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q-bio/0409019
Joachim Krug
Joachim Krug and Kavita Jain
Breaking records in the evolutionary race
Proceedings of 8th ICCMSP/Marrakech, to be published in Physica A
Physica A 358, 1 (2005)
10.1016/j.physa.2005.06.002
null
q-bio.PE cond-mat.dis-nn
null
We explore some aspects of the relationship between biological evolution processes and the mathematical theory of records. For Eigen's quasispecies model with an uncorrelated fitness landscape, we show that the evolutionary trajectories traced out by a population initially localized at a randomly chosen point in sequ...
[ { "created": "Thu, 16 Sep 2004 15:31:25 GMT", "version": "v1" } ]
2009-11-10
[ [ "Krug", "Joachim", "" ], [ "Jain", "Kavita", "" ] ]
We explore some aspects of the relationship between biological evolution processes and the mathematical theory of records. For Eigen's quasispecies model with an uncorrelated fitness landscape, we show that the evolutionary trajectories traced out by a population initially localized at a randomly chosen point in sequen...
1511.06754
Lauren Assour
Lauren A. Assour, Nicholas LaRosa, Scott J. Emrich
Hot RAD: A Tool for Analysis of Next-Gen RAD Tag Data
null
null
null
null
q-bio.GN q-bio.QM
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Restriction site Associated DNA (RAD) tagging (also known as RAD-seq, etc.) is an emerging method for analyzing an organism's genome without completely sequencing it. This can be applied to a non-model organism without a reference genome, though this creates the problem of how to begin data analysis on unmapped and u...
[ { "created": "Fri, 20 Nov 2015 20:56:45 GMT", "version": "v1" } ]
2015-11-23
[ [ "Assour", "Lauren A.", "" ], [ "LaRosa", "Nicholas", "" ], [ "Emrich", "Scott J.", "" ] ]
Restriction site Associated DNA (RAD) tagging (also known as RAD-seq, etc.) is an emerging method for analyzing an organism's genome without completely sequencing it. This can be applied to a non-model organism without a reference genome, though this creates the problem of how to begin data analysis on unmapped and una...
1703.00698
Alain Destexhe
Yann Zerlaut and Alain Destexhe
A mean-field model for conductance-based networks of adaptive exponential integrate-and-fire neurons
21 pages, 7 figures
null
null
null
q-bio.NC
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Voltage-sensitive dye imaging (VSDi) has revealed fundamental properties of neocortical processing at mesoscopic scales. Since VSDi signals report the average membrane potential, it seems natural to use a mean-field formalism to model such signals. Here, we investigate a mean-field model of networks of Adaptive Expon...
[ { "created": "Thu, 2 Mar 2017 10:19:17 GMT", "version": "v1" } ]
2017-03-03
[ [ "Zerlaut", "Yann", "" ], [ "Destexhe", "Alain", "" ] ]
Voltage-sensitive dye imaging (VSDi) has revealed fundamental properties of neocortical processing at mesoscopic scales. Since VSDi signals report the average membrane potential, it seems natural to use a mean-field formalism to model such signals. Here, we investigate a mean-field model of networks of Adaptive Exponen...
1710.04400
Olha Shchur
A. Vidybida, O. Shchur
Information reduction in a reverberatory neuronal network through convergence to complex oscillatory firing patterns
15 pages, 8 figures, 4 tables, manuscript accepted by Biosystems. Content of this work was presented at the Twelvth International Neural Coding Workshop in Cologne, Germany
BioSystems (2017) 161, pp. 24-30
10.1016/j.biosystems.2017.07.008
null
q-bio.NC
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We study dynamics of a reverberating neural net by means of computer simulation. The net, which is composed of 9 leaky integrate-and-fire (LIF) neurons arranged in a square lattice, is fully connected with interneuronal communication delay proportional to the corresponding distance. The network is initially stimulate...
[ { "created": "Thu, 12 Oct 2017 08:07:14 GMT", "version": "v1" } ]
2023-06-16
[ [ "Vidybida", "A.", "" ], [ "Shchur", "O.", "" ] ]
We study dynamics of a reverberating neural net by means of computer simulation. The net, which is composed of 9 leaky integrate-and-fire (LIF) neurons arranged in a square lattice, is fully connected with interneuronal communication delay proportional to the corresponding distance. The network is initially stimulated ...
1905.03972
Zhongqi Tian
Zhong-Qi Kyle Tian, Douglas Zhou, David Cai
Digital System Reconstruction by Pairwise Transfer Entropy
10 pages, 4 figures
null
null
null
q-bio.QM q-bio.NC
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Transfer entropy (TE) is an attractive model-free method to detect causality and infer structural connectivity of general digital systems. However it relies on high dimensions used in its definition to clearly remove the memory effect and distinguish the direct causality from the indirect ones which makes it almost i...
[ { "created": "Fri, 10 May 2019 07:08:33 GMT", "version": "v1" } ]
2019-05-13
[ [ "Tian", "Zhong-Qi Kyle", "" ], [ "Zhou", "Douglas", "" ], [ "Cai", "David", "" ] ]
Transfer entropy (TE) is an attractive model-free method to detect causality and infer structural connectivity of general digital systems. However it relies on high dimensions used in its definition to clearly remove the memory effect and distinguish the direct causality from the indirect ones which makes it almost ino...
q-bio/0603032
Olaf Wolkenhauer
Peter Wellstead, Rick Middleton, Olaf Wolkenhauer
Feedback Medicine: Control Systems Concepts in Personalised, Predictive Medicine and Combinatorial Intervention
22 pages, 10 figures
null
null
27-03-06
q-bio.TO q-bio.QM
null
In its broadest definition, systems biology is the application of a `systems' way of thinking about and doing cell biology. By implication, this also invites us to consider a systems approach in the context of medicine and the treatment of disease. In particular, the idea that systems biology can form the basis of a ...
[ { "created": "Mon, 27 Mar 2006 10:25:17 GMT", "version": "v1" } ]
2007-05-23
[ [ "Wellstead", "Peter", "" ], [ "Middleton", "Rick", "" ], [ "Wolkenhauer", "Olaf", "" ] ]
In its broadest definition, systems biology is the application of a `systems' way of thinking about and doing cell biology. By implication, this also invites us to consider a systems approach in the context of medicine and the treatment of disease. In particular, the idea that systems biology can form the basis of a pe...
1802.09381
Jean-Philippe Vert
Beyrem Khalfaoui (CBIO), Jean-Philippe Vert (CBIO, DMA)
DropLasso: A robust variant of Lasso for single cell RNA-seq data
null
null
null
null
q-bio.QM cs.CV q-bio.GN stat.ML
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Single-cell RNA sequencing (scRNA-seq) is a fast growing approach to measure the genome-wide transcriptome of many individual cells in parallel, but results in noisy data with many dropout events. Existing methods to learn molecular signatures from bulk transcriptomic data may therefore not be adapted to scRNA-seq da...
[ { "created": "Mon, 26 Feb 2018 15:10:44 GMT", "version": "v1" } ]
2018-02-27
[ [ "Khalfaoui", "Beyrem", "", "CBIO" ], [ "Vert", "Jean-Philippe", "", "CBIO, DMA" ] ]
Single-cell RNA sequencing (scRNA-seq) is a fast growing approach to measure the genome-wide transcriptome of many individual cells in parallel, but results in noisy data with many dropout events. Existing methods to learn molecular signatures from bulk transcriptomic data may therefore not be adapted to scRNA-seq data...
2009.08491
Qiong Wang
Qiong Wang, Tengteng Tang, David Cooper, Felipe Eltit, Peter Fratzl, Pierre Guy and Rizhi Wang
Globular structure of the hypermineralized tissue in human femoral neck
null
Journal of Structural Biology,Volume 212, Issue 2, 1 November 2020, 107606
10.1016/j.jsb.2020.107606
null
q-bio.TO cond-mat.mtrl-sci
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Bone becomes more fragile with ageing. Among many structural changes, a thin layer of highly mineralized and brittle tissue covers part of the external surface of the thin femoral neck cortex in older people and has been proposed to increase hip fragility. However, there have been very limited reports on this hypermi...
[ { "created": "Thu, 17 Sep 2020 18:26:17 GMT", "version": "v1" } ]
2020-09-21
[ [ "Wang", "Qiong", "" ], [ "Tang", "Tengteng", "" ], [ "Cooper", "David", "" ], [ "Eltit", "Felipe", "" ], [ "Fratzl", "Peter", "" ], [ "Guy", "Pierre", "" ], [ "Wang", "Rizhi", "" ] ]
Bone becomes more fragile with ageing. Among many structural changes, a thin layer of highly mineralized and brittle tissue covers part of the external surface of the thin femoral neck cortex in older people and has been proposed to increase hip fragility. However, there have been very limited reports on this hypermine...
q-bio/0411027
Jose Vilar
Jose M. G. Vilar and Stanislas Leibler
DNA looping and physical constraints on transcription regulation
null
J. Mol. Biol. 331, 981-989 (2003)
null
null
q-bio.SC cond-mat.soft cond-mat.stat-mech physics.bio-ph
null
DNA looping participates in transcriptional regulation, for instance, by allowing distal binding sites to act synergistically. Here we study this process and compare different regulatory mechanisms based on repression with and without looping. Within a simple mathematical model for the lac operon, we show that regula...
[ { "created": "Thu, 11 Nov 2004 23:50:28 GMT", "version": "v1" } ]
2007-05-23
[ [ "Vilar", "Jose M. G.", "" ], [ "Leibler", "Stanislas", "" ] ]
DNA looping participates in transcriptional regulation, for instance, by allowing distal binding sites to act synergistically. Here we study this process and compare different regulatory mechanisms based on repression with and without looping. Within a simple mathematical model for the lac operon, we show that regulati...
1707.09908
Mareike Fischer
Kristina Wicke and Mareike Fischer
On the Shapley value of unrooted phylogenetic trees
null
null
null
null
q-bio.PE math.CO
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The Shapley value, a solution concept from cooperative game theory, has recently been considered for both unrooted and rooted phylogenetic trees. Here, we focus on the Shapley value of unrooted trees and first revisit the so-called split counts of a phylogenetic tree and the Shapley transformation matrix that allows ...
[ { "created": "Mon, 31 Jul 2017 15:04:38 GMT", "version": "v1" }, { "created": "Mon, 5 Feb 2018 21:45:33 GMT", "version": "v2" } ]
2018-02-07
[ [ "Wicke", "Kristina", "" ], [ "Fischer", "Mareike", "" ] ]
The Shapley value, a solution concept from cooperative game theory, has recently been considered for both unrooted and rooted phylogenetic trees. Here, we focus on the Shapley value of unrooted trees and first revisit the so-called split counts of a phylogenetic tree and the Shapley transformation matrix that allows fo...
0908.4408
Rui Vilela-Mendes
R. Vilela Mendes and Carlos Aguirre
Cooperation, punishment, emergence of government and the tragedy of authorities
13 pages, 4 figures
Complex Systems 20 (2012) 363-374
null
null
q-bio.PE q-bio.QM
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Under the conditions prevalent in the late Pleistocene (small hunter-gatherer groups and frequent inter-group conflicts), coevolution of gene-related behavior and culturally transmitted group-level institutions provides a plausible explanation for the parochial altruistic and reciprocator traits of most modern humans...
[ { "created": "Sun, 30 Aug 2009 17:55:09 GMT", "version": "v1" } ]
2012-11-27
[ [ "Mendes", "R. Vilela", "" ], [ "Aguirre", "Carlos", "" ] ]
Under the conditions prevalent in the late Pleistocene (small hunter-gatherer groups and frequent inter-group conflicts), coevolution of gene-related behavior and culturally transmitted group-level institutions provides a plausible explanation for the parochial altruistic and reciprocator traits of most modern humans. ...
1505.06915
Jean-Philippe Vert
K\'evin Vervier (CBIO), Pierre Mah\'e, Maud Tournoud, Jean-Baptiste Veyrieras, Jean-Philippe Vert (CBIO)
Large-scale Machine Learning for Metagenomics Sequence Classification
null
null
null
null
q-bio.QM cs.CE cs.LG q-bio.GN stat.ML
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Metagenomics characterizes the taxonomic diversity of microbial communities by sequencing DNA directly from an environmental sample. One of the main challenges in metagenomics data analysis is the binning step, where each sequenced read is assigned to a taxonomic clade. Due to the large volume of metagenomics dataset...
[ { "created": "Tue, 26 May 2015 12:02:04 GMT", "version": "v1" } ]
2015-05-27
[ [ "Vervier", "Kévin", "", "CBIO" ], [ "Mahé", "Pierre", "", "CBIO" ], [ "Tournoud", "Maud", "", "CBIO" ], [ "Veyrieras", "Jean-Baptiste", "", "CBIO" ], [ "Vert", "Jean-Philippe", "", "CBIO" ] ]
Metagenomics characterizes the taxonomic diversity of microbial communities by sequencing DNA directly from an environmental sample. One of the main challenges in metagenomics data analysis is the binning step, where each sequenced read is assigned to a taxonomic clade. Due to the large volume of metagenomics datasets,...
2006.00652
Areejit Samal
R.P. Vivek-Ananth, Abhijit Rana, Nithin Rajan, Himansu S. Biswal, Areejit Samal
In silico identification of potential natural product inhibitors of human proteases key to SARS-CoV-2 infection
51 pages, 7 Figures, 2 Tables, 4 SI Figures, SI Tables available upon request from authors
Molecules 2020, 25(17), 3822
10.3390/molecules25173822
null
q-bio.BM q-bio.MN
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Presently, there are no approved drugs or vaccines to treat COVID-19 which has spread to over 200 countries and is responsible for over 3,65,000 deaths worldwide. Recent studies have shown that two human proteases, TMPRSS2 and cathepsin L, play a key role in host cell entry of SARS-CoV-2. Importantly, inhibitors of t...
[ { "created": "Mon, 1 Jun 2020 00:37:13 GMT", "version": "v1" } ]
2020-09-02
[ [ "Vivek-Ananth", "R. P.", "" ], [ "Rana", "Abhijit", "" ], [ "Rajan", "Nithin", "" ], [ "Biswal", "Himansu S.", "" ], [ "Samal", "Areejit", "" ] ]
Presently, there are no approved drugs or vaccines to treat COVID-19 which has spread to over 200 countries and is responsible for over 3,65,000 deaths worldwide. Recent studies have shown that two human proteases, TMPRSS2 and cathepsin L, play a key role in host cell entry of SARS-CoV-2. Importantly, inhibitors of the...
2111.08436
Gholamreza Jafari
Nastaran Allahyari, Amir Kargaran, Ali Hosseiny, G. R. Jafari
The structure of gene-gene networks beyond pairwise interactions
16 pages, 5 figures, 4 tables
null
10.1371/journal.pone.0258596
null
q-bio.MN physics.data-an
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Despite its high and direct impact on nearly all biological processes, the underlying structure of gene-gene interaction networks is investigated so far according to pair connections. To address this, we explore the gene interaction networks of the yeast Saccharomyces cerevisiae beyond pairwise interaction using the ...
[ { "created": "Thu, 14 Oct 2021 14:51:09 GMT", "version": "v1" } ]
2022-05-04
[ [ "Allahyari", "Nastaran", "" ], [ "Kargaran", "Amir", "" ], [ "Hosseiny", "Ali", "" ], [ "Jafari", "G. R.", "" ] ]
Despite its high and direct impact on nearly all biological processes, the underlying structure of gene-gene interaction networks is investigated so far according to pair connections. To address this, we explore the gene interaction networks of the yeast Saccharomyces cerevisiae beyond pairwise interaction using the st...
0809.1479
Jeferson J. Arenzon
Estrella A. Sicardi, Hugo Fort, Mendeli H. Vainstein, Jeferson J. Arenzon
Random mobility and spatial structure often enhance cooperation
Submitted to J. Theor. Biol
J. Theor. Biol. 256 (2009) 240
10.1016/j.jtbi.2008.09.022
null
q-bio.PE physics.bio-ph physics.soc-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The effects of an unconditional move rule in the spatial Prisoner's Dilemma, Snowdrift and Stag Hunt games are studied. Spatial structure by itself is known to modify the outcome of many games when compared with a randomly mixed population, sometimes promoting, sometimes inhibiting cooperation. Here we show that rand...
[ { "created": "Tue, 9 Sep 2008 12:53:37 GMT", "version": "v1" } ]
2009-02-25
[ [ "Sicardi", "Estrella A.", "" ], [ "Fort", "Hugo", "" ], [ "Vainstein", "Mendeli H.", "" ], [ "Arenzon", "Jeferson J.", "" ] ]
The effects of an unconditional move rule in the spatial Prisoner's Dilemma, Snowdrift and Stag Hunt games are studied. Spatial structure by itself is known to modify the outcome of many games when compared with a randomly mixed population, sometimes promoting, sometimes inhibiting cooperation. Here we show that random...
2006.01171
Austin Clyde
Austin Clyde, Xiaotian Duan, Rick Stevens
Regression Enrichment Surfaces: a Simple Analysis Technique for Virtual Drug Screening Models
null
null
null
null
q-bio.QM cs.LG stat.ML
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We present a new method for understanding the performance of a model in virtual drug screening tasks. While most virtual screening problems present as a mix between ranking and classification, the models are typically trained as regression models presenting a problem requiring either a choice of a cutoff or ranking m...
[ { "created": "Mon, 1 Jun 2020 18:03:25 GMT", "version": "v1" } ]
2020-06-03
[ [ "Clyde", "Austin", "" ], [ "Duan", "Xiaotian", "" ], [ "Stevens", "Rick", "" ] ]
We present a new method for understanding the performance of a model in virtual drug screening tasks. While most virtual screening problems present as a mix between ranking and classification, the models are typically trained as regression models presenting a problem requiring either a choice of a cutoff or ranking mea...
2403.16933
Paul Haider
Benjamin Ellenberger, Paul Haider, Jakob Jordan, Kevin Max, Ismael Jaras, Laura Kriener, Federico Benitez, Mihai A. Petrovici
Backpropagation through space, time, and the brain
First authorship shared by Benjamin Ellenberger and Paul Haider
null
null
null
q-bio.NC cs.AI cs.LG cs.NE eess.SP
http://creativecommons.org/licenses/by-nc-sa/4.0/
How physical networks of neurons, bound by spatio-temporal locality constraints, can perform efficient credit assignment, remains, to a large extent, an open question. In machine learning, the answer is almost universally given by the error backpropagation algorithm, through both space and time. However, this algorit...
[ { "created": "Mon, 25 Mar 2024 16:57:02 GMT", "version": "v1" }, { "created": "Tue, 16 Jul 2024 17:37:05 GMT", "version": "v2" } ]
2024-07-17
[ [ "Ellenberger", "Benjamin", "" ], [ "Haider", "Paul", "" ], [ "Jordan", "Jakob", "" ], [ "Max", "Kevin", "" ], [ "Jaras", "Ismael", "" ], [ "Kriener", "Laura", "" ], [ "Benitez", "Federico", "" ], [ ...
How physical networks of neurons, bound by spatio-temporal locality constraints, can perform efficient credit assignment, remains, to a large extent, an open question. In machine learning, the answer is almost universally given by the error backpropagation algorithm, through both space and time. However, this algorithm...
1902.06122
Daniel Baker
Daniel H. Baker, Greta Vilidaite, Freya A. Lygo, Anika K. Smith, Tessa R. Flack, Andre D. Gouws and Timothy J. Andrews
Power contours: optimising sample size and precision in experimental psychology and human neuroscience
null
Psychological Methods (2021), 26(3): 295-314
10.1037/met0000337
null
q-bio.NC stat.ME
http://creativecommons.org/licenses/by/4.0/
When designing experimental studies with human participants, experimenters must decide how many trials each participant will complete, as well as how many participants to test. Most discussion of statistical power (the ability of a study design to detect an effect) has focussed on sample size, and assumed sufficient ...
[ { "created": "Sat, 16 Feb 2019 16:30:59 GMT", "version": "v1" }, { "created": "Fri, 22 Feb 2019 06:43:51 GMT", "version": "v2" }, { "created": "Wed, 3 Jul 2019 15:24:19 GMT", "version": "v3" }, { "created": "Sat, 2 Nov 2019 10:02:27 GMT", "version": "v4" }, { "cre...
2021-08-30
[ [ "Baker", "Daniel H.", "" ], [ "Vilidaite", "Greta", "" ], [ "Lygo", "Freya A.", "" ], [ "Smith", "Anika K.", "" ], [ "Flack", "Tessa R.", "" ], [ "Gouws", "Andre D.", "" ], [ "Andrews", "Timothy J.", "" ]...
When designing experimental studies with human participants, experimenters must decide how many trials each participant will complete, as well as how many participants to test. Most discussion of statistical power (the ability of a study design to detect an effect) has focussed on sample size, and assumed sufficient tr...
2208.11233
Carlos Hernandez-Suarez M
Carlos Hernandez-Suarez and Osval Montesinos Lopez
Revised calculation of the coefficient of parentage in plant breeding
The pdf version is 23 pages long, with 6 figures and 5 tables
Plant breeding, 2022
10.1111/pbr.13071
null
q-bio.PE q-bio.QM
http://creativecommons.org/licenses/by-nc-nd/4.0/
The Coefficient of Parentage (COP) between two individuals is the expected inbreeding of their offspring. Originally exploited by animal breeders, is now a routine calculation among plant breeders as part of crop improvement programs. Here we show that the COP between strains requires a different calculation than the...
[ { "created": "Tue, 23 Aug 2022 23:42:19 GMT", "version": "v1" } ]
2022-12-01
[ [ "Hernandez-Suarez", "Carlos", "" ], [ "Lopez", "Osval Montesinos", "" ] ]
The Coefficient of Parentage (COP) between two individuals is the expected inbreeding of their offspring. Originally exploited by animal breeders, is now a routine calculation among plant breeders as part of crop improvement programs. Here we show that the COP between strains requires a different calculation than the u...
q-bio/0702005
Mikl\'os Cs\H{u}r\"os
Mikl\'os Cs\H{u}r\"os, J. Andrew Holey, Igor B. Rogozin
In search of lost introns
null
null
null
null
q-bio.PE q-bio.GN
null
Many fundamental questions concerning the emergence and subsequent evolution of eukaryotic exon-intron organization are still unsettled. Genome-scale comparative studies, which can shed light on crucial aspects of eukaryotic evolution, require adequate computational tools. We describe novel computational methods fo...
[ { "created": "Sat, 3 Feb 2007 21:26:02 GMT", "version": "v1" } ]
2007-05-23
[ [ "Csűrös", "Miklós", "" ], [ "Holey", "J. Andrew", "" ], [ "Rogozin", "Igor B.", "" ] ]
Many fundamental questions concerning the emergence and subsequent evolution of eukaryotic exon-intron organization are still unsettled. Genome-scale comparative studies, which can shed light on crucial aspects of eukaryotic evolution, require adequate computational tools. We describe novel computational methods for st...
2210.13323
Samuel W.K. Wong
Yuxuan Zhao, Samuel W.K. Wong
A Comparative Study of Compartmental Models for COVID-19 Transmission in Ontario, Canada
26 pages, 8 figures
null
null
null
q-bio.PE stat.AP
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The number of confirmed COVID-19 cases reached over 1.3 million in Ontario, Canada by June 4, 2022. The continued spread of the virus underlying COVID-19 has been spurred by the emergence of variants since the initial outbreak in December, 2019. Much attention has thus been devoted to tracking and modelling the trans...
[ { "created": "Mon, 24 Oct 2022 15:24:54 GMT", "version": "v1" } ]
2022-10-25
[ [ "Zhao", "Yuxuan", "" ], [ "Wong", "Samuel W. K.", "" ] ]
The number of confirmed COVID-19 cases reached over 1.3 million in Ontario, Canada by June 4, 2022. The continued spread of the virus underlying COVID-19 has been spurred by the emergence of variants since the initial outbreak in December, 2019. Much attention has thus been devoted to tracking and modelling the transmi...
1605.00748
Hemachander Subramanian
Hemachander Subramanian, Robert A. Gatenby
Evolutionary advantage of a broken symmetry in autocatalytic polymers explains fundamental properties of DNA
41 pages, 7 figures
null
null
null
q-bio.BM
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The macromolecules that encode and translate information in living systems, DNA and RNA, exhibit distinctive structural asymmetries, including homochirality or mirror image asymmetry and $3' - 5'$ directionality, that are invariant across all life forms. The evolutionary advantages of these broken symmetries remain u...
[ { "created": "Tue, 3 May 2016 03:34:36 GMT", "version": "v1" }, { "created": "Fri, 14 Oct 2016 16:41:17 GMT", "version": "v2" }, { "created": "Thu, 9 Mar 2017 03:27:46 GMT", "version": "v3" } ]
2017-03-10
[ [ "Subramanian", "Hemachander", "" ], [ "Gatenby", "Robert A.", "" ] ]
The macromolecules that encode and translate information in living systems, DNA and RNA, exhibit distinctive structural asymmetries, including homochirality or mirror image asymmetry and $3' - 5'$ directionality, that are invariant across all life forms. The evolutionary advantages of these broken symmetries remain unk...
0705.2092
Erik Volz
Erik Volz
SIR dynamics in random networks with heterogeneous connectivity
25 pages, 6 figures. Greatly revised version of arXiv:physics/0508160
null
null
null
q-bio.PE q-bio.QM
null
Random networks with specified degree distributions have been proposed as realistic models of population structure, yet the problem of dynamically modeling SIR-type epidemics in random networks remains complex. I resolve this dilemma by showing how the SIR dynamics can be modeled with a system of three nonlinear ODE'...
[ { "created": "Tue, 15 May 2007 08:16:56 GMT", "version": "v1" } ]
2007-05-23
[ [ "Volz", "Erik", "" ] ]
Random networks with specified degree distributions have been proposed as realistic models of population structure, yet the problem of dynamically modeling SIR-type epidemics in random networks remains complex. I resolve this dilemma by showing how the SIR dynamics can be modeled with a system of three nonlinear ODE's....
1005.4301
Amit Lakhanpal
Amit Lakhanpal, David Sprinzak, Michael B. Elowitz
Mutual inactivation of Notch and Delta permits a simple mechanism for lateral inhibition patterning
null
null
null
null
q-bio.MN
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Lateral inhibition patterns mediated by the Notch-Delta signaling system occur in diverse developmental contexts. These systems are based on an intercellular feedback loop in which Notch activation leads to down-regulation of Delta. However, even in relatively well-characterized systems, the pathway leading from Notc...
[ { "created": "Mon, 24 May 2010 10:40:38 GMT", "version": "v1" } ]
2010-05-25
[ [ "Lakhanpal", "Amit", "" ], [ "Sprinzak", "David", "" ], [ "Elowitz", "Michael B.", "" ] ]
Lateral inhibition patterns mediated by the Notch-Delta signaling system occur in diverse developmental contexts. These systems are based on an intercellular feedback loop in which Notch activation leads to down-regulation of Delta. However, even in relatively well-characterized systems, the pathway leading from Notch ...
q-bio/0601021
Le Zhang
Thomas S. Deisboeck, Caterina Guiot, Pier Paolo Delsanto, Nicola Pugno
Does Cancer Growth Depend on Surface Extension?
11 pages, 1 figure
null
null
null
q-bio.TO
null
We argue that volumetric growth dynamics of a solid cancer depend on the tumor system's overall surface extension. While this at first may seem evident, to our knowledge, so far no theoretical argument has been presented explaining this relationship explicitly. In here, we therefore develop a conceptual framework bas...
[ { "created": "Sat, 14 Jan 2006 16:28:51 GMT", "version": "v1" } ]
2007-05-23
[ [ "Deisboeck", "Thomas S.", "" ], [ "Guiot", "Caterina", "" ], [ "Delsanto", "Pier Paolo", "" ], [ "Pugno", "Nicola", "" ] ]
We argue that volumetric growth dynamics of a solid cancer depend on the tumor system's overall surface extension. While this at first may seem evident, to our knowledge, so far no theoretical argument has been presented explaining this relationship explicitly. In here, we therefore develop a conceptual framework based...
1906.04590
Gerardo Chowell
G. Chowell, A. Tariq, M. Kiskowski
Vaccination strategies to control Ebola epidemics in the context of variable household inaccessibility levels
36 pages; 9 figures
null
null
null
q-bio.QM q-bio.PE
http://creativecommons.org/licenses/by/4.0/
In the context of the ongoing Ebola epidemic in DRC, active conflict and community distrust are undermining control efforts, including vaccination strategies. In this paper, we employed an individual-level stochastic structured transmission model to assess the impact of vaccination strategies on epidemic control in t...
[ { "created": "Tue, 11 Jun 2019 13:42:32 GMT", "version": "v1" }, { "created": "Fri, 21 Jun 2019 18:46:16 GMT", "version": "v2" }, { "created": "Thu, 22 Aug 2019 23:35:33 GMT", "version": "v3" } ]
2019-08-26
[ [ "Chowell", "G.", "" ], [ "Tariq", "A.", "" ], [ "Kiskowski", "M.", "" ] ]
In the context of the ongoing Ebola epidemic in DRC, active conflict and community distrust are undermining control efforts, including vaccination strategies. In this paper, we employed an individual-level stochastic structured transmission model to assess the impact of vaccination strategies on epidemic control in the...
1204.6231
Carl Boettiger
Carl Boettiger and Alan Hastings
Quantifying Limits to Detection of Early Warning for Critical Transitions
Accepted to Journal of the Royal Society Interface. 29 pages, 8 figures
null
null
null
q-bio.OT physics.data-an q-bio.PE
http://creativecommons.org/licenses/by/3.0/
Catastrophic regime shifts in complex natural systems may be averted through advanced detection. Recent work has provided a proof-of-principle that many systems approaching a catastrophic transition may be identified through the lens of early warning indicators such as rising variance or increased return times. Despi...
[ { "created": "Thu, 26 Apr 2012 19:22:31 GMT", "version": "v1" } ]
2012-04-30
[ [ "Boettiger", "Carl", "" ], [ "Hastings", "Alan", "" ] ]
Catastrophic regime shifts in complex natural systems may be averted through advanced detection. Recent work has provided a proof-of-principle that many systems approaching a catastrophic transition may be identified through the lens of early warning indicators such as rising variance or increased return times. Despite...
1311.2789
Stian Soiland-Reyes
Kristina M. Hettne, Harish Dharuri, Jun Zhao, Katherine Wolstencroft, Khalid Belhajjame, Stian Soiland-Reyes, Eleni Mina, Mark Thompson, Don Cruickshank, Lourdes Verdes-Montenegro, Julian Garrido, David de Roure, Oscar Corcho, Graham Klyne, Reinout van Schouwen, Peter A. C. 't Hoen, Sean Bechhofer, Carole Goble...
Structuring research methods and data with the Research Object model: genomics workflows as a case study
35 pages, 10 figures, 1 table. Submitted to Journal of Biomedical Semantics on 2013-05-13, resubmitted after reviews 2013-11-09, 2014-06-27. Accepted in principle 2014-07-29. Published: 2014-09-18 http://www.jbiomedsem.com/content/5/1/41. Research Object homepage: http://www.researchobject.org/
null
10.1186/2041-1480-5-41
uk-ac-man-scw:212837
q-bio.GN cs.DL
http://creativecommons.org/licenses/by/3.0/
One of the main challenges for biomedical research lies in the computer-assisted integrative study of large and increasingly complex combinations of data in order to understand molecular mechanisms. The preservation of the materials and methods of such computational experiments with clear annotations is essential for...
[ { "created": "Tue, 12 Nov 2013 14:23:33 GMT", "version": "v1" }, { "created": "Mon, 18 Aug 2014 13:28:07 GMT", "version": "v2" }, { "created": "Fri, 19 Sep 2014 10:37:56 GMT", "version": "v3" } ]
2014-09-22
[ [ "Hettne", "Kristina M.", "" ], [ "Dharuri", "Harish", "" ], [ "Zhao", "Jun", "" ], [ "Wolstencroft", "Katherine", "" ], [ "Belhajjame", "Khalid", "" ], [ "Soiland-Reyes", "Stian", "" ], [ "Mina", "Eleni", "...
One of the main challenges for biomedical research lies in the computer-assisted integrative study of large and increasingly complex combinations of data in order to understand molecular mechanisms. The preservation of the materials and methods of such computational experiments with clear annotations is essential for u...
1508.02408
Michael Margaliot
Alon Raveh and Michael Margaliot and Eduardo D. Sontag and Tamir Tuller
A Model for Competition for Ribosomes in the Cell
null
null
null
null
q-bio.GN
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Large-scale simultaneous mRNA translation and the resulting competition for the available ribosomes has important implications to the cell's functioning and evolution. Developing a better understanding of the intricate correlations between these simultaneous processes, rather than focusing on the translation of a sin...
[ { "created": "Mon, 10 Aug 2015 20:11:06 GMT", "version": "v1" } ]
2015-08-12
[ [ "Raveh", "Alon", "" ], [ "Margaliot", "Michael", "" ], [ "Sontag", "Eduardo D.", "" ], [ "Tuller", "Tamir", "" ] ]
Large-scale simultaneous mRNA translation and the resulting competition for the available ribosomes has important implications to the cell's functioning and evolution. Developing a better understanding of the intricate correlations between these simultaneous processes, rather than focusing on the translation of a singl...
2104.13146
Zheng Zhao
Zheng Zhao and Philip E. Bourne
Using the structural kinome to systematize kinase drug discovery
22 pages, 2 figures, 3 tables
null
null
null
q-bio.BM q-bio.MN
http://creativecommons.org/licenses/by-nc-sa/4.0/
Kinase-targeted drug design is challenging. It requires designing inhibitors that can bind to specific kinases when all kinase catalytic domains share a common folding scaffold that binds ATP. Thus, obtaining the desired selectivity, given the whole human kinome, is a fundamental task during early-stage drug discover...
[ { "created": "Tue, 27 Apr 2021 12:47:33 GMT", "version": "v1" } ]
2021-04-28
[ [ "Zhao", "Zheng", "" ], [ "Bourne", "Philip E.", "" ] ]
Kinase-targeted drug design is challenging. It requires designing inhibitors that can bind to specific kinases when all kinase catalytic domains share a common folding scaffold that binds ATP. Thus, obtaining the desired selectivity, given the whole human kinome, is a fundamental task during early-stage drug discovery....
q-bio/0403032
Tzipe Govezensky
Jose A Garcia, Samantha Alvarez, Alejandro Flores, Tzipe Govezensky, Juan R. Bobadilla, Marco V. Jose
Statistical analysis of the distribution of amino acids in Borrelia burgdorferi genome under different genetic codes
7 pages,1 figure
null
10.1016/j.physa.2004.04.090
null
q-bio.GN
null
The genetic code is considered to be universal. In order to test if some statistical properties of the coding bacterial genome were due to inherent properties of the genetic code, we compared the autocorrelation function, the scaling properties and the maximum entropy of the distribution of distances of amino acids i...
[ { "created": "Mon, 22 Mar 2004 22:52:01 GMT", "version": "v1" } ]
2009-11-10
[ [ "Garcia", "Jose A", "" ], [ "Alvarez", "Samantha", "" ], [ "Flores", "Alejandro", "" ], [ "Govezensky", "Tzipe", "" ], [ "Bobadilla", "Juan R.", "" ], [ "Jose", "Marco V.", "" ] ]
The genetic code is considered to be universal. In order to test if some statistical properties of the coding bacterial genome were due to inherent properties of the genetic code, we compared the autocorrelation function, the scaling properties and the maximum entropy of the distribution of distances of amino acids in ...
1812.06186
Felix Meister
Felix Meister, Tiziano Passerini, Viorel Mihalef, Ahmet Tuysuzoglu, Andreas Maier and Tommaso Mansi
Towards Fast Biomechanical Modeling of Soft Tissue Using Neural Networks
Accepted in Medical Imaging meets NeurIPS Workshop, NeurIPS 2018
null
null
null
q-bio.QM physics.med-ph q-bio.TO
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
To date, the simulation of organ deformations for applications like therapy planning or image-guided interventions is calculated by solving the elastodynamics equations. While efficient solvers have been proposed for fast simulations, methods that are both real-time and accurate are still an open challenge. An ideal,...
[ { "created": "Thu, 13 Dec 2018 18:57:53 GMT", "version": "v1" } ]
2018-12-18
[ [ "Meister", "Felix", "" ], [ "Passerini", "Tiziano", "" ], [ "Mihalef", "Viorel", "" ], [ "Tuysuzoglu", "Ahmet", "" ], [ "Maier", "Andreas", "" ], [ "Mansi", "Tommaso", "" ] ]
To date, the simulation of organ deformations for applications like therapy planning or image-guided interventions is calculated by solving the elastodynamics equations. While efficient solvers have been proposed for fast simulations, methods that are both real-time and accurate are still an open challenge. An ideal, i...
1511.03963
Alexandre Ferreira Ramos
Guilherme N. Prata, Jos\'e Eduardo M. Hornos, Alexandre F. Ramos
A stochastic model for gene transcription on Drosophila melanogaster embryos
27 pages, 6 figures in Phys. Rev. E 2015
Phys. Rev. E 93, 022403 (2016)
10.1103/PhysRevE.93.022403
null
q-bio.SC
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We examine immunostaining experimental data for the formation of the strip 2 of $even-skipped$ ($eve$) transcripts on $D.$ $melanogaster$ embryos. An estimate of the factor converting immunofluorescence intensity units into molecular numbers is given. The analysis of the $eve$ mRNA's dynamics at the region of the str...
[ { "created": "Thu, 12 Nov 2015 16:55:53 GMT", "version": "v1" } ]
2016-02-10
[ [ "Prata", "Guilherme N.", "" ], [ "Hornos", "José Eduardo M.", "" ], [ "Ramos", "Alexandre F.", "" ] ]
We examine immunostaining experimental data for the formation of the strip 2 of $even-skipped$ ($eve$) transcripts on $D.$ $melanogaster$ embryos. An estimate of the factor converting immunofluorescence intensity units into molecular numbers is given. The analysis of the $eve$ mRNA's dynamics at the region of the strip...
1610.04962
Omid Sadat Rezai
Omid Rezai, Pinar Boyraz Jentsch, Bryan Tripp
A Rich Source of Labels for Deep Network Models of the Primate Dorsal Visual Stream
null
null
null
null
q-bio.NC
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Deep convolutional neural networks (CNNs) have structures that are loosely related to that of the primate visual cortex. Surprisingly, when these networks are trained for object classification, the activity of their early, intermediate, and later layers becomes closely related to activity patterns in corresponding pa...
[ { "created": "Mon, 17 Oct 2016 03:16:58 GMT", "version": "v1" } ]
2016-10-18
[ [ "Rezai", "Omid", "" ], [ "Jentsch", "Pinar Boyraz", "" ], [ "Tripp", "Bryan", "" ] ]
Deep convolutional neural networks (CNNs) have structures that are loosely related to that of the primate visual cortex. Surprisingly, when these networks are trained for object classification, the activity of their early, intermediate, and later layers becomes closely related to activity patterns in corresponding part...
0905.4092
Pankaj Mehta
Pankaj Mehta, Sidhartha Goyal, Tao Long, Bonnie Bassler, Ned S. Wingreen
Information processing and signal integration in bacterial quorum sensing
Supporting information is in appendix
null
null
null
q-bio.MN q-bio.QM
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Bacteria communicate using secreted chemical signaling molecules called autoinducers in a process known as quorum sensing. The quorum-sensing network of the marine bacterium {\it Vibrio harveyi} employs three autoinducers, each known to encode distinct ecological information. Yet how cells integrate and interpret the...
[ { "created": "Mon, 25 May 2009 22:50:20 GMT", "version": "v1" } ]
2009-05-27
[ [ "Mehta", "Pankaj", "" ], [ "Goyal", "Sidhartha", "" ], [ "Long", "Tao", "" ], [ "Bassler", "Bonnie", "" ], [ "Wingreen", "Ned S.", "" ] ]
Bacteria communicate using secreted chemical signaling molecules called autoinducers in a process known as quorum sensing. The quorum-sensing network of the marine bacterium {\it Vibrio harveyi} employs three autoinducers, each known to encode distinct ecological information. Yet how cells integrate and interpret the i...
2209.09971
Luciano Stucchi
Luciano Stucchi, Javier Galeano, Juan Manuel Pastor, Jos\'e Mar\'ia Iriondo, Jos\'e A. Cuesta
Prevalence of mutualism in a simple model of microbial co-evolution
13 pages, 11 figures, 2 tables, includes Supplementary Material
Physical Review E 106, 054401 (2022)
10.1103/PhysRevE.106.054401
null
q-bio.PE
http://creativecommons.org/licenses/by/4.0/
Evolutionary transitions among ecological interactions are widely known, although their detailed dynamics remain absent for most population models. Adaptive dynamics has been used to illustrate how the parameters of population models might shift through evolution, but within an ecological regime. Here we use adaptive...
[ { "created": "Tue, 20 Sep 2022 20:00:34 GMT", "version": "v1" }, { "created": "Thu, 22 Sep 2022 04:41:55 GMT", "version": "v2" } ]
2022-11-14
[ [ "Stucchi", "Luciano", "" ], [ "Galeano", "Javier", "" ], [ "Pastor", "Juan Manuel", "" ], [ "Iriondo", "José María", "" ], [ "Cuesta", "José A.", "" ] ]
Evolutionary transitions among ecological interactions are widely known, although their detailed dynamics remain absent for most population models. Adaptive dynamics has been used to illustrate how the parameters of population models might shift through evolution, but within an ecological regime. Here we use adaptive d...
q-bio/0410028
Binder Hans
Hans Binder and Stephan Preibisch
Specific and non specific hybridization of oligonucleotide probes on microarrays
null
null
10.1529/biophysj.104.055343
null
q-bio.BM
null
Gene expression analysis by means of microarrays is based on the sequence specific binding of mRNA to DNA oligonucleotide probes and its measurement using fluorescent labels. The binding of RNA fragments involving other sequences than the intended target is problematic because it adds a "chemical background" to the s...
[ { "created": "Mon, 25 Oct 2004 09:15:36 GMT", "version": "v1" }, { "created": "Mon, 11 Apr 2005 15:57:06 GMT", "version": "v2" } ]
2009-11-10
[ [ "Binder", "Hans", "" ], [ "Preibisch", "Stephan", "" ] ]
Gene expression analysis by means of microarrays is based on the sequence specific binding of mRNA to DNA oligonucleotide probes and its measurement using fluorescent labels. The binding of RNA fragments involving other sequences than the intended target is problematic because it adds a "chemical background" to the sig...
1703.05428
Yu Takagi
Yu Takagi, Yuki Sakai, Giuseppe Lisi, Noriaki Yahata, Yoshinari Abe, Seiji Nishida, Takashi Nakamae, Jun Morimoto, Mitsuo Kawato, Jin Narumoto and Saori C. Tanaka
A neural marker of obsessive-compulsive disorder from whole-brain functional connectivity
47 pages, 3 figures
Sci Rep. 2017 Aug 8;7(1):7538
10.1038/s41598-017-07792-7
null
q-bio.NC
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Obsessive-compulsive disorder (OCD) is a common psychiatric disorder with a lifetime prevalence of 2-3 percent. Recently, brain activity in the resting state is gathering attention as a new means of exploring altered functional connectivity in psychiatric disorders. Although previous resting-state functional magnetic...
[ { "created": "Wed, 15 Mar 2017 23:54:37 GMT", "version": "v1" }, { "created": "Wed, 6 Sep 2017 16:53:09 GMT", "version": "v2" } ]
2017-09-07
[ [ "Takagi", "Yu", "" ], [ "Sakai", "Yuki", "" ], [ "Lisi", "Giuseppe", "" ], [ "Yahata", "Noriaki", "" ], [ "Abe", "Yoshinari", "" ], [ "Nishida", "Seiji", "" ], [ "Nakamae", "Takashi", "" ], [ "Morim...
Obsessive-compulsive disorder (OCD) is a common psychiatric disorder with a lifetime prevalence of 2-3 percent. Recently, brain activity in the resting state is gathering attention as a new means of exploring altered functional connectivity in psychiatric disorders. Although previous resting-state functional magnetic r...
2302.12381
Md Nurul Anwar
Md Nurul Anwar, Roslyn I. Hickson, Somya Mehra, David J. Price, James M. McCaw, Mark B. Flegg, and Jennifer A. Flegg
Optimal interruption of P. vivax malaria transmission using mass drug administration
39 pages, 14 figures
null
10.1007/s11538-023-01153-4
null
q-bio.PE
http://creativecommons.org/licenses/by/4.0/
\textit{Plasmodium vivax} is the most geographically widespread malaria-causing parasite resulting in significant associated global morbidity and mortality. One of the factors driving this widespread phenomenon is the ability of the parasites to remain dormant in the liver. Known as hypnozoites, they reside in the li...
[ { "created": "Fri, 24 Feb 2023 00:59:14 GMT", "version": "v1" } ]
2023-09-18
[ [ "Anwar", "Md Nurul", "" ], [ "Hickson", "Roslyn I.", "" ], [ "Mehra", "Somya", "" ], [ "Price", "David J.", "" ], [ "McCaw", "James M.", "" ], [ "Flegg", "Mark B.", "" ], [ "Flegg", "Jennifer A.", "" ] ]
\textit{Plasmodium vivax} is the most geographically widespread malaria-causing parasite resulting in significant associated global morbidity and mortality. One of the factors driving this widespread phenomenon is the ability of the parasites to remain dormant in the liver. Known as hypnozoites, they reside in the live...
2007.13028
Aubain Nzokem PhD
Aubain Nzokem and Neal Madras
epidemic dynamics and adaptive vaccination strategy: renewal equation approach
null
Bull Math Biol 82, 122 (2020)
10.1007/s11538-020-00802-2
null
q-bio.PE math.CA
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We use analytical methods to investigate a continuous vaccination strategy effects on the infectious disease dynamics in a closed population and a demographically open population. The methodology and key assumptions are based on Breda et al (2012). We show that the cumulative force of infection for the closed populat...
[ { "created": "Sat, 25 Jul 2020 22:56:42 GMT", "version": "v1" } ]
2020-09-24
[ [ "Nzokem", "Aubain", "" ], [ "Madras", "Neal", "" ] ]
We use analytical methods to investigate a continuous vaccination strategy effects on the infectious disease dynamics in a closed population and a demographically open population. The methodology and key assumptions are based on Breda et al (2012). We show that the cumulative force of infection for the closed populatio...
1005.3244
Valmir Barbosa
Valmir C. Barbosa, Raul Donangelo, Sergio R. Souza
Early appraisal of the fixation probability in directed networks
null
Physical Review E 82 (2010), 046114
10.1103/PhysRevE.82.046114
null
q-bio.PE cond-mat.stat-mech
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
In evolutionary dynamics, the probability that a mutation spreads through the whole population, having arisen in a single individual, is known as the fixation probability. In general, it is not possible to find the fixation probability analytically given the mutant's fitness and the topological constraints that gover...
[ { "created": "Tue, 18 May 2010 16:20:30 GMT", "version": "v1" } ]
2010-10-26
[ [ "Barbosa", "Valmir C.", "" ], [ "Donangelo", "Raul", "" ], [ "Souza", "Sergio R.", "" ] ]
In evolutionary dynamics, the probability that a mutation spreads through the whole population, having arisen in a single individual, is known as the fixation probability. In general, it is not possible to find the fixation probability analytically given the mutant's fitness and the topological constraints that govern ...
0710.3784
Carlos Gershenson
Carlos Gershenson and Tom Lenaerts
Evolution of Complexity
Introduction to Special Issue
Artificial Life 14(3): 241-243. 2008
10.1162/artl.2008.14.3.14300
null
q-bio.PE
null
The evolution of complexity has been a central theme for Biology [2] and Artificial Life research [1]. It is generally agreed that complexity has increased in our universe, giving way to life, multi-cellularity, societies, and systems of higher complexities. However, the mechanisms behind the complexification and its...
[ { "created": "Fri, 19 Oct 2007 20:46:09 GMT", "version": "v1" } ]
2011-09-06
[ [ "Gershenson", "Carlos", "" ], [ "Lenaerts", "Tom", "" ] ]
The evolution of complexity has been a central theme for Biology [2] and Artificial Life research [1]. It is generally agreed that complexity has increased in our universe, giving way to life, multi-cellularity, societies, and systems of higher complexities. However, the mechanisms behind the complexification and its r...
2306.03162
A. David Redish
Ugurcan Mugan, Seiichiro Amemiya, Paul S. Regier, A. David Redish
Navigation through the complex world -- the neurophysiology of decision-making processes
null
null
null
null
q-bio.NC
http://creativecommons.org/licenses/by-sa/4.0/
Current theories suggest that adaptive decision-making necessitates the interaction between multiple decision-making systems. The computational definitions of different models of decision-making suggest interactions with task demands and complexity. We review these computational theories and derive experimental predi...
[ { "created": "Mon, 5 Jun 2023 18:16:49 GMT", "version": "v1" }, { "created": "Thu, 27 Jul 2023 13:38:16 GMT", "version": "v2" } ]
2023-07-28
[ [ "Mugan", "Ugurcan", "" ], [ "Amemiya", "Seiichiro", "" ], [ "Regier", "Paul S.", "" ], [ "Redish", "A. David", "" ] ]
Current theories suggest that adaptive decision-making necessitates the interaction between multiple decision-making systems. The computational definitions of different models of decision-making suggest interactions with task demands and complexity. We review these computational theories and derive experimental predict...
2212.06995
Maximilian Nguyen
Sinan A. Ozbay, Bjarke F. Nielsen, Maximilian M. Nguyen
Bifurcations in the Herd Immunity Threshold for Discrete-Time Models of Epidemic Spread
null
null
null
null
q-bio.PE cs.SI physics.soc-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We performed a thorough sensitivity analysis of the herd immunity threshold for discrete-time SIR compartmental models with a static network structure. We find unexpectedly that these models violate classical intuition which holds that the herd immunity threshold should monotonically increase with the transmission pa...
[ { "created": "Wed, 14 Dec 2022 03:04:46 GMT", "version": "v1" }, { "created": "Wed, 21 Dec 2022 00:25:35 GMT", "version": "v2" }, { "created": "Fri, 24 Feb 2023 15:47:21 GMT", "version": "v3" } ]
2023-02-27
[ [ "Ozbay", "Sinan A.", "" ], [ "Nielsen", "Bjarke F.", "" ], [ "Nguyen", "Maximilian M.", "" ] ]
We performed a thorough sensitivity analysis of the herd immunity threshold for discrete-time SIR compartmental models with a static network structure. We find unexpectedly that these models violate classical intuition which holds that the herd immunity threshold should monotonically increase with the transmission para...
1009.3697
Changbong Hyeon
Changbong Hyeon
Exploring the energy landscape of biopolymers using single molecule force spectroscopy and molecular simulations
32 pages, 4 figures, Book Chapter in "Simulations in Nanobiotechnology"
null
null
null
q-bio.BM
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
In recent years, single molecule force techniques have opened a new avenue to decipher the folding landscapes of biopolymers by allowing us to watch and manipulate the dynamics of individual proteins and nucleic acids. In single molecule force experiments, quantitative analyses of measurements employing sound theoret...
[ { "created": "Mon, 20 Sep 2010 05:50:06 GMT", "version": "v1" } ]
2016-11-25
[ [ "Hyeon", "Changbong", "" ] ]
In recent years, single molecule force techniques have opened a new avenue to decipher the folding landscapes of biopolymers by allowing us to watch and manipulate the dynamics of individual proteins and nucleic acids. In single molecule force experiments, quantitative analyses of measurements employing sound theoretic...
0904.1637
Timothy Saunders
Timothy E Saunders and Martin Howard
Morphogen Profiles Can Be Optimised to Buffer Against Noise
5 pages, 3 figures
Physical Review E: 80, 041902 (October 2009)
10.1103/PhysRevE.80.041902
null
q-bio.MN cond-mat.soft cond-mat.stat-mech physics.bio-ph q-bio.CB
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Morphogen profiles play a vital role in biology by specifying position in embryonic development. However, the factors that influence the shape of a morphogen profile remain poorly understood. Since morphogens should provide precise positional information, one significant factor is the robustness of the profile to noi...
[ { "created": "Fri, 10 Apr 2009 13:26:56 GMT", "version": "v1" } ]
2009-11-27
[ [ "Saunders", "Timothy E", "" ], [ "Howard", "Martin", "" ] ]
Morphogen profiles play a vital role in biology by specifying position in embryonic development. However, the factors that influence the shape of a morphogen profile remain poorly understood. Since morphogens should provide precise positional information, one significant factor is the robustness of the profile to noise...
2001.11589
Gurcan Comert
Nurullah Arslan, Kazim Besirli, Gurcan Comert, Omer F Beyca
Computational Fluid Dynamic Simulations In a Model of a Carotid Bifurcation Under Steady Flow Conditions
4 Pages, 7 figures, 4th International Advanced Technologies Symposium September 28 30, 2005, Konya, Turkey
null
null
null
q-bio.TO physics.flu-dyn
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Strokes are still one of the leading causes for death after heart diseases and cancer in all over the world. Most strokes happen because an artery that carries blood uphill from the heart to the head gets clogged. Most of the time, as with heart attacks, the problem is atherosclerosis, hardening of the arteries, calc...
[ { "created": "Thu, 16 Jan 2020 15:00:06 GMT", "version": "v1" } ]
2020-02-03
[ [ "Arslan", "Nurullah", "" ], [ "Besirli", "Kazim", "" ], [ "Comert", "Gurcan", "" ], [ "Beyca", "Omer F", "" ] ]
Strokes are still one of the leading causes for death after heart diseases and cancer in all over the world. Most strokes happen because an artery that carries blood uphill from the heart to the head gets clogged. Most of the time, as with heart attacks, the problem is atherosclerosis, hardening of the arteries, calcif...
2311.13000
Reza Bozorgpour
Reza Bozorgpour
Computational Explorations in Biomedicine: Unraveling Molecular Dynamics for Cancer, Drug Delivery, and Biomolecular Insights using LAMMPS Simulations
16 pages- 11 figures
null
null
null
q-bio.BM
http://creativecommons.org/licenses/by-nc-sa/4.0/
With the rapid advancement of computational techniques, Molecular Dynamics (MD) simulations have emerged as powerful tools in biomedical research, enabling in-depth investigations of biological systems at the atomic level. Among the diverse range of simulation software available, LAMMPS (Large-scale Atomic/Molecular ...
[ { "created": "Tue, 21 Nov 2023 21:21:23 GMT", "version": "v1" }, { "created": "Sun, 30 Jun 2024 20:46:02 GMT", "version": "v2" }, { "created": "Tue, 9 Jul 2024 05:30:42 GMT", "version": "v3" } ]
2024-07-10
[ [ "Bozorgpour", "Reza", "" ] ]
With the rapid advancement of computational techniques, Molecular Dynamics (MD) simulations have emerged as powerful tools in biomedical research, enabling in-depth investigations of biological systems at the atomic level. Among the diverse range of simulation software available, LAMMPS (Large-scale Atomic/Molecular Ma...
2110.01806
Teresa Head-Gordon
Jie Li, Oufan Zhang, Yingze Wang, Kunyang Sun, Xingyi Guan, Dorian Bagni, Mojtaba Haghighatlari, Fiona L. Kearns, Conor Parks, Rommie E.Amaro, Teresa Head-Gordon
Mining for Potent Inhibitors through Artificial Intelligence and Physics: A Unified Methodology for Ligand Based and Structure Based Drug Design
null
null
null
null
q-bio.BM physics.bio-ph physics.chem-ph physics.data-an
http://creativecommons.org/licenses/by/4.0/
The viability of a new drug molecule is a time and resource intensive task that makes computer-aided assessments a vital approach to rapid drug discovery. Here we develop a machine learning algorithm, iMiner, that generates novel inhibitor molecules for target proteins by combining deep reinforcement learning with re...
[ { "created": "Tue, 5 Oct 2021 03:45:15 GMT", "version": "v1" }, { "created": "Wed, 10 Jan 2024 18:14:37 GMT", "version": "v2" } ]
2024-01-11
[ [ "Li", "Jie", "" ], [ "Zhang", "Oufan", "" ], [ "Wang", "Yingze", "" ], [ "Sun", "Kunyang", "" ], [ "Guan", "Xingyi", "" ], [ "Bagni", "Dorian", "" ], [ "Haghighatlari", "Mojtaba", "" ], [ "Kearns", ...
The viability of a new drug molecule is a time and resource intensive task that makes computer-aided assessments a vital approach to rapid drug discovery. Here we develop a machine learning algorithm, iMiner, that generates novel inhibitor molecules for target proteins by combining deep reinforcement learning with real...
2405.10035
Alessio Perinelli
Alessio Perinelli, Leonardo Ricci
A quality control analysis of the resting state hypothesis via permutation entropy on EEG recordings
17 pages, 6 figures. Submitted to: Chaos
null
null
null
q-bio.NC
http://creativecommons.org/licenses/by-nc-nd/4.0/
The analysis of electrophysiological recordings of the human brain in resting state is a key experimental technique in neuroscience. Resting state is indeed the default condition to characterize brain dynamics. Its successful implementation relies both on the capacity of subjects to comply with the requirement of sta...
[ { "created": "Thu, 16 May 2024 12:16:03 GMT", "version": "v1" } ]
2024-05-17
[ [ "Perinelli", "Alessio", "" ], [ "Ricci", "Leonardo", "" ] ]
The analysis of electrophysiological recordings of the human brain in resting state is a key experimental technique in neuroscience. Resting state is indeed the default condition to characterize brain dynamics. Its successful implementation relies both on the capacity of subjects to comply with the requirement of stayi...
2406.02623
Sabrina Toro
Kathleen R. Mullen (1), Imke Tammen (2), Nicolas A. Matentzoglu (3), Marius Mather (2), Christopher J. Mungall (4), Melissa A. Haendel (5), Frank W. Nicholas (2), Sabrina Toro (5), the Vertebrate Breed Ontology Consortium ((1) University of Colorado Anschutz Medical Campus, (2) University of Sydney, (3) Semanti...
The Vertebrate Breed Ontology: Towards Effective Breed Data Standardization
null
null
null
null
q-bio.OT cs.DL
http://creativecommons.org/licenses/by/4.0/
Background: Limited universally adopted data standards in veterinary science hinders data interoperability and therefore integration and comparison; this ultimately impedes application of existing information-based tools to support advancement in veterinary diagnostics, treatments, and precision medicine. Objective...
[ { "created": "Mon, 3 Jun 2024 20:06:41 GMT", "version": "v1" } ]
2024-06-06
[ [ "Mullen", "Kathleen R.", "" ], [ "Tammen", "Imke", "" ], [ "Matentzoglu", "Nicolas A.", "" ], [ "Mather", "Marius", "" ], [ "Mungall", "Christopher J.", "" ], [ "Haendel", "Melissa A.", "" ], [ "Nicholas", "Fra...
Background: Limited universally adopted data standards in veterinary science hinders data interoperability and therefore integration and comparison; this ultimately impedes application of existing information-based tools to support advancement in veterinary diagnostics, treatments, and precision medicine. Objectives: C...
1605.07789
Mark Leake
Helen Miller, Adam J. M. Wollman, Mark C. Leake
Designing a single-molecule biophysics tool for characterizing DNA damage for techniques that kill infectious pathogens through DNA damage effects
null
null
null
null
q-bio.BM
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Antibiotics such as the quinolones and fluoroquinolones kill bacterial pathogens ultimately through DNA damage. They target the essential type IIA topoisomerases in bacteria by stabilising the normally transient double strand break state which is created to modify the supercoiling state of the DNA. Here we discuss th...
[ { "created": "Wed, 25 May 2016 09:17:38 GMT", "version": "v1" } ]
2016-05-26
[ [ "Miller", "Helen", "" ], [ "Wollman", "Adam J. M.", "" ], [ "Leake", "Mark C.", "" ] ]
Antibiotics such as the quinolones and fluoroquinolones kill bacterial pathogens ultimately through DNA damage. They target the essential type IIA topoisomerases in bacteria by stabilising the normally transient double strand break state which is created to modify the supercoiling state of the DNA. Here we discuss the ...
2108.02315
Scott Greenhalgh
Alisha Kumari, Elijah Reece, Kursad Tosun, Scott Greenhalgh
On the origin of zombies: a modeling approach
null
null
null
null
q-bio.PE
http://creativecommons.org/licenses/by-nc-nd/4.0/
A zombie apocalypse is one pandemic that would likely be worse than anything humanity has ever seen. However, despite the mechanisms for zombie uprisings in pop culture, it is unknown whether zombies, from an evolutionary point of view, can actually rise from the dead. To provide insight into this unknown, we created...
[ { "created": "Wed, 4 Aug 2021 23:36:06 GMT", "version": "v1" } ]
2021-08-06
[ [ "Kumari", "Alisha", "" ], [ "Reece", "Elijah", "" ], [ "Tosun", "Kursad", "" ], [ "Greenhalgh", "Scott", "" ] ]
A zombie apocalypse is one pandemic that would likely be worse than anything humanity has ever seen. However, despite the mechanisms for zombie uprisings in pop culture, it is unknown whether zombies, from an evolutionary point of view, can actually rise from the dead. To provide insight into this unknown, we created a...
1512.00844
Soumya Banerjee
Soumya Banerjee
Optimal Strategies for Virus Propagation
10 pages, 3 figures
null
null
null
q-bio.CB
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
This paper explores a number of questions regarding optimal strategies evolved by viruses upon entry into a vertebrate host. The infected cell life cycle consists of a non-productively infected stage in which it is producing virions but not releasing them and of a productively infected stage in which it is just relea...
[ { "created": "Wed, 2 Dec 2015 10:25:33 GMT", "version": "v1" }, { "created": "Sat, 6 Feb 2016 23:05:55 GMT", "version": "v2" } ]
2016-02-09
[ [ "Banerjee", "Soumya", "" ] ]
This paper explores a number of questions regarding optimal strategies evolved by viruses upon entry into a vertebrate host. The infected cell life cycle consists of a non-productively infected stage in which it is producing virions but not releasing them and of a productively infected stage in which it is just releasi...
2311.03421
Arnau Marin-Llobet
Arnau Marin-Llobet and Arnau Manasanch and Maria V. Sanchez-Vives
Hopfield-Enhanced Deep Neural Networks for Artifact-Resilient Brain State Decoding
null
null
null
null
q-bio.NC cs.LG
http://creativecommons.org/licenses/by/4.0/
The study of brain states, ranging from highly synchronous to asynchronous neuronal patterns like the sleep-wake cycle, is fundamental for assessing the brain's spatiotemporal dynamics and their close connection to behavior. However, the development of new techniques to accurately identify them still remains a challe...
[ { "created": "Mon, 6 Nov 2023 15:08:13 GMT", "version": "v1" }, { "created": "Thu, 9 Nov 2023 17:39:47 GMT", "version": "v2" }, { "created": "Fri, 10 Nov 2023 16:52:26 GMT", "version": "v3" } ]
2023-11-13
[ [ "Marin-Llobet", "Arnau", "" ], [ "Manasanch", "Arnau", "" ], [ "Sanchez-Vives", "Maria V.", "" ] ]
The study of brain states, ranging from highly synchronous to asynchronous neuronal patterns like the sleep-wake cycle, is fundamental for assessing the brain's spatiotemporal dynamics and their close connection to behavior. However, the development of new techniques to accurately identify them still remains a challeng...
2310.01743
Rebekah Rogers
James E. Titus-McQuillan, Brandon A. Turner, Rebekah L. Rogers
Sex-specific ultraviolet radiation tolerance across Drosophila
18 pages text. 5 figures. 4 tables
null
null
null
q-bio.PE q-bio.GN
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The genetic basis of phenotypic differences between species is among the most longstanding questions in evolutionary biology. How new genes form and the processes selection acts to produce differences across species are fundamental to understand how species persist and evolve in an ever-changing environment. Adaptati...
[ { "created": "Tue, 3 Oct 2023 02:10:08 GMT", "version": "v1" } ]
2023-10-04
[ [ "Titus-McQuillan", "James E.", "" ], [ "Turner", "Brandon A.", "" ], [ "Rogers", "Rebekah L.", "" ] ]
The genetic basis of phenotypic differences between species is among the most longstanding questions in evolutionary biology. How new genes form and the processes selection acts to produce differences across species are fundamental to understand how species persist and evolve in an ever-changing environment. Adaptation...
2303.14448
Trevor McCourt
Trevor McCourt, Ila R. Fiete, Isaac L. Chuang
Noisy dynamical systems evolve error correcting codes and modularity
7 pages 4 figures
null
null
null
q-bio.PE nlin.AO q-bio.NC
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Noise is a ubiquitous feature of the physical world. As a result, the first prerequisite of life is fault tolerance: maintaining integrity of state despite external bombardment. Recent experimental advances have revealed that biological systems achieve fault tolerance by implementing mathematically intricate error-co...
[ { "created": "Sat, 25 Mar 2023 11:54:18 GMT", "version": "v1" }, { "created": "Wed, 12 Apr 2023 22:16:35 GMT", "version": "v2" } ]
2023-04-14
[ [ "McCourt", "Trevor", "" ], [ "Fiete", "Ila R.", "" ], [ "Chuang", "Isaac L.", "" ] ]
Noise is a ubiquitous feature of the physical world. As a result, the first prerequisite of life is fault tolerance: maintaining integrity of state despite external bombardment. Recent experimental advances have revealed that biological systems achieve fault tolerance by implementing mathematically intricate error-corr...
1512.03094
Pedro Jeferson Miranda
Pedro Jeferson Miranda, Sandro Ely de Souza Pinto, Murilo da Silva Baptista and Giuliano Gadioli La Guardia
Theoretical knock-outs on biological networks
null
null
null
null
q-bio.MN
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
In this work we formalize a method to compute the degree of importance of biological agents that participates on the dynamics of a biological phenomenon build upon a complex network. We call this new procedure by theoretical knock-out (KO). To devise this method, we make two approaches: algebraically and algorithmica...
[ { "created": "Tue, 1 Dec 2015 04:01:01 GMT", "version": "v1" } ]
2015-12-11
[ [ "Miranda", "Pedro Jeferson", "" ], [ "Pinto", "Sandro Ely de Souza", "" ], [ "Baptista", "Murilo da Silva", "" ], [ "La Guardia", "Giuliano Gadioli", "" ] ]
In this work we formalize a method to compute the degree of importance of biological agents that participates on the dynamics of a biological phenomenon build upon a complex network. We call this new procedure by theoretical knock-out (KO). To devise this method, we make two approaches: algebraically and algorithmicall...
2203.11402
Eleanor Dunlop Mrs
Eleanor Dunlop, Jette Jakobsen, Marie Bagge Jensen, Jayashree Arcot, Liang Qiao, Judy Cunningham and Lucinda J Black
Vitamin K content of cheese, yoghurt and meat products in Australia
23 pages, 2 tables
null
null
null
q-bio.OT
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Vitamin K is vital for normal blood coagulation, and may influence bone, neurological and vascular health. Data on the vitamin K content of Australian foods are limited, preventing estimation of vitamin K intakes in the Australian population. We measured phylloquinone (PK) and menaquinone (MK) -4 to -10 in cheese, yo...
[ { "created": "Tue, 22 Mar 2022 00:50:11 GMT", "version": "v1" } ]
2022-03-23
[ [ "Dunlop", "Eleanor", "" ], [ "Jakobsen", "Jette", "" ], [ "Jensen", "Marie Bagge", "" ], [ "Arcot", "Jayashree", "" ], [ "Qiao", "Liang", "" ], [ "Cunningham", "Judy", "" ], [ "Black", "Lucinda J", "" ] ]
Vitamin K is vital for normal blood coagulation, and may influence bone, neurological and vascular health. Data on the vitamin K content of Australian foods are limited, preventing estimation of vitamin K intakes in the Australian population. We measured phylloquinone (PK) and menaquinone (MK) -4 to -10 in cheese, yogh...
2309.00694
William Cuello
William S. Cuello, Marcio Gameiro, Juan A. Bonachela, and Konstantin Mischaikow
Inferring Long-term Dynamics of Ecological Communities Using Combinatorics
25 pages, 9 figures
null
null
null
q-bio.PE math.CO math.DS q-bio.QM
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
In an increasingly changing world, predicting the fate of species across the globe has become a major concern. Understanding how the population dynamics of various species and communities will unfold requires predictive tools that experimental data alone can not capture. Here, we introduce our combinatorial framework...
[ { "created": "Fri, 1 Sep 2023 18:27:54 GMT", "version": "v1" } ]
2023-09-06
[ [ "Cuello", "William S.", "" ], [ "Gameiro", "Marcio", "" ], [ "Bonachela", "Juan A.", "" ], [ "Mischaikow", "Konstantin", "" ] ]
In an increasingly changing world, predicting the fate of species across the globe has become a major concern. Understanding how the population dynamics of various species and communities will unfold requires predictive tools that experimental data alone can not capture. Here, we introduce our combinatorial framework, ...
1503.07518
Sadie Ryan
Sadie J. Ryan, Tal Ben-Horin, Leah R. Johnson
Malaria control and senescence: the importance of accounting for the pace and shape of aging in wild mosquitoes
35 + 214 pages, 4 figures, 1 table, 1 supplemental figure, 1 supplemental table, +1 appendix [Ecological Archives]
Ecosphere 6(9):170 (2015)
10.1890/ES15-00094.1
null
q-bio.PE
http://creativecommons.org/licenses/by/4.0/
The assumption that vector mortality remains constant with age is used widely to assess malaria transmission risk and predict the public health consequences of vector control strategies. However, laboratory studies commonly demonstrate clear evidence of senescence, or a decrease in physiological function and increase...
[ { "created": "Wed, 25 Mar 2015 17:44:54 GMT", "version": "v1" }, { "created": "Wed, 27 May 2015 20:03:28 GMT", "version": "v2" }, { "created": "Wed, 30 Sep 2015 01:16:55 GMT", "version": "v3" } ]
2015-10-01
[ [ "Ryan", "Sadie J.", "" ], [ "Ben-Horin", "Tal", "" ], [ "Johnson", "Leah R.", "" ] ]
The assumption that vector mortality remains constant with age is used widely to assess malaria transmission risk and predict the public health consequences of vector control strategies. However, laboratory studies commonly demonstrate clear evidence of senescence, or a decrease in physiological function and increase i...
2202.07290
Pierre Orhan
Pierre Orhan, Yves Boubenec, Jean-R\'emi King
Don't stop the training: continuously-updating self-supervised algorithms best account for auditory responses in the cortex
null
null
null
null
q-bio.NC cs.AI cs.LG
http://creativecommons.org/licenses/by/4.0/
Over the last decade, numerous studies have shown that deep neural networks exhibit sensory representations similar to those of the mammalian brain, in that their activations linearly map onto cortical responses to the same sensory inputs. However, it remains unknown whether these artificial networks also learn like ...
[ { "created": "Tue, 15 Feb 2022 10:12:56 GMT", "version": "v1" } ]
2022-02-16
[ [ "Orhan", "Pierre", "" ], [ "Boubenec", "Yves", "" ], [ "King", "Jean-Rémi", "" ] ]
Over the last decade, numerous studies have shown that deep neural networks exhibit sensory representations similar to those of the mammalian brain, in that their activations linearly map onto cortical responses to the same sensory inputs. However, it remains unknown whether these artificial networks also learn like th...
1204.3126
Mustafa Barasa
Barasa Mustafa, Gicheru Muita MichaeL, Kagasi Ambogo Esther, Ozwara Suba Hastings
Characterisation of placental malaria in olive baboons (Papio anubis) infected with Plasmodium knowlesi H strain
Five pages, four figures: This reserch was supported by the research capability strengthening World Health Organisation (WHO Grant Number: A 50075) for malaria research in Africa under the Multilateral Initiative on Malaria / Special Programme for Research and Training in Tropical Diseases (WHO-MIM/TDR). The In...
Int. J. Integ. Biol: Year 2012 Volume 9, Issue No. 2: 54 - 58
null
null
q-bio.CB
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Pregnant women have increased susceptibility to malaria infection. In these women, malaria parasites are frequently found sequestered in the placental intervillous spaces, a condition referred to as placental malaria (PM). Placental malaria threatens the health of the mother and the child's life by causing still birt...
[ { "created": "Sat, 14 Apr 2012 00:41:42 GMT", "version": "v1" }, { "created": "Tue, 17 Apr 2012 08:10:37 GMT", "version": "v2" } ]
2012-04-18
[ [ "Mustafa", "Barasa", "" ], [ "MichaeL", "Gicheru Muita", "" ], [ "Esther", "Kagasi Ambogo", "" ], [ "Hastings", "Ozwara Suba", "" ] ]
Pregnant women have increased susceptibility to malaria infection. In these women, malaria parasites are frequently found sequestered in the placental intervillous spaces, a condition referred to as placental malaria (PM). Placental malaria threatens the health of the mother and the child's life by causing still births...
1703.01818
Daniele De Martino
Daniele De Martino, Anna MC Andersson, Tobias Bergmiller, C\u{a}lin C Guet, Ga\v{s}per Tka\v{c}ik
Statistical mechanics for metabolic networks during steady-state growth
12 pages, 4 figures
null
10.1038/s41467-018-05417-9
null
q-bio.MN cond-mat.stat-mech physics.bio-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Which properties of metabolic networks can be derived solely from stoichiometric information about the network's constituent reactions? Predictive results have been obtained by Flux Balance Analysis (FBA), by postulating that cells set metabolic fluxes within the allowed stoichiometry so as to maximize their growth. ...
[ { "created": "Mon, 6 Mar 2017 11:34:45 GMT", "version": "v1" } ]
2018-09-05
[ [ "De Martino", "Daniele", "" ], [ "Andersson", "Anna MC", "" ], [ "Bergmiller", "Tobias", "" ], [ "Guet", "Călin C", "" ], [ "Tkačik", "Gašper", "" ] ]
Which properties of metabolic networks can be derived solely from stoichiometric information about the network's constituent reactions? Predictive results have been obtained by Flux Balance Analysis (FBA), by postulating that cells set metabolic fluxes within the allowed stoichiometry so as to maximize their growth. He...
2312.11338
Matthias Schott
Lucas Heger, Kerem Akdogan, Matthias Schott
On the Impact of School Closures on COVID-19 Transmission in Germany using an agent-based Simulation
5 pages, 3 figures
null
null
null
q-bio.PE
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The effect of school closures on the spread of COVID-19 has been discussed among experts and the general public since those measures have been taken only a few months after the start of the pandemic in 2020. Within this study, the JuneGermany framework, is used to quantify the impact of school closures in the German ...
[ { "created": "Mon, 18 Dec 2023 16:41:34 GMT", "version": "v1" } ]
2023-12-19
[ [ "Heger", "Lucas", "" ], [ "Akdogan", "Kerem", "" ], [ "Schott", "Matthias", "" ] ]
The effect of school closures on the spread of COVID-19 has been discussed among experts and the general public since those measures have been taken only a few months after the start of the pandemic in 2020. Within this study, the JuneGermany framework, is used to quantify the impact of school closures in the German st...
1804.06507
Michael Plank
Michael J Plank
How should fishing mortality be distributed under balanced harvesting?
null
Fisheries Research, Volume 207, November 2018, Pages 171-174
10.1016/j.fishres.2018.06.003
null
q-bio.PE
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Zhou and Smith (2017) investigate different multi-species harvesting scenarios using a simple Holling-Tanner model. Among these scenarios are two methods for implementing balanced harvesting, where fishing is distributed across trophic levels in accordance with their productivity. This note examines the effects of a ...
[ { "created": "Tue, 17 Apr 2018 23:55:29 GMT", "version": "v1" }, { "created": "Tue, 22 Oct 2019 02:42:24 GMT", "version": "v2" } ]
2019-10-23
[ [ "Plank", "Michael J", "" ] ]
Zhou and Smith (2017) investigate different multi-species harvesting scenarios using a simple Holling-Tanner model. Among these scenarios are two methods for implementing balanced harvesting, where fishing is distributed across trophic levels in accordance with their productivity. This note examines the effects of a di...
1308.2278
Simon Childs
S. J. Childs
A Model of Teneral Dehydration in Glossina
28 pages, 9 figures, 3 tables
Acta Tropica, 131: 79-91, 2014
null
null
q-bio.OT
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The results of a long-established investigation into teneral transpiration are used as a rudimentary data set. These data are not complete in that all are at 25 $^\circ\mathrm{C}$ and the temperature-dependence cannot, therefore be resolved. An allowance is, nonetheless, made for the outstanding temperature-dependent...
[ { "created": "Sat, 10 Aug 2013 05:14:49 GMT", "version": "v1" }, { "created": "Fri, 13 Jun 2014 12:53:01 GMT", "version": "v2" }, { "created": "Wed, 28 Oct 2015 09:04:17 GMT", "version": "v3" } ]
2015-10-29
[ [ "Childs", "S. J.", "" ] ]
The results of a long-established investigation into teneral transpiration are used as a rudimentary data set. These data are not complete in that all are at 25 $^\circ\mathrm{C}$ and the temperature-dependence cannot, therefore be resolved. An allowance is, nonetheless, made for the outstanding temperature-dependent d...
q-bio/0508021
Eli Eisenberg
Shai Carmi, Erez Y. Levanon, Shlomo Havlin, Eli Eisenberg
Connectivity and expression in protein networks: Proteins in a complex are uniformly expressed
revised version; accepted for publication in PRE
Phys. Rev. E 73, 031909 (2006)
10.1103/PhysRevE.73.031909
null
q-bio.MN cond-mat.other q-bio.OT
null
We explore the interplay between the protein-protein interactions network and the expression of the interacting proteins. It is shown that interacting proteins are expressed in significantly more similar cellular concentrations. This is largely due to interacting pairs which are part of protein complexes. We solve a ...
[ { "created": "Wed, 17 Aug 2005 14:35:43 GMT", "version": "v1" }, { "created": "Thu, 26 Jan 2006 17:17:40 GMT", "version": "v2" } ]
2007-05-23
[ [ "Carmi", "Shai", "" ], [ "Levanon", "Erez Y.", "" ], [ "Havlin", "Shlomo", "" ], [ "Eisenberg", "Eli", "" ] ]
We explore the interplay between the protein-protein interactions network and the expression of the interacting proteins. It is shown that interacting proteins are expressed in significantly more similar cellular concentrations. This is largely due to interacting pairs which are part of protein complexes. We solve a ge...
1508.02980
Susan Khor
Susan Khor
Comparing local search paths with global search paths on protein residue networks: allosteric communication
32 pages
J Complex Netw (2017) 5 (3): 409-432
10.1093/comnet/cnw020
null
q-bio.MN q-bio.BM
http://creativecommons.org/licenses/by-nc-sa/4.0/
Although proteins have been recognized as small-world networks and their small-world network properties of clustering and short paths have been exploited computationally to produce biologically relevant information, they have not been truly explored as such, i.e. as navigable small-world networks in the original spir...
[ { "created": "Wed, 12 Aug 2015 16:29:54 GMT", "version": "v1" }, { "created": "Sun, 25 Oct 2015 02:46:43 GMT", "version": "v2" }, { "created": "Tue, 19 Jan 2016 18:52:41 GMT", "version": "v3" }, { "created": "Thu, 12 May 2016 21:52:09 GMT", "version": "v4" }, { "c...
2017-06-20
[ [ "Khor", "Susan", "" ] ]
Although proteins have been recognized as small-world networks and their small-world network properties of clustering and short paths have been exploited computationally to produce biologically relevant information, they have not been truly explored as such, i.e. as navigable small-world networks in the original spirit...
1012.3607
Jose Vilar
Jose M. G. Vilar
Accurate prediction of gene expression by integration of DNA sequence statistics with detailed modeling of transcription regulation
15 pages, 5 figures
Biophys. J. 99, 2408-2413 (2010)
10.1016/j.bpj.2010.08.006
null
q-bio.MN cond-mat.stat-mech cs.CE physics.bio-ph q-bio.SC
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Gene regulation involves a hierarchy of events that extend from specific protein-DNA interactions to the combinatorial assembly of nucleoprotein complexes. The effects of DNA sequence on these processes have typically been studied based either on its quantitative connection with single-domain binding free energies or...
[ { "created": "Thu, 16 Dec 2010 14:06:26 GMT", "version": "v1" } ]
2015-05-20
[ [ "Vilar", "Jose M. G.", "" ] ]
Gene regulation involves a hierarchy of events that extend from specific protein-DNA interactions to the combinatorial assembly of nucleoprotein complexes. The effects of DNA sequence on these processes have typically been studied based either on its quantitative connection with single-domain binding free energies or o...
1505.06898
Mareike Fischer
Christopher Bryant and Mareike Fischer and Simone Linz and Charles Semple
On the Quirks of Maximum Parsimony and Likelihood on Phylogenetic Networks
28 pages, 5 figures
null
null
null
q-bio.PE
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Maximum parsimony is one of the most frequently-discussed tree reconstruction methods in phylogenetic estimation. However, in recent years it has become more and more apparent that phylogenetic trees are often not sufficient to describe evolution accurately. For instance, processes like hybridization or lateral gene ...
[ { "created": "Tue, 26 May 2015 11:03:32 GMT", "version": "v1" }, { "created": "Mon, 1 Jun 2015 20:45:38 GMT", "version": "v2" }, { "created": "Tue, 10 Nov 2015 14:50:41 GMT", "version": "v3" }, { "created": "Thu, 15 Sep 2016 19:33:40 GMT", "version": "v4" }, { "cr...
2016-10-25
[ [ "Bryant", "Christopher", "" ], [ "Fischer", "Mareike", "" ], [ "Linz", "Simone", "" ], [ "Semple", "Charles", "" ] ]
Maximum parsimony is one of the most frequently-discussed tree reconstruction methods in phylogenetic estimation. However, in recent years it has become more and more apparent that phylogenetic trees are often not sufficient to describe evolution accurately. For instance, processes like hybridization or lateral gene tr...
0909.2676
Serguey Mayburov NN
S.Mayburov
Coherent and Noncoherent Photonic Communications in Biological Systems
9 pages, talk given at PIERS-2009 conference, Moscow, august 2009, to appear in Proceedings
null
null
null
q-bio.OT physics.bio-ph q-bio.SC
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The possible mechanisms of communications between distant bio-systems by means of optical and UV photons are studied. It is argued that their main production mechanism is owed to the biochemical reactions, occurring during the cell division.. In the proposed model the bio-systems perform such communications, radiatin...
[ { "created": "Mon, 14 Sep 2009 10:10:13 GMT", "version": "v1" } ]
2009-11-17
[ [ "Mayburov", "S.", "" ] ]
The possible mechanisms of communications between distant bio-systems by means of optical and UV photons are studied. It is argued that their main production mechanism is owed to the biochemical reactions, occurring during the cell division.. In the proposed model the bio-systems perform such communications, radiating ...
1607.01706
Shi Gu
Shi Gu, Richard F. Betzel, Matthew Cieslak, Philip R. Delio, Scott T. Grafton, Fabio Pasqualetti, Danielle S. Bassett
Optimal Trajectories of Brain State Transitions
null
null
null
null
q-bio.NC
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The complexity of neural dynamics stems in part from the complexity of the underlying anatomy. Yet how the organization of white matter architecture constrains how the brain transitions from one cognitive state to another remains unknown. Here we address this question from a computational perspective by defining a br...
[ { "created": "Wed, 6 Jul 2016 16:57:46 GMT", "version": "v1" }, { "created": "Mon, 9 Jan 2017 02:33:35 GMT", "version": "v2" }, { "created": "Tue, 10 Jan 2017 04:18:23 GMT", "version": "v3" } ]
2017-01-11
[ [ "Gu", "Shi", "" ], [ "Betzel", "Richard F.", "" ], [ "Cieslak", "Matthew", "" ], [ "Delio", "Philip R.", "" ], [ "Grafton", "Scott T.", "" ], [ "Pasqualetti", "Fabio", "" ], [ "Bassett", "Danielle S.", "" ...
The complexity of neural dynamics stems in part from the complexity of the underlying anatomy. Yet how the organization of white matter architecture constrains how the brain transitions from one cognitive state to another remains unknown. Here we address this question from a computational perspective by defining a brai...
2407.19349
Tengyao Tu
Tengyao Tu, Wei Zeng, Kun Zhao, Zhenyu Zhang
Predicting T-Cell Receptor Specificity
null
null
null
null
q-bio.QM cs.AI
http://creativecommons.org/licenses/by/4.0/
Researching the specificity of TCR contributes to the development of immunotherapy and provides new opportunities and strategies for personalized cancer immunotherapy. Therefore, we established a TCR generative specificity detection framework consisting of an antigen selector and a TCR classifier based on the Random ...
[ { "created": "Sat, 27 Jul 2024 23:21:07 GMT", "version": "v1" } ]
2024-07-30
[ [ "Tu", "Tengyao", "" ], [ "Zeng", "Wei", "" ], [ "Zhao", "Kun", "" ], [ "Zhang", "Zhenyu", "" ] ]
Researching the specificity of TCR contributes to the development of immunotherapy and provides new opportunities and strategies for personalized cancer immunotherapy. Therefore, we established a TCR generative specificity detection framework consisting of an antigen selector and a TCR classifier based on the Random Fo...
1610.01507
Areejit Samal
R.P. Sreejith, J\"urgen Jost, Emil Saucan, Areejit Samal
Systematic evaluation of a new combinatorial curvature for complex networks
29 pages, 14 figures, 1 table. Accepted for publication in Chaos, Solitons and Fractals
Chaos, Solitons & Fractals, 101:50-67 (2017)
10.1016/j.chaos.2017.05.021
null
q-bio.MN physics.soc-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We have recently introduced Forman's discretization of Ricci curvature to the realm of complex networks. Forman curvature is an edge-based measure whose mathematical definition elegantly encapsulates the weights of nodes and edges in a complex network. In this contribution, we perform a comparative analysis of Forman...
[ { "created": "Wed, 5 Oct 2016 16:27:00 GMT", "version": "v1" }, { "created": "Mon, 15 May 2017 21:55:11 GMT", "version": "v2" } ]
2017-06-01
[ [ "Sreejith", "R. P.", "" ], [ "Jost", "Jürgen", "" ], [ "Saucan", "Emil", "" ], [ "Samal", "Areejit", "" ] ]
We have recently introduced Forman's discretization of Ricci curvature to the realm of complex networks. Forman curvature is an edge-based measure whose mathematical definition elegantly encapsulates the weights of nodes and edges in a complex network. In this contribution, we perform a comparative analysis of Forman c...
1111.6493
Taiki Takahashi
Taiki Takahashi (1), Hidemi Oono (2), Takeshi Inoue (3), Shuken Boku (3), Yuki Kako (3), Yuji Kitaichi (3), Ichiro Kusumi (3), Takuya Masui (3), Shin Nakagawa (3), Katsuji Suzuki (3), Teruaki Tanaka (3), Tsukasa Koyama (3), and Mark H. B. Radford (4) ((1) Direct all correspondence to Taiki Takahashi, Unit of Co...
Depressive patients are more impulsive and inconsistent in intertemporal choice behavior for monetary gain and loss than healthy subjects- an analysis based on Tsallis' statistics
null
Neuro Endocrinol Lett. 2008, 29(3):351-358
null
null
q-bio.NC q-bio.OT
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Depression has been associated with impaired neural processing of reward and punishment. However, to date, little is known regarding the relationship between depression and intertemporal choice for gain and loss. We compared impulsivity and inconsistency in intertemporal choice for monetary gain and loss (quantified ...
[ { "created": "Tue, 22 Nov 2011 15:38:02 GMT", "version": "v1" } ]
2012-12-04
[ [ "Takahashi", "Taiki", "" ], [ "Oono", "Hidemi", "" ], [ "Inoue", "Takeshi", "" ], [ "Boku", "Shuken", "" ], [ "Kako", "Yuki", "" ], [ "Kitaichi", "Yuji", "" ], [ "Kusumi", "Ichiro", "" ], [ "Masui",...
Depression has been associated with impaired neural processing of reward and punishment. However, to date, little is known regarding the relationship between depression and intertemporal choice for gain and loss. We compared impulsivity and inconsistency in intertemporal choice for monetary gain and loss (quantified wi...
1907.00070
Rostislav Serota
M. Dashti Moghaddam, Jiong Liu, John G. Holden and R. A. Serota
Modeling Response Time Distributions with Generalized Beta Prime
15 pages, 11 figure, 5 tables
Discontinuity, Nonlinearity, and Complexity, 9 (3), 477 - 488 (2020)
10.5890/DNC.2020.09.009
null
q-bio.NC stat.AP
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We use Generalized Beta Prime distribution, also known as GB2, for fitting response time distributions. This distribution, characterized by one scale and three shape parameters, is incredibly flexible in that it can mimic behavior of many other distributions. GB2 exhibits power-law behavior at both front and tail end...
[ { "created": "Fri, 28 Jun 2019 20:46:21 GMT", "version": "v1" } ]
2024-04-15
[ [ "Moghaddam", "M. Dashti", "" ], [ "Liu", "Jiong", "" ], [ "Holden", "John G.", "" ], [ "Serota", "R. A.", "" ] ]
We use Generalized Beta Prime distribution, also known as GB2, for fitting response time distributions. This distribution, characterized by one scale and three shape parameters, is incredibly flexible in that it can mimic behavior of many other distributions. GB2 exhibits power-law behavior at both front and tail ends ...
1609.02956
Steven Frank
Steven A. Frank
Puzzles in modern biology. I. Male sterility, failure reveals design
null
F1000Research 5:2088 (2016)
10.12688/f1000research.9567.1
null
q-bio.PE
http://creativecommons.org/licenses/by/4.0/
Many human males produce dysfunctional sperm. Various plants frequently abort pollen. Hybrid matings often produce sterile males. Widespread male sterility is puzzling. Natural selection prunes reproductive failure. Puzzling failure implies something that we do not understand about how organisms are designed. Solving...
[ { "created": "Fri, 9 Sep 2016 22:07:27 GMT", "version": "v1" } ]
2016-09-13
[ [ "Frank", "Steven A.", "" ] ]
Many human males produce dysfunctional sperm. Various plants frequently abort pollen. Hybrid matings often produce sterile males. Widespread male sterility is puzzling. Natural selection prunes reproductive failure. Puzzling failure implies something that we do not understand about how organisms are designed. Solving t...
1112.4808
Christoph Adami
Evan D. Dorn and Christoph Adami
Robust monomer-distribution biosignatures in evolving digital biota
22 pages, 4 figures, 1 table. Supplementary Material available from CA
Astrobiology 11 (2011) 959-968
10.1089/ast.2010.0556
null
q-bio.BM q-bio.PE
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Because organisms synthesize component molecules at rates that reflect those molecules' adaptive utility, we expect a population of biota to leave a distinctive chemical signature on their environment that is anomalous given the local (abiotic) chemistry. We observe the same effect in the distribution of computer ins...
[ { "created": "Tue, 20 Dec 2011 19:45:31 GMT", "version": "v1" } ]
2011-12-21
[ [ "Dorn", "Evan D.", "" ], [ "Adami", "Christoph", "" ] ]
Because organisms synthesize component molecules at rates that reflect those molecules' adaptive utility, we expect a population of biota to leave a distinctive chemical signature on their environment that is anomalous given the local (abiotic) chemistry. We observe the same effect in the distribution of computer instr...
1705.06132
Eslam Abbas
Eslam Abbas
Mathematical Analysis of the Probability of Spontaneous Mutations in HIV-1 Genome and Their Role in the Emergence of Resistance to Anti-Retroviral Therapy
null
null
10.4236/aim.2019.911057
null
q-bio.OT
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
$\textbf{Background:}$ High mutability of HIV is the driving force of antiretroviral drug resistance, which represents a medical care challenge. $\textbf{Method and Model Equation:}$ To detect the mutability of each gene in the HIV-1 genome; a mathematical analysis of HIV-1 genome is performed, depending on a linea...
[ { "created": "Mon, 15 May 2017 14:53:45 GMT", "version": "v1" } ]
2019-11-11
[ [ "Abbas", "Eslam", "" ] ]
$\textbf{Background:}$ High mutability of HIV is the driving force of antiretroviral drug resistance, which represents a medical care challenge. $\textbf{Method and Model Equation:}$ To detect the mutability of each gene in the HIV-1 genome; a mathematical analysis of HIV-1 genome is performed, depending on a linear re...
1101.2175
Tao Jia
Tao Jia and Rahul V. Kulkarni
Intrinsic noise in stochastic models of gene expression with molecular memory and bursting
Accepted by Physical Review Letters
Phys. Rev. Lett. 106, 058102, 2011
10.1103/PhysRevLett.106.058102
null
q-bio.MN cond-mat.soft cond-mat.stat-mech
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Regulation of intrinsic noise in gene expression is essential for many cellular functions. Correspondingly, there is considerable interest in understanding how different molecular mechanisms of gene expression impact variations in protein levels across a population of cells. In this work, we analyze a stochastic mode...
[ { "created": "Tue, 11 Jan 2011 18:19:27 GMT", "version": "v1" } ]
2011-03-02
[ [ "Jia", "Tao", "" ], [ "Kulkarni", "Rahul V.", "" ] ]
Regulation of intrinsic noise in gene expression is essential for many cellular functions. Correspondingly, there is considerable interest in understanding how different molecular mechanisms of gene expression impact variations in protein levels across a population of cells. In this work, we analyze a stochastic model ...
1710.08542
Yen Ting Lin
Yen Ting Lin, Peter G. Hufton, Esther J. Lee, Davit A. Potoyan
A stochastic and dynamical view of pluripotency in mouse embryonic stem cells
11 pages, 7 figures
null
10.1371/journal.pcbi.1006000
null
q-bio.MN cond-mat.stat-mech physics.bio-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Pluripotent embryonic stem cells are of paramount importance for biomedical research thanks to their innate ability for self-renewal and differentiation into all major cell lines. The fateful decision to exit or remain in the pluripotent state is regulated by complex genetic regulatory network. Latest advances in tra...
[ { "created": "Mon, 23 Oct 2017 22:56:44 GMT", "version": "v1" } ]
2018-07-04
[ [ "Lin", "Yen Ting", "" ], [ "Hufton", "Peter G.", "" ], [ "Lee", "Esther J.", "" ], [ "Potoyan", "Davit A.", "" ] ]
Pluripotent embryonic stem cells are of paramount importance for biomedical research thanks to their innate ability for self-renewal and differentiation into all major cell lines. The fateful decision to exit or remain in the pluripotent state is regulated by complex genetic regulatory network. Latest advances in trans...
q-bio/0703042
Jeroen van Zon
Jeroen S. van Zon, David K. Lubensky, Pim R.H. Altena and Pieter Rein ten Wolde
An allosteric model for circadian KaiC phosphorylation - Supporting Information
Supporting Information for q-bio.MN/0703009
null
null
null
q-bio.MN q-bio.CB
null
In this Supporting Information, we provide background information on our model of the in vitro Kai system and the calculations that we have performed. We will closely follow the outline of the main text.
[ { "created": "Mon, 19 Mar 2007 14:25:39 GMT", "version": "v1" } ]
2007-05-23
[ [ "van Zon", "Jeroen S.", "" ], [ "Lubensky", "David K.", "" ], [ "Altena", "Pim R. H.", "" ], [ "Wolde", "Pieter Rein ten", "" ] ]
In this Supporting Information, we provide background information on our model of the in vitro Kai system and the calculations that we have performed. We will closely follow the outline of the main text.
1910.03577
Jin Ming
Suprateek Kundu, Jin Ming, and Jennifer Stevens
Dynamic Brain Functional Networks Guided By Anatomical Knowledge
45 pages, 5 figures
null
null
null
q-bio.NC stat.AP stat.ME
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Recently, the potential of dynamic brain networks as a neuroimaging biomarkers for mental illnesses is being increasingly recognized. However, there are several unmet challenges in developing such biomarkers, including the need for methods to model rapidly changing network states. In one of the first such efforts, we...
[ { "created": "Mon, 7 Oct 2019 21:48:27 GMT", "version": "v1" } ]
2019-10-10
[ [ "Kundu", "Suprateek", "" ], [ "Ming", "Jin", "" ], [ "Stevens", "Jennifer", "" ] ]
Recently, the potential of dynamic brain networks as a neuroimaging biomarkers for mental illnesses is being increasingly recognized. However, there are several unmet challenges in developing such biomarkers, including the need for methods to model rapidly changing network states. In one of the first such efforts, we d...
2110.03796
Pedro Mendes
Abhishekh Gupta and Pedro Mendes
ShinyCOPASI: a web-based exploratory interface for COPASI models
null
null
null
null
q-bio.MN
http://creativecommons.org/licenses/by/4.0/
COPASI is a popular application for simulation and analysis of biochemical networks and their dynamics. While this software is widely used, it works as a standalone application and until now it was not possible for users to interact with its models through the web. We built ShinyCOPASI, a web-based application that a...
[ { "created": "Thu, 7 Oct 2021 21:16:03 GMT", "version": "v1" } ]
2021-10-11
[ [ "Gupta", "Abhishekh", "" ], [ "Mendes", "Pedro", "" ] ]
COPASI is a popular application for simulation and analysis of biochemical networks and their dynamics. While this software is widely used, it works as a standalone application and until now it was not possible for users to interact with its models through the web. We built ShinyCOPASI, a web-based application that all...
1301.4567
Marcin Zag\'orski
M. Zagorski, A. Krzywicki, O.C. Martin
Edge usage, motifs and regulatory logic for cell cycling genetic networks
9 pages, 9 figures, to be published in Phys. Rev. E
Phys. Rev. E 87, 012727 (2013)
10.1103/PhysRevE.87.012727
null
q-bio.MN cond-mat.stat-mech
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The cell cycle is a tightly controlled process, yet its underlying genetic network shows marked differences across species. Which of the associated structural features follow solely from the ability to impose the appropriate gene expression patterns? We tackle this question in silico by examining the ensemble of all ...
[ { "created": "Sat, 19 Jan 2013 14:51:52 GMT", "version": "v1" } ]
2015-06-12
[ [ "Zagorski", "M.", "" ], [ "Krzywicki", "A.", "" ], [ "Martin", "O. C.", "" ] ]
The cell cycle is a tightly controlled process, yet its underlying genetic network shows marked differences across species. Which of the associated structural features follow solely from the ability to impose the appropriate gene expression patterns? We tackle this question in silico by examining the ensemble of all re...
2001.10035
Darius Vasco K\"oster
Lewis Mosby, Marco Polin, Darius V. K\"oster
A Python based automated tracking routine for myosin II filaments
14 pages, 5 figures
null
10.1088/1361-6463/ab87bf
null
q-bio.SC physics.bio-ph q-bio.QM
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The study of motor protein dynamics within cytoskeletal networks is of high interest to physicists and biologists to understand how the dynamics and properties of individual motors lead to cooperative effects and control of overall network behaviour. Here, we report a method to detect and track muscular myosin II fil...
[ { "created": "Mon, 27 Jan 2020 19:43:58 GMT", "version": "v1" } ]
2020-06-24
[ [ "Mosby", "Lewis", "" ], [ "Polin", "Marco", "" ], [ "Köster", "Darius V.", "" ] ]
The study of motor protein dynamics within cytoskeletal networks is of high interest to physicists and biologists to understand how the dynamics and properties of individual motors lead to cooperative effects and control of overall network behaviour. Here, we report a method to detect and track muscular myosin II filam...
1601.03334
Lior Pachter
Audrey Fu and Lior Pachter
Estimating intrinsic and extrinsic noise from single-cell gene expression measurements
null
null
null
null
q-bio.QM stat.ME
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Gene expression is stochastic and displays variation ("noise") both within and between cells. Intracellular (intrinsic) variance can be distinguished from extracellular (extrinsic) variance by applying the law of total variance to data from two-reporter assays that probe expression of identical gene pairs in single-c...
[ { "created": "Wed, 13 Jan 2016 18:08:51 GMT", "version": "v1" } ]
2016-01-14
[ [ "Fu", "Audrey", "" ], [ "Pachter", "Lior", "" ] ]
Gene expression is stochastic and displays variation ("noise") both within and between cells. Intracellular (intrinsic) variance can be distinguished from extracellular (extrinsic) variance by applying the law of total variance to data from two-reporter assays that probe expression of identical gene pairs in single-cel...
1202.1007
Michael B\"orsch
Eva Hammann, Andrea Zappe, Stefanie Keis, Stefan Ernst, Doreen Matthies, Thomas Meier, Gregory M. Cook, Michael Boersch
Step size of the rotary proton motor in single FoF1-ATP synthase from a thermoalkaliphilic bacterium by DCO-ALEX FRET
14 pages, 7 figures
null
10.1117/12.907242
null
q-bio.BM q-bio.QM
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Thermophilic enzymes can operate at higher temperatures but show reduced activities at room temperature. They are in general more stable during preparation and, accordingly, are considered to be more rigid in structure. Crystallization is often easier compared to proteins from bacteria growing at ambient temperatures...
[ { "created": "Sun, 5 Feb 2012 21:50:45 GMT", "version": "v1" } ]
2015-06-04
[ [ "Hammann", "Eva", "" ], [ "Zappe", "Andrea", "" ], [ "Keis", "Stefanie", "" ], [ "Ernst", "Stefan", "" ], [ "Matthies", "Doreen", "" ], [ "Meier", "Thomas", "" ], [ "Cook", "Gregory M.", "" ], [ "Bo...
Thermophilic enzymes can operate at higher temperatures but show reduced activities at room temperature. They are in general more stable during preparation and, accordingly, are considered to be more rigid in structure. Crystallization is often easier compared to proteins from bacteria growing at ambient temperatures, ...
0901.2378
Georgy Karev
Georgiy P. Karev
Replicator equations and the principle of minimal production of information
27 pages; submitted to Bulletin of Mathematical Biology
null
null
null
q-bio.QM q-bio.PE
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Many complex systems in mathematical biology and other areas can be described by the replicator equation. We show that solutions of a wide class of replicator equations minimize the production of information under time-dependent constraints, which, in their turn, can be computed explicitly at every instant due to the...
[ { "created": "Fri, 16 Jan 2009 01:10:22 GMT", "version": "v1" } ]
2009-01-19
[ [ "Karev", "Georgiy P.", "" ] ]
Many complex systems in mathematical biology and other areas can be described by the replicator equation. We show that solutions of a wide class of replicator equations minimize the production of information under time-dependent constraints, which, in their turn, can be computed explicitly at every instant due to the s...
1803.01056
Thierry Mora
Yuval Elhanati, Zachary Sethna, Curtis G. Callan Jr., Thierry Mora, Aleksandra M. Walczak
Predicting the spectrum of TCR repertoire sharing with a data-driven model of recombination
null
Immunol Rev. 2018;284:167-179
10.1111/imr.12665
null
q-bio.GN
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Despite the extreme diversity of T cell repertoires, many identical T-cell receptor (TCR) sequences are found in a large number of individual mice and humans. These widely-shared sequences, often referred to as `public', have been suggested to be over-represented due to their potential immune functionality or their e...
[ { "created": "Fri, 2 Mar 2018 21:53:03 GMT", "version": "v1" } ]
2019-01-24
[ [ "Elhanati", "Yuval", "" ], [ "Sethna", "Zachary", "" ], [ "Callan", "Curtis G.", "Jr." ], [ "Mora", "Thierry", "" ], [ "Walczak", "Aleksandra M.", "" ] ]
Despite the extreme diversity of T cell repertoires, many identical T-cell receptor (TCR) sequences are found in a large number of individual mice and humans. These widely-shared sequences, often referred to as `public', have been suggested to be over-represented due to their potential immune functionality or their eas...
0912.1277
Kyung Myriam Kroll
K. Myriam Kroll, Gerard T. Barkema, Enrico Carlon
Linear model for fast background subtraction in oligonucleotide microarrays
21 pages, 5 figures
Algorithms for Molecular Biology 2009, 4:15
10.1186/1748-7188-4-15
null
q-bio.QM
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
One important preprocessing step in the analysis of microarray data is background subtraction. In high-density oligonucleotide arrays this is recognized as a crucial step for the global performance of the data analysis from raw intensities to expression values. We propose here an algorithm for background estimation...
[ { "created": "Mon, 7 Dec 2009 15:53:13 GMT", "version": "v1" } ]
2009-12-08
[ [ "Kroll", "K. Myriam", "" ], [ "Barkema", "Gerard T.", "" ], [ "Carlon", "Enrico", "" ] ]
One important preprocessing step in the analysis of microarray data is background subtraction. In high-density oligonucleotide arrays this is recognized as a crucial step for the global performance of the data analysis from raw intensities to expression values. We propose here an algorithm for background estimation bas...
2302.06281
Philipp Kellmeyer
Sjors Ligthart, Marcello Ienca, Gerben Meynen, Fruzsina Molnar-Gabor, Roberto Andorno, Christoph Bublitz, Paul Catley, Lisa Claydon, Thomas Douglas, Nita Farahany, Joseph J. Fins, Sara Goering, Pim Haselager, Fabrice Jotterand, Andrea Lavazza, Allan McCay, Abel Wajnerman Paz, Stephen Rainey, Jesper Ryberg, Phil...
Minding rights: Mapping ethical and legal foundations of 'neurorights'
null
null
null
null
q-bio.NC cs.CY
http://creativecommons.org/licenses/by-nc-nd/4.0/
The rise of neurotechnologies, especially in combination with AI-based methods for brain data analytics, has given rise to concerns around the protection of mental privacy, mental integrity and cognitive liberty - often framed as 'neurorights' in ethical, legal and policy discussions. Several states are now looking a...
[ { "created": "Mon, 13 Feb 2023 11:36:23 GMT", "version": "v1" }, { "created": "Mon, 20 Mar 2023 19:52:39 GMT", "version": "v2" } ]
2023-03-22
[ [ "Ligthart", "Sjors", "" ], [ "Ienca", "Marcello", "" ], [ "Meynen", "Gerben", "" ], [ "Molnar-Gabor", "Fruzsina", "" ], [ "Andorno", "Roberto", "" ], [ "Bublitz", "Christoph", "" ], [ "Catley", "Paul", "" ...
The rise of neurotechnologies, especially in combination with AI-based methods for brain data analytics, has given rise to concerns around the protection of mental privacy, mental integrity and cognitive liberty - often framed as 'neurorights' in ethical, legal and policy discussions. Several states are now looking at ...
1812.00052
Sylvestre Aureliano Carvalho
Sylvestre Aureliano Carvalho and Marcelo Lobato Martins
Community structures in allelopathic interaction networks: an eco-evolutionary approach
null
Phys. Rev. E 102, 042305 (2020)
10.1103/PhysRevE.102.042305
null
q-bio.PE physics.bio-ph physics.soc-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Nowadays, evidence is mounting that the race of living organisms for adaptation to the chemicals synthesized by their neighbours may drive community structures. Particularly, some bacterial infections and plant invasions disruptive of the native community rely on the release of allelochemicals that inhibit or kill se...
[ { "created": "Fri, 30 Nov 2018 20:48:29 GMT", "version": "v1" } ]
2020-10-14
[ [ "Carvalho", "Sylvestre Aureliano", "" ], [ "Martins", "Marcelo Lobato", "" ] ]
Nowadays, evidence is mounting that the race of living organisms for adaptation to the chemicals synthesized by their neighbours may drive community structures. Particularly, some bacterial infections and plant invasions disruptive of the native community rely on the release of allelochemicals that inhibit or kill sens...
2310.04730
Juan Li
Juan Li and Claudia Bank
Dominance and multi-locus interaction
26 pages, 3 figures, 2 tables
null
null
null
q-bio.PE
http://creativecommons.org/licenses/by-nc-nd/4.0/
Dominance is usually considered a constant value that describes the relative difference in fitness or phenotype between heterozygotes and the average of homozygotes at a focal polymorphic locus. However, the observed dominance can vary with the genetic background of the focal locus. Here, alleles at other loci modify...
[ { "created": "Sat, 7 Oct 2023 08:10:11 GMT", "version": "v1" }, { "created": "Sun, 3 Dec 2023 00:04:57 GMT", "version": "v2" } ]
2023-12-05
[ [ "Li", "Juan", "" ], [ "Bank", "Claudia", "" ] ]
Dominance is usually considered a constant value that describes the relative difference in fitness or phenotype between heterozygotes and the average of homozygotes at a focal polymorphic locus. However, the observed dominance can vary with the genetic background of the focal locus. Here, alleles at other loci modify t...
2203.06128
Ashish B. George
Ashish B. George, Tong Wang, Sergei Maslov
Functional universality in slow-growing microbial communities arises from thermodynamic constraints
null
null
null
null
q-bio.PE cond-mat.stat-mech nlin.AO physics.bio-ph q-bio.MN
http://creativecommons.org/licenses/by-sa/4.0/
The dynamics of microbial communities is incredibly complex, determined by competition for metabolic substrates and cross-feeding of byproducts. Species in the community grow by harvesting energy from chemical reactions that transform substrates to products. In many anoxic environments, these reactions are close to t...
[ { "created": "Fri, 11 Mar 2022 17:56:10 GMT", "version": "v1" }, { "created": "Fri, 18 Mar 2022 19:08:43 GMT", "version": "v2" } ]
2022-03-22
[ [ "George", "Ashish B.", "" ], [ "Wang", "Tong", "" ], [ "Maslov", "Sergei", "" ] ]
The dynamics of microbial communities is incredibly complex, determined by competition for metabolic substrates and cross-feeding of byproducts. Species in the community grow by harvesting energy from chemical reactions that transform substrates to products. In many anoxic environments, these reactions are close to the...
2001.03560
Justin Kinney
Ammar Tareen, Justin B. Kinney
Biophysical models of cis-regulation as interpretable neural networks
Presented at the 14th conference on Machine Learning in Computational Biology (MLCB 2019), Vancouver, Canada. Revised to add a link to code and to correct a typo in the King-Altman diagrams shown in Figure 3
null
null
null
q-bio.MN cs.LG physics.bio-ph q-bio.QM stat.ML
http://creativecommons.org/licenses/by-sa/4.0/
The adoption of deep learning techniques in genomics has been hindered by the difficulty of mechanistically interpreting the models that these techniques produce. In recent years, a variety of post-hoc attribution methods have been proposed for addressing this neural network interpretability problem in the context of...
[ { "created": "Mon, 30 Dec 2019 14:45:58 GMT", "version": "v1" }, { "created": "Fri, 7 Feb 2020 22:07:08 GMT", "version": "v2" } ]
2020-02-11
[ [ "Tareen", "Ammar", "" ], [ "Kinney", "Justin B.", "" ] ]
The adoption of deep learning techniques in genomics has been hindered by the difficulty of mechanistically interpreting the models that these techniques produce. In recent years, a variety of post-hoc attribution methods have been proposed for addressing this neural network interpretability problem in the context of g...
q-bio/0509019
Guido Tiana
R. A. Broglia, D. Provasi, F. Vasile, G. Ottolina, R.Longhi and G. Tiana
A folding inhibitor of the HIV-1 Protease
null
null
null
null
q-bio.BM
null
Being the HIV-1 Protease (HIV-1-PR) an essential enzyme in the viral life cycle, its inhibition can control AIDS. The folding of single domain proteins, like each of the monomers forming the HIV-1-PR homodimer, is controlled by local elementary structures (LES, folding units stabilized by strongly interacting, highly...
[ { "created": "Thu, 15 Sep 2005 08:10:04 GMT", "version": "v1" } ]
2007-05-23
[ [ "Broglia", "R. A.", "" ], [ "Provasi", "D.", "" ], [ "Vasile", "F.", "" ], [ "Ottolina", "G.", "" ], [ "Longhi", "R.", "" ], [ "Tiana", "G.", "" ] ]
Being the HIV-1 Protease (HIV-1-PR) an essential enzyme in the viral life cycle, its inhibition can control AIDS. The folding of single domain proteins, like each of the monomers forming the HIV-1-PR homodimer, is controlled by local elementary structures (LES, folding units stabilized by strongly interacting, highly c...
2006.13012
Robin Thompson
Robin N Thompson, T Deirdre Hollingsworth, Valerie Isham, Daniel Arribas-Bel, Ben Ashby, Tom Britton, Peter Challoner, Lauren H K Chappell, Hannah Clapham, Nik J Cunniffe, A Philip Dawid, Christl A Donnelly, Rosalind Eggo, Sebastian Funk, Nigel Gilbert, Julia R Gog, Paul Glendinning, William S Hart, Hans Heeste...
Key Questions for Modelling COVID-19 Exit Strategies
null
Proc. Roy. Soc. B, 2020
10.1098/rspb.2020.1405
null
q-bio.OT q-bio.PE
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Combinations of intense non-pharmaceutical interventions ('lockdowns') were introduced in countries worldwide to reduce SARS-CoV-2 transmission. Many governments have begun to implement lockdown exit strategies that allow restrictions to be relaxed while attempting to control the risk of a surge in cases. Mathematica...
[ { "created": "Sun, 21 Jun 2020 17:06:13 GMT", "version": "v1" }, { "created": "Wed, 24 Jun 2020 15:09:13 GMT", "version": "v2" }, { "created": "Thu, 25 Jun 2020 14:09:15 GMT", "version": "v3" }, { "created": "Tue, 21 Jul 2020 13:08:34 GMT", "version": "v4" } ]
2020-08-17
[ [ "Thompson", "Robin N", "" ], [ "Hollingsworth", "T Deirdre", "" ], [ "Isham", "Valerie", "" ], [ "Arribas-Bel", "Daniel", "" ], [ "Ashby", "Ben", "" ], [ "Britton", "Tom", "" ], [ "Challoner", "Peter", "" ...
Combinations of intense non-pharmaceutical interventions ('lockdowns') were introduced in countries worldwide to reduce SARS-CoV-2 transmission. Many governments have begun to implement lockdown exit strategies that allow restrictions to be relaxed while attempting to control the risk of a surge in cases. Mathematical ...
1611.07272
Ines Samengo
Maria da Fonseca and Ines Samengo
Derivation of human chromatic discrimination ability from an information-theoretical notion of distance in color space
23 pages, 10 figures
Neural Computation doi:10.1162/NECO_a_00903 pp 1-18 (2016)
10.1162/NECO_a_00903
null
q-bio.NC
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The accuracy with which humans can detect small chromatic differences varies throughout color space. For example, we are far more precise when discriminating two similar orange stimuli than two similar green stimuli. In order for two colors to be perceived as different, the neurons representing chromatic information ...
[ { "created": "Tue, 22 Nov 2016 12:27:04 GMT", "version": "v1" } ]
2016-11-23
[ [ "da Fonseca", "Maria", "" ], [ "Samengo", "Ines", "" ] ]
The accuracy with which humans can detect small chromatic differences varies throughout color space. For example, we are far more precise when discriminating two similar orange stimuli than two similar green stimuli. In order for two colors to be perceived as different, the neurons representing chromatic information mu...