive and intensive application in studying stochastic dynamics of physical and biological systems. Although the weighted summation of the Gaussian approximation (WSGA) approach has been proposed for quantifying the energy landscape in multistable systems by solving the ...
[ { "created": "Sat, 13 Jan 2024 03:15:13 GMT", "version": "v1" } ]
2024-01-17
[ [ "Bian", "Shirui", "" ], [ "Zhou", "Ruisong", "" ], [ "Lin", "Wei", "" ], [ "Li", "Chunhe", "" ] ]
The energy landscape theory finds its both extensive and intensive application in studying stochastic dynamics of physical and biological systems. Although the weighted summation of the Gaussian approximation (WSGA) approach has been proposed for quantifying the energy landscape in multistable systems by solving the di...
1809.01699
Robert Grossman
Robert L. Grossman
Data Lakes, Clouds and Commons: A Review of Platforms for Analyzing and Sharing Genomic Data
28 pages, 4 figures
null
null
null
q-bio.GN cs.CY
http://creativecommons.org/licenses/by/4.0/
Data commons collate data with cloud computing infrastructure and commonly used software services, tools and applications to create biomedical resources for the large-scale management, analysis, harmonization, and sharing of biomedical data. Over the past few years, data commons have been used to analyze, harmonize a...
[ { "created": "Wed, 5 Sep 2018 19:24:13 GMT", "version": "v1" }, { "created": "Mon, 24 Dec 2018 19:57:33 GMT", "version": "v2" } ]
2018-12-27
[ [ "Grossman", "Robert L.", "" ] ]
Data commons collate data with cloud computing infrastructure and commonly used software services, tools and applications to create biomedical resources for the large-scale management, analysis, harmonization, and sharing of biomedical data. Over the past few years, data commons have been used to analyze, harmonize and...
1402.0385
Guido Tiana
R. Capelli, C. Paissoni, P. Sormanni and G. Tiana
Iterative derivation of effective potentials to sample the conformational space of proteins at atomistic scale
null
null
10.1063/1.4876219
null
q-bio.BM
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The current capacity of computers makes it possible to perform simulations of small systems with portable, explicit-solvent potentials achieving high degree of accuracy. However, simplified models must be employed to exploit the behaviour of large systems or to perform systematic scans of smaller systems. While power...
[ { "created": "Mon, 3 Feb 2014 14:11:01 GMT", "version": "v1" } ]
2015-06-18
[ [ "Capelli", "R.", "" ], [ "Paissoni", "C.", "" ], [ "Sormanni", "P.", "" ], [ "Tiana", "G.", "" ] ]
The current capacity of computers makes it possible to perform simulations of small systems with portable, explicit-solvent potentials achieving high degree of accuracy. However, simplified models must be employed to exploit the behaviour of large systems or to perform systematic scans of smaller systems. While powerfu...
1004.2072
Vadas Gintautas
Michael I. Ham, Vadas Gintautas, Guenter W. Gross
Spontaneous coordinated activity in cultured networks: Analysis of multiple ignition sites, primary circuits, burst phase delay distributions and functional structures
4 pages, 3 figures. Presented at 6th International Meeting on Substrate-Integrated Micro Electrode Arrays in Reutlingen in July 2008.
Published in 6th International Meeting on Substrate-Integrated Micro Electrode Arrays, 2008.
null
null
q-bio.NC
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
All higher order central nervous systems exhibit spontaneous neural activity, though the purpose and mechanistic origin of such activity remains poorly understood. We explore the ignition and spread of collective spontaneous electrophysiological burst activity in networks of cultured cortical neurons growing on micro...
[ { "created": "Mon, 12 Apr 2010 22:23:15 GMT", "version": "v1" } ]
2010-04-14
[ [ "Ham", "Michael I.", "" ], [ "Gintautas", "Vadas", "" ], [ "Gross", "Guenter W.", "" ] ]
All higher order central nervous systems exhibit spontaneous neural activity, though the purpose and mechanistic origin of such activity remains poorly understood. We explore the ignition and spread of collective spontaneous electrophysiological burst activity in networks of cultured cortical neurons growing on microel...
1606.08233
Raul Isea
Raul Isea and Karl E Lonngren
A Preliminary Mathematical Model for the Dynamic Transmission of Dengue, Chikungunya and Zika
5 pages, 2 figures, open access
American Journal of Modern Physics and Application. 2016. Vol 3(2) 11-15
null
null
q-bio.PE
http://creativecommons.org/publicdomain/zero/1.0/
Aedes aegypti is a known vector of Dengue, Chikungunya and Zika and the goal of this study is to propose the first mathematical model to describe the dynamic transmission of these three diseases. We present two preliminary models that consist of the SEIR model for the human populations and an SEI model for the vector...
[ { "created": "Mon, 27 Jun 2016 12:17:24 GMT", "version": "v1" } ]
2016-06-28
[ [ "Isea", "Raul", "" ], [ "Lonngren", "Karl E", "" ] ]
Aedes aegypti is a known vector of Dengue, Chikungunya and Zika and the goal of this study is to propose the first mathematical model to describe the dynamic transmission of these three diseases. We present two preliminary models that consist of the SEIR model for the human populations and an SEI model for the vector t...
1710.03563
Laszlo Pecze
Michael Dougoud, Christian Mazza, Beat Schwaller, Laszlo Pecze
Extending the mathematical palette for developmental pattern formation: Piebaldism
null
null
null
null
q-bio.TO
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Piebaldism usually manifests as white areas of fur, hair or skin due to the absence of pigment-producing cells in those regions. The distribution of the white and colored zones does not follow the classical Turing patterns. Here we present a modeling framework for pattern formation that enables to easily modify the r...
[ { "created": "Tue, 10 Oct 2017 13:24:12 GMT", "version": "v1" } ]
2017-10-11
[ [ "Dougoud", "Michael", "" ], [ "Mazza", "Christian", "" ], [ "Schwaller", "Beat", "" ], [ "Pecze", "Laszlo", "" ] ]
Piebaldism usually manifests as white areas of fur, hair or skin due to the absence of pigment-producing cells in those regions. The distribution of the white and colored zones does not follow the classical Turing patterns. Here we present a modeling framework for pattern formation that enables to easily modify the rel...
2106.01602
Ignazio Lazzizzera
Ignazio Lazzizzera
The SIR model towards he data. One year of Covid-19 pandemic in Italy case study and plausible "real" numbers
null
null
null
null
q-bio.PE
http://creativecommons.org/licenses/by/4.0/
In this work, the SIR epidemiological model is reformulated so to highlight the important {\em effective reproduction number}, as well as to account for the {\em generation time}, inverse of the {\em incidence rate}, and the {\em infectious period} (or {\em removal period}), inverse of the {\em removal rate}. The aim...
[ { "created": "Thu, 3 Jun 2021 05:32:14 GMT", "version": "v1" }, { "created": "Sun, 25 Jul 2021 09:45:35 GMT", "version": "v2" } ]
2021-07-27
[ [ "Lazzizzera", "Ignazio", "" ] ]
In this work, the SIR epidemiological model is reformulated so to highlight the important {\em effective reproduction number}, as well as to account for the {\em generation time}, inverse of the {\em incidence rate}, and the {\em infectious period} (or {\em removal period}), inverse of the {\em removal rate}. The aim i...
2208.05228
Ijaz Gul
Ijaz Gul, Changyue Liu, Yuan Xi, Zhicheng Du, Shiyao Zhai, Zhengyang Lei, Chen Qun, Muhammad Akmal Raheem, Qian He, Zhang Haihui, Canyang Zhang, Runming Wang, Sanyang Han, Du Ke, Peiwu Qin
Current and perspective sensing methods for monkeypox virus: a reemerging zoonosis in its infancy
36 pages, 5 figures, 1 table
null
null
null
q-bio.QM q-bio.BM
http://creativecommons.org/licenses/by-nc-nd/4.0/
Objectives The review is dedicated to evaluate the current monkeypox virus (MPXV) detection methods, discuss their pros and cons, and provide recommended solutions to the problems. Methods The literature for this review is identified through searches in PubMed, Web of Science, Google Scholar, ResearchGate, and Scie...
[ { "created": "Wed, 10 Aug 2022 09:03:02 GMT", "version": "v1" } ]
2022-08-11
[ [ "Gul", "Ijaz", "" ], [ "Liu", "Changyue", "" ], [ "Xi", "Yuan", "" ], [ "Du", "Zhicheng", "" ], [ "Zhai", "Shiyao", "" ], [ "Lei", "Zhengyang", "" ], [ "Qun", "Chen", "" ], [ "Raheem", "Muhammad...
Objectives The review is dedicated to evaluate the current monkeypox virus (MPXV) detection methods, discuss their pros and cons, and provide recommended solutions to the problems. Methods The literature for this review is identified through searches in PubMed, Web of Science, Google Scholar, ResearchGate, and Science ...
1807.09400
Nicholas Chia
Stephanie Danni Song, Patricio Jeraldo, Jun Chen, Nicholas Chia
Extreme value analysis of gut microbial alterations in colorectal cancer
null
Phys. Rev. E 99, 032413 (2019)
10.1103/PhysRevE.99.032413
null
q-bio.QM
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Gut microbes play a key role in colorectal carcinogenesis, yet reaching a consensus on microbial signatures remains a challenge. This is in part due to a reliance on mean value estimates. We present an extreme value analysis for overcoming these limitations. By characterizing a power law fit to the relative abundance...
[ { "created": "Wed, 25 Jul 2018 00:15:21 GMT", "version": "v1" }, { "created": "Tue, 22 Jan 2019 21:03:48 GMT", "version": "v2" }, { "created": "Wed, 13 Feb 2019 14:05:54 GMT", "version": "v3" } ]
2019-03-27
[ [ "Song", "Stephanie Danni", "" ], [ "Jeraldo", "Patricio", "" ], [ "Chen", "Jun", "" ], [ "Chia", "Nicholas", "" ] ]
Gut microbes play a key role in colorectal carcinogenesis, yet reaching a consensus on microbial signatures remains a challenge. This is in part due to a reliance on mean value estimates. We present an extreme value analysis for overcoming these limitations. By characterizing a power law fit to the relative abundances ...
1411.6843
Jose Fontanari
Mauro Santos, E\"ors Szathm\'ary and Jos\'e F. Fontanari
Phenotypic Plasticity, the Baldwin Effect, and the Speeding up of Evolution: the Computational Roots of an Illusion
null
Journal of Theoretical Biology 371, 127-136 (2015)
10.1016/j.jtbi.2015.02.012
null
q-bio.PE
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
An increasing number of dissident voices claim that the standard neo-Darwinian view of genes as 'leaders' and phenotypes as 'followers' during the process of adaptive evolution should be turned on its head. This idea is older than the rediscovery of Mendel's laws of inheritance and has been given several names before...
[ { "created": "Tue, 25 Nov 2014 12:55:08 GMT", "version": "v1" } ]
2015-03-10
[ [ "Santos", "Mauro", "" ], [ "Szathmáry", "Eörs", "" ], [ "Fontanari", "José F.", "" ] ]
An increasing number of dissident voices claim that the standard neo-Darwinian view of genes as 'leaders' and phenotypes as 'followers' during the process of adaptive evolution should be turned on its head. This idea is older than the rediscovery of Mendel's laws of inheritance and has been given several names before i...
1805.01425
Delfim F. M. Torres
Jasmina Djordjevic, Cristiana J. Silva, Delfim F. M. Torres
A stochastic SICA epidemic model for HIV transmission
This is a preprint of a paper whose final and definite form is with 'Applied Mathematics Letters', ISSN 0893-9659. Submitted 22/Jan/2018; Revised 03/May/2018; Accepted for publication 03/May/2018
Appl. Math. Lett. 84 (2018), 168--175
10.1016/j.aml.2018.05.005
null
q-bio.PE math.CA
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We propose a stochastic SICA epidemic model for HIV transmission, described by stochastic ordinary differential equations, and discuss its perturbation by environmental white noise. Existence and uniqueness of the global positive solution to the stochastic HIV system is proven, and conditions under which extinction a...
[ { "created": "Thu, 3 May 2018 16:58:07 GMT", "version": "v1" } ]
2018-05-30
[ [ "Djordjevic", "Jasmina", "" ], [ "Silva", "Cristiana J.", "" ], [ "Torres", "Delfim F. M.", "" ] ]
We propose a stochastic SICA epidemic model for HIV transmission, described by stochastic ordinary differential equations, and discuss its perturbation by environmental white noise. Existence and uniqueness of the global positive solution to the stochastic HIV system is proven, and conditions under which extinction and...
2106.09979
Taisuke Kobayashi
Taisuke Kobayashi, Eiji Watanabe
Artificial Perception Meets Psychophysics, Revealing a Fundamental Law of Illusory Motion
15 pages, 11 figures
null
null
null
q-bio.NC
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Rotating Snakes is a visual illusion in which a stationary design is perceived to move dramatically. In the current study, the mechanism that generates perception of motion was analyzed using a combination of psychophysics experiments and deep neural network models that mimic human vision. We prepared three- and four...
[ { "created": "Fri, 18 Jun 2021 07:59:18 GMT", "version": "v1" }, { "created": "Mon, 21 Jun 2021 06:06:02 GMT", "version": "v2" }, { "created": "Thu, 24 Jun 2021 05:26:51 GMT", "version": "v3" }, { "created": "Fri, 11 Feb 2022 06:17:19 GMT", "version": "v4" }, { "c...
2022-03-31
[ [ "Kobayashi", "Taisuke", "" ], [ "Watanabe", "Eiji", "" ] ]
Rotating Snakes is a visual illusion in which a stationary design is perceived to move dramatically. In the current study, the mechanism that generates perception of motion was analyzed using a combination of psychophysics experiments and deep neural network models that mimic human vision. We prepared three- and four-c...
2006.12479
Nana Geraldine Cabo Bizet Dr
Nana Geraldine Cabo Bizet, Dami\'an Kaloni Mayorga Pe\~na
Time-dependent and time-independent SIR models applied to the COVID-19 outbreak in Argentina, Brazil, Colombia, Mexico and South Africa
26 pages, 5 figures, 9 tables
null
null
null
q-bio.PE physics.soc-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We consider the SIR epidemiological model applied to the evolution of COVID-19 with two approaches. In the first place we fit a global SIR model, with time delay, and constant parameters throughout the outbreak, including the contagion rate. The contention measures are reflected on an effective reduced susceptible po...
[ { "created": "Mon, 22 Jun 2020 17:55:52 GMT", "version": "v1" } ]
2020-06-23
[ [ "Bizet", "Nana Geraldine Cabo", "" ], [ "Peña", "Damián Kaloni Mayorga", "" ] ]
We consider the SIR epidemiological model applied to the evolution of COVID-19 with two approaches. In the first place we fit a global SIR model, with time delay, and constant parameters throughout the outbreak, including the contagion rate. The contention measures are reflected on an effective reduced susceptible popu...
2403.01332
Tyler Ross
Tyler D. Ross, Ashwin Gopinath
Chaining thoughts and LLMs to learn DNA structural biophysics
null
null
null
null
q-bio.QM cs.AI cs.LG
http://creativecommons.org/licenses/by/4.0/
The future development of an AI scientist, a tool that is capable of integrating a variety of experimental data and generating testable hypotheses, holds immense potential. So far, bespoke machine learning models have been created to specialize in singular scientific tasks, but otherwise lack the flexibility of a gen...
[ { "created": "Sat, 2 Mar 2024 22:38:01 GMT", "version": "v1" } ]
2024-03-05
[ [ "Ross", "Tyler D.", "" ], [ "Gopinath", "Ashwin", "" ] ]
The future development of an AI scientist, a tool that is capable of integrating a variety of experimental data and generating testable hypotheses, holds immense potential. So far, bespoke machine learning models have been created to specialize in singular scientific tasks, but otherwise lack the flexibility of a gener...
0801.3940
Eleonora Alfinito Dr.
Eleonora Alfinito, Cecilia Pennetta, Lino Reggiani
Topological change and impedance spectrum of rat olfactory receptor I7: A comparative analysis with bovine rhodopsin and bacterior
6 pages, 8 figures
J. Appl. Phys. 105 084703 (2009)
10.1063/1.3100210
null
q-bio.BM
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We present a theoretical investigation on possible selection of olfactory receptors (ORs) as sensing components of nanobiosensors. Accordingly, we generate the impedance spectra of the rat OR I7 in the native and activated state and analyze their differences. In this way, we connect the protein morphological transfor...
[ { "created": "Fri, 25 Jan 2008 13:27:51 GMT", "version": "v1" }, { "created": "Tue, 19 May 2009 08:20:58 GMT", "version": "v2" } ]
2011-02-17
[ [ "Alfinito", "Eleonora", "" ], [ "Pennetta", "Cecilia", "" ], [ "Reggiani", "Lino", "" ] ]
We present a theoretical investigation on possible selection of olfactory receptors (ORs) as sensing components of nanobiosensors. Accordingly, we generate the impedance spectra of the rat OR I7 in the native and activated state and analyze their differences. In this way, we connect the protein morphological transforma...
1908.06671
Francesco Cagnetta
F. Cagnetta, D. Michieletto and D. Marenduzzo
A nonequilibrium strategy for fast target search on the genome
5 pages, 5 figures
Phys. Rev. Lett. 124, 198101 (2020)
10.1103/PhysRevLett.124.198101
null
q-bio.SC cond-mat.soft physics.bio-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Vital biological processes such as genome repair require fast and efficient binding of selected proteins to specific target sites on DNA. Here we propose an active target search mechanism based on "chromophoresis", the dynamics of DNA-binding proteins up or down gradients in the density of epigenetic marks, or colour...
[ { "created": "Mon, 19 Aug 2019 09:57:07 GMT", "version": "v1" }, { "created": "Wed, 22 Apr 2020 06:37:00 GMT", "version": "v2" }, { "created": "Thu, 23 Apr 2020 10:04:33 GMT", "version": "v3" } ]
2020-05-20
[ [ "Cagnetta", "F.", "" ], [ "Michieletto", "D.", "" ], [ "Marenduzzo", "D.", "" ] ]
Vital biological processes such as genome repair require fast and efficient binding of selected proteins to specific target sites on DNA. Here we propose an active target search mechanism based on "chromophoresis", the dynamics of DNA-binding proteins up or down gradients in the density of epigenetic marks, or colours ...
1106.3771
Yann Ponty
Yann Ponty (INRIA Saclay - Ile de France, LIX), C\'edric Saule (INRIA Saclay - Ile de France, LRI, IRIC)
A Combinatorial Framework for Designing (Pseudoknotted) RNA Algorithms
null
11th Workshop on Algorithms in Bioinformatics (WABI'11) (2011)
null
null
q-bio.QM
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We extend an hypergraph representation, introduced by Finkelstein and Roytberg, to unify dynamic programming algorithms in the context of RNA folding with pseudoknots. Classic applications of RNA dynamic programming energy minimization, partition function, base-pair probabilities...) are reformulated within this fram...
[ { "created": "Sun, 19 Jun 2011 18:50:54 GMT", "version": "v1" } ]
2011-06-21
[ [ "Ponty", "Yann", "", "INRIA Saclay - Ile de France, LIX" ], [ "Saule", "Cédric", "", "INRIA\n Saclay - Ile de France, LRI, IRIC" ] ]
We extend an hypergraph representation, introduced by Finkelstein and Roytberg, to unify dynamic programming algorithms in the context of RNA folding with pseudoknots. Classic applications of RNA dynamic programming energy minimization, partition function, base-pair probabilities...) are reformulated within this framew...
1903.10120
Andrey Kuznetsov
Ivan A. Kuznetsov and Andrey V. Kuznetsov
Modeling transport and mean age of dense core vesicles in large axonal arbors
Added an acknowledgement to Holger Metzler
Proceedings of the Royal Society A, vol. 475, 20190284, 2019
10.1098/rspa.2019.0284
null
q-bio.NC q-bio.SC
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
A model simulating transport of dense core vesicles (DCVs) in type II axonal terminals of Drosophila motoneurons has been developed. The morphology of type II terminals is characterized by the large number of en passant boutons. The lack of both scaled up DCV transport and scaled down DCV capture in boutons results i...
[ { "created": "Mon, 25 Mar 2019 03:44:22 GMT", "version": "v1" }, { "created": "Thu, 2 May 2019 17:57:58 GMT", "version": "v2" }, { "created": "Sat, 7 Sep 2019 14:33:09 GMT", "version": "v3" }, { "created": "Sat, 1 Feb 2020 18:36:09 GMT", "version": "v4" } ]
2020-02-04
[ [ "Kuznetsov", "Ivan A.", "" ], [ "Kuznetsov", "Andrey V.", "" ] ]
A model simulating transport of dense core vesicles (DCVs) in type II axonal terminals of Drosophila motoneurons has been developed. The morphology of type II terminals is characterized by the large number of en passant boutons. The lack of both scaled up DCV transport and scaled down DCV capture in boutons results in ...
1612.05882
Giovanni Bussi
Ji\v{r}\'i \v{S}poner, Giovanni Bussi, Petr Stadlbauer, Petra K\"uhrov\'a, Pavel Ban\'a\v{s}, Barira Islam, Shozeb Haider, Stephen Neidle, Michal Otyepka
Folding of guanine quadruplex molecules -- funnel-like mechanism or kinetic partitioning? An overview from MD simulation studies
\c{opyright} 2016. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/
BBA-Gen. Subjects 1861, 1246 (2017)
10.1016/j.bbagen.2016.12.008
null
q-bio.BM physics.bio-ph physics.chem-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Background: Guanine quadruplexes (GQs) play vital roles in many cellular processes and are of much interest as drug targets. In contrast to the availability of many structural studies, there is still limited knowledge on GQ folding. Scope of review: We review recent molecular dynamics (MD) simulation studies of the...
[ { "created": "Sun, 18 Dec 2016 09:58:16 GMT", "version": "v1" } ]
2020-05-05
[ [ "Šponer", "Jiří", "" ], [ "Bussi", "Giovanni", "" ], [ "Stadlbauer", "Petr", "" ], [ "Kührová", "Petra", "" ], [ "Banáš", "Pavel", "" ], [ "Islam", "Barira", "" ], [ "Haider", "Shozeb", "" ], [ "Nei...
Background: Guanine quadruplexes (GQs) play vital roles in many cellular processes and are of much interest as drug targets. In contrast to the availability of many structural studies, there is still limited knowledge on GQ folding. Scope of review: We review recent molecular dynamics (MD) simulation studies of the fol...
2112.06256
Pierre Haas
Pierre A. Haas and Maria A. Gutierrez and Nuno M. Oliveira and Raymond E. Goldstein
Stabilization of Microbial Communities by Responsive Phenotypic Switching
27 pages, 13 figures, (structure of paper reorganized, typos corrected)
null
null
null
q-bio.PE cond-mat.soft
http://creativecommons.org/licenses/by/4.0/
Clonal microbes can switch between different phenotypes and recent theoretical work has shown that stochastic switching between these subpopulations can stabilize microbial communities. This phenotypic switching need not be stochastic, however, but could also be in response to environmental factors, both biotic and a...
[ { "created": "Sun, 12 Dec 2021 15:08:52 GMT", "version": "v1" }, { "created": "Tue, 14 Jun 2022 07:52:22 GMT", "version": "v2" } ]
2022-06-15
[ [ "Haas", "Pierre A.", "" ], [ "Gutierrez", "Maria A.", "" ], [ "Oliveira", "Nuno M.", "" ], [ "Goldstein", "Raymond E.", "" ] ]
Clonal microbes can switch between different phenotypes and recent theoretical work has shown that stochastic switching between these subpopulations can stabilize microbial communities. This phenotypic switching need not be stochastic, however, but could also be in response to environmental factors, both biotic and abi...
1812.10227
Yangsong Zhang
Yangsong Zhang, Erwei Yin, Fali Li, Yu Zhang, Daqing Guo, Dezhong Yao, Peng Xu
Hierarchical feature fusion framework for frequency recognition in SSVEP-based BCIs
25 pages, 9 figures
null
null
null
q-bio.NC eess.SP
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Effective frequency recognition algorithms are critical in steady-state visual evoked potential (SSVEP) based brain-computer interfaces (BCIs). In this study, we present a hierarchical feature fusion framework which can be used to design high-performance frequency recognition methods. The proposed framework includes ...
[ { "created": "Wed, 26 Dec 2018 05:06:16 GMT", "version": "v1" }, { "created": "Thu, 21 Mar 2019 14:41:35 GMT", "version": "v2" } ]
2019-03-22
[ [ "Zhang", "Yangsong", "" ], [ "Yin", "Erwei", "" ], [ "Li", "Fali", "" ], [ "Zhang", "Yu", "" ], [ "Guo", "Daqing", "" ], [ "Yao", "Dezhong", "" ], [ "Xu", "Peng", "" ] ]
Effective frequency recognition algorithms are critical in steady-state visual evoked potential (SSVEP) based brain-computer interfaces (BCIs). In this study, we present a hierarchical feature fusion framework which can be used to design high-performance frequency recognition methods. The proposed framework includes tw...
2402.10251
Zhizhang Yuan
Zhizhang Yuan, Daoze Zhang, Junru Chen, Gefei Gu, Yang Yang
Brant-2: Foundation Model for Brain Signals
14 pages, 7 figures
null
null
null
q-bio.NC cs.AI cs.LG eess.SP
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Foundational models benefit from pre-training on large amounts of unlabeled data and enable strong performance in a wide variety of applications with a small amount of labeled data. Such models can be particularly effective in analyzing brain signals, as this field encompasses numerous application scenarios, and it i...
[ { "created": "Thu, 15 Feb 2024 16:04:11 GMT", "version": "v1" }, { "created": "Thu, 22 Feb 2024 12:32:53 GMT", "version": "v2" }, { "created": "Wed, 6 Mar 2024 09:04:32 GMT", "version": "v3" }, { "created": "Thu, 28 Mar 2024 13:55:31 GMT", "version": "v4" } ]
2024-03-29
[ [ "Yuan", "Zhizhang", "" ], [ "Zhang", "Daoze", "" ], [ "Chen", "Junru", "" ], [ "Gu", "Gefei", "" ], [ "Yang", "Yang", "" ] ]
Foundational models benefit from pre-training on large amounts of unlabeled data and enable strong performance in a wide variety of applications with a small amount of labeled data. Such models can be particularly effective in analyzing brain signals, as this field encompasses numerous application scenarios, and it is ...
1912.07925
Joachim Krug
Benjamin Schmiegelt and Joachim Krug
Accessibility Percolation on Cartesian Power Graphs
43 pages, 9 figures, 2 tables
Journal of Mathematical Biology 86, article number 46 (2023)
10.1007/s00285-023-01882-z
null
q-bio.PE math.PR
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
A fitness landscape is a mapping from a space of discrete genotypes to the real numbers. A path in a fitness landscape is a sequence of genotypes connected by single mutational steps. Such a path is said to be accessible if the fitness values of the genotypes encountered along the path increase monotonically. We stud...
[ { "created": "Tue, 17 Dec 2019 11:11:36 GMT", "version": "v1" }, { "created": "Tue, 20 Apr 2021 13:58:49 GMT", "version": "v2" }, { "created": "Thu, 12 Jan 2023 13:28:46 GMT", "version": "v3" }, { "created": "Mon, 20 Feb 2023 17:46:49 GMT", "version": "v4" } ]
2023-02-21
[ [ "Schmiegelt", "Benjamin", "" ], [ "Krug", "Joachim", "" ] ]
A fitness landscape is a mapping from a space of discrete genotypes to the real numbers. A path in a fitness landscape is a sequence of genotypes connected by single mutational steps. Such a path is said to be accessible if the fitness values of the genotypes encountered along the path increase monotonically. We study ...
1005.0103
Giuseppe Jurman
Giuseppe Jurman, Roberto Visintainer, Cesare Furlanello
An introduction to spectral distances in networks (extended version)
null
G. Jurman, R. Visintainer, C. Furlanello. An introduction to spectral distances in networks. Frontiers in Artificial Intelligence and Applications, 226:227-234, 2011
null
null
q-bio.MN math.CO
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Many functions have been recently defined to assess the similarity among networks as tools for quantitative comparison. They stem from very different frameworks - and they are tuned for dealing with different situations. Here we show an overview of the spectral distances, highlighting their behavior in some basic cas...
[ { "created": "Sat, 1 May 2010 20:44:04 GMT", "version": "v1" }, { "created": "Tue, 25 May 2010 16:06:54 GMT", "version": "v2" }, { "created": "Tue, 26 Oct 2010 16:21:14 GMT", "version": "v3" } ]
2012-08-21
[ [ "Jurman", "Giuseppe", "" ], [ "Visintainer", "Roberto", "" ], [ "Furlanello", "Cesare", "" ] ]
Many functions have been recently defined to assess the similarity among networks as tools for quantitative comparison. They stem from very different frameworks - and they are tuned for dealing with different situations. Here we show an overview of the spectral distances, highlighting their behavior in some basic cases...
1808.07259
Yu Sun
Yu Sun and Siv G.E. Andersson
SSCU: an R/Bioconductor package for analyzing selective profile in synonymous codon usage
null
null
null
null
q-bio.GN
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Background Synonymous codon choice is mainly affected by mutation and selection. For the majority of genes within a genome, mutational pressure is the major driving force, but selective strength can be strong and dominant for specific set of genes or codons. More specifically, the selective strength on translational ...
[ { "created": "Wed, 22 Aug 2018 07:52:25 GMT", "version": "v1" } ]
2018-08-23
[ [ "Sun", "Yu", "" ], [ "Andersson", "Siv G. E.", "" ] ]
Background Synonymous codon choice is mainly affected by mutation and selection. For the majority of genes within a genome, mutational pressure is the major driving force, but selective strength can be strong and dominant for specific set of genes or codons. More specifically, the selective strength on translational ef...
1903.01233
Simon Girel
Simon Girel (ICJ, DRACULA), Christophe Arpin (CIRI), Jacqueline Marvel (CIRI), Olivier Gandrillon (DRACULA, LBMC UMR 5239), Fabien Crauste (DRACULA, ICJ)
Model-based assessment of the Role of Uneven Partitioning of Molecular Content on Heterogeneity and Regulation of Differentiation in CD8 T-cell Immune Responses
Frontiers in Immunology, Frontiers, In press
null
10.3389/fimmu.2019.00230
null
q-bio.CB
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Activation of naive CD8 T-cells can lead to the generation of multiple effector and memory subsets. Multiple parameters associated with activation conditions are involved in generating this diversity that is associated with heterogeneous molecular contents of activated cells. Although naive cell polarisation upon ant...
[ { "created": "Thu, 7 Feb 2019 15:01:31 GMT", "version": "v1" } ]
2019-03-05
[ [ "Girel", "Simon", "", "ICJ, DRACULA" ], [ "Arpin", "Christophe", "", "CIRI" ], [ "Marvel", "Jacqueline", "", "CIRI" ], [ "Gandrillon", "Olivier", "", "DRACULA, LBMC UMR 5239" ], [ "Crauste", "Fabien", "", "DRACULA,\n ...
Activation of naive CD8 T-cells can lead to the generation of multiple effector and memory subsets. Multiple parameters associated with activation conditions are involved in generating this diversity that is associated with heterogeneous molecular contents of activated cells. Although naive cell polarisation upon antig...
0909.1935
Natalja Strelkowa
Natalja Strelkowa, Mauricio Barahona
Switchable Genetic Oscillator Operating in Quasi-Stable Mode
24 pages, 5 main figures
null
10.1098/rsif.2009.0487
null
q-bio.MN
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Ring topologies of repressing genes have qualitatively different long-term dynamics if the number of genes is odd (they oscillate) or even (they exhibit bistability). However, these attractors may not fully explain the observed behavior in transient and stochastic environments such as the cell. We show here that even...
[ { "created": "Thu, 10 Sep 2009 12:31:34 GMT", "version": "v1" }, { "created": "Thu, 19 Nov 2009 21:06:04 GMT", "version": "v2" } ]
2010-01-22
[ [ "Strelkowa", "Natalja", "" ], [ "Barahona", "Mauricio", "" ] ]
Ring topologies of repressing genes have qualitatively different long-term dynamics if the number of genes is odd (they oscillate) or even (they exhibit bistability). However, these attractors may not fully explain the observed behavior in transient and stochastic environments such as the cell. We show here that even r...
1909.07540
Yuri A. Dabaghian
Yuri Dabaghian
Topological stability of the hippocampal spatial map and synaptic transience
14 pages, 4 figures
null
null
null
q-bio.NC
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Spatial awareness in mammals is based on internalized representations of the environment---cognitive maps---encoded by networks of spiking neurons. Although behavioral studies suggest that these maps can remain stable for long periods, it is also well-known that the underlying networks of synaptic connections constan...
[ { "created": "Tue, 17 Sep 2019 01:17:22 GMT", "version": "v1" } ]
2019-09-18
[ [ "Dabaghian", "Yuri", "" ] ]
Spatial awareness in mammals is based on internalized representations of the environment---cognitive maps---encoded by networks of spiking neurons. Although behavioral studies suggest that these maps can remain stable for long periods, it is also well-known that the underlying networks of synaptic connections constantl...
1812.08328
Duc Nguyen
Duc Duy Nguyen, Guo-Wei Wei
Algebraic graph learning of protein-ligand binding affinity
13 pages, 6 figures
null
null
null
q-bio.BM
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Although algebraic graph theory based models have been widely applied in physical modeling and molecular studies, they are typically incompetent in the analysis and prediction of biomolecular properties when compared with other quantitative approaches. There is a need to explore the capability and limitation of algeb...
[ { "created": "Thu, 20 Dec 2018 02:33:47 GMT", "version": "v1" } ]
2018-12-21
[ [ "Nguyen", "Duc Duy", "" ], [ "Wei", "Guo-Wei", "" ] ]
Although algebraic graph theory based models have been widely applied in physical modeling and molecular studies, they are typically incompetent in the analysis and prediction of biomolecular properties when compared with other quantitative approaches. There is a need to explore the capability and limitation of algebra...
2104.01279
John Zobolas
John Zobolas, Pedro T. Monteiro, Martin Kuiper and {\AA}smund Flobak
Boolean function metrics can assist modelers to check and choose logical rules
30 pages, 4 Figures, 3 Tables
Journal of Theoretical Biology 109 (2022)
10.1016/j.jtbi.2022.111025
null
q-bio.MN
http://creativecommons.org/licenses/by/4.0/
Computational models of biological processes provide one of the most powerful methods for a detailed analysis of the mechanisms that drive the behavior of complex systems. Logic-based modeling has enhanced our understanding and interpretation of those systems. Defining rules that determine how the output activity of ...
[ { "created": "Fri, 2 Apr 2021 23:58:42 GMT", "version": "v1" } ]
2022-02-08
[ [ "Zobolas", "John", "" ], [ "Monteiro", "Pedro T.", "" ], [ "Kuiper", "Martin", "" ], [ "Flobak", "Åsmund", "" ] ]
Computational models of biological processes provide one of the most powerful methods for a detailed analysis of the mechanisms that drive the behavior of complex systems. Logic-based modeling has enhanced our understanding and interpretation of those systems. Defining rules that determine how the output activity of bi...
0906.2232
Thomas Gurry
Thomas Gurry, Ozan Kahramanogullari, Robert G. Endres
Biophysical mechanism for Ras-nanocluster formation and signaling in plasma membrane
8 figures. PLoS ONE, in press
null
10.1371/journal.pone.0006148
null
q-bio.SC
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Ras GTPases are lipid-anchored G proteins which play a fundamental role in cell signaling processes. Electron micrographs of immunogold-labeled Ras have shown that membrane-bound Ras molecules segregate into nanocluster domains. Several models have been developed in attempts to obtain quantitative descriptions of nan...
[ { "created": "Fri, 12 Jun 2009 00:45:03 GMT", "version": "v1" } ]
2015-05-13
[ [ "Gurry", "Thomas", "" ], [ "Kahramanogullari", "Ozan", "" ], [ "Endres", "Robert G.", "" ] ]
Ras GTPases are lipid-anchored G proteins which play a fundamental role in cell signaling processes. Electron micrographs of immunogold-labeled Ras have shown that membrane-bound Ras molecules segregate into nanocluster domains. Several models have been developed in attempts to obtain quantitative descriptions of nanoc...
q-bio/0406009
Nicholas Chia
Ralf Bundschuh and Nicholas Chia
Finite Width Model Sequence Comparison
null
null
null
null
q-bio.QM
null
Sequence comparison is a widely used computational technique in modern molecular biology. In spite of the frequent use of sequence comparisons the important problem of assigning statistical significance to a given degree of similarity is still outstanding. Analytical approaches to filling this gap usually make use of...
[ { "created": "Thu, 3 Jun 2004 17:09:35 GMT", "version": "v1" } ]
2007-05-23
[ [ "Bundschuh", "Ralf", "" ], [ "Chia", "Nicholas", "" ] ]
Sequence comparison is a widely used computational technique in modern molecular biology. In spite of the frequent use of sequence comparisons the important problem of assigning statistical significance to a given degree of similarity is still outstanding. Analytical approaches to filling this gap usually make use of a...
2211.13673
Celine Teplitsky
David L\'opez-Idi\'aquez (CEFE), C\'eline Teplitsky (CEFE), Arnaud Gr\'egoire (CEFE), Am\'elie Fargevieille (CEFE), Mar\'ia del Rey (CEFE), Christophe de Franceschi (CEFE), Anne Charmantier (CEFE), Claire Doutrelant (CEFE)
Long-Term Decrease in Coloration: A Consequence of Climate Change?
null
The American Naturalist, 2022, 200 (1), pp.32-47
10.1086/719655
null
q-bio.PE
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Climate change has been shown to affect fitness-related traits in a wide range of taxa; for instance, warming leads to phenological advancements in many plant and animal species. The influence of climate change on social and secondary sexual traits, that are associated with fitness due to their role as quality signal...
[ { "created": "Thu, 24 Nov 2022 15:39:46 GMT", "version": "v1" } ]
2022-11-28
[ [ "López-Idiáquez", "David", "", "CEFE" ], [ "Teplitsky", "Céline", "", "CEFE" ], [ "Grégoire", "Arnaud", "", "CEFE" ], [ "Fargevieille", "Amélie", "", "CEFE" ], [ "del Rey", "María", "", "CEFE" ], [ "de Francesc...
Climate change has been shown to affect fitness-related traits in a wide range of taxa; for instance, warming leads to phenological advancements in many plant and animal species. The influence of climate change on social and secondary sexual traits, that are associated with fitness due to their role as quality signals,...
1910.01726
Jianhong Chen
Jianhong Chen, Huang Huang, Wenrui Hao, Jinchao Xu
A machine learning method correlating pulse pressure wave data with pregnancy
null
null
null
null
q-bio.QM cs.LG eess.IV
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Pulse feeling, representing the tactile arterial palpation of the heartbeat, has been widely used in traditional Chinese medicine (TCM) to diagnose various diseases. The quantitative relationship between the pulse wave and health conditions however has not been investigated in modern medicine. In this paper, we explo...
[ { "created": "Thu, 3 Oct 2019 21:35:05 GMT", "version": "v1" } ]
2019-10-07
[ [ "Chen", "Jianhong", "" ], [ "Huang", "Huang", "" ], [ "Hao", "Wenrui", "" ], [ "Xu", "Jinchao", "" ] ]
Pulse feeling, representing the tactile arterial palpation of the heartbeat, has been widely used in traditional Chinese medicine (TCM) to diagnose various diseases. The quantitative relationship between the pulse wave and health conditions however has not been investigated in modern medicine. In this paper, we explore...
0802.1902
Nicolas Vuillerme
Nicolas Vuillerme (TIMC), Nicolas Pinsault (TIMC), Jacques Vaillant (TIMC)
Postural control during quiet standing following cervical muscular fatigue: effects of changes in sensory inputs
null
Neuroscience Letters 378, 3 (2005) 135-9
10.1016/j.neulet.2004.12.024
null
q-bio.NC
null
The purpose of the present experiment was to investigate the effects of cervical muscular fatigue on postural control during quiet standing under different conditions of reliability and/or availability of somatosensory inputs from the plantar soles and the ankles and visual information. To this aim, 14 young healthy ...
[ { "created": "Wed, 13 Feb 2008 20:08:49 GMT", "version": "v1" } ]
2008-02-14
[ [ "Vuillerme", "Nicolas", "", "TIMC" ], [ "Pinsault", "Nicolas", "", "TIMC" ], [ "Vaillant", "Jacques", "", "TIMC" ] ]
The purpose of the present experiment was to investigate the effects of cervical muscular fatigue on postural control during quiet standing under different conditions of reliability and/or availability of somatosensory inputs from the plantar soles and the ankles and visual information. To this aim, 14 young healthy ad...
1704.03150
Sang-Yoon Kim
Sang-Yoon Kim and Woochang Lim
Stochastic Spike Synchronization in A Small-World Neural Network with Spike-Timing-Dependent Plasticity
null
null
null
null
q-bio.NC
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We consider the Watts-Strogatz small-world network consisting of subthreshold neurons which exhibit noise-induced spikings. This neuronal network has adaptive dynamic synaptic strengths governed by the spike-timing-dependent plasticity (STDP). In previous works without STDP, stochastic spike synchronization (SSS) bet...
[ { "created": "Tue, 11 Apr 2017 05:42:39 GMT", "version": "v1" }, { "created": "Wed, 12 Apr 2017 01:56:32 GMT", "version": "v2" }, { "created": "Thu, 13 Apr 2017 02:27:33 GMT", "version": "v3" }, { "created": "Mon, 14 Aug 2017 19:16:44 GMT", "version": "v4" } ]
2017-08-16
[ [ "Kim", "Sang-Yoon", "" ], [ "Lim", "Woochang", "" ] ]
We consider the Watts-Strogatz small-world network consisting of subthreshold neurons which exhibit noise-induced spikings. This neuronal network has adaptive dynamic synaptic strengths governed by the spike-timing-dependent plasticity (STDP). In previous works without STDP, stochastic spike synchronization (SSS) betwe...
2405.03601
Tatiana Levanova
Sergey V. Stasenko, Sergey M. Olenin, Eugene A. Grines, Tatiana A. Levanova
Firing rate model for brain rhythms controlled by astrocytes
12 pages, 4 figures
null
null
null
q-bio.NC
http://creativecommons.org/licenses/by/4.0/
We propose a new mean-field model of brain rhythms governed by astrocytes. This theoretical framework describes how astrocytes can regulate neuronal activity and contribute to the generation of brain rhythms. The model describes at the population level the interactions between two large groups of excitatory and inhib...
[ { "created": "Mon, 6 May 2024 16:14:19 GMT", "version": "v1" } ]
2024-05-07
[ [ "Stasenko", "Sergey V.", "" ], [ "Olenin", "Sergey M.", "" ], [ "Grines", "Eugene A.", "" ], [ "Levanova", "Tatiana A.", "" ] ]
We propose a new mean-field model of brain rhythms governed by astrocytes. This theoretical framework describes how astrocytes can regulate neuronal activity and contribute to the generation of brain rhythms. The model describes at the population level the interactions between two large groups of excitatory and inhibit...
1401.6004
Clinton Goss Ph.D.
Eric B. Miller and Clinton F. Goss
An Exploration of Physiological Responses to the Native American Flute
17 pages, 7 figures, 4 tables, presented at ISQRMM 2013, Athens, GA, July 26, 2013
null
null
null
q-bio.QM
http://creativecommons.org/licenses/by-nc-sa/3.0/
This pilot study explored physiological responses to playing and listening to the Native American flute. Autonomic, electroencephalographic (EEG), and heart rate variability (HRV) metrics were recorded while participants (N = 15) played flutes and listened to several styles of music. Flute playing was accompanied by ...
[ { "created": "Wed, 22 Jan 2014 02:44:01 GMT", "version": "v1" }, { "created": "Fri, 24 Jan 2014 03:57:28 GMT", "version": "v2" } ]
2014-01-27
[ [ "Miller", "Eric B.", "" ], [ "Goss", "Clinton F.", "" ] ]
This pilot study explored physiological responses to playing and listening to the Native American flute. Autonomic, electroencephalographic (EEG), and heart rate variability (HRV) metrics were recorded while participants (N = 15) played flutes and listened to several styles of music. Flute playing was accompanied by an...
1511.06546
Antti Honkela
Aravind Sankar, Brandon Malone, Sion Bayliss, Ben Pascoe, Guillaume M\'eric, Matthew D. Hitchings, Samuel K. Sheppard, Edward J. Feil, Jukka Corander and Antti Honkela
Bayesian identification of bacterial strains from sequencing data
16 pages, 7 figures
null
null
null
q-bio.GN q-bio.QM stat.AP
http://creativecommons.org/licenses/by/4.0/
Rapidly assaying the diversity of a bacterial species present in a sample obtained from a hospital patient or an evironmental source has become possible after recent technological advances in DNA sequencing. For several applications it is important to accurately identify the presence and estimate relative abundances ...
[ { "created": "Fri, 20 Nov 2015 10:12:06 GMT", "version": "v1" }, { "created": "Wed, 17 Feb 2016 17:16:45 GMT", "version": "v2" } ]
2016-02-18
[ [ "Sankar", "Aravind", "" ], [ "Malone", "Brandon", "" ], [ "Bayliss", "Sion", "" ], [ "Pascoe", "Ben", "" ], [ "Méric", "Guillaume", "" ], [ "Hitchings", "Matthew D.", "" ], [ "Sheppard", "Samuel K.", "" ]...
Rapidly assaying the diversity of a bacterial species present in a sample obtained from a hospital patient or an evironmental source has become possible after recent technological advances in DNA sequencing. For several applications it is important to accurately identify the presence and estimate relative abundances of...
1301.0960
Amy Maxmen
Amy Maxmen
Sea Spider development: How the encysting Anoplodactylus eroticus matures from a buoyant nymph to a grounded adult
null
null
null
null
q-bio.PE
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
In order to understand how animals evolved over time, biologists must learn how their body parts form during their development. The following is a detailed description of how one species of sea spider transforms from a hatchling to an 8-legged adult. Pycnogonids, or sea spiders, comprise a primitive lineage of arthro...
[ { "created": "Sun, 6 Jan 2013 02:29:53 GMT", "version": "v1" } ]
2013-01-08
[ [ "Maxmen", "Amy", "" ] ]
In order to understand how animals evolved over time, biologists must learn how their body parts form during their development. The following is a detailed description of how one species of sea spider transforms from a hatchling to an 8-legged adult. Pycnogonids, or sea spiders, comprise a primitive lineage of arthropo...
2006.16379
Ian Craig
Laurentz E. Olivier, Stefan Botha and Ian K. Craig
Optimized lockdown strategies for curbing the spread of COVID-19: A South African case study
11 pages, 7 figures, 4 tables
null
10.1109/ACCESS.2020.3037415
null
q-bio.PE physics.soc-ph
http://creativecommons.org/licenses/by-nc-nd/4.0/
To curb the spread of COVID-19, many governments around the world have implemented tiered lockdowns with varying degrees of stringency. Lockdown levels are typically increased when the disease spreads and reduced when the disease abates. A predictive control approach is used to develop optimized lockdown strategies f...
[ { "created": "Mon, 29 Jun 2020 20:59:08 GMT", "version": "v1" }, { "created": "Fri, 13 Nov 2020 06:58:52 GMT", "version": "v2" } ]
2020-11-16
[ [ "Olivier", "Laurentz E.", "" ], [ "Botha", "Stefan", "" ], [ "Craig", "Ian K.", "" ] ]
To curb the spread of COVID-19, many governments around the world have implemented tiered lockdowns with varying degrees of stringency. Lockdown levels are typically increased when the disease spreads and reduced when the disease abates. A predictive control approach is used to develop optimized lockdown strategies for...
1304.1865
Alessandro Torcini Dr
Kaare Mikkelsen, Alberto Imparato, Alessandro Torcini
Emergence of slow collective oscillations in neural networks with spike timing dependent plasticity
8 pages, 6 figures to appear in Physical Review Letters plus additional material
Phys. Rev. Lett. 110, 208101 (2013)
10.1103/PhysRevLett.110.208101
null
q-bio.NC cond-mat.dis-nn
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The collective dynamics of excitatory pulse coupled neurons with spike timing dependent plasticity (STDP) is studied. The introduction of STDP induces persistent irregular oscillations between strongly and weakly synchronized states, reminiscent of brain activity during slow-wave sleep. We explain the oscillations by...
[ { "created": "Sat, 6 Apr 2013 08:18:24 GMT", "version": "v1" }, { "created": "Wed, 24 Apr 2013 17:32:48 GMT", "version": "v2" } ]
2013-05-21
[ [ "Mikkelsen", "Kaare", "" ], [ "Imparato", "Alberto", "" ], [ "Torcini", "Alessandro", "" ] ]
The collective dynamics of excitatory pulse coupled neurons with spike timing dependent plasticity (STDP) is studied. The introduction of STDP induces persistent irregular oscillations between strongly and weakly synchronized states, reminiscent of brain activity during slow-wave sleep. We explain the oscillations by a...
1310.7501
Daniel Beard
Jason N. Bazil, Karl D. Stamm, Xing Li, Timothy J. Nelson, Aoy Tomita-Mitchell, and Daniel A. Beard
The Inferred Cardiogenic Gene Regulatory Network in the Mammalian Heart
18 pages; 4 figures
null
10.1371/journal.pone.0100842
null
q-bio.MN
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Cardiac development is complex, multiscale process encompassing cell fate adoption, differentiation and morphogenesis. To elucidate pathways underlying this process, a recently developed algorithm to reverse engineer gene regulatory networks was applied to time-course microarray data obtained from the developing mous...
[ { "created": "Mon, 28 Oct 2013 17:21:53 GMT", "version": "v1" } ]
2017-02-08
[ [ "Bazil", "Jason N.", "" ], [ "Stamm", "Karl D.", "" ], [ "Li", "Xing", "" ], [ "Nelson", "Timothy J.", "" ], [ "Tomita-Mitchell", "Aoy", "" ], [ "Beard", "Daniel A.", "" ] ]
Cardiac development is complex, multiscale process encompassing cell fate adoption, differentiation and morphogenesis. To elucidate pathways underlying this process, a recently developed algorithm to reverse engineer gene regulatory networks was applied to time-course microarray data obtained from the developing mouse ...
2306.10905
Mattia Miotto
Mattia Miotto, Simone Scalise, Marco Leonetti, Giancarlo Ruocco, Giovanna Peruzzi, Giorgio Gosti
Determining cancer cells division strategy
16 pages, 5 figures
null
null
null
q-bio.CB physics.bio-ph
http://creativecommons.org/licenses/by-nc-sa/4.0/
Heterogeneity in the size distribution of cancer cell populations has been recently linked to drug resistance and invasiveness. However, despite many progresses have been made in understanding how such heterogeneous size distributions arise in fast-proliferating cell types -like bacteria and yeast-, comprehensive inv...
[ { "created": "Mon, 19 Jun 2023 13:05:30 GMT", "version": "v1" }, { "created": "Fri, 20 Oct 2023 10:29:25 GMT", "version": "v2" } ]
2023-10-23
[ [ "Miotto", "Mattia", "" ], [ "Scalise", "Simone", "" ], [ "Leonetti", "Marco", "" ], [ "Ruocco", "Giancarlo", "" ], [ "Peruzzi", "Giovanna", "" ], [ "Gosti", "Giorgio", "" ] ]
Heterogeneity in the size distribution of cancer cell populations has been recently linked to drug resistance and invasiveness. However, despite many progresses have been made in understanding how such heterogeneous size distributions arise in fast-proliferating cell types -like bacteria and yeast-, comprehensive inves...
2006.14304
Irina Higgins
Irina Higgins, Le Chang, Victoria Langston, Demis Hassabis, Christopher Summerfield, Doris Tsao, Matthew Botvinick
Unsupervised deep learning identifies semantic disentanglement in single inferotemporal neurons
null
null
10.1038/s41467-021-26751-5
null
q-bio.NC
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Deep supervised neural networks trained to classify objects have emerged as popular models of computation in the primate ventral stream. These models represent information with a high-dimensional distributed population code, implying that inferotemporal (IT) responses are also too complex to interpret at the single-n...
[ { "created": "Thu, 25 Jun 2020 10:50:51 GMT", "version": "v1" } ]
2022-01-19
[ [ "Higgins", "Irina", "" ], [ "Chang", "Le", "" ], [ "Langston", "Victoria", "" ], [ "Hassabis", "Demis", "" ], [ "Summerfield", "Christopher", "" ], [ "Tsao", "Doris", "" ], [ "Botvinick", "Matthew", "" ] ...
Deep supervised neural networks trained to classify objects have emerged as popular models of computation in the primate ventral stream. These models represent information with a high-dimensional distributed population code, implying that inferotemporal (IT) responses are also too complex to interpret at the single-neu...
1309.5076
Wilten Nicola
Wilten Nicola and Sue Ann Campbell
Mean-Field Models for Heterogeneous Networks of Two-Dimensional Integrate and Fire Models
39 pages, 12 figures
null
null
null
q-bio.NC
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We analytically derive mean-field models for all-to-all coupled networks of heterogeneous, adapting, two-dimensional integrate and fire neurons. The class of models we consider includes the Izhikevich, adaptive exponential, and quartic integrate and fire models. The heterogeneity in the parameters leads to different ...
[ { "created": "Thu, 19 Sep 2013 19:23:37 GMT", "version": "v1" } ]
2013-09-20
[ [ "Nicola", "Wilten", "" ], [ "Campbell", "Sue Ann", "" ] ]
We analytically derive mean-field models for all-to-all coupled networks of heterogeneous, adapting, two-dimensional integrate and fire neurons. The class of models we consider includes the Izhikevich, adaptive exponential, and quartic integrate and fire models. The heterogeneity in the parameters leads to different mo...
1503.07998
Benjamin Schmid
Benjamin Schmid and Jan Huisken
Real-time multi-view deconvolution
8 pages, 5 figures, submitted to Bioinformatics
null
null
null
q-bio.QM cs.CV
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
In light-sheet microscopy, overall image content and resolution are improved by acquiring and fusing multiple views of the sample from different directions. State-of-the-art multi-view (MV) deconvolution employs the point spread functions (PSF) of the different views to simultaneously fuse and deconvolve the images i...
[ { "created": "Fri, 27 Mar 2015 09:17:27 GMT", "version": "v1" } ]
2015-03-30
[ [ "Schmid", "Benjamin", "" ], [ "Huisken", "Jan", "" ] ]
In light-sheet microscopy, overall image content and resolution are improved by acquiring and fusing multiple views of the sample from different directions. State-of-the-art multi-view (MV) deconvolution employs the point spread functions (PSF) of the different views to simultaneously fuse and deconvolve the images in ...
2306.14080
Qianqian Wang
Qianqian Wang, Wei Wang, Yuqi Fang, P.-T. Yap, Hongtu Zhu, Hong-Jun Li, Lishan Qiao and Mingxia Liu
Leveraging Brain Modularity Prior for Interpretable Representation Learning of fMRI
null
null
null
null
q-bio.QM cs.LG q-bio.NC
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Resting-state functional magnetic resonance imaging (rs-fMRI) can reflect spontaneous neural activities in brain and is widely used for brain disorder analysis.Previous studies propose to extract fMRI representations through diverse machine/deep learning methods for subsequent analysis. But the learned features typic...
[ { "created": "Sat, 24 Jun 2023 23:45:47 GMT", "version": "v1" } ]
2023-06-27
[ [ "Wang", "Qianqian", "" ], [ "Wang", "Wei", "" ], [ "Fang", "Yuqi", "" ], [ "Yap", "P. -T.", "" ], [ "Zhu", "Hongtu", "" ], [ "Li", "Hong-Jun", "" ], [ "Qiao", "Lishan", "" ], [ "Liu", "Mingxia",...
Resting-state functional magnetic resonance imaging (rs-fMRI) can reflect spontaneous neural activities in brain and is widely used for brain disorder analysis.Previous studies propose to extract fMRI representations through diverse machine/deep learning methods for subsequent analysis. But the learned features typical...
2008.00131
Rebekah Rogers
Rebekah L. Rogers, Stephanie L. Grizzard, James E. Titus-McQuillan, Katherine Bockrath, Sagar Patel, John P. Wares, Jeffrey T. Garner, Cathy C. Moore
Gene family amplification facilitates adaptation in freshwater Unionid bivalve Megalonaias nervosa
Main text 42 pages, 1 table 8 figures; SI 12 pages, 8 tables, 2 figures; Gene tree phylogenies added to directly address incomplete lineage sorting
null
10.1111/mec.15786
null
q-bio.GN q-bio.PE
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
As organisms are faced with intense rapidly changing selective pressures, new genetic material is required to facilitate adaptation. Among sources of genetic novelty, gene duplications and transposable elements (TEs) offer new genes or new regulatory patterns that can facilitate evolutionary change. With advances in ...
[ { "created": "Sat, 1 Aug 2020 00:22:50 GMT", "version": "v1" }, { "created": "Mon, 16 Nov 2020 15:33:19 GMT", "version": "v2" } ]
2021-01-06
[ [ "Rogers", "Rebekah L.", "" ], [ "Grizzard", "Stephanie L.", "" ], [ "Titus-McQuillan", "James E.", "" ], [ "Bockrath", "Katherine", "" ], [ "Patel", "Sagar", "" ], [ "Wares", "John P.", "" ], [ "Garner", "Jeffr...
As organisms are faced with intense rapidly changing selective pressures, new genetic material is required to facilitate adaptation. Among sources of genetic novelty, gene duplications and transposable elements (TEs) offer new genes or new regulatory patterns that can facilitate evolutionary change. With advances in ge...
2406.00382
Michele Piana
Davide Parodi, Edoardo Dighero, Giorgia Biddau, Francesca D'Amico, Matteo Bauckneht, Cecilia Marini, Sara Garbarino, Cristina Campi, Michele Piana, Gianmario Sambuceti
Localized FDG loss in lung cancer lesions
null
null
null
null
q-bio.TO stat.AP
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Purpose: Analysis of [18F]-Fluorodeoxyglucose (FDG) kinetics in cancer has been most often limited to the evaluation of the average uptake over relatively large volumes. Nevertheless, tumor lesion almost contains inflammatory infiltrates whose cells are characterized by a significant radioactivity washout due to the ...
[ { "created": "Sat, 1 Jun 2024 09:41:48 GMT", "version": "v1" } ]
2024-06-04
[ [ "Parodi", "Davide", "" ], [ "Dighero", "Edoardo", "" ], [ "Biddau", "Giorgia", "" ], [ "D'Amico", "Francesca", "" ], [ "Bauckneht", "Matteo", "" ], [ "Marini", "Cecilia", "" ], [ "Garbarino", "Sara", "" ]...
Purpose: Analysis of [18F]-Fluorodeoxyglucose (FDG) kinetics in cancer has been most often limited to the evaluation of the average uptake over relatively large volumes. Nevertheless, tumor lesion almost contains inflammatory infiltrates whose cells are characterized by a significant radioactivity washout due to the hy...
2005.09108
Sebastian Lotter
Sebastian Lotter, Arman Ahmadzadeh, Robert Schober
Synaptic Channel Modeling for DMC: Neurotransmitter Uptake and Spillover in the Tripartite Synapse
42 pages, 8 figures, 1 table. Accepted for publication in IEEE Transactions on Communications. This article is the extended version of the conference paper arXiv:1912.04025
null
10.1109/TCOMM.2020.3040318
null
q-bio.SC cs.IT math.IT
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
In Diffusive Molecular Communication (DMC), information is transmitted by diffusing molecules. Synaptic signaling, as a natural implementation of this paradigm, encompasses functional components that, once understood, can facilitate the development of synthetic DMC systems. To unleash this potential, however, a thoro...
[ { "created": "Mon, 18 May 2020 21:52:56 GMT", "version": "v1" }, { "created": "Wed, 25 Nov 2020 12:26:08 GMT", "version": "v2" } ]
2020-11-26
[ [ "Lotter", "Sebastian", "" ], [ "Ahmadzadeh", "Arman", "" ], [ "Schober", "Robert", "" ] ]
In Diffusive Molecular Communication (DMC), information is transmitted by diffusing molecules. Synaptic signaling, as a natural implementation of this paradigm, encompasses functional components that, once understood, can facilitate the development of synthetic DMC systems. To unleash this potential, however, a thoroug...
1212.4996
Alberto d'Onofrio
Sebastiano de Franciscis and Alberto d'Onofrio
Cellular polarization: interaction between extrinsic bounded noises and wave-pinning mechanism
21 pages, 9 figures
null
10.1103/PhysRevE.88.032709
null
q-bio.MN cond-mat.stat-mech nlin.PS q-bio.CB
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Cued and un-cued cell polarization is a fundamental mechanism in cell biology. As an alternative to the classical Turing bifurcation, it has been proposed that the cell polarity might onset by means of the well-known phenomenon of wave-pinning (Gamba et al, PNAS, 2005). A particularly simple and elegant model of wave...
[ { "created": "Thu, 20 Dec 2012 11:57:57 GMT", "version": "v1" } ]
2015-06-12
[ [ "de Franciscis", "Sebastiano", "" ], [ "d'Onofrio", "Alberto", "" ] ]
Cued and un-cued cell polarization is a fundamental mechanism in cell biology. As an alternative to the classical Turing bifurcation, it has been proposed that the cell polarity might onset by means of the well-known phenomenon of wave-pinning (Gamba et al, PNAS, 2005). A particularly simple and elegant model of wave-p...
2209.01792
Tobias Paul
Jochen Blath, Tobias Paul, Andr\'as Tobi\'as, Maite Wilke Berenguer
The impact of dormancy on evolutionary branching
17 pages, 6 figures
null
null
null
q-bio.PE math.PR
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
In this paper, we investigate the consequences of dormancy in the `rare mutation' and `large population' regime of stochastic adaptive dynamics. Starting from an individual-based micro-model, we first derive the polymorphic evolution sequence of the population, based on previous work by Baar and Bovier (2018). After ...
[ { "created": "Mon, 5 Sep 2022 07:03:02 GMT", "version": "v1" } ]
2022-09-07
[ [ "Blath", "Jochen", "" ], [ "Paul", "Tobias", "" ], [ "Tobiás", "András", "" ], [ "Berenguer", "Maite Wilke", "" ] ]
In this paper, we investigate the consequences of dormancy in the `rare mutation' and `large population' regime of stochastic adaptive dynamics. Starting from an individual-based micro-model, we first derive the polymorphic evolution sequence of the population, based on previous work by Baar and Bovier (2018). After pa...
1605.07792
Mark Leake
Zhaokun Zhou, Mark C. Leake
Force spectroscopy in studying infection
null
null
null
null
q-bio.BM physics.bio-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Biophysical force spectroscopy tools - for example optical tweezers, magnetic tweezers, atomic force microscopy, - have been used to study elastic, mechanical, conformational and dynamic properties of single biological specimens from single proteins to whole cells to reveal information not accessible by ensemble aver...
[ { "created": "Wed, 25 May 2016 09:19:50 GMT", "version": "v1" } ]
2016-06-09
[ [ "Zhou", "Zhaokun", "" ], [ "Leake", "Mark C.", "" ] ]
Biophysical force spectroscopy tools - for example optical tweezers, magnetic tweezers, atomic force microscopy, - have been used to study elastic, mechanical, conformational and dynamic properties of single biological specimens from single proteins to whole cells to reveal information not accessible by ensemble averag...
1308.2547
Bal\'azs Madas
Bal\'azs G. Madas, Katalin Varga
Biophysical modelling of the effects of inhaled radon progeny on the bronchial epithelium for the estimation of the relationships applied in the two stage clonal expansion model of carcinogenesis
paper presented in the conference EPRBioDose2013 (Leiden, the Netherlands, March 24-28, 2013) and submitted to Radiation Protection Dosimetry published by Oxford University Press, 9 pages, 4 figures
null
10.1093/rpd/ncu125
null
q-bio.TO physics.med-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
There is a considerable debate between research groups applying the two stage clonal expansion model for lung cancer risk estimation, whether radon exposure affects initiation and transformation or promotion. The objective of the present study is to quantify the effects of radon progeny on these stages with biophysic...
[ { "created": "Mon, 12 Aug 2013 13:03:27 GMT", "version": "v1" } ]
2014-04-23
[ [ "Madas", "Balázs G.", "" ], [ "Varga", "Katalin", "" ] ]
There is a considerable debate between research groups applying the two stage clonal expansion model for lung cancer risk estimation, whether radon exposure affects initiation and transformation or promotion. The objective of the present study is to quantify the effects of radon progeny on these stages with biophysical...
1907.03223
Johannes Kleiner
Johannes Kleiner
Mathematical Models of Consciousness
null
null
10.3390/e22060609
null
q-bio.NC
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
In recent years, promising mathematical models have been suggested which aim to describe conscious experience and its relation to the physical domain. Whereas the axioms and metaphysical ideas of these theories have been carefully motivated, their mathematical formalism has not. In this article we aim to remedy this ...
[ { "created": "Sun, 7 Jul 2019 05:35:24 GMT", "version": "v1" }, { "created": "Mon, 20 Apr 2020 10:44:33 GMT", "version": "v2" } ]
2020-07-15
[ [ "Kleiner", "Johannes", "" ] ]
In recent years, promising mathematical models have been suggested which aim to describe conscious experience and its relation to the physical domain. Whereas the axioms and metaphysical ideas of these theories have been carefully motivated, their mathematical formalism has not. In this article we aim to remedy this si...
0906.0756
Jorge F. Mejias
Jorge F. Mejias, Joaquin J. Torres
Emergence of resonances in neural systems: the interplay between threshold adaptation and short-term synaptic plasticity
24 pages, 8 figures, submitted to Neural Computation
null
null
null
q-bio.NC
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
In this work we study the detection of weak stimuli by spiking neurons in the presence of certain level of noisy background neural activity. Our study has focused in the realistic assumption that the synapses in the network present activity-dependent processes, such as short-term synaptic depression and facilitation....
[ { "created": "Wed, 3 Jun 2009 17:58:27 GMT", "version": "v1" } ]
2009-06-04
[ [ "Mejias", "Jorge F.", "" ], [ "Torres", "Joaquin J.", "" ] ]
In this work we study the detection of weak stimuli by spiking neurons in the presence of certain level of noisy background neural activity. Our study has focused in the realistic assumption that the synapses in the network present activity-dependent processes, such as short-term synaptic depression and facilitation. E...
2008.08667
Bernadette Stolz
Bernadette J. Stolz, Jakob Kaeppler, Bostjan Markelc, Franziska Mech, Florian Lipsmeier, Ruth J. Muschel, Helen M. Byrne, Heather A. Harrington
Multiscale Topology Characterises Dynamic Tumour Vascular Networks
null
null
null
null
q-bio.QM math.AT q-bio.TO
http://creativecommons.org/licenses/by/4.0/
Advances in imaging techniques enable high resolution 3D visualisation of vascular networks over time and reveal abnormal structural features such as twists and loops, and their quantification is an active area of research. Here we showcase how topological data analysis (TDA), the mathematical field that studies `sha...
[ { "created": "Wed, 19 Aug 2020 21:06:27 GMT", "version": "v1" }, { "created": "Tue, 22 Mar 2022 16:23:33 GMT", "version": "v2" }, { "created": "Tue, 26 Apr 2022 20:06:24 GMT", "version": "v3" } ]
2022-04-28
[ [ "Stolz", "Bernadette J.", "" ], [ "Kaeppler", "Jakob", "" ], [ "Markelc", "Bostjan", "" ], [ "Mech", "Franziska", "" ], [ "Lipsmeier", "Florian", "" ], [ "Muschel", "Ruth J.", "" ], [ "Byrne", "Helen M.", "...
Advances in imaging techniques enable high resolution 3D visualisation of vascular networks over time and reveal abnormal structural features such as twists and loops, and their quantification is an active area of research. Here we showcase how topological data analysis (TDA), the mathematical field that studies `shape...
1301.2694
Ian Dworkin
Chris H. Chandler, Sudarshan Chari and Ian Dworkin
Does your gene need a background check? How genetic background impacts the analysis of mutations, genes, and evolution
In review at Trends in Genetics
Trends in Genetics 2013 29(6):358-366
10.1016/j.tig.2013.01.009
null
q-bio.GN q-bio.MN
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The premise of genetic analysis is that a causal link exists between phenotypic and allelic variation. Yet it has long been documented that mutant phenotypes are not a simple result of a single DNA lesion, but rather are due to interactions of the focal allele with other genes and the environment. Although an experim...
[ { "created": "Sat, 12 Jan 2013 15:59:35 GMT", "version": "v1" } ]
2014-06-04
[ [ "Chandler", "Chris H.", "" ], [ "Chari", "Sudarshan", "" ], [ "Dworkin", "Ian", "" ] ]
The premise of genetic analysis is that a causal link exists between phenotypic and allelic variation. Yet it has long been documented that mutant phenotypes are not a simple result of a single DNA lesion, but rather are due to interactions of the focal allele with other genes and the environment. Although an experimen...
2301.08698
Laurent Evain
Laurent Evain, Jean-Jacques Loeb
Geometric approach for non pharmaceutical interventions in epidemiology
null
null
null
null
q-bio.PE
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Various non pharmaceutical interventions have been settled to minimise the burden of the COVID-19 outbreak. We build a framework to analyse the dynamics of non pharmaceutical interventions, to distinguish between mitigations measures leading to objective scientific improvements and mitigations based on both political...
[ { "created": "Fri, 20 Jan 2023 17:35:47 GMT", "version": "v1" } ]
2023-01-23
[ [ "Evain", "Laurent", "" ], [ "Loeb", "Jean-Jacques", "" ] ]
Various non pharmaceutical interventions have been settled to minimise the burden of the COVID-19 outbreak. We build a framework to analyse the dynamics of non pharmaceutical interventions, to distinguish between mitigations measures leading to objective scientific improvements and mitigations based on both political a...
2106.11799
Mos\`e Manni
Mos\`e Manni, Matthew R Berkeley, Mathieu Seppey, Felipe A Simao, Evgeny M Zdobnov
BUSCO update: novel and streamlined workflows along with broader and deeper phylogenetic coverage for scoring of eukaryotic, prokaryotic, and viral genomes
for supplementary files, see https://gitlab.com/ezlab/busco_preprint_2021
null
null
null
q-bio.GN q-bio.PE
http://creativecommons.org/licenses/by-nc-nd/4.0/
Methods for evaluating the quality of genomic and metagenomic data are essential to aid genome assembly and to correctly interpret the results of subsequent analyses. BUSCO estimates the completeness and redundancy of processed genomic data based on universal single-copy orthologs. Here we present new functionalities...
[ { "created": "Tue, 22 Jun 2021 14:12:18 GMT", "version": "v1" } ]
2021-06-23
[ [ "Manni", "Mosè", "" ], [ "Berkeley", "Matthew R", "" ], [ "Seppey", "Mathieu", "" ], [ "Simao", "Felipe A", "" ], [ "Zdobnov", "Evgeny M", "" ] ]
Methods for evaluating the quality of genomic and metagenomic data are essential to aid genome assembly and to correctly interpret the results of subsequent analyses. BUSCO estimates the completeness and redundancy of processed genomic data based on universal single-copy orthologs. Here we present new functionalities a...
1608.02621
Bohdan Khomtchouk
Bohdan B. Khomtchouk, Edmund Weitz, Claes Wahlestedt
The Machine that Builds Itself: How the Strengths of Lisp Family Languages Facilitate Building Complex and Flexible Bioinformatic Models
9 pages
Briefings in Bioinformatics, Volume 19, Issue 3, 2018, pp. 537-543
10.1093/bib/bbw130
null
q-bio.OT cs.SE
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We address the need for expanding the presence of the Lisp family of programming languages in bioinformatics and computational biology research. Languages of this family, like Common Lisp, Scheme, or Clojure, facilitate the creation of powerful and flexible software models that are required for complex and rapidly ev...
[ { "created": "Mon, 8 Aug 2016 20:58:32 GMT", "version": "v1" }, { "created": "Mon, 19 Sep 2016 03:29:49 GMT", "version": "v2" } ]
2021-02-03
[ [ "Khomtchouk", "Bohdan B.", "" ], [ "Weitz", "Edmund", "" ], [ "Wahlestedt", "Claes", "" ] ]
We address the need for expanding the presence of the Lisp family of programming languages in bioinformatics and computational biology research. Languages of this family, like Common Lisp, Scheme, or Clojure, facilitate the creation of powerful and flexible software models that are required for complex and rapidly evol...
1206.3340
Sree Vamsee Chintapalli dr
Sree V. Chintapalli, Gaurav Bhardwaj, Jagadish Babu, Loukia Hadjiyianni, Yoojin Hong, Zhenhai Zhang, Xiaofan Zhou, Hong Ma, Andriy Anishkin, Damian B. van Rossum, Randen L. Patterson
Extraction of Deep Phylogenetic Signal and Improved Resolution of Evolutionary Events within the recA/RAD51 Phylogeny
21 pages, 11 figures, 1 table
null
null
null
q-bio.GN q-bio.MN q-bio.PE q-bio.QM
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The recA/RAD51 gene family encodes a diverse set of recombinase proteins that effect homologous recombination, DNA-repair, and genome stability. The recA gene family is expressed in almost all species of Eubacteria, Archaea, and Eukaryotes, and even in some viruses. To date, efforts to resolve the deep evolutionary o...
[ { "created": "Thu, 14 Jun 2012 22:02:09 GMT", "version": "v1" } ]
2012-06-18
[ [ "Chintapalli", "Sree V.", "" ], [ "Bhardwaj", "Gaurav", "" ], [ "Babu", "Jagadish", "" ], [ "Hadjiyianni", "Loukia", "" ], [ "Hong", "Yoojin", "" ], [ "Zhang", "Zhenhai", "" ], [ "Zhou", "Xiaofan", "" ], ...
The recA/RAD51 gene family encodes a diverse set of recombinase proteins that effect homologous recombination, DNA-repair, and genome stability. The recA gene family is expressed in almost all species of Eubacteria, Archaea, and Eukaryotes, and even in some viruses. To date, efforts to resolve the deep evolutionary ori...
0709.0025
Ping Ao
P Ao
Borges Dilemma, Fundamental Laws, and Systems Biology
4 pages
null
null
null
q-bio.QM q-bio.OT
null
I reason here that the known folk law in biology that there is no general law in biology because of exceptions is false. The (quantitative) systems biology offers the potential to solve the Borges Dilemma, by transcending it. There have already a plenty of indications on this trend.
[ { "created": "Sat, 1 Sep 2007 00:16:45 GMT", "version": "v1" } ]
2007-09-04
[ [ "Ao", "P", "" ] ]
I reason here that the known folk law in biology that there is no general law in biology because of exceptions is false. The (quantitative) systems biology offers the potential to solve the Borges Dilemma, by transcending it. There have already a plenty of indications on this trend.
2307.13608
Marco Pegoraro
Marco Pegoraro, Cl\'ementine Domin\'e, Emanuele Rodol\`a, Petar Veli\v{c}kovi\'c, Andreea Deac
Geometric Epitope and Paratope Prediction
null
null
null
null
q-bio.BM cs.LG
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Antibody-antigen interactions play a crucial role in identifying and neutralizing harmful foreign molecules. In this paper, we investigate the optimal representation for predicting the binding sites in the two molecules and emphasize the importance of geometric information. Specifically, we compare different geometri...
[ { "created": "Sun, 28 May 2023 12:51:42 GMT", "version": "v1" } ]
2023-07-26
[ [ "Pegoraro", "Marco", "" ], [ "Dominé", "Clémentine", "" ], [ "Rodolà", "Emanuele", "" ], [ "Veličković", "Petar", "" ], [ "Deac", "Andreea", "" ] ]
Antibody-antigen interactions play a crucial role in identifying and neutralizing harmful foreign molecules. In this paper, we investigate the optimal representation for predicting the binding sites in the two molecules and emphasize the importance of geometric information. Specifically, we compare different geometric ...
2210.11478
Matthew Bryan
Matthew J. Bryan (1), Linxing Preston Jiang (1), Rajesh P N Rao (1) ((1) Neural Systems Laboratory, Paul G. Allen School of Computer Science & Engineering, University of Washington)
Neural Co-Processors for Restoring Brain Function: Results from a Cortical Model of Grasping
45 pages, 19 figures. Submitted the IOP Journal of Neural Engineering
null
null
null
q-bio.NC cs.AI
http://creativecommons.org/licenses/by/4.0/
Objective: A major challenge in designing closed-loop brain-computer interfaces is finding optimal stimulation patterns as a function of ongoing neural activity for different subjects and objectives. Approach: To achieve goal-directed closed-loop neurostimulation, we propose "neural co-processors" which use artificia...
[ { "created": "Wed, 19 Oct 2022 04:13:33 GMT", "version": "v1" }, { "created": "Mon, 20 Mar 2023 22:25:33 GMT", "version": "v2" } ]
2023-03-22
[ [ "Bryan", "Matthew J.", "" ], [ "Jiang", "Linxing Preston", "" ], [ "Rao", "Rajesh P N", "" ] ]
Objective: A major challenge in designing closed-loop brain-computer interfaces is finding optimal stimulation patterns as a function of ongoing neural activity for different subjects and objectives. Approach: To achieve goal-directed closed-loop neurostimulation, we propose "neural co-processors" which use artificial ...
2207.02014
Alexander Stewart
Saul Acevedo and Alexander J. Stewart
Eco-evolutionary tradeoffs in the dynamics of prion strain competition
null
null
null
null
q-bio.PE
http://creativecommons.org/licenses/by/4.0/
Prion and prion-like molecules are a type of self replicating aggregate protein that have been implicated in a variety of neurodegenerative diseases. Over recent decades the molecular dynamics of prions have been characterized both empirically and through mathematical models, providing insights into the epidemiology ...
[ { "created": "Tue, 5 Jul 2022 12:51:26 GMT", "version": "v1" } ]
2022-07-06
[ [ "Acevedo", "Saul", "" ], [ "Stewart", "Alexander J.", "" ] ]
Prion and prion-like molecules are a type of self replicating aggregate protein that have been implicated in a variety of neurodegenerative diseases. Over recent decades the molecular dynamics of prions have been characterized both empirically and through mathematical models, providing insights into the epidemiology of...
1611.00313
Joaquin Rapela
Joaquin Rapela and Marissa Westerfield and Jeanne Townsend and Scott Makeig
A new foreperiod effect on single-trial phase coherence. Part I: existence and relevance
null
null
null
null
q-bio.QM q-bio.NC
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Expecting events in time leads to more efficient behavior. A remarkable early finding in the study of temporal expectancy is the foreperiod effect on reaction times; i.e., the influence or reaction time of the time period between a warning signal and an imperative stimulus to which subjects are instructed to respond ...
[ { "created": "Fri, 26 Aug 2016 18:50:12 GMT", "version": "v1" } ]
2016-11-02
[ [ "Rapela", "Joaquin", "" ], [ "Westerfield", "Marissa", "" ], [ "Townsend", "Jeanne", "" ], [ "Makeig", "Scott", "" ] ]
Expecting events in time leads to more efficient behavior. A remarkable early finding in the study of temporal expectancy is the foreperiod effect on reaction times; i.e., the influence or reaction time of the time period between a warning signal and an imperative stimulus to which subjects are instructed to respond as...
2003.00327
Gerhard Mayer
Gerhard Mayer
Modelling techniques for biomolecular networks
44 pages
null
null
null
q-bio.MN
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
First we shortly review the different kinds of network modelling methods for systems biology with an emphasis on the different subtypes of logical models, which we review in more detail. Then we show the advantages of Boolean networks models over more mechanistic modelling types like differential equation techniques....
[ { "created": "Sat, 29 Feb 2020 18:42:56 GMT", "version": "v1" } ]
2020-03-03
[ [ "Mayer", "Gerhard", "" ] ]
First we shortly review the different kinds of network modelling methods for systems biology with an emphasis on the different subtypes of logical models, which we review in more detail. Then we show the advantages of Boolean networks models over more mechanistic modelling types like differential equation techniques. T...
1402.4063
Michael Goldberg
Byron C. Williams, Joshua J. Filter, Kristina A. Blake-Hodek, Brian E. Wadzinski, Nicholas J. Fuda, David Shalloway, and Michael L. Goldberg
Greatwall-phosphorylated Endosulfine is Both an Inhibitor and a Substrate of PP2A-B55 Heterotrimers
65 pages of text, 11 figures, 10 supplementary figures. This paper will be published in the journal eLife
null
null
null
q-bio.SC q-bio.MN
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
During M phase, Endosulfine (Endos) family proteins are phosphorylated by Greatwall kinase (Gwl), and the resultant pEndos inhibits the phosphatase PP2A-B55, which would otherwise prematurely reverse many CDK-driven phosphorylations. We show here that PP2A-B55 is the enzyme responsible for dephosphorylating pEndos du...
[ { "created": "Mon, 17 Feb 2014 17:10:42 GMT", "version": "v1" } ]
2014-02-18
[ [ "Williams", "Byron C.", "" ], [ "Filter", "Joshua J.", "" ], [ "Blake-Hodek", "Kristina A.", "" ], [ "Wadzinski", "Brian E.", "" ], [ "Fuda", "Nicholas J.", "" ], [ "Shalloway", "David", "" ], [ "Goldberg", "Mi...
During M phase, Endosulfine (Endos) family proteins are phosphorylated by Greatwall kinase (Gwl), and the resultant pEndos inhibits the phosphatase PP2A-B55, which would otherwise prematurely reverse many CDK-driven phosphorylations. We show here that PP2A-B55 is the enzyme responsible for dephosphorylating pEndos duri...
1709.04090
Yanjun Qi Dr.
Chandan Singh, Beilun Wang, Yanjun Qi
A Constrained, Weighted-L1 Minimization Approach for Joint Discovery of Heterogeneous Neural Connectivity Graphs
8 pages
null
null
null
q-bio.NC cs.LG
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Determining functional brain connectivity is crucial to understanding the brain and neural differences underlying disorders such as autism. Recent studies have used Gaussian graphical models to learn brain connectivity via statistical dependencies across brain regions from neuroimaging. However, previous studies ofte...
[ { "created": "Wed, 13 Sep 2017 00:05:20 GMT", "version": "v1" }, { "created": "Thu, 21 Sep 2017 15:18:23 GMT", "version": "v2" } ]
2017-09-22
[ [ "Singh", "Chandan", "" ], [ "Wang", "Beilun", "" ], [ "Qi", "Yanjun", "" ] ]
Determining functional brain connectivity is crucial to understanding the brain and neural differences underlying disorders such as autism. Recent studies have used Gaussian graphical models to learn brain connectivity via statistical dependencies across brain regions from neuroimaging. However, previous studies often ...
1407.2269
Krystyna Lukierska-Walasek
Krystyna Lukierska-Walasek, Krzysztof Topolski, Krzysztof Trojanowski
Statistical distributions and entropy considerations in gene codes
11 pages, 18 figures. arXiv admin note: text overlap with arXiv:1401.4561
null
null
null
q-bio.GN physics.bio-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
In our paper selected linguistic features of genomes to study the statistics of the gene codes are considered. We present the information theory from which it follows that if the system is described by distributions of hyperbolic type it leads to the possibility of entropy loss and stability. We show that the histogr...
[ { "created": "Fri, 4 Jul 2014 19:19:18 GMT", "version": "v1" } ]
2014-07-10
[ [ "Lukierska-Walasek", "Krystyna", "" ], [ "Topolski", "Krzysztof", "" ], [ "Trojanowski", "Krzysztof", "" ] ]
In our paper selected linguistic features of genomes to study the statistics of the gene codes are considered. We present the information theory from which it follows that if the system is described by distributions of hyperbolic type it leads to the possibility of entropy loss and stability. We show that the histogram...
q-bio/0309028
Bijan Pesaran
P. P. Mitra and B. Pesaran
Analysis of Dynamic Brain Imaging Data
40 pages; 26 figures with subparts including 3 figures as .gif files. Originally submitted to the neuro-sys archive which was never publicly announced (was 9804003)
null
10.1016/S0006-3495(99)77236-X
CMP-002
q-bio.NC q-bio.QM
null
Modern imaging techniques for probing brain function, including functional Magnetic Resonance Imaging, intrinsic and extrinsic contrast optical imaging, and magnetoencephalography, generate large data sets with complex content. In this paper we develop appropriate techniques of analysis and visualization of such imag...
[ { "created": "Mon, 20 Apr 1998 21:02:27 GMT", "version": "v1" } ]
2009-11-10
[ [ "Mitra", "P. P.", "" ], [ "Pesaran", "B.", "" ] ]
Modern imaging techniques for probing brain function, including functional Magnetic Resonance Imaging, intrinsic and extrinsic contrast optical imaging, and magnetoencephalography, generate large data sets with complex content. In this paper we develop appropriate techniques of analysis and visualization of such imagin...
1904.00099
Dean Koro\v{s}ak
Dean Koro\v{s}ak, Marjan Slak Rupnik
Random matrix analysis of Ca$^{2+}$ signals in $\beta$-cell collectives
null
null
null
null
q-bio.CB cond-mat.stat-mech
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Even within small organs like pancreatic islets, different endocrine cell types and subtypes form a heterogeneous collective to sense the chemical composition of the extracellular solution and compute an adequate hormonal output. Erroneous cellular processing and hormonal output due to challenged heterogeneity result...
[ { "created": "Fri, 29 Mar 2019 21:53:14 GMT", "version": "v1" } ]
2019-04-02
[ [ "Korošak", "Dean", "" ], [ "Rupnik", "Marjan Slak", "" ] ]
Even within small organs like pancreatic islets, different endocrine cell types and subtypes form a heterogeneous collective to sense the chemical composition of the extracellular solution and compute an adequate hormonal output. Erroneous cellular processing and hormonal output due to challenged heterogeneity result i...
2201.09683
Javier Jarillo
Javier Jarillo, Francisco J. Cao-Garc\'ia, and Frederik De Laender
Spatial and Ecological Scaling of Stability in Spatial Community Networks
null
Front. Ecol. Evol. 10 (2022) 861537
10.3389/fevo.2022.861537
null
q-bio.PE physics.bio-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
There are many scales at which to quantify stability in spatial and ecological networks. Local-scale analyses focus on specific nodes of the spatial network, while regional-scale analyses consider the whole network. Similarly, species- and community-level analyses either account for single species or for the whole co...
[ { "created": "Mon, 24 Jan 2022 13:28:47 GMT", "version": "v1" }, { "created": "Tue, 18 Oct 2022 08:30:39 GMT", "version": "v2" } ]
2022-10-19
[ [ "Jarillo", "Javier", "" ], [ "Cao-García", "Francisco J.", "" ], [ "De Laender", "Frederik", "" ] ]
There are many scales at which to quantify stability in spatial and ecological networks. Local-scale analyses focus on specific nodes of the spatial network, while regional-scale analyses consider the whole network. Similarly, species- and community-level analyses either account for single species or for the whole comm...
1407.0867
Gibin Powathil
Gibin G Powathil, Alastair J Munro, Mark AJ Chaplain and Maciej Swat
Bystander effects and their implications for clinical radiation therapy: Insights from multiscale in silico experiments
null
null
10.1016/j.jtbi.2016.04.010
null
q-bio.QM
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Radiotherapy is a commonly used treatment for cancer and is usually given in varying doses. At low radiation doses relatively few cells die as a direct response to radiation but secondary radiation effects such as DNA mutation or bystander effects affect many cells. Consequently it is at low radiation levels where an...
[ { "created": "Thu, 3 Jul 2014 11:22:29 GMT", "version": "v1" } ]
2016-06-16
[ [ "Powathil", "Gibin G", "" ], [ "Munro", "Alastair J", "" ], [ "Chaplain", "Mark AJ", "" ], [ "Swat", "Maciej", "" ] ]
Radiotherapy is a commonly used treatment for cancer and is usually given in varying doses. At low radiation doses relatively few cells die as a direct response to radiation but secondary radiation effects such as DNA mutation or bystander effects affect many cells. Consequently it is at low radiation levels where an u...
2004.08491
Saroj Jayasinghe
Anuruddha Abeygunasekera and Saroj Jayasinghe
Is the anti-filarial drug diethylcarbamazine useful to treat COVID-19?
9 pages
null
null
null
q-bio.SC q-bio.TO
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The SARS-CoV-2 virus has resulted in a devastating pandemic of COVID-19. Exploring compounds that could offer a breakthrough in treatment is the need of the hour. Re-positioning cheap, freely available and safe drugs is a priority. The paper proposes evidence for the potential use of diethylcarbamazine (DEC) in the t...
[ { "created": "Sat, 18 Apr 2020 00:18:08 GMT", "version": "v1" } ]
2020-04-21
[ [ "Abeygunasekera", "Anuruddha", "" ], [ "Jayasinghe", "Saroj", "" ] ]
The SARS-CoV-2 virus has resulted in a devastating pandemic of COVID-19. Exploring compounds that could offer a breakthrough in treatment is the need of the hour. Re-positioning cheap, freely available and safe drugs is a priority. The paper proposes evidence for the potential use of diethylcarbamazine (DEC) in the tre...
2006.01550
Paul Reiser
Paul A. Reiser
Modified SIR Model Yielding a Logistic Solution
null
null
null
null
q-bio.PE
http://creativecommons.org/publicdomain/zero/1.0/
The SIR pandemic model suffers from an unrealistic assumption: The rate of removal from the infectious class of individuals is assumed to be proportional to the number of infectious individuals. This means that a change in the rate of infection is simultaneous with an equal change in the rate of removal. A more reali...
[ { "created": "Tue, 2 Jun 2020 12:16:19 GMT", "version": "v1" }, { "created": "Sun, 7 Feb 2021 02:15:47 GMT", "version": "v2" }, { "created": "Mon, 22 Feb 2021 00:26:24 GMT", "version": "v3" } ]
2021-02-23
[ [ "Reiser", "Paul A.", "" ] ]
The SIR pandemic model suffers from an unrealistic assumption: The rate of removal from the infectious class of individuals is assumed to be proportional to the number of infectious individuals. This means that a change in the rate of infection is simultaneous with an equal change in the rate of removal. A more realist...
2004.01207
Mario Villalobos-Arias Dr.
Mario Villalobos-Arias
Estimation of population infected by Covid-19 using regression Generalized logistics and optimization heuristics
16 pages, 12 figures, prediction for covid-19, the document is in Spanish
null
null
null
q-bio.PE
http://creativecommons.org/licenses/by-nc-sa/4.0/
In this work, a proposal for the estimation of the populations using logistic curve fitting is presented. This type of curve is used to study population growth, in this case population of people infected with the Covid-19 virus; and it can also be used to approximate the survival curve used in actuarial and similar s...
[ { "created": "Thu, 2 Apr 2020 18:06:17 GMT", "version": "v1" } ]
2020-04-06
[ [ "Villalobos-Arias", "Mario", "" ] ]
In this work, a proposal for the estimation of the populations using logistic curve fitting is presented. This type of curve is used to study population growth, in this case population of people infected with the Covid-19 virus; and it can also be used to approximate the survival curve used in actuarial and similar stu...
1209.5549
David Balduzzi
David Balduzzi and Michel Besserve
Towards a learning-theoretic analysis of spike-timing dependent plasticity
To appear in Adv. Neural Inf. Proc. Systems
null
null
null
q-bio.NC cs.LG stat.ML
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
This paper suggests a learning-theoretic perspective on how synaptic plasticity benefits global brain functioning. We introduce a model, the selectron, that (i) arises as the fast time constant limit of leaky integrate-and-fire neurons equipped with spiking timing dependent plasticity (STDP) and (ii) is amenable to t...
[ { "created": "Tue, 25 Sep 2012 09:23:41 GMT", "version": "v1" } ]
2012-09-26
[ [ "Balduzzi", "David", "" ], [ "Besserve", "Michel", "" ] ]
This paper suggests a learning-theoretic perspective on how synaptic plasticity benefits global brain functioning. We introduce a model, the selectron, that (i) arises as the fast time constant limit of leaky integrate-and-fire neurons equipped with spiking timing dependent plasticity (STDP) and (ii) is amenable to the...
1809.05970
Brian Cohn
Brian A. Cohn, Dilan D. Shah, Ali Marjaninejad, Martin Shapiro, Serhan Ulkumen, Christopher M. Laine, Francisco J. Valero-Cuevas, Kenneth H. Hayashida, Sarah Ingersoll
Quantifying and attenuating pathologic tremor in virtual reality
3 pages; 3 figures
null
null
null
q-bio.QM cs.HC
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We present a virtual reality (VR) experience that creates a research-grade benchmark in assessing patients with active upper-limb tremor, while simultaneously offering the opportunity for patients to engage with VR experiences without their pathologic tremor. Accurate and precise use of handheld motion controllers in...
[ { "created": "Sun, 16 Sep 2018 22:23:04 GMT", "version": "v1" } ]
2018-09-18
[ [ "Cohn", "Brian A.", "" ], [ "Shah", "Dilan D.", "" ], [ "Marjaninejad", "Ali", "" ], [ "Shapiro", "Martin", "" ], [ "Ulkumen", "Serhan", "" ], [ "Laine", "Christopher M.", "" ], [ "Valero-Cuevas", "Francisco J....
We present a virtual reality (VR) experience that creates a research-grade benchmark in assessing patients with active upper-limb tremor, while simultaneously offering the opportunity for patients to engage with VR experiences without their pathologic tremor. Accurate and precise use of handheld motion controllers in V...
1711.05574
Laszlo Pecze
Mich\"ael Dougoud, Christian Mazza, Beat Schwaller, Laszlo Pecze
The phenomenon of growing surface interference explains the rosette pattern of jaguar
null
null
null
null
q-bio.TO
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
One possible mechanism to explain how animals got their coat patterns was proposed by Alan Turing. He assumed that two kinds of morphogens diffuse on a surface and interact with each other, generating a reaction-diffusion mechanism. We developed a new framework for pattern generation incorporating a non-diffusing tra...
[ { "created": "Wed, 15 Nov 2017 14:03:56 GMT", "version": "v1" } ]
2017-11-16
[ [ "Dougoud", "Michäel", "" ], [ "Mazza", "Christian", "" ], [ "Schwaller", "Beat", "" ], [ "Pecze", "Laszlo", "" ] ]
One possible mechanism to explain how animals got their coat patterns was proposed by Alan Turing. He assumed that two kinds of morphogens diffuse on a surface and interact with each other, generating a reaction-diffusion mechanism. We developed a new framework for pattern generation incorporating a non-diffusing trans...
2108.09926
Akash Gupta
Rishal Aggarwal, Akash Gupta, U Deva Priyakumar
APObind: A Dataset of Ligand Unbound Protein Conformations for Machine Learning Applications in De Novo Drug Design
Accepted in The 2021 ICML Workshop on Computational Biology
null
null
null
q-bio.BM cs.AI cs.LG
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Protein-ligand complex structures have been utilised to design benchmark machine learning methods that perform important tasks related to drug design such as receptor binding site detection, small molecule docking and binding affinity prediction. However, these methods are usually trained on only ligand bound (or hol...
[ { "created": "Mon, 23 Aug 2021 04:29:38 GMT", "version": "v1" }, { "created": "Wed, 25 Aug 2021 04:37:33 GMT", "version": "v2" } ]
2021-08-26
[ [ "Aggarwal", "Rishal", "" ], [ "Gupta", "Akash", "" ], [ "Priyakumar", "U Deva", "" ] ]
Protein-ligand complex structures have been utilised to design benchmark machine learning methods that perform important tasks related to drug design such as receptor binding site detection, small molecule docking and binding affinity prediction. However, these methods are usually trained on only ligand bound (or holo)...
2102.07036
Joaquin Torres
Jorge Pretel and Joaquin J. Torres and J. Marro
EEGs disclose significant brain activity correlated with synaptic fickleness
6 pages, 6 figures
null
null
null
q-bio.NC cond-mat.dis-nn
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We here study a network of synaptic relations mingling excitatory and inhibitory neuron nodes that displays oscillations quite similar to electroencephalogram (EEG) brain waves, and identify abrupt variations brought about by swift synaptic mediations. We thus conclude that corresponding changes in EEG series surely ...
[ { "created": "Sun, 14 Feb 2021 00:10:06 GMT", "version": "v1" }, { "created": "Tue, 16 Feb 2021 10:22:54 GMT", "version": "v2" } ]
2021-02-17
[ [ "Pretel", "Jorge", "" ], [ "Torres", "Joaquin J.", "" ], [ "Marro", "J.", "" ] ]
We here study a network of synaptic relations mingling excitatory and inhibitory neuron nodes that displays oscillations quite similar to electroencephalogram (EEG) brain waves, and identify abrupt variations brought about by swift synaptic mediations. We thus conclude that corresponding changes in EEG series surely co...
2006.13693
Richard Q Bao
Richard Bao, August Chen, Jethin Gowda, Shiva Mudide
PECAIQR: A Model for Infectious Disease Applied to the Covid-19 Epidemic
null
null
null
null
q-bio.PE cs.LG physics.soc-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The Covid-19 pandemic has made clear the need to improve modern multivariate time-series forecasting models. Current state of the art predictions of future daily deaths and, especially, hospital resource usage have confidence intervals that are unacceptably wide. Policy makers and hospitals require accurate forecasts...
[ { "created": "Wed, 17 Jun 2020 17:59:55 GMT", "version": "v1" } ]
2020-06-25
[ [ "Bao", "Richard", "" ], [ "Chen", "August", "" ], [ "Gowda", "Jethin", "" ], [ "Mudide", "Shiva", "" ] ]
The Covid-19 pandemic has made clear the need to improve modern multivariate time-series forecasting models. Current state of the art predictions of future daily deaths and, especially, hospital resource usage have confidence intervals that are unacceptably wide. Policy makers and hospitals require accurate forecasts t...
1707.03302
Matthew Spencer
Matthew Spencer
Equivalence relations on ecosystems
17 pages, 3 figures
null
null
null
q-bio.PE
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
In abstract terms, ecosystem ecology is about determining when two ecosystems, superficially different, are alike in some deeper way. An external observer can choose any ecosystem property as being important. In contrast, two ecosystems are equivalent from the point of view of the organisms they contain if and only i...
[ { "created": "Tue, 11 Jul 2017 14:30:54 GMT", "version": "v1" } ]
2017-07-12
[ [ "Spencer", "Matthew", "" ] ]
In abstract terms, ecosystem ecology is about determining when two ecosystems, superficially different, are alike in some deeper way. An external observer can choose any ecosystem property as being important. In contrast, two ecosystems are equivalent from the point of view of the organisms they contain if and only if ...
q-bio/0402030
Ajit Kumar Mohanty
Ajit Kumar Mohanty (NPD, BARC, India)
A Barrier Penetration Model for DNA Double Strand Separation
32 pages, 8 figures
null
null
null
q-bio.QM
null
A barrier penetration model has been proposed to explain the spontaneous melting of the DNA oligomers into two separate single strands whereas the partially melted intermediate states are shown to be the bound state solution of the same effective potential that generates the barrier.
[ { "created": "Fri, 13 Feb 2004 05:45:38 GMT", "version": "v1" } ]
2007-05-23
[ [ "Mohanty", "Ajit Kumar", "", "NPD, BARC, India" ] ]
A barrier penetration model has been proposed to explain the spontaneous melting of the DNA oligomers into two separate single strands whereas the partially melted intermediate states are shown to be the bound state solution of the same effective potential that generates the barrier.
1911.12909
Xiao-Jun Cai
Xiaojun Cai (1), Ruidong Li (2), Changcheng Sheng (1,3), Yifeng Tao (2), Quanbao Zhang (2), Xiaofei Zhang (2), Juan Li (2), Conghuan Shen (2), Xiaoyan Qiu (1), Zhengxin Wang (2), Zheng Jiao (1)
Systematic external evaluation of published population pharmacokinetic models for tacrolimus in adult liver transplant recipients
null
Eur.J.Pharm.Sci.145(2020)105237
10.1016/j.ejps.2020.105237
EJPS-D-19-01454
q-bio.QM
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Background:Diverse tacrolimus population pharmacokinetic models in adult liver transplant recipients have been established to describe the PK characteristics of tacrolimus in the last two decades. However, their extrapolated predictive performance remains unclear.Therefore,in this study,we aimed to evaluate their ext...
[ { "created": "Fri, 29 Nov 2019 00:43:13 GMT", "version": "v1" } ]
2020-02-20
[ [ "Cai", "Xiaojun", "" ], [ "Li", "Ruidong", "" ], [ "Sheng", "Changcheng", "" ], [ "Tao", "Yifeng", "" ], [ "Zhang", "Quanbao", "" ], [ "Zhang", "Xiaofei", "" ], [ "Li", "Juan", "" ], [ "Shen", "...
Background:Diverse tacrolimus population pharmacokinetic models in adult liver transplant recipients have been established to describe the PK characteristics of tacrolimus in the last two decades. However, their extrapolated predictive performance remains unclear.Therefore,in this study,we aimed to evaluate their exter...
1605.09073
Yu Hu
Yu Hu, Steven L. Brunton, Nicholas Cain, Stefan Mihalas, J. Nathan Kutz, Eric Shea-Brown
Feedback through graph motifs relates structure and function in complex networks
31 pages, 20 figures
Phys. Rev. E 98, 062312 (2018)
10.1103/PhysRevE.98.062312
null
q-bio.NC cond-mat.dis-nn physics.soc-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
In physics, biology and engineering, network systems abound. How does the connectivity of a network system combine with the behavior of its individual components to determine its collective function? We approach this question for networks with linear time-invariant dynamics by relating internal network feedbacks to t...
[ { "created": "Sun, 29 May 2016 22:58:04 GMT", "version": "v1" }, { "created": "Tue, 18 Dec 2018 16:33:43 GMT", "version": "v2" } ]
2018-12-19
[ [ "Hu", "Yu", "" ], [ "Brunton", "Steven L.", "" ], [ "Cain", "Nicholas", "" ], [ "Mihalas", "Stefan", "" ], [ "Kutz", "J. Nathan", "" ], [ "Shea-Brown", "Eric", "" ] ]
In physics, biology and engineering, network systems abound. How does the connectivity of a network system combine with the behavior of its individual components to determine its collective function? We approach this question for networks with linear time-invariant dynamics by relating internal network feedbacks to the...
2405.05293
Sergei Voloboev
Sergei Voloboev
A Review on Fragment-based De Novo 2D Molecule Generation
null
null
null
null
q-bio.BM cs.LG
http://creativecommons.org/licenses/by/4.0/
In the field of computational molecule generation, an essential task in the discovery of new chemical compounds, fragment-based deep generative models are a leading approach, consistently achieving state-of-the-art results in molecular design benchmarks as of 2023. We present a detailed comparative assessment of thei...
[ { "created": "Wed, 8 May 2024 09:38:38 GMT", "version": "v1" } ]
2024-05-10
[ [ "Voloboev", "Sergei", "" ] ]
In the field of computational molecule generation, an essential task in the discovery of new chemical compounds, fragment-based deep generative models are a leading approach, consistently achieving state-of-the-art results in molecular design benchmarks as of 2023. We present a detailed comparative assessment of their ...
1603.01297
Bal\'azs Madas
Bal\'azs G. Madas
Radon induced hyperplasia: effective adaptation reducing the local doses in the bronchial epithelium
13 pages, 5 figures, 1 table
null
null
null
q-bio.TO physics.bio-ph physics.med-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
There is experimental and histological evidence that chronic irritation and cell death may cause hyperplasia in the exposed tissue. As the heterogeneous deposition of inhaled radon progeny results in high local doses at the peak of the bronchial bifurcations, it was proposed earlier that hyperplasia occurs in these d...
[ { "created": "Thu, 3 Mar 2016 22:06:42 GMT", "version": "v1" } ]
2016-03-07
[ [ "Madas", "Balázs G.", "" ] ]
There is experimental and histological evidence that chronic irritation and cell death may cause hyperplasia in the exposed tissue. As the heterogeneous deposition of inhaled radon progeny results in high local doses at the peak of the bronchial bifurcations, it was proposed earlier that hyperplasia occurs in these dep...
0705.2491
Kazuya Ishibashi
Kazuya Ishibashi, Kosuke Hamaguchi, and Masato Okada
Sparse and Dense Encoding in Layered Associative Network of Spiking Neurons
null
null
10.1143/JPSJ.76.124801
null
q-bio.NC
null
A synfire chain is a simple neural network model which can propagate stable synchronous spikes called a pulse packet and widely researched. However how synfire chains coexist in one network remains to be elucidated. We have studied the activity of a layered associative network of Leaky Integrate-and-Fire neurons in w...
[ { "created": "Thu, 17 May 2007 07:18:34 GMT", "version": "v1" } ]
2009-11-13
[ [ "Ishibashi", "Kazuya", "" ], [ "Hamaguchi", "Kosuke", "" ], [ "Okada", "Masato", "" ] ]
A synfire chain is a simple neural network model which can propagate stable synchronous spikes called a pulse packet and widely researched. However how synfire chains coexist in one network remains to be elucidated. We have studied the activity of a layered associative network of Leaky Integrate-and-Fire neurons in whi...
1505.05644
Aristides Moustakas
Marianna Louca, Ioannis N. Vogiatzakis, and Aristides Moustakas
Modelling the combined effects of land use and climatic changes: coupling bioclimatic modelling with markov-chain cellular automata in a case study in Cyprus
to appear (in press in Ecological Informatics (2015))
null
null
null
q-bio.PE cs.CY cs.DM stat.AP
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Two endemic plant species in the Mediterranean island of Cyprus, Crocus cyprius and Ophrys kotschyi, were used as a case study. We have coupled climate change scenarios, and land use change models with species distribution models. Future land use scenarios were modelled by initially calculating the rate of current la...
[ { "created": "Thu, 21 May 2015 08:25:16 GMT", "version": "v1" } ]
2015-05-22
[ [ "Louca", "Marianna", "" ], [ "Vogiatzakis", "Ioannis N.", "" ], [ "Moustakas", "Aristides", "" ] ]
Two endemic plant species in the Mediterranean island of Cyprus, Crocus cyprius and Ophrys kotschyi, were used as a case study. We have coupled climate change scenarios, and land use change models with species distribution models. Future land use scenarios were modelled by initially calculating the rate of current land...
1104.3457
Sergei Rybalko
Sergei Rybalko and Sergei Larionov and Maria Poptsova and Alexander Loskutov
Intermittency as a universal characteristic of the complete chromosome DNA sequences of eukaryotes: From protozoa to human genomes
4 pages, 5 figures
null
10.1103/PhysRevE.84.042902
null
q-bio.GN cond-mat.soft nlin.CD q-bio.BM
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Large-scale dynamical properties of complete chromosome DNA sequences of eukaryotes are considered. By the proposed deterministic models with intermittency and symbolic dynamics we describe a wide spectrum of large-scale patterns inherent in these sequences, such as segmental duplications, tandem repeats, and other c...
[ { "created": "Mon, 18 Apr 2011 12:35:47 GMT", "version": "v1" }, { "created": "Thu, 28 Apr 2011 12:49:31 GMT", "version": "v2" } ]
2015-05-27
[ [ "Rybalko", "Sergei", "" ], [ "Larionov", "Sergei", "" ], [ "Poptsova", "Maria", "" ], [ "Loskutov", "Alexander", "" ] ]
Large-scale dynamical properties of complete chromosome DNA sequences of eukaryotes are considered. By the proposed deterministic models with intermittency and symbolic dynamics we describe a wide spectrum of large-scale patterns inherent in these sequences, such as segmental duplications, tandem repeats, and other com...
2101.05746
Rastine Merat
Aurore Bugi-Marteyn, Fanny Noulet, Nicolas Liaudet and Rastine Merat
A mutual information-based in vivo monitoring of adaptive response to targeted therapies in melanoma
9 pages, 5 figures Corrected typos
Neoplasia 23 (2021) pp. 775-782
10.1016/j.neo.2021.06.009
null
q-bio.TO
http://creativecommons.org/licenses/by-nc-nd/4.0/
The mechanisms of adaptive resistance to genetic-based targeted therapies of solid malignancies have been the subject of intense research. These studies hold great promise for finding co-targetable hub/pathways which in turn would control the downstream non-genetic mechanisms of adaptive resistance. Many such mechani...
[ { "created": "Sun, 10 Jan 2021 18:35:51 GMT", "version": "v1" }, { "created": "Fri, 15 Jan 2021 07:56:48 GMT", "version": "v2" } ]
2021-07-09
[ [ "Bugi-Marteyn", "Aurore", "" ], [ "Noulet", "Fanny", "" ], [ "Liaudet", "Nicolas", "" ], [ "Merat", "Rastine", "" ] ]
The mechanisms of adaptive resistance to genetic-based targeted therapies of solid malignancies have been the subject of intense research. These studies hold great promise for finding co-targetable hub/pathways which in turn would control the downstream non-genetic mechanisms of adaptive resistance. Many such mechanism...
2204.07362
Keon-Woo Lee
Keon-Woo Lee and Dae-Hyeok Lee and Sung-Jin Kim and Seong-Whan Lee
Decoding Neural Correlation of Language-Specific Imagined Speech using EEG Signals
Accepted in EMBC 2022
null
null
null
q-bio.NC cs.HC eess.SP
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Speech impairments due to cerebral lesions and degenerative disorders can be devastating. For humans with severe speech deficits, imagined speech in the brain-computer interface has been a promising hope for reconstructing the neural signals of speech production. However, studies in the EEG-based imagined speech doma...
[ { "created": "Fri, 15 Apr 2022 07:41:04 GMT", "version": "v1" } ]
2022-04-18
[ [ "Lee", "Keon-Woo", "" ], [ "Lee", "Dae-Hyeok", "" ], [ "Kim", "Sung-Jin", "" ], [ "Lee", "Seong-Whan", "" ] ]
Speech impairments due to cerebral lesions and degenerative disorders can be devastating. For humans with severe speech deficits, imagined speech in the brain-computer interface has been a promising hope for reconstructing the neural signals of speech production. However, studies in the EEG-based imagined speech domain...
2306.13832
David Benrimoh
David Benrimoh, Victoria L. Fisher, Rashina Seabury, Ely Sibarium, Catalina Mourgues, Doris Chen, Albert Powers
Evidence for Reduced Sensory Precision and Increased Reliance on Priors in Hallucination-Prone Individuals in a General Population Sample
null
null
null
null
q-bio.NC
http://creativecommons.org/licenses/by-nc-nd/4.0/
There is increasing evidence that people with hallucinations overweight perceptual beliefs relative to incoming sensory evidence. Much past work demonstrating prior overweighting has used simple, non-linguistic stimuli. However, auditory hallucinations in psychosis are often complex and linguistic. There may be an in...
[ { "created": "Sat, 24 Jun 2023 01:18:03 GMT", "version": "v1" } ]
2023-06-27
[ [ "Benrimoh", "David", "" ], [ "Fisher", "Victoria L.", "" ], [ "Seabury", "Rashina", "" ], [ "Sibarium", "Ely", "" ], [ "Mourgues", "Catalina", "" ], [ "Chen", "Doris", "" ], [ "Powers", "Albert", "" ] ]
There is increasing evidence that people with hallucinations overweight perceptual beliefs relative to incoming sensory evidence. Much past work demonstrating prior overweighting has used simple, non-linguistic stimuli. However, auditory hallucinations in psychosis are often complex and linguistic. There may be an inte...
2104.01256
Deepak Gupta
Deepak Gupta, Stefano Garlaschi, Samir Suweis, Sandro Azaele, and Amos Maritan
Effective Resource-Competition Model for Species Coexistence
5 pages + 4 figures, Major revision
null
10.1103/PhysRevLett.127.208101
null
q-bio.PE cond-mat.stat-mech
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Local coexistence of species in large ecosystems is traditionally explained within the broad framework of niche theory. However, its rationale hardly justifies rich biodiversity observed in nearly homogeneous environments. Here we consider a consumer-resource model in which a coarse-graining procedure accounts for a ...
[ { "created": "Fri, 2 Apr 2021 22:02:50 GMT", "version": "v1" }, { "created": "Fri, 8 Oct 2021 00:06:38 GMT", "version": "v2" } ]
2021-11-17
[ [ "Gupta", "Deepak", "" ], [ "Garlaschi", "Stefano", "" ], [ "Suweis", "Samir", "" ], [ "Azaele", "Sandro", "" ], [ "Maritan", "Amos", "" ] ]
Local coexistence of species in large ecosystems is traditionally explained within the broad framework of niche theory. However, its rationale hardly justifies rich biodiversity observed in nearly homogeneous environments. Here we consider a consumer-resource model in which a coarse-graining procedure accounts for a va...