id
stringlengths
9
13
submitter
stringlengths
4
48
authors
stringlengths
4
9.62k
title
stringlengths
4
343
comments
stringlengths
2
480
journal-ref
stringlengths
9
309
doi
stringlengths
12
138
report-no
stringclasses
277 values
categories
stringlengths
8
87
license
stringclasses
9 values
orig_abstract
stringlengths
27
3.76k
versions
listlengths
1
15
update_date
stringlengths
10
10
authors_parsed
listlengths
1
147
abstract
stringlengths
24
3.75k
1709.03031
Alex McAvoy
Kamran Kaveh, Alex McAvoy, Martin A. Nowak
Environmental fitness heterogeneity in the Moran process
23 pages, 9 figures; final version
null
10.1098/rsos.181661
null
q-bio.PE
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Many mathematical models of evolution assume that all individuals experience the same environment. Here, we study the Moran process in heterogeneous environments. The population is of finite size with two competing types, which are exposed to a fixed number of environmental conditions. Reproductive rate is determined...
[ { "created": "Sun, 10 Sep 2017 03:20:17 GMT", "version": "v1" }, { "created": "Mon, 14 May 2018 17:00:23 GMT", "version": "v2" }, { "created": "Tue, 18 Dec 2018 15:04:32 GMT", "version": "v3" } ]
2018-12-19
[ [ "Kaveh", "Kamran", "" ], [ "McAvoy", "Alex", "" ], [ "Nowak", "Martin A.", "" ] ]
Many mathematical models of evolution assume that all individuals experience the same environment. Here, we study the Moran process in heterogeneous environments. The population is of finite size with two competing types, which are exposed to a fixed number of environmental conditions. Reproductive rate is determined b...
0807.1041
Thierry Rabilloud
Thierry Rabilloud (BBSI), Mireille Chevallet (BBSI), Sylvie Luche (BBSI), Emmanuelle Leize-Wagner
Oxidative stress response: a proteomic view
null
Expert Rev Proteomics 2, 6 (2005) 949-56
10.1586/14789450.2.6.949
null
q-bio.GN
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The oxidative stress response is characterized by various effects on a range of biologic molecules. When examined at the protein level, both expression levels and protein modifications are altered by oxidative stress. While these effects have been studied in the past by classic biochemical methods, the recent onset o...
[ { "created": "Mon, 7 Jul 2008 15:30:32 GMT", "version": "v1" } ]
2008-07-08
[ [ "Rabilloud", "Thierry", "", "BBSI" ], [ "Chevallet", "Mireille", "", "BBSI" ], [ "Luche", "Sylvie", "", "BBSI" ], [ "Leize-Wagner", "Emmanuelle", "" ] ]
The oxidative stress response is characterized by various effects on a range of biologic molecules. When examined at the protein level, both expression levels and protein modifications are altered by oxidative stress. While these effects have been studied in the past by classic biochemical methods, the recent onset of ...
0805.1085
Liaofu Luo
Liaofu Luo
On the Law of Directionality of Genome Evolution
18 pages
null
null
Version 2-2011
q-bio.GN q-bio.CB
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The problem of the directionality of genome evolution is studied from the information-theoretic view. We propose that the function-coding information quantity of a genome always grows in the course of evolution through sequence duplication, expansion of code, and gene transfer between genomes. The function-coding inf...
[ { "created": "Thu, 8 May 2008 01:13:20 GMT", "version": "v1" }, { "created": "Thu, 4 Aug 2011 01:01:54 GMT", "version": "v2" } ]
2011-08-05
[ [ "Luo", "Liaofu", "" ] ]
The problem of the directionality of genome evolution is studied from the information-theoretic view. We propose that the function-coding information quantity of a genome always grows in the course of evolution through sequence duplication, expansion of code, and gene transfer between genomes. The function-coding infor...
2006.16189
Dmytro Fishman
Ian Walsh, Dmytro Fishman, Dario Garcia-Gasulla, Tiina Titma, Gianluca Pollastri, The ELIXIR Machine Learning focus group, Jen Harrow, Fotis E. Psomopoulos and Silvio C.E. Tosatto
DOME: Recommendations for supervised machine learning validation in biology
null
null
null
null
q-bio.OT cs.LG
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Modern biology frequently relies on machine learning to provide predictions and improve decision processes. There have been recent calls for more scrutiny on machine learning performance and possible limitations. Here we present a set of community-wide recommendations aiming to help establish standards of supervised ...
[ { "created": "Thu, 25 Jun 2020 12:01:39 GMT", "version": "v1" }, { "created": "Mon, 5 Oct 2020 12:54:48 GMT", "version": "v2" }, { "created": "Tue, 6 Oct 2020 07:57:00 GMT", "version": "v3" }, { "created": "Thu, 7 Jan 2021 07:29:24 GMT", "version": "v4" } ]
2021-01-08
[ [ "Walsh", "Ian", "" ], [ "Fishman", "Dmytro", "" ], [ "Garcia-Gasulla", "Dario", "" ], [ "Titma", "Tiina", "" ], [ "Pollastri", "Gianluca", "" ], [ "group", "The ELIXIR Machine Learning focus", "" ], [ "Harrow", ...
Modern biology frequently relies on machine learning to provide predictions and improve decision processes. There have been recent calls for more scrutiny on machine learning performance and possible limitations. Here we present a set of community-wide recommendations aiming to help establish standards of supervised ma...
1907.03005
Japan Patel
Japan K. Patel, John J. Kuczek, and Richard Vasques
One-Way Coupled Tumor Response Model for Combined-Hyperthermia-Radiotherapy Treatment with Anisotropic Scattering
4 pages, 2 figures, submitted to ANS Winter Meeting and Expo. arXiv admin note: substantial text overlap with arXiv:1905.10441
Transactions of the American Nuclear Society 121 (2019), 65-68
null
null
q-bio.TO
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Therapies such as combined-hyperthermia-radiotherapy (CHR) take advantage of excellent radiosensitization properties of hyperthermia and treat of tumors with both radiation and heat. To appropriately model a CHR treatment, features like tumor heating (heat transfer), dosimetry (radiation transport), and tumor dynamic...
[ { "created": "Wed, 3 Jul 2019 18:47:33 GMT", "version": "v1" } ]
2020-05-14
[ [ "Patel", "Japan K.", "" ], [ "Kuczek", "John J.", "" ], [ "Vasques", "Richard", "" ] ]
Therapies such as combined-hyperthermia-radiotherapy (CHR) take advantage of excellent radiosensitization properties of hyperthermia and treat of tumors with both radiation and heat. To appropriately model a CHR treatment, features like tumor heating (heat transfer), dosimetry (radiation transport), and tumor dynamics ...
2012.00252
Pankaj Mehta
Robert Marsland III, Owen Howell, Andreas Mayer, Pankaj Mehta
Tregs self-organize into a "computing ecosystem" and implement a sophisticated optimization algorithm for mediating immune response
8 pages, 4 figures + Appendix; Accepted at PNAS
null
null
null
q-bio.PE cond-mat.soft cond-mat.stat-mech nlin.AO q-bio.TO
http://creativecommons.org/licenses/by/4.0/
Regulatory T cells (Tregs) play a crucial role in mediating immune response. Yet an algorithmic understanding of the role of Tregs in adaptive immunity remains lacking. Here, we present a biophysically realistic model of Treg mediated self-tolerance in which Tregs bind to self-antigens and locally inhibit the prolife...
[ { "created": "Tue, 1 Dec 2020 04:12:40 GMT", "version": "v1" } ]
2020-12-02
[ [ "Marsland", "Robert", "III" ], [ "Howell", "Owen", "" ], [ "Mayer", "Andreas", "" ], [ "Mehta", "Pankaj", "" ] ]
Regulatory T cells (Tregs) play a crucial role in mediating immune response. Yet an algorithmic understanding of the role of Tregs in adaptive immunity remains lacking. Here, we present a biophysically realistic model of Treg mediated self-tolerance in which Tregs bind to self-antigens and locally inhibit the prolifera...
1605.03060
Matthew Ricci
Matthew Ricci, Junkyung Kim, Fredrik Johansson
A Passage-of-time Model of the Cerebellar Purkinje Cell
14 pages, 10 figures; fixed typos on page 6, 7
null
null
null
q-bio.NC
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The cerebellar Purkinje cell controlling eyeblinks can learn, remember and reproduce the interstimulus interval in a classical conditioning paradigm. Given temporally separated inputs, the cerebellar Purkinje cell learns to pause its tonic inhibition of a motor pathway with high temporal precision so that an overt bl...
[ { "created": "Tue, 10 May 2016 15:32:03 GMT", "version": "v1" }, { "created": "Thu, 12 May 2016 17:48:13 GMT", "version": "v2" } ]
2016-05-13
[ [ "Ricci", "Matthew", "" ], [ "Kim", "Junkyung", "" ], [ "Johansson", "Fredrik", "" ] ]
The cerebellar Purkinje cell controlling eyeblinks can learn, remember and reproduce the interstimulus interval in a classical conditioning paradigm. Given temporally separated inputs, the cerebellar Purkinje cell learns to pause its tonic inhibition of a motor pathway with high temporal precision so that an overt blin...
q-bio/0601019
Jie Liang
Yan Y. Tseng and Jie Liang
Estimation of Amino Acid Residue Substitution Rates at Local Spatial Regions and Application in Protein Function Inference: A Bayesian Monte Carlo Approach
27 pages, 7 figures
Mol Biol Evol. 2006 Feb;23(2):421-36. Epub 2005 Oct 26
10.1093/molbev/msj048
null
q-bio.BM
null
The amino acid sequences of proteins provide rich information for inferring distant phylogenetic relationships and for predicting protein functions. Estimating the rate matrix of residue substitutions from amino acid sequences is also important because the rate matrix can be used to develop scoring matrices for seque...
[ { "created": "Fri, 13 Jan 2006 07:39:12 GMT", "version": "v1" } ]
2007-05-23
[ [ "Tseng", "Yan Y.", "" ], [ "Liang", "Jie", "" ] ]
The amino acid sequences of proteins provide rich information for inferring distant phylogenetic relationships and for predicting protein functions. Estimating the rate matrix of residue substitutions from amino acid sequences is also important because the rate matrix can be used to develop scoring matrices for sequenc...
2208.00153
Kwadwo Antwi-Fordjour
Rana D. Parshad, Sureni Wickramsooriya, Kwadwo Antwi-Fordjour, Aniket Banerjee
Additional food causes predator "explosion" -- unless the predators compete
30 pages
null
10.1142/S0218127423500347
null
q-bio.PE math.DS
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The literature posits that an introduced predator population, is able to drive it's target pest population extinct, if supplemented with high quality additional food of quantity $\xi > \xi_{critical}$, \cite{SP11, SPV18, SPD17, SPM13}. We show this approach leads to infinite time blow-up of the predator population. W...
[ { "created": "Sat, 30 Jul 2022 07:10:35 GMT", "version": "v1" } ]
2023-04-05
[ [ "Parshad", "Rana D.", "" ], [ "Wickramsooriya", "Sureni", "" ], [ "Antwi-Fordjour", "Kwadwo", "" ], [ "Banerjee", "Aniket", "" ] ]
The literature posits that an introduced predator population, is able to drive it's target pest population extinct, if supplemented with high quality additional food of quantity $\xi > \xi_{critical}$, \cite{SP11, SPV18, SPD17, SPM13}. We show this approach leads to infinite time blow-up of the predator population. We ...
2006.07882
Bastian Rieck
Bastian Rieck, Tristan Yates, Christian Bock, Karsten Borgwardt, Guy Wolf, Nicholas Turk-Browne, Smita Krishnaswamy
Uncovering the Topology of Time-Varying fMRI Data using Cubical Persistence
Accepted at the Conference on Neural Information Processing Systems (NeurIPS) 2020; camera-ready version
null
null
null
q-bio.NC cs.LG eess.IV math.AT stat.ML
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Functional magnetic resonance imaging (fMRI) is a crucial technology for gaining insights into cognitive processes in humans. Data amassed from fMRI measurements result in volumetric data sets that vary over time. However, analysing such data presents a challenge due to the large degree of noise and person-to-person ...
[ { "created": "Sun, 14 Jun 2020 12:29:37 GMT", "version": "v1" }, { "created": "Thu, 22 Oct 2020 17:35:21 GMT", "version": "v2" } ]
2020-10-23
[ [ "Rieck", "Bastian", "" ], [ "Yates", "Tristan", "" ], [ "Bock", "Christian", "" ], [ "Borgwardt", "Karsten", "" ], [ "Wolf", "Guy", "" ], [ "Turk-Browne", "Nicholas", "" ], [ "Krishnaswamy", "Smita", "" ]...
Functional magnetic resonance imaging (fMRI) is a crucial technology for gaining insights into cognitive processes in humans. Data amassed from fMRI measurements result in volumetric data sets that vary over time. However, analysing such data presents a challenge due to the large degree of noise and person-to-person va...
0809.1231
Franco Bagnoli
Franco Bagnoli
Evolutionary models for simple biosystems
new version
null
null
null
q-bio.PE
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The concept of evolutionary development of structures constituted a \emph{real} revolution in biology: it was possible to understand how the very complex structures of life can arise in an out-of-equilibrium system. The investigation of such systems has shown that indeed, systems under a flux of energy or matter can ...
[ { "created": "Sun, 7 Sep 2008 16:31:18 GMT", "version": "v1" }, { "created": "Thu, 27 Aug 2009 13:00:02 GMT", "version": "v2" } ]
2009-08-27
[ [ "Bagnoli", "Franco", "" ] ]
The concept of evolutionary development of structures constituted a \emph{real} revolution in biology: it was possible to understand how the very complex structures of life can arise in an out-of-equilibrium system. The investigation of such systems has shown that indeed, systems under a flux of energy or matter can se...
1005.1088
Ryan Gutenkunst
Ryan N. Gutenkunst, Daniel Coombs, Toby Star, Michael L. Dustin and Byron Goldstein
A biophysical model of cell adhesion mediated by immunoadhesin drugs and antibodies
13 pages, 5 figures
null
10.1371/journal.pone.0019701
LA-UR 10-02105
q-bio.CB
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
A promising direction in drug development is to exploit the ability of natural killer cells to kill antibody-labeled target cells. Monoclonal antibodies and drugs designed to elicit this effect typically bind cell-surface epitopes that are overexpressed on target cells but also present on other cells. Thus it is impo...
[ { "created": "Thu, 6 May 2010 21:21:31 GMT", "version": "v1" } ]
2015-05-18
[ [ "Gutenkunst", "Ryan N.", "" ], [ "Coombs", "Daniel", "" ], [ "Star", "Toby", "" ], [ "Dustin", "Michael L.", "" ], [ "Goldstein", "Byron", "" ] ]
A promising direction in drug development is to exploit the ability of natural killer cells to kill antibody-labeled target cells. Monoclonal antibodies and drugs designed to elicit this effect typically bind cell-surface epitopes that are overexpressed on target cells but also present on other cells. Thus it is import...
1705.05090
Caterina La Porta AM
Costanza Giampietro, Maria Chiara Lionetti, Giulio Costantini, Federico Mutti, Stefano Zapperi, Caterina A.M. La Porta
Cholesterol impairment contributes to neuroserpin aggregation
7 figures
Scientific Reports 7, Article number: 43669 (2017)
10.1038/srep43669
null
q-bio.CB
http://creativecommons.org/licenses/by/4.0/
Intraneural accumulation of misfolded proteins is a common feature of several neurodegenerative pathologies including Alzheimer's and Parkinson's diseases, and Familial Encephalopathy with Neuroserpin Inclusion Bodies (FENIB). FENIB is a rare disease due to a point mutation in neuroserpin which accelerates protein ag...
[ { "created": "Mon, 15 May 2017 07:18:47 GMT", "version": "v1" } ]
2017-05-16
[ [ "Giampietro", "Costanza", "" ], [ "Lionetti", "Maria Chiara", "" ], [ "Costantini", "Giulio", "" ], [ "Mutti", "Federico", "" ], [ "Zapperi", "Stefano", "" ], [ "La Porta", "Caterina A. M.", "" ] ]
Intraneural accumulation of misfolded proteins is a common feature of several neurodegenerative pathologies including Alzheimer's and Parkinson's diseases, and Familial Encephalopathy with Neuroserpin Inclusion Bodies (FENIB). FENIB is a rare disease due to a point mutation in neuroserpin which accelerates protein aggr...
1903.02795
Miquel Palmer
Miquel Palmer, Borja Tolosa, Antoni Maria Grau, Maria del Mar Gil, Clara Obregona, Beatriz Morales-Nin
Combining sale records of landings and fishers knowledge for predicting metiers in a small-scale, multi-gear, multispecies fishery
7 figures, 5 tables, http://hdl.handle.net/10261/174686
Journal of Fisheries Research, Volume 195, November 2017, Pages 59-70
10.1016/j.fishres.2017.07.001
null
q-bio.PE
http://creativecommons.org/licenses/by-nc-sa/4.0/
Stock management should be guided by assessment models that, among others, need to be fed by reliable data of catch and effort. However, precise data are difficult to obtain in heterogeneous fisheries. Specifically, small scale, multi gear, multispecies fisheries are dynamic systems where fishers may lively change fi...
[ { "created": "Thu, 7 Mar 2019 09:51:29 GMT", "version": "v1" } ]
2019-03-08
[ [ "Palmer", "Miquel", "" ], [ "Tolosa", "Borja", "" ], [ "Grau", "Antoni Maria", "" ], [ "Gil", "Maria del Mar", "" ], [ "Obregona", "Clara", "" ], [ "Morales-Nin", "Beatriz", "" ] ]
Stock management should be guided by assessment models that, among others, need to be fed by reliable data of catch and effort. However, precise data are difficult to obtain in heterogeneous fisheries. Specifically, small scale, multi gear, multispecies fisheries are dynamic systems where fishers may lively change fish...
1606.00463
Nihal Temamogullari
N Ezgi Temamogullari, H Frederik Nijhout, Michael C Reed
Mathematical Modeling of Perifusion Cell Culture Experiments on GnRH Signaling
null
null
null
null
q-bio.CB
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The effects of pulsatile GnRH stimulation on anterior pituitary cells are studied using perifusion cell cultures, where constantly moving medium over the immo- bilized cells allows intermittent GnRH delivery. The LH content of the outgoing medium serves as a readout of the GnRH signaling pathway activation in the cel...
[ { "created": "Wed, 9 Dec 2015 21:09:16 GMT", "version": "v1" } ]
2016-06-03
[ [ "Temamogullari", "N Ezgi", "" ], [ "Nijhout", "H Frederik", "" ], [ "Reed", "Michael C", "" ] ]
The effects of pulsatile GnRH stimulation on anterior pituitary cells are studied using perifusion cell cultures, where constantly moving medium over the immo- bilized cells allows intermittent GnRH delivery. The LH content of the outgoing medium serves as a readout of the GnRH signaling pathway activation in the cells...
1708.07612
Akira Kinjo
Akira R. Kinjo
Cooperative "folding transition" in the sequence space facilitates function-driven evolution of protein families
13 pages, 7 figures, 2 tables (a new subsection added)
Journal of Theoretical Biology 443:18-27 (2018)
10.1016/j.jtbi.2018.01.019
null
q-bio.BM physics.bio-ph
http://creativecommons.org/licenses/by/4.0/
In the protein sequence space, natural proteins form clusters of families which are characterized by their unique native folds whereas the great majority of random polypeptides are neither clustered nor foldable to unique structures. Since a given polypeptide can be either foldable or unfoldable, a kind of "folding t...
[ { "created": "Fri, 25 Aug 2017 04:38:47 GMT", "version": "v1" }, { "created": "Wed, 27 Dec 2017 00:16:09 GMT", "version": "v2" }, { "created": "Tue, 16 Jan 2018 05:22:05 GMT", "version": "v3" } ]
2018-02-06
[ [ "Kinjo", "Akira R.", "" ] ]
In the protein sequence space, natural proteins form clusters of families which are characterized by their unique native folds whereas the great majority of random polypeptides are neither clustered nor foldable to unique structures. Since a given polypeptide can be either foldable or unfoldable, a kind of "folding tra...
1411.4624
John Abel
John H. Abel, Lukas A. Widmer, Peter C. St. John, J\"org Stelling, Francis J. Doyle III
A Coupled Stochastic Model Explains Differences in Circadian Behavior of Cry1 and Cry2 Knockouts
15 pages, 5 figures update 22-Feb 2015: text revisions, typographical error fixes
null
null
null
q-bio.MN
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
In the mammalian suprachiasmatic nucleus (SCN), a population of noisy cell-autonomous oscillators synchronizes to generate robust circadian rhythms at the organism-level. Within these cells two isoforms of Cryptochrome, Cry1 and Cry2, participate in a negative feedback loop driving circadian rhythmicity. Previous wor...
[ { "created": "Mon, 17 Nov 2014 20:24:37 GMT", "version": "v1" }, { "created": "Sun, 22 Feb 2015 19:59:49 GMT", "version": "v2" } ]
2015-02-24
[ [ "Abel", "John H.", "" ], [ "Widmer", "Lukas A.", "" ], [ "John", "Peter C. St.", "" ], [ "Stelling", "Jörg", "" ], [ "Doyle", "Francis J.", "III" ] ]
In the mammalian suprachiasmatic nucleus (SCN), a population of noisy cell-autonomous oscillators synchronizes to generate robust circadian rhythms at the organism-level. Within these cells two isoforms of Cryptochrome, Cry1 and Cry2, participate in a negative feedback loop driving circadian rhythmicity. Previous work ...
1411.1672
Rafael Frigori
Rafael B. Frigori
Breakout character of islet amyloid polypeptide hydrophobic mutations at the onset of type-2 diabetes
8 pages, 6 figures, 1 table; final version to appear in Physical Review E
Physical Review E 90, 052716 (2014)
10.1103/PhysRevE.90.052716
null
q-bio.BM
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Toxic fibrillar aggregates of Islet Amyloid PolyPeptide (IAPP) appear as the physical outcome of a peptidic phase-transition signaling the onset of type-2 diabetes mellitus in different mammalian species. In particular, experimentally verified mutations on the amyloidogenic segment 20-29 in humans, cats and rats are ...
[ { "created": "Wed, 5 Nov 2014 11:10:49 GMT", "version": "v1" } ]
2014-11-27
[ [ "Frigori", "Rafael B.", "" ] ]
Toxic fibrillar aggregates of Islet Amyloid PolyPeptide (IAPP) appear as the physical outcome of a peptidic phase-transition signaling the onset of type-2 diabetes mellitus in different mammalian species. In particular, experimentally verified mutations on the amyloidogenic segment 20-29 in humans, cats and rats are hi...
2204.00583
Vincent Painchaud
Vincent Painchaud, Nicolas Doyon and Patrick Desrosiers
Beyond Wilson-Cowan dynamics: oscillations and chaos without inhibition
21 pages, 15 figures
Biological Cybernetics (2022)
10.1007/s00422-022-00941-w
null
q-bio.NC physics.bio-ph
http://creativecommons.org/licenses/by/4.0/
Fifty years ago, Wilson and Cowan developed a mathematical model to describe the activity of neural populations. In this seminal work, they divided the cells in three groups: active, sensitive and refractory, and obtained a dynamical system to describe the evolution of the average firing rates of the populations. In ...
[ { "created": "Fri, 1 Apr 2022 17:13:55 GMT", "version": "v1" }, { "created": "Mon, 30 May 2022 19:08:13 GMT", "version": "v2" } ]
2022-09-07
[ [ "Painchaud", "Vincent", "" ], [ "Doyon", "Nicolas", "" ], [ "Desrosiers", "Patrick", "" ] ]
Fifty years ago, Wilson and Cowan developed a mathematical model to describe the activity of neural populations. In this seminal work, they divided the cells in three groups: active, sensitive and refractory, and obtained a dynamical system to describe the evolution of the average firing rates of the populations. In th...
1311.2260
Chen Jia
Chen Jia, Minping Qian, Daquan Jiang
Overshoot in biological systems modeled by Markov chains: a nonequilibrium dynamic phenomenon
15 pages, 3 figures
IET Systems Biology, 8(4):138-145, 2014
10.1049/iet-syb.2013.0050
null
q-bio.QM
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
A number of biological systems can be modeled by Markov chains. Recently, there has been an increasing concern about when biological systems modeled by Markov chains will perform a dynamic phenomenon called overshoot. In this article, we found that the steady-state behavior of the system will have a great effect on t...
[ { "created": "Sun, 10 Nov 2013 11:47:15 GMT", "version": "v1" }, { "created": "Sat, 24 May 2014 17:14:37 GMT", "version": "v2" } ]
2014-08-27
[ [ "Jia", "Chen", "" ], [ "Qian", "Minping", "" ], [ "Jiang", "Daquan", "" ] ]
A number of biological systems can be modeled by Markov chains. Recently, there has been an increasing concern about when biological systems modeled by Markov chains will perform a dynamic phenomenon called overshoot. In this article, we found that the steady-state behavior of the system will have a great effect on the...
2002.06616
Bernard Offmann
Surbhi Dhingra, Ramanathan Sowdhamini, Fr\'ed\'eric Cadet, and Bernard Offmann
A glance into the evolution of template-free protein structure prediction methodologies
17 pages, 1 figure, 1 table
null
10.1016/j.biochi.2020.04.026
null
q-bio.QM q-bio.BM
http://creativecommons.org/licenses/by/4.0/
Prediction of protein structures using computational approaches has been explored for over two decades, paving a way for more focused research and development of algorithms in comparative modelling, ab intio modelling and structure refinement protocols. A tremendous success has been witnessed in template-based modell...
[ { "created": "Sun, 16 Feb 2020 16:36:58 GMT", "version": "v1" }, { "created": "Fri, 24 Apr 2020 12:50:27 GMT", "version": "v2" } ]
2020-05-19
[ [ "Dhingra", "Surbhi", "" ], [ "Sowdhamini", "Ramanathan", "" ], [ "Cadet", "Frédéric", "" ], [ "Offmann", "Bernard", "" ] ]
Prediction of protein structures using computational approaches has been explored for over two decades, paving a way for more focused research and development of algorithms in comparative modelling, ab intio modelling and structure refinement protocols. A tremendous success has been witnessed in template-based modellin...
2202.05031
Jiahui Chen
Jiahui Chen and Guo-Wei Wei
Omicron BA.2 (B.1.1.529.2): high potential to becoming the next dominating variant
null
null
null
null
q-bio.PE q-bio.BM
http://creativecommons.org/licenses/by/4.0/
The Omicron variant of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has rapidly replaced the Delta variant as a dominating SARS-CoV-2 variant because of natural selection, which favors the variant with higher infectivity and stronger vaccine breakthrough ability. Omicron has three lineages or subvaria...
[ { "created": "Thu, 10 Feb 2022 13:38:44 GMT", "version": "v1" } ]
2022-02-11
[ [ "Chen", "Jiahui", "" ], [ "Wei", "Guo-Wei", "" ] ]
The Omicron variant of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has rapidly replaced the Delta variant as a dominating SARS-CoV-2 variant because of natural selection, which favors the variant with higher infectivity and stronger vaccine breakthrough ability. Omicron has three lineages or subvariant...
2101.03323
Jingwei Liu
Jingwei Liu
SARS-Cov-2 RNA Sequence Classification Based on Territory Information
7 figures
null
null
null
q-bio.QM cs.LG stat.CO
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
CovID-19 genetics analysis is critical to determine virus type,virus variant and evaluate vaccines. In this paper, SARS-Cov-2 RNA sequence analysis relative to region or territory is investigated. A uniform framework of sequence SVM model with various genetics length from short to long and mixed-bases is developed by...
[ { "created": "Sat, 9 Jan 2021 09:12:27 GMT", "version": "v1" } ]
2021-01-12
[ [ "Liu", "Jingwei", "" ] ]
CovID-19 genetics analysis is critical to determine virus type,virus variant and evaluate vaccines. In this paper, SARS-Cov-2 RNA sequence analysis relative to region or territory is investigated. A uniform framework of sequence SVM model with various genetics length from short to long and mixed-bases is developed by p...
1412.2818
Fabian Chersi
Fabian Chersi
The hippocampal-striatal circuit for goal-directed and habitual choice
null
null
null
null
q-bio.NC
http://creativecommons.org/licenses/by-nc-sa/3.0/
It is now widely accepted that one of the roles of the hippocampus is to maintain episodic spatial representations, while parallel striatal pathways contribute to both declarative and procedural value computations by encoding different input-specific outcome predictions. In this paper we investigate the use of these ...
[ { "created": "Tue, 9 Dec 2014 00:19:25 GMT", "version": "v1" } ]
2014-12-10
[ [ "Chersi", "Fabian", "" ] ]
It is now widely accepted that one of the roles of the hippocampus is to maintain episodic spatial representations, while parallel striatal pathways contribute to both declarative and procedural value computations by encoding different input-specific outcome predictions. In this paper we investigate the use of these br...
1306.6656
Gergely J Sz\"oll\H{o}si
Murray Patterson and Gergely J Sz\"oll\H{o}si and Vincent Daubin and Eric Tannier
Lateral Gene Transfer, Rearrangement and Reconciliation
submitted for RECOMB CG 2013
null
null
null
q-bio.PE q-bio.GN
http://creativecommons.org/licenses/by-nc-sa/3.0/
Background. Models of ancestral gene order reconstruction have progressively integrated different evolutionary patterns and processes such as unequal gene content, gene duplications, and implicitly sequence evolution via reconciled gene trees. In unicellular organisms, these models have so far ignored lateral gene ...
[ { "created": "Thu, 27 Jun 2013 20:38:34 GMT", "version": "v1" } ]
2013-07-01
[ [ "Patterson", "Murray", "" ], [ "Szöllősi", "Gergely J", "" ], [ "Daubin", "Vincent", "" ], [ "Tannier", "Eric", "" ] ]
Background. Models of ancestral gene order reconstruction have progressively integrated different evolutionary patterns and processes such as unequal gene content, gene duplications, and implicitly sequence evolution via reconciled gene trees. In unicellular organisms, these models have so far ignored lateral gene tran...
q-bio/0403008
Mark Ya. Azbel'
Mark Ya. Azbel'
Immortality as a physical problem
refined version
null
null
null
q-bio.QM q-bio.PE
null
Well protected human and laboratory animal populations with abundant resources are evolutionary unprecedented. Physical approach, which takes advantage of their extensively quantified mortality, establishes that its dominant fraction yields the exact law, whose universality from yeast to humans is unprecedented, and ...
[ { "created": "Thu, 4 Mar 2004 14:04:31 GMT", "version": "v1" }, { "created": "Mon, 3 May 2004 15:48:36 GMT", "version": "v2" } ]
2007-05-23
[ [ "Azbel'", "Mark Ya.", "" ] ]
Well protected human and laboratory animal populations with abundant resources are evolutionary unprecedented. Physical approach, which takes advantage of their extensively quantified mortality, establishes that its dominant fraction yields the exact law, whose universality from yeast to humans is unprecedented, and su...
2007.10048
Nadav M. Shnerb
Jayant Pande and Nadav M. Shnerb
Population dynamics in stochastic environments
null
null
null
null
q-bio.PE cond-mat.stat-mech
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Populations are made up of an integer number of individuals and are subject to stochastic birth-death processes whose rates may vary in time. Useful quantities, like the chance of ultimate fixation, satisfy an appropriate difference (master) equation, but closed-form solutions of these equations are rare. Analytical ...
[ { "created": "Mon, 20 Jul 2020 12:41:05 GMT", "version": "v1" }, { "created": "Tue, 21 Jul 2020 06:52:07 GMT", "version": "v2" } ]
2020-07-22
[ [ "Pande", "Jayant", "" ], [ "Shnerb", "Nadav M.", "" ] ]
Populations are made up of an integer number of individuals and are subject to stochastic birth-death processes whose rates may vary in time. Useful quantities, like the chance of ultimate fixation, satisfy an appropriate difference (master) equation, but closed-form solutions of these equations are rare. Analytical in...
1908.02434
Fabio Sanchez PhD
Fabio Sanchez and Juan G. Calvo
Dengue model with early-life stage of vectors and age-structure within host
16 pages, 11 figures
null
null
null
q-bio.PE math.DS
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We construct an epidemic model for the transmission of dengue fever with an early-life stage in the vector dynamics and age-structure within hosts. The early-life stage of the vector is modeled via a general function that supports multiple vector densities. The {\it basic reproductive number} and {\it vector demograp...
[ { "created": "Wed, 7 Aug 2019 04:09:07 GMT", "version": "v1" }, { "created": "Mon, 30 Sep 2019 15:49:24 GMT", "version": "v2" } ]
2019-10-01
[ [ "Sanchez", "Fabio", "" ], [ "Calvo", "Juan G.", "" ] ]
We construct an epidemic model for the transmission of dengue fever with an early-life stage in the vector dynamics and age-structure within hosts. The early-life stage of the vector is modeled via a general function that supports multiple vector densities. The {\it basic reproductive number} and {\it vector demographi...
1806.03872
Zachary Kilpatrick PhD
Khanh P Nguyen, Kresimir Josic, and Zachary P Kilpatrick
Optimizing sequential decisions in the drift-diffusion model
20 pages, 6 figures
null
null
null
q-bio.NC math.PR
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
To make decisions organisms often accumulate information across multiple timescales. However, most experimental and modeling studies of decision-making focus on sequences of independent trials. On the other hand, natural environments are characterized by long temporal correlations, and evidence used to make a present...
[ { "created": "Mon, 11 Jun 2018 09:24:54 GMT", "version": "v1" } ]
2018-06-12
[ [ "Nguyen", "Khanh P", "" ], [ "Josic", "Kresimir", "" ], [ "Kilpatrick", "Zachary P", "" ] ]
To make decisions organisms often accumulate information across multiple timescales. However, most experimental and modeling studies of decision-making focus on sequences of independent trials. On the other hand, natural environments are characterized by long temporal correlations, and evidence used to make a present c...
1710.07365
Themistoklis Melissourgos
Themistoklis Melissourgos, Sotiris Nikoletseas, Christoforos Raptopoulos and Paul Spirakis
An extension of the Moran process using type-specific connection graphs
null
null
null
null
q-bio.PE cs.DM cs.GT cs.SI math.CO
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The Moran process, as studied by [Lieberman, E., Hauert, C. and Nowak, M. Evolutionary dynamics on graphs. Nature 433, pp. 312-316 (2005)], is a stochastic process modeling the spread of genetic mutations in populations. In this process, agents of a two-type population (i.e. mutants and residents) are associated with...
[ { "created": "Thu, 19 Oct 2017 22:48:51 GMT", "version": "v1" }, { "created": "Wed, 23 May 2018 11:38:08 GMT", "version": "v2" }, { "created": "Mon, 26 Jul 2021 15:12:29 GMT", "version": "v3" } ]
2021-07-27
[ [ "Melissourgos", "Themistoklis", "" ], [ "Nikoletseas", "Sotiris", "" ], [ "Raptopoulos", "Christoforos", "" ], [ "Spirakis", "Paul", "" ] ]
The Moran process, as studied by [Lieberman, E., Hauert, C. and Nowak, M. Evolutionary dynamics on graphs. Nature 433, pp. 312-316 (2005)], is a stochastic process modeling the spread of genetic mutations in populations. In this process, agents of a two-type population (i.e. mutants and residents) are associated with t...
1512.03825
Maani Beigy
Maani Beigy
Generalized Resemblance Theory of Evidence: a Proposal for Precision/Personalized Evidence-Based Medicine
null
null
null
null
q-bio.OT
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Precision medicine emerges as the most important contemporary paradigm shift of medical practice but has several challenges in evidence formation and implementation for clinical practice. Precision/Personalized evidence-based medicine (pEBM) requires theoretical support for decision making and information management....
[ { "created": "Sun, 13 Dec 2015 11:15:30 GMT", "version": "v1" } ]
2015-12-15
[ [ "Beigy", "Maani", "" ] ]
Precision medicine emerges as the most important contemporary paradigm shift of medical practice but has several challenges in evidence formation and implementation for clinical practice. Precision/Personalized evidence-based medicine (pEBM) requires theoretical support for decision making and information management. T...
1906.05369
Eduardo Mart\'inez-Montes
Julio A. Peraza-Goicolea, Eduardo Mart\'inez-Montes, Eduardo Aubert, Pedro A. Vald\'es-Hern\'andez, Roberto Mulet
Modeling functional resting-state brain networks through neural message passing on the human connectome
null
null
null
null
q-bio.NC cond-mat.dis-nn cond-mat.stat-mech nlin.AO
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Understanding the relationship between the structure and function of the human brain is one of the most important open questions in Neurosciences. In particular, Resting State Networks (RSN) and more specifically the Default Mode Network (DMN) of the brain, which are defined from the analysis of functional data lack ...
[ { "created": "Wed, 12 Jun 2019 20:32:57 GMT", "version": "v1" } ]
2019-06-14
[ [ "Peraza-Goicolea", "Julio A.", "" ], [ "Martínez-Montes", "Eduardo", "" ], [ "Aubert", "Eduardo", "" ], [ "Valdés-Hernández", "Pedro A.", "" ], [ "Mulet", "Roberto", "" ] ]
Understanding the relationship between the structure and function of the human brain is one of the most important open questions in Neurosciences. In particular, Resting State Networks (RSN) and more specifically the Default Mode Network (DMN) of the brain, which are defined from the analysis of functional data lack a ...
1010.0919
Jaewook Joo
Luong Nguyen, Dubravka Bodiroga, Reka Kelemen, Jaewook Joo, and Kimberly D. Gwinn
Modeling the effects of cymene on the distribution of germination and growth of Beauveria bassiana
Student draft submitted to NIMBioS REU program, 19 pages, 12 figures
null
null
null
q-bio.QM q-bio.SC
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Essential oils have antifungal and antipathogenic effects and therefore are targets in plant pathology research for their potential uses as natural substitutes for inorganic plant pesticides. Beauveria bassiana, an entomopathogenic fungus, can endophytically colonize a vast number of plant species and trigger induced...
[ { "created": "Tue, 5 Oct 2010 15:31:11 GMT", "version": "v1" } ]
2010-10-06
[ [ "Nguyen", "Luong", "" ], [ "Bodiroga", "Dubravka", "" ], [ "Kelemen", "Reka", "" ], [ "Joo", "Jaewook", "" ], [ "Gwinn", "Kimberly D.", "" ] ]
Essential oils have antifungal and antipathogenic effects and therefore are targets in plant pathology research for their potential uses as natural substitutes for inorganic plant pesticides. Beauveria bassiana, an entomopathogenic fungus, can endophytically colonize a vast number of plant species and trigger induced s...
1810.06066
Thomas House
A. Bishop, I. Z. Kiss and T. House
Consistent Approximation of Epidemic Dynamics on Degree-heterogeneous Clustered Networks
14 pages, 7 figures
null
null
null
q-bio.PE physics.soc-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Realistic human contact networks capable of spreading infectious disease, for example studied in social contact surveys, exhibit both significant degree heterogeneity and clustering, both of which greatly affect epidemic dynamics. To understand the joint effects of these two network properties on epidemic dynamics, t...
[ { "created": "Sun, 14 Oct 2018 17:13:51 GMT", "version": "v1" } ]
2018-10-16
[ [ "Bishop", "A.", "" ], [ "Kiss", "I. Z.", "" ], [ "House", "T.", "" ] ]
Realistic human contact networks capable of spreading infectious disease, for example studied in social contact surveys, exhibit both significant degree heterogeneity and clustering, both of which greatly affect epidemic dynamics. To understand the joint effects of these two network properties on epidemic dynamics, the...
1902.05845
Michel Kana PhD
Michel Kana
Assessing the Level of Autonomic Nervous Activity for Effective Biofeedback Training
null
null
null
null
q-bio.NC physics.med-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
This paper proposes a prototype of a new biofeedback training based on mathematical models of cardiovascular control. For this purpose we develop a low-cost device that is able to record and process arterial pulse wave via photoplethysmograph and skin temperature on the peripheral part of the arm. A benchmark analysi...
[ { "created": "Fri, 15 Feb 2019 15:30:38 GMT", "version": "v1" } ]
2019-02-18
[ [ "Kana", "Michel", "" ] ]
This paper proposes a prototype of a new biofeedback training based on mathematical models of cardiovascular control. For this purpose we develop a low-cost device that is able to record and process arterial pulse wave via photoplethysmograph and skin temperature on the peripheral part of the arm. A benchmark analysis ...
2303.12813
Sarah Pungitore
Sarah Pungitore, Toluwanimi Olorunnisola, Jarrod Mosier, Vignesh Subbian
Computable Phenotypes for Post-acute sequelae of SARS-CoV-2: A National COVID Cohort Collaborative Analysis
null
null
null
null
q-bio.QM
http://creativecommons.org/licenses/by/4.0/
Post-acute sequelae of SARS-CoV-2 (PASC) is an increasingly recognized yet incompletely understood public health concern. Several studies have examined various ways to phenotype PASC to better characterize this heterogeneous condition. However, many gaps in PASC phenotyping research exist, including a lack of the fol...
[ { "created": "Wed, 22 Mar 2023 02:14:31 GMT", "version": "v1" }, { "created": "Tue, 8 Aug 2023 00:04:42 GMT", "version": "v2" } ]
2023-08-09
[ [ "Pungitore", "Sarah", "" ], [ "Olorunnisola", "Toluwanimi", "" ], [ "Mosier", "Jarrod", "" ], [ "Subbian", "Vignesh", "" ] ]
Post-acute sequelae of SARS-CoV-2 (PASC) is an increasingly recognized yet incompletely understood public health concern. Several studies have examined various ways to phenotype PASC to better characterize this heterogeneous condition. However, many gaps in PASC phenotyping research exist, including a lack of the follo...
2006.14790
Emilio Angelina Angelina
Emilio Angelina, Sebastian Andujar, Oscar Parravicini, Daniel Enriz and Nelida Peruchena
Drug Repurposing to find Inhibitors of SARS-CoV-2 Main Protease
null
null
null
null
q-bio.BM
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is the strain of coronavirus that causes coronavirus disease 2019 (COVID-19), the respiratory illness responsible for the COVID-19 pandemic. Currently there is no known vaccine or specific antiviral treatment for COVID-19 and so, there is an urgent need for...
[ { "created": "Fri, 26 Jun 2020 04:19:28 GMT", "version": "v1" } ]
2020-06-29
[ [ "Angelina", "Emilio", "" ], [ "Andujar", "Sebastian", "" ], [ "Parravicini", "Oscar", "" ], [ "Enriz", "Daniel", "" ], [ "Peruchena", "Nelida", "" ] ]
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is the strain of coronavirus that causes coronavirus disease 2019 (COVID-19), the respiratory illness responsible for the COVID-19 pandemic. Currently there is no known vaccine or specific antiviral treatment for COVID-19 and so, there is an urgent need for e...
2102.06125
Dong Si
Dong Si, Andrew Nakamura, Runbang Tang, Haowen Guan, Jie Hou, Ammaar Firozi, Renzhi Cao, Kyle Hippe, Minglei Zhao
Artificial Intelligence Advances for De Novo Molecular Structure Modeling in Cryo-EM
null
Wiley Interdisciplinary Reviews: Computational Molecular Science, e1542 (2021)
10.1002/wcms.1542
null
q-bio.BM cs.AI physics.bio-ph physics.comp-ph
http://creativecommons.org/licenses/by-nc-nd/4.0/
Cryo-electron microscopy (cryo-EM) has become a major experimental technique to determine the structures of large protein complexes and molecular assemblies, as evidenced by the 2017 Nobel Prize. Although cryo-EM has been drastically improved to generate high-resolution three-dimensional (3D) maps that contain detail...
[ { "created": "Thu, 11 Feb 2021 17:06:20 GMT", "version": "v1" }, { "created": "Wed, 24 Feb 2021 02:03:01 GMT", "version": "v2" } ]
2021-06-01
[ [ "Si", "Dong", "" ], [ "Nakamura", "Andrew", "" ], [ "Tang", "Runbang", "" ], [ "Guan", "Haowen", "" ], [ "Hou", "Jie", "" ], [ "Firozi", "Ammaar", "" ], [ "Cao", "Renzhi", "" ], [ "Hippe", "Kyle...
Cryo-electron microscopy (cryo-EM) has become a major experimental technique to determine the structures of large protein complexes and molecular assemblies, as evidenced by the 2017 Nobel Prize. Although cryo-EM has been drastically improved to generate high-resolution three-dimensional (3D) maps that contain detailed...
2201.00287
Jatin Kashyap
Jatin Kashyap, Dibakar Datta
Drug repurposing for SARS-COV-2: A high-throughput molecular docking, molecular dynamics, machine learning, & ab-initio study
null
null
10.1007/s10853-022-07195-8
null
q-bio.BM physics.bio-ph
http://creativecommons.org/licenses/by/4.0/
A molecule of dimension 125nm has caused around 479 Million human infections (80M for the USA) & 6.1 Million human deaths (977,000 for the USA) worldwide and slashed the global economy by US$ 8.5 Trillion over two years. The only other events in recent history that caused comparative human life loss through direct us...
[ { "created": "Sun, 2 Jan 2022 04:22:50 GMT", "version": "v1" }, { "created": "Sat, 2 Apr 2022 03:17:50 GMT", "version": "v2" }, { "created": "Thu, 7 Apr 2022 03:52:06 GMT", "version": "v3" } ]
2022-06-29
[ [ "Kashyap", "Jatin", "" ], [ "Datta", "Dibakar", "" ] ]
A molecule of dimension 125nm has caused around 479 Million human infections (80M for the USA) & 6.1 Million human deaths (977,000 for the USA) worldwide and slashed the global economy by US$ 8.5 Trillion over two years. The only other events in recent history that caused comparative human life loss through direct usag...
0808.3870
Utz-Uwe Haus
Utz-Uwe Haus (1), Kathrin Niermann (1), Klaus Truemper (2), Robert Weismantel (1) ((1) Magdeburg, Germany, (2) Dallas, Texas)
Logic Integer Programming Models for Signaling Networks
null
Journal of Computational Biology. May 2009, 16(5): 725-743
10.1089/cmb.2008.0163
null
q-bio.QM q-bio.CB
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We propose a static and a dynamic approach to model biological signaling networks, and show how each can be used to answer relevant biological questions. For this we use the two different mathematical tools of Propositional Logic and Integer Programming. The power of discrete mathematics for handling qualitative as w...
[ { "created": "Thu, 28 Aug 2008 10:11:18 GMT", "version": "v1" } ]
2009-05-13
[ [ "Haus", "Utz-Uwe", "", "Magdeburg, Germany" ], [ "Niermann", "Kathrin", "", "Magdeburg, Germany" ], [ "Truemper", "Klaus", "", "Dallas, Texas" ], [ "Weismantel", "Robert", "", "Magdeburg, Germany" ] ]
We propose a static and a dynamic approach to model biological signaling networks, and show how each can be used to answer relevant biological questions. For this we use the two different mathematical tools of Propositional Logic and Integer Programming. The power of discrete mathematics for handling qualitative as wel...
2212.00692
Denise Grappein
Stefano Berrone, Chiara Giverso, Denise Grappein, Luigi Preziosi, Stefano Scial\`o
An optimization based 3D-1D coupling strategy for tissue perfusion and chemical transport during tumor-induced angiogenesis
null
null
null
null
q-bio.TO cs.NA math.NA
http://creativecommons.org/licenses/by-nc-nd/4.0/
A new mathematical model and numerical approach are proposed for the simulation of fluid and chemical exchanges between a growing capillary network and the surrounding tissue, in the context of tumor-induced angiogenesis. Thanks to proper modeling assumptions the capillaries are reduced to their centerline: a well po...
[ { "created": "Thu, 17 Nov 2022 11:07:51 GMT", "version": "v1" } ]
2022-12-02
[ [ "Berrone", "Stefano", "" ], [ "Giverso", "Chiara", "" ], [ "Grappein", "Denise", "" ], [ "Preziosi", "Luigi", "" ], [ "Scialò", "Stefano", "" ] ]
A new mathematical model and numerical approach are proposed for the simulation of fluid and chemical exchanges between a growing capillary network and the surrounding tissue, in the context of tumor-induced angiogenesis. Thanks to proper modeling assumptions the capillaries are reduced to their centerline: a well pose...
2209.13038
Ankush Aggarwal
Ankush Aggarwal, Luke T. Hudson, Devin W. Laurence, Chung-Hao Lee, Sanjay Pant
A Bayesian constitutive model selection framework for biaxial mechanical testing of planar soft tissues: application to porcine aortic valves
null
null
10.1016/j.jmbbm.2023.105657
null
q-bio.TO physics.bio-ph physics.med-ph
http://creativecommons.org/licenses/by/4.0/
A variety of constitutive models have been developed for soft tissue mechanics. However, there is no established criterion to select a suitable model for a specific application. Although the model that best fits the experimental data can be deemed the most suitable model, this practice often can be insufficient given...
[ { "created": "Mon, 26 Sep 2022 21:39:44 GMT", "version": "v1" }, { "created": "Tue, 3 Jan 2023 10:19:09 GMT", "version": "v2" } ]
2023-01-06
[ [ "Aggarwal", "Ankush", "" ], [ "Hudson", "Luke T.", "" ], [ "Laurence", "Devin W.", "" ], [ "Lee", "Chung-Hao", "" ], [ "Pant", "Sanjay", "" ] ]
A variety of constitutive models have been developed for soft tissue mechanics. However, there is no established criterion to select a suitable model for a specific application. Although the model that best fits the experimental data can be deemed the most suitable model, this practice often can be insufficient given t...
2203.14194
Chang Sub Kim
Chang Sub Kim
Free energy and inference in living systems
31 pages, 5 figures
null
null
null
q-bio.NC
http://creativecommons.org/licenses/by-nc-nd/4.0/
Organisms are nonequilibrium, stationary systems self-organized via spontaneous symmetry breaking and undergoing metabolic cycles with broken detailed balance in the environment. The thermodynamic free-energy principle describes an organism's homeostasis as the regulation of biochemical work constrained by the physic...
[ { "created": "Sun, 27 Mar 2022 03:16:06 GMT", "version": "v1" }, { "created": "Wed, 23 Nov 2022 10:28:39 GMT", "version": "v2" } ]
2022-11-24
[ [ "Kim", "Chang Sub", "" ] ]
Organisms are nonequilibrium, stationary systems self-organized via spontaneous symmetry breaking and undergoing metabolic cycles with broken detailed balance in the environment. The thermodynamic free-energy principle describes an organism's homeostasis as the regulation of biochemical work constrained by the physical...
2101.05012
Hasindu Gamaarachchi
Hasindu Gamaarachchi
Computer Architecture-Aware Optimisation of DNA Analysis Systems
Supervisors: Parameswaran, Sri , Computer Science & Engineering, Faculty of Engineering, UNSW; Ignjatovic, Aleksandar , Computer Science & Engineering, Faculty of Engineering, UNSW; Smith, Martin A., Garvan Institute of Medical Research, Faculty of Medicine, UNSW unsworks: http://handle.unsw.edu.au/1959.4/70488
null
null
null
q-bio.GN cs.CE
http://creativecommons.org/licenses/by-nc-nd/4.0/
DNA sequencing is revolutionising the field of medicine. DNA sequencers, the machines which perform DNA sequencing, have evolved from the size of a fridge to that of a mobile phone over the last two decades. The cost of sequencing a human genome also has reduced from billions of dollars to hundreds of dollars. Despit...
[ { "created": "Wed, 13 Jan 2021 11:29:12 GMT", "version": "v1" } ]
2021-01-14
[ [ "Gamaarachchi", "Hasindu", "" ] ]
DNA sequencing is revolutionising the field of medicine. DNA sequencers, the machines which perform DNA sequencing, have evolved from the size of a fridge to that of a mobile phone over the last two decades. The cost of sequencing a human genome also has reduced from billions of dollars to hundreds of dollars. Despite ...
1310.7568
Atsushi Tero
Atsushi Tero, Masakazu Akiyama, Dai Owaki, Takeshi Kano, Akio Ishiguro, and Ryo Kobayashi
Interlimb neural connection is not required for gait transition in quadruped locomotion
6 pages, 2figures
null
null
null
q-bio.QM cs.RO cs.SY
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Quadrupeds transition spontaneously to various gait patterns (e.g., walk, trot, pace, gallop) in response to the locomotion speed. The generation of these gait patterns has been the subject of debate for a long time. We propose a coupled oscillator model that is coupled with the physical interactions of the body. The...
[ { "created": "Mon, 28 Oct 2013 08:59:30 GMT", "version": "v1" } ]
2013-10-30
[ [ "Tero", "Atsushi", "" ], [ "Akiyama", "Masakazu", "" ], [ "Owaki", "Dai", "" ], [ "Kano", "Takeshi", "" ], [ "Ishiguro", "Akio", "" ], [ "Kobayashi", "Ryo", "" ] ]
Quadrupeds transition spontaneously to various gait patterns (e.g., walk, trot, pace, gallop) in response to the locomotion speed. The generation of these gait patterns has been the subject of debate for a long time. We propose a coupled oscillator model that is coupled with the physical interactions of the body. The r...
1202.5092
Masamichi Sato
Masamichi Sato and Kenji Fukumizu
Deformed Toric Ideal Constraints for Stoichiometric Networks
null
null
null
null
q-bio.MN q-bio.QM
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We discuss chemical reaction networks and metabolic pathways based on stoichiometric network analysis, and introduce deformed toric ideal constraints by the algebraic geometrical approach. This paper concerns steady state flux of chemical reaction networks and metabolic pathways. With the deformed toric ideal constra...
[ { "created": "Thu, 23 Feb 2012 05:42:41 GMT", "version": "v1" }, { "created": "Tue, 23 Apr 2013 09:20:36 GMT", "version": "v2" } ]
2013-04-24
[ [ "Sato", "Masamichi", "" ], [ "Fukumizu", "Kenji", "" ] ]
We discuss chemical reaction networks and metabolic pathways based on stoichiometric network analysis, and introduce deformed toric ideal constraints by the algebraic geometrical approach. This paper concerns steady state flux of chemical reaction networks and metabolic pathways. With the deformed toric ideal constrain...
2010.12054
Christopher Eddy
Christopher Z. Eddy, Helena Raposo, Ryan Wong, Bo Sun
Extracellular Matrix regulates the morphodynamics of 3D migrating cancer cells
null
null
10.1038/s41598-021-99902-9
null
q-bio.CB physics.bio-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Cell shape is linked to cell function. The significance of cell morphodynamics, namely the temporal fluctuation of cell shape, is much less understood. Here we study the morphodynamics of MDA-MB-231 cells in type I collagen extracellular matrix (ECM). We systematically vary ECM physical properties by tuning collagen ...
[ { "created": "Thu, 22 Oct 2020 20:48:15 GMT", "version": "v1" }, { "created": "Fri, 8 Oct 2021 18:05:22 GMT", "version": "v2" } ]
2021-10-12
[ [ "Eddy", "Christopher Z.", "" ], [ "Raposo", "Helena", "" ], [ "Wong", "Ryan", "" ], [ "Sun", "Bo", "" ] ]
Cell shape is linked to cell function. The significance of cell morphodynamics, namely the temporal fluctuation of cell shape, is much less understood. Here we study the morphodynamics of MDA-MB-231 cells in type I collagen extracellular matrix (ECM). We systematically vary ECM physical properties by tuning collagen co...
0708.0181
Eduardo Candelario-Jalil
E Candelario-Jalil, A Gonzalez-Falcon, M Garcia-Cabrera, OS Leon, BL Fiebich
Post-ischaemic treatment with the cyclooxygenase-2 inhibitor nimesulide reduces blood-brain barrier disruption and leukocyte infiltration following transient focal cerebral ischaemia in rats
null
Journal of Neurochemistry 100(4): 1108-1120 (2007)
null
null
q-bio.NC q-bio.TO
null
Several studies suggest that cyclooxygenase (COX)-2 plays a pivotal role in the progression of ischaemic brain damage. In the present study, we investigated the effects of selective inhibition of COX-2 with nimesulide (12 mg/kg) and selective inhibition of COX-1 with valeryl salicylate (VAS, 12-120 mg/kg) on prostagl...
[ { "created": "Wed, 1 Aug 2007 15:47:39 GMT", "version": "v1" } ]
2007-08-02
[ [ "Candelario-Jalil", "E", "" ], [ "Gonzalez-Falcon", "A", "" ], [ "Garcia-Cabrera", "M", "" ], [ "Leon", "OS", "" ], [ "Fiebich", "BL", "" ] ]
Several studies suggest that cyclooxygenase (COX)-2 plays a pivotal role in the progression of ischaemic brain damage. In the present study, we investigated the effects of selective inhibition of COX-2 with nimesulide (12 mg/kg) and selective inhibition of COX-1 with valeryl salicylate (VAS, 12-120 mg/kg) on prostaglan...
q-bio/0412018
Wannapong Triampo
Waipot Ngamsaad, Wannapong Triampo, Paisan Kanthang, I-Ming Tang, Narin Nuttawut and Charin Modjung
A one-dimensional Lattice Boltzmann method for modeling the dynamic pole-to-pole oscillations of Min proteins for determining the position of the midcell division plane
13 pages, 2 figures
null
null
null
q-bio.QM q-bio.SC
null
Determining the middle of the bacteria cell and the proper placement of the septum is essential to the division of the bacterial cell. In E. coli, this process depends on the proteins MinC, MinD, and MinE. Here, the Lattice Boltzmann method (LBM) is used to study the dynamics of the oscillations of the min proteins f...
[ { "created": "Thu, 9 Dec 2004 21:38:41 GMT", "version": "v1" } ]
2007-05-23
[ [ "Ngamsaad", "Waipot", "" ], [ "Triampo", "Wannapong", "" ], [ "Kanthang", "Paisan", "" ], [ "Tang", "I-Ming", "" ], [ "Nuttawut", "Narin", "" ], [ "Modjung", "Charin", "" ] ]
Determining the middle of the bacteria cell and the proper placement of the septum is essential to the division of the bacterial cell. In E. coli, this process depends on the proteins MinC, MinD, and MinE. Here, the Lattice Boltzmann method (LBM) is used to study the dynamics of the oscillations of the min proteins fro...
2402.16652
John Helliwell R
John R. Helliwell, James R. Hester, Loes Kroon-Batenburg, Brian McMahon and Selina L. S. Storm
The Evolution of Raw Data Archiving and the Growth of Its Importance in Crystallography
34 pages, 2 figures, 2 tables
null
null
null
q-bio.OT
http://creativecommons.org/licenses/by/4.0/
The hardware for data archiving has expanded capacities for digital storage enormously in the past decade or more. This article charts the efforts of IUCr to facilitate discussions and plans relating to raw data archiving and reuse within the various communities of crystallography, diffraction, and scattering.
[ { "created": "Fri, 23 Feb 2024 15:03:53 GMT", "version": "v1" } ]
2024-02-27
[ [ "Helliwell", "John R.", "" ], [ "Hester", "James R.", "" ], [ "Kroon-Batenburg", "Loes", "" ], [ "McMahon", "Brian", "" ], [ "Storm", "Selina L. S.", "" ] ]
The hardware for data archiving has expanded capacities for digital storage enormously in the past decade or more. This article charts the efforts of IUCr to facilitate discussions and plans relating to raw data archiving and reuse within the various communities of crystallography, diffraction, and scattering.
2405.06110
Anastasiya Salova
Anastasiya Salova, Istv\'an A. Kov\'acs
Combined topological and spatial constraints are required to capture the structure of neural connectomes
24 pages, 20 figures
null
null
null
q-bio.NC physics.bio-ph
http://creativecommons.org/licenses/by/4.0/
Volumetric brain reconstructions provide an unprecedented opportunity to gain insights into the complex connectivity patterns of neurons in an increasing number of organisms. Here, we model and quantify the complexity of the resulting neural connectomes in the fruit fly, mouse, and human and unveil a simple set of sh...
[ { "created": "Thu, 9 May 2024 21:31:50 GMT", "version": "v1" } ]
2024-05-13
[ [ "Salova", "Anastasiya", "" ], [ "Kovács", "István A.", "" ] ]
Volumetric brain reconstructions provide an unprecedented opportunity to gain insights into the complex connectivity patterns of neurons in an increasing number of organisms. Here, we model and quantify the complexity of the resulting neural connectomes in the fruit fly, mouse, and human and unveil a simple set of shar...
1401.3262
Jianmin Sun
Jianmin Sun and Michael Grabe
Cooperativity Can Enhance Cellular Signal Detection
null
null
null
null
q-bio.MN physics.bio-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Most sensory cells use surface receptors to detect environmental stimuli and initiate downstream signaling. Cooperative interactions among sensory receptors is known to play a crucial role in enhancing the sensitivity of biochemical processes such as oxygen sensing by hemoglobin, but whether cooperativity enhances th...
[ { "created": "Tue, 14 Jan 2014 17:15:19 GMT", "version": "v1" } ]
2014-01-15
[ [ "Sun", "Jianmin", "" ], [ "Grabe", "Michael", "" ] ]
Most sensory cells use surface receptors to detect environmental stimuli and initiate downstream signaling. Cooperative interactions among sensory receptors is known to play a crucial role in enhancing the sensitivity of biochemical processes such as oxygen sensing by hemoglobin, but whether cooperativity enhances the ...
2108.02678
Kevin Esvelt
The Nucleic Acid Observatory Consortium
A Global Nucleic Acid Observatory for Biodefense and Planetary Health
null
null
null
null
q-bio.GN q-bio.PE q-bio.QM
http://creativecommons.org/licenses/by/4.0/
The spread of pandemic viruses and invasive species can be catastrophic for human societies and natural ecosystems. SARS-CoV-2 demonstrated that the speed of our response is critical, as each day of delay permitted exponential growth and dispersion of the virus. Here we propose a global Nucleic Acid Observatory (NAO)...
[ { "created": "Thu, 5 Aug 2021 15:19:05 GMT", "version": "v1" } ]
2021-08-06
[ [ "Consortium", "The Nucleic Acid Observatory", "" ] ]
The spread of pandemic viruses and invasive species can be catastrophic for human societies and natural ecosystems. SARS-CoV-2 demonstrated that the speed of our response is critical, as each day of delay permitted exponential growth and dispersion of the virus. Here we propose a global Nucleic Acid Observatory (NAO) t...
q-bio/0607018
Branko Dragovich
Branko Dragovich and Alexandra Dragovich
A p-Adic Model of DNA Sequence and Genetic Code
13 pages, 2 tables
p-Adic Numbers, Ultrametric Analysis and Applications 1 (2009) 34-41
10.1134/S2070046609010038
null
q-bio.GN cs.IT math-ph math.IT math.MP physics.bio-ph
null
Using basic properties of p-adic numbers, we consider a simple new approach to describe main aspects of DNA sequence and genetic code. Central role in our investigation plays an ultrametric p-adic information space which basic elements are nucleotides, codons and genes. We show that a 5-adic model is appropriate for ...
[ { "created": "Thu, 13 Jul 2006 16:41:35 GMT", "version": "v1" } ]
2010-12-01
[ [ "Dragovich", "Branko", "" ], [ "Dragovich", "Alexandra", "" ] ]
Using basic properties of p-adic numbers, we consider a simple new approach to describe main aspects of DNA sequence and genetic code. Central role in our investigation plays an ultrametric p-adic information space which basic elements are nucleotides, codons and genes. We show that a 5-adic model is appropriate for DN...
q-bio/0702046
Erel Levine
Erel Levine, Peter McHale and Herbert Levine
microRNAs may sharpen spatial expression patterns
null
null
10.1371/journal.pcbi.0030233
null
q-bio.MN
null
The precise layout of gene expression patterns is a crucial step in development. Formation of a sharp boundary between high and low expression domains requires a genetic mechanism which is both sensitive and robust to fluctuations, a demand that may not be easily achieved by morphogens alone. Recently it has been dem...
[ { "created": "Thu, 22 Feb 2007 19:31:09 GMT", "version": "v1" }, { "created": "Fri, 8 Jun 2007 00:07:29 GMT", "version": "v2" } ]
2015-06-26
[ [ "Levine", "Erel", "" ], [ "McHale", "Peter", "" ], [ "Levine", "Herbert", "" ] ]
The precise layout of gene expression patterns is a crucial step in development. Formation of a sharp boundary between high and low expression domains requires a genetic mechanism which is both sensitive and robust to fluctuations, a demand that may not be easily achieved by morphogens alone. Recently it has been demon...
1707.00320
Daniele De Martino
Daniele De Martino
A Van-Der-Waals picture for metabolic networks from MaxEnt modeling: inherent bistability and elusive coexistence
9 pages, 4 figures
Phys. Rev. E 96, 060401 (2017)
10.1103/PhysRevE.96.060401
null
q-bio.MN cond-mat.stat-mech physics.bio-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
In this work maximum entropy distributions in the space of steady states of metabolic networks are defined upon constraining the first and second moment of the growth rate. Inherent bistability of fast and slow phenotypes, akin to a Van-Der Waals picture, emerges upon considering control on the average growth (optimi...
[ { "created": "Sun, 2 Jul 2017 16:51:36 GMT", "version": "v1" } ]
2017-12-27
[ [ "De Martino", "Daniele", "" ] ]
In this work maximum entropy distributions in the space of steady states of metabolic networks are defined upon constraining the first and second moment of the growth rate. Inherent bistability of fast and slow phenotypes, akin to a Van-Der Waals picture, emerges upon considering control on the average growth (optimiza...
1510.08045
Richard Betzel
Richard F. Betzel, Bratislav Mi\v{s}i\'c, Ye He, Jeffrey Rumschlag, Xi-Nian Zuo, Olaf Sporns
Functional brain modules reconfigure at multiple scales across the human lifespan
56 pages, 7 figures, 6 supplemental figures
null
null
null
q-bio.NC
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The human brain is a complex network of interconnected brain regions organized into functional modules with distinct roles in cognition and behavior. An important question concerns the persistence and stability of these modules over the human lifespan. Here we use graph-theoretic analysis to algorithmically uncover t...
[ { "created": "Tue, 27 Oct 2015 19:53:24 GMT", "version": "v1" } ]
2015-10-28
[ [ "Betzel", "Richard F.", "" ], [ "Mišić", "Bratislav", "" ], [ "He", "Ye", "" ], [ "Rumschlag", "Jeffrey", "" ], [ "Zuo", "Xi-Nian", "" ], [ "Sporns", "Olaf", "" ] ]
The human brain is a complex network of interconnected brain regions organized into functional modules with distinct roles in cognition and behavior. An important question concerns the persistence and stability of these modules over the human lifespan. Here we use graph-theoretic analysis to algorithmically uncover the...
1403.7660
Ion Udroiu
Ion Udroiu
Estimation of erythrocyte surface area in mammals
null
Methods Protoc. 2024, 7(1), 11
10.3390/mps7010011
null
q-bio.QM q-bio.TO
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Measures of erythrocytes volume and surface are helpful in several physiological studies, both for zoologists and veterinarians. Whilst diameter and volume are assessed with ease from observations of blood smears and complete blood count, respectively, thickness and surface area, instead, are much more difficult to b...
[ { "created": "Sat, 29 Mar 2014 18:40:43 GMT", "version": "v1" } ]
2024-06-10
[ [ "Udroiu", "Ion", "" ] ]
Measures of erythrocytes volume and surface are helpful in several physiological studies, both for zoologists and veterinarians. Whilst diameter and volume are assessed with ease from observations of blood smears and complete blood count, respectively, thickness and surface area, instead, are much more difficult to be ...
2104.12249
Hong-Gyu Yoon
Hong-Gyu Yoon and Pilwon Kim
A STDP-based Encoding Algorithm for Associative and Composite Data
12 pages of main text. Source for simplified MATLAB programs performing two numerical tests presented in this article can be found in the following link: https://github.com/hkyoon94/NRSTDP.git
null
null
null
q-bio.NC cs.NE math.DS nlin.AO
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Spike-timing-dependent plasticity(STDP) is a biological process of synaptic modification caused by the difference of firing order and timing between neurons. One of the neurodynamical roles of STDP is to form a macroscopic geometrical structure in the neuronal state space in response to a periodic input. This work pr...
[ { "created": "Sun, 25 Apr 2021 20:26:52 GMT", "version": "v1" }, { "created": "Fri, 16 Jul 2021 00:56:36 GMT", "version": "v2" }, { "created": "Mon, 9 Aug 2021 01:52:05 GMT", "version": "v3" } ]
2021-08-10
[ [ "Yoon", "Hong-Gyu", "" ], [ "Kim", "Pilwon", "" ] ]
Spike-timing-dependent plasticity(STDP) is a biological process of synaptic modification caused by the difference of firing order and timing between neurons. One of the neurodynamical roles of STDP is to form a macroscopic geometrical structure in the neuronal state space in response to a periodic input. This work prop...
2302.00146
Xiaowei Yu
Xiaowei Yu, Lu Zhang, Haixing Dai, Lin Zhao, Yanjun Lyu, Zihao Wu, Tianming Liu, Dajiang Zhu
Gyri vs. Sulci: Disentangling Brain Core-Periphery Functional Networks via Twin-Transformer
13 pages, 4 figures
null
null
null
q-bio.NC
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The human cerebral cortex is highly convoluted into convex gyri and concave sulci. It has been demonstrated that gyri and sulci are significantly different in their anatomy, connectivity, and function, besides exhibiting opposite shape patterns, long-distance axonal fibers connected to gyri are much denser than those...
[ { "created": "Tue, 31 Jan 2023 23:45:40 GMT", "version": "v1" } ]
2023-02-02
[ [ "Yu", "Xiaowei", "" ], [ "Zhang", "Lu", "" ], [ "Dai", "Haixing", "" ], [ "Zhao", "Lin", "" ], [ "Lyu", "Yanjun", "" ], [ "Wu", "Zihao", "" ], [ "Liu", "Tianming", "" ], [ "Zhu", "Dajiang", ...
The human cerebral cortex is highly convoluted into convex gyri and concave sulci. It has been demonstrated that gyri and sulci are significantly different in their anatomy, connectivity, and function, besides exhibiting opposite shape patterns, long-distance axonal fibers connected to gyri are much denser than those c...
0705.1974
Franco Bagnoli
Franco Bagnoli, Pietro Lio, Luca Sguanci
Risk perception in epidemic modeling
6 pages, 6 figures, completely new version
Phys. Rev. E 76, 061904 (2007)
10.1103/PhysRevE.76.061904
null
q-bio.PE q-bio.OT
null
We investigate the effects of risk perception in a simple model of epidemic spreading. We assume that the perception of the risk of being infected depends on the fraction of neighbors that are ill. The effect of this factor is to decrease the infectivity, that therefore becomes a dynamical component of the model. We ...
[ { "created": "Mon, 14 May 2007 16:16:34 GMT", "version": "v1" }, { "created": "Fri, 18 May 2007 12:54:36 GMT", "version": "v2" }, { "created": "Thu, 23 Aug 2007 15:56:01 GMT", "version": "v3" } ]
2007-12-06
[ [ "Bagnoli", "Franco", "" ], [ "Lio", "Pietro", "" ], [ "Sguanci", "Luca", "" ] ]
We investigate the effects of risk perception in a simple model of epidemic spreading. We assume that the perception of the risk of being infected depends on the fraction of neighbors that are ill. The effect of this factor is to decrease the infectivity, that therefore becomes a dynamical component of the model. We st...
2203.01175
Herbert Sauro Dr
Ciaran Welsh, Jin Xu, Lucian Smith, Matthias K\"onig, Kiri Choi, Herbert M. Sauro
libRoadRunner 2.0: A High-Performance SBML Simulation and Analysis Library
null
null
null
null
q-bio.QM cs.CE q-bio.MN q-bio.SC
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Motivation: This paper presents libRoadRunner 2.0, an extensible, high-performance, cross-platform, open-source software library for the simulation and analysis of models expressed using Systems Biology Markup Language SBML). Results: libRoadRunner is a self-contained library, able to run both as a component inside...
[ { "created": "Sat, 26 Feb 2022 00:59:08 GMT", "version": "v1" } ]
2022-03-03
[ [ "Welsh", "Ciaran", "" ], [ "Xu", "Jin", "" ], [ "Smith", "Lucian", "" ], [ "König", "Matthias", "" ], [ "Choi", "Kiri", "" ], [ "Sauro", "Herbert M.", "" ] ]
Motivation: This paper presents libRoadRunner 2.0, an extensible, high-performance, cross-platform, open-source software library for the simulation and analysis of models expressed using Systems Biology Markup Language SBML). Results: libRoadRunner is a self-contained library, able to run both as a component inside oth...
1103.5685
Jakub Otwinowski
Jakub Otwinowski, Stefan Boettcher
Accumulation of beneficial mutations in one dimension
null
Physical Review E, 84(1), 011925, 2011
10.1103/PhysRevE.84.011925
null
q-bio.PE cond-mat.dis-nn
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
When beneficial mutations are relatively common, competition between multiple unfixed mutations can reduce the rate of fixation in well-mixed asexual populations. We introduce a one dimensional model with a steady accumulation of beneficial mutations. We find a transition between periodic selection and multiple-mutat...
[ { "created": "Tue, 29 Mar 2011 15:38:36 GMT", "version": "v1" }, { "created": "Fri, 15 Feb 2013 21:06:20 GMT", "version": "v2" } ]
2013-02-19
[ [ "Otwinowski", "Jakub", "" ], [ "Boettcher", "Stefan", "" ] ]
When beneficial mutations are relatively common, competition between multiple unfixed mutations can reduce the rate of fixation in well-mixed asexual populations. We introduce a one dimensional model with a steady accumulation of beneficial mutations. We find a transition between periodic selection and multiple-mutatio...
1202.0012
Miguel Navascues
Miguel Navascu\'es, Solenn Stoeckel, Stephanie Mariette
Genetic diversity and fitness in small populations of partially asexual, self-incompatible plants
null
Heredity 104, 5 (2010) 482-92
10.1038/hdy.2009.159
null
q-bio.PE
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
How self-incompatibility systems are maintained in plant populations is still a debated issue. Theoretical models predict that self-incompatibility systems break down according to the intensity of inbreeding depression and number of S-alleles. Other studies have explored the function of asexual reproduction in the ma...
[ { "created": "Tue, 31 Jan 2012 21:00:56 GMT", "version": "v1" } ]
2012-02-02
[ [ "Navascués", "Miguel", "" ], [ "Stoeckel", "Solenn", "" ], [ "Mariette", "Stephanie", "" ] ]
How self-incompatibility systems are maintained in plant populations is still a debated issue. Theoretical models predict that self-incompatibility systems break down according to the intensity of inbreeding depression and number of S-alleles. Other studies have explored the function of asexual reproduction in the main...
1912.02474
Sergei Shedko
S.V. Shedko
Assembly ASM291031v2 (Genbank: GCA_002910315.2) identified as assembly of the Northern Dolly Varden (Salvelinus malma malma) genome, and not the Arctic char (S. alpinus) genome
15 pages, in Russian; typos corrected
null
null
null
q-bio.GN q-bio.PE
http://creativecommons.org/licenses/by/4.0/
To date, twelve complete genomes representing eleven species belonging to six genera have been sequenced in salmonids. For the genus Salvelinus, it was supposed to sequence the genome of Arctic char, one of the most variable species of vertebrate animals. Sequencing was carried out (Christensen et al., 2018) using th...
[ { "created": "Thu, 5 Dec 2019 10:13:07 GMT", "version": "v1" }, { "created": "Mon, 23 Dec 2019 11:23:02 GMT", "version": "v2" } ]
2019-12-24
[ [ "Shedko", "S. V.", "" ] ]
To date, twelve complete genomes representing eleven species belonging to six genera have been sequenced in salmonids. For the genus Salvelinus, it was supposed to sequence the genome of Arctic char, one of the most variable species of vertebrate animals. Sequencing was carried out (Christensen et al., 2018) using the ...
1703.09780
Thierry Mora
Andreas Mayer, Thierry Mora, Olivier Rivoire, Aleksandra M. Walczak
Transitions in optimal adaptive strategies for populations in fluctuating environments
null
Phys. Rev. E 96, 032412 (2017)
10.1103/PhysRevE.96.032412
null
q-bio.PE
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Biological populations are subject to fluctuating environmental conditions. Different adaptive strategies can allow them to cope with these fluctuations: specialization to one particular environmental condition, adoption of a generalist phenotype that compromise between conditions, or population-wise diversification ...
[ { "created": "Tue, 28 Mar 2017 20:14:54 GMT", "version": "v1" } ]
2017-09-27
[ [ "Mayer", "Andreas", "" ], [ "Mora", "Thierry", "" ], [ "Rivoire", "Olivier", "" ], [ "Walczak", "Aleksandra M.", "" ] ]
Biological populations are subject to fluctuating environmental conditions. Different adaptive strategies can allow them to cope with these fluctuations: specialization to one particular environmental condition, adoption of a generalist phenotype that compromise between conditions, or population-wise diversification (b...
1802.07875
Robert Griffiths Professor
Conrad J. Burden and Robert C. Griffiths
The stationary distribution of a sample from the Wright-Fisher diffusion model with general small mutation rates
14 pages, 0 figures
null
null
null
q-bio.PE
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The stationary distribution of a sample taken from a Wright-Fisher diffusion with general small mutation rates is found using a coalescent approach. The approximation is equivalent to having at most one mutation in the coalescent tree to the first order in the rates. The sample probabilities characterize an approxima...
[ { "created": "Thu, 22 Feb 2018 02:26:57 GMT", "version": "v1" }, { "created": "Thu, 1 Mar 2018 10:25:08 GMT", "version": "v2" }, { "created": "Fri, 1 Jun 2018 07:09:20 GMT", "version": "v3" }, { "created": "Tue, 25 Sep 2018 23:27:55 GMT", "version": "v4" }, { "cre...
2018-10-31
[ [ "Burden", "Conrad J.", "" ], [ "Griffiths", "Robert C.", "" ] ]
The stationary distribution of a sample taken from a Wright-Fisher diffusion with general small mutation rates is found using a coalescent approach. The approximation is equivalent to having at most one mutation in the coalescent tree to the first order in the rates. The sample probabilities characterize an approximati...
2208.13283
Samuel Neuenschwander
Samuel Neuenschwander (1 and 2), Diana I. Cruz D\'avalos (1 and 3), Lucas Anchieri (1 and 3), B\'arbara Sousa da Mota (1 and 3), Davide Bozzi (1 and 3), Simone Rubinacci (1 and 3), Olivier Delaneau (1 and 3), Simon Rasmussen (4), and Anna-Sapfo Malaspinas (1 and 3) ((1) Department of Computational Biology, Univ...
Mapache: a flexible pipeline to map ancient DNA
Availability: Mapache is freely available on GitHub (https://github.com/sneuensc/mapache). Supplementary information: An extensive manual is provided at https://github.com/sneuensc/mapache/wiki
null
10.1093/bioinformatics/btad028
null
q-bio.GN
http://creativecommons.org/licenses/by-nc-nd/4.0/
Summary: Mapping ancient DNA to a reference genome is challenging as it involves numerous steps, is time-consuming and has to be repeated within a study to assess the quality of extracts and libraries; as a result, the mapping needs to be automatized to handle large amounts of data in a reproducible way. We present m...
[ { "created": "Sun, 28 Aug 2022 20:24:44 GMT", "version": "v1" } ]
2023-03-09
[ [ "Neuenschwander", "Samuel", "", "1 and 2" ], [ "Dávalos", "Diana I. Cruz", "", "1 and 3" ], [ "Anchieri", "Lucas", "", "1 and 3" ], [ "da Mota", "Bárbara Sousa", "", "1 and 3" ], [ "Bozzi", "Davide", "", "1\n and 3" ...
Summary: Mapping ancient DNA to a reference genome is challenging as it involves numerous steps, is time-consuming and has to be repeated within a study to assess the quality of extracts and libraries; as a result, the mapping needs to be automatized to handle large amounts of data in a reproducible way. We present map...
1410.8499
Brian Williams Dr
Brian G. Williams and Christopher Dye
Dynamics and Control of Infections on Social Networks
9 pages
null
null
null
q-bio.QM q-bio.PE stat.AP
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Random mixing in host populations has been a convenient simplifying assumption in the study of epidemics, but neglects important differences in contact rates within and between population groups. For HIV/AIDS, the assumption of random mixing is inappropriate for epidemics that are concentrated in groups of people at ...
[ { "created": "Tue, 21 Oct 2014 12:14:29 GMT", "version": "v1" }, { "created": "Tue, 23 Feb 2016 13:47:34 GMT", "version": "v2" } ]
2016-02-24
[ [ "Williams", "Brian G.", "" ], [ "Dye", "Christopher", "" ] ]
Random mixing in host populations has been a convenient simplifying assumption in the study of epidemics, but neglects important differences in contact rates within and between population groups. For HIV/AIDS, the assumption of random mixing is inappropriate for epidemics that are concentrated in groups of people at hi...
1211.7022
Preetish K L
Milind M. Rao and K.L. Preetish
Stability and Hopf Bifurcation Analysis of the Delay Logistic Equation
12 pages
null
null
null
q-bio.PE math.CA nlin.CD
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Logistic functions are good models of biological population growth. They are also popular in marketing in modelling demand-supply curves and in a different context, to chart the sales of new products over time. Delays being inherent in any biological system, we seek to analyse the effect of delays on the growth of po...
[ { "created": "Thu, 29 Nov 2012 19:03:18 GMT", "version": "v1" } ]
2012-11-30
[ [ "Rao", "Milind M.", "" ], [ "Preetish", "K. L.", "" ] ]
Logistic functions are good models of biological population growth. They are also popular in marketing in modelling demand-supply curves and in a different context, to chart the sales of new products over time. Delays being inherent in any biological system, we seek to analyse the effect of delays on the growth of popu...
2011.10494
Neil Sheeley Jr.
Neil R. Sheeley Jr
A Mathematical Model For the Spread of a Virus
86 pages, 44 figures
null
null
null
q-bio.PE
http://creativecommons.org/licenses/by/4.0/
This paper describes a mathematical model for the spread of a virus through an isolated population of a given size. The model uses three, color-coded components, called molecules (red for infected and still contagious; green for infected, but no longer contagious; and blue for uninfected). In retrospect, the model tu...
[ { "created": "Fri, 20 Nov 2020 16:39:49 GMT", "version": "v1" }, { "created": "Fri, 28 May 2021 21:10:31 GMT", "version": "v2" } ]
2021-06-01
[ [ "Sheeley", "Neil R.", "Jr" ] ]
This paper describes a mathematical model for the spread of a virus through an isolated population of a given size. The model uses three, color-coded components, called molecules (red for infected and still contagious; green for infected, but no longer contagious; and blue for uninfected). In retrospect, the model turn...
2101.10215
Yakup Kutlu
Enver Kaan Alpturk, Yakup Kutlu
Analysis of Relation between Motor Activity and Imaginary EEG Records
6 pages, 4 figures, Journal of Artificial Intellicence with Application
Journal of Artificial Intellicence with Application, 2020
null
null
q-bio.NC cs.AI
http://creativecommons.org/licenses/by/4.0/
Electroencephalography (EEG) signals signals are often used to learn about brain structure and to learn what thinking. EEG signals can be easily affected by external factors. For this reason, they should be applied various pre-process during their analysis. In this study, it is used the EEG signals received from 109 ...
[ { "created": "Thu, 21 Jan 2021 05:02:05 GMT", "version": "v1" } ]
2021-01-26
[ [ "Alpturk", "Enver Kaan", "" ], [ "Kutlu", "Yakup", "" ] ]
Electroencephalography (EEG) signals signals are often used to learn about brain structure and to learn what thinking. EEG signals can be easily affected by external factors. For this reason, they should be applied various pre-process during their analysis. In this study, it is used the EEG signals received from 109 su...
2402.06992
Raja Marjieh
Raja Marjieh, Pol van Rijn, Ilia Sucholutsky, Harin Lee, Thomas L. Griffiths, Nori Jacoby
A Rational Analysis of the Speech-to-Song Illusion
7 pages, 5 figures
null
null
null
q-bio.NC cs.AI cs.CL stat.AP
http://creativecommons.org/licenses/by/4.0/
The speech-to-song illusion is a robust psychological phenomenon whereby a spoken sentence sounds increasingly more musical as it is repeated. Despite decades of research, a complete formal account of this transformation is still lacking, and some of its nuanced characteristics, namely, that certain phrases appear to...
[ { "created": "Sat, 10 Feb 2024 16:54:28 GMT", "version": "v1" } ]
2024-02-13
[ [ "Marjieh", "Raja", "" ], [ "van Rijn", "Pol", "" ], [ "Sucholutsky", "Ilia", "" ], [ "Lee", "Harin", "" ], [ "Griffiths", "Thomas L.", "" ], [ "Jacoby", "Nori", "" ] ]
The speech-to-song illusion is a robust psychological phenomenon whereby a spoken sentence sounds increasingly more musical as it is repeated. Despite decades of research, a complete formal account of this transformation is still lacking, and some of its nuanced characteristics, namely, that certain phrases appear to t...
2009.01894
Nitin Kamra
Nitin Kamra, Yizhou Zhang, Sirisha Rambhatla, Chuizheng Meng, Yan Liu
PolSIRD: Modeling Epidemic Spread under Intervention Policies
Modeling the spread of the first wave of Covid-19 in the United States
Journal of Healthcare Informatics Research (2021)
10.1007/s41666-021-00099-3
null
q-bio.PE physics.soc-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Epidemic spread in a population is traditionally modeled via compartmentalized models which represent the free evolution of disease in absence of any intervention policies. In addition, these models assume full observability of disease cases and do not account for under-reporting. We present a mathematical model, nam...
[ { "created": "Thu, 3 Sep 2020 19:26:02 GMT", "version": "v1" }, { "created": "Wed, 12 May 2021 08:13:43 GMT", "version": "v2" } ]
2021-06-16
[ [ "Kamra", "Nitin", "" ], [ "Zhang", "Yizhou", "" ], [ "Rambhatla", "Sirisha", "" ], [ "Meng", "Chuizheng", "" ], [ "Liu", "Yan", "" ] ]
Epidemic spread in a population is traditionally modeled via compartmentalized models which represent the free evolution of disease in absence of any intervention policies. In addition, these models assume full observability of disease cases and do not account for under-reporting. We present a mathematical model, namel...
2402.12188
David Clark
David G. Clark, Manuel Beiran
Structure of activity in multiregion recurrent neural networks
18 pages, 10 figures; updated author info
null
null
null
q-bio.NC cond-mat.dis-nn cs.NE
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Neural circuits are composed of multiple regions, each with rich dynamics and engaging in communication with other regions. The combination of local, within-region dynamics and global, network-level dynamics is thought to provide computational flexibility. However, the nature of such multiregion dynamics and the unde...
[ { "created": "Mon, 19 Feb 2024 14:51:55 GMT", "version": "v1" }, { "created": "Tue, 20 Feb 2024 17:32:32 GMT", "version": "v2" } ]
2024-02-21
[ [ "Clark", "David G.", "" ], [ "Beiran", "Manuel", "" ] ]
Neural circuits are composed of multiple regions, each with rich dynamics and engaging in communication with other regions. The combination of local, within-region dynamics and global, network-level dynamics is thought to provide computational flexibility. However, the nature of such multiregion dynamics and the underl...
1601.04110
I-Lin Ho
I Lin Ho, Arash Moshkforoush, Kwangseok Hong, Gerald A. Meininger, Michael A. Hill, Nikolaos M. Tsoukias, Watson Kuo
Inherent rhythm of smooth muscle cells in rat mesenteric arterioles: an eigensystem formulation
56 pages, 18 figures
Phys. Rev. E 93, 042415 (2016)
10.1103/PhysRevE.93.042415
null
q-bio.CB physics.bio-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
On the basis of experimental data and mathematical equations in the literature, we remodel the ionic dynamics of smooth muscle cells (SMCs) as an eigensystem formulation, which is valid for investigating finite variations of variables from the equilibrium like in common experimental operations. This algorithm provide...
[ { "created": "Sat, 16 Jan 2016 01:36:53 GMT", "version": "v1" }, { "created": "Sat, 19 Mar 2016 20:24:08 GMT", "version": "v2" } ]
2021-06-08
[ [ "Ho", "I Lin", "" ], [ "Moshkforoush", "Arash", "" ], [ "Hong", "Kwangseok", "" ], [ "Meininger", "Gerald A.", "" ], [ "Hill", "Michael A.", "" ], [ "Tsoukias", "Nikolaos M.", "" ], [ "Kuo", "Watson", "" ...
On the basis of experimental data and mathematical equations in the literature, we remodel the ionic dynamics of smooth muscle cells (SMCs) as an eigensystem formulation, which is valid for investigating finite variations of variables from the equilibrium like in common experimental operations. This algorithm provides ...
1801.03953
Mike Steel Prof.
Mike Steel and Wim Hordijk
Tractable models of self-sustaining autocatalytic networks
19 pages, 7 figures
null
null
null
q-bio.MN
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Self-sustaining autocatalytic networks play a central role in living systems, from metabolism at the origin of life, simple RNA networks, and the modern cell, to ecology and cognition. A collectively autocatalytic network that can be sustained from an ambient food set is also referred to more formally as a `Reflexive...
[ { "created": "Thu, 11 Jan 2018 19:02:09 GMT", "version": "v1" }, { "created": "Tue, 27 Mar 2018 22:55:52 GMT", "version": "v2" } ]
2018-03-29
[ [ "Steel", "Mike", "" ], [ "Hordijk", "Wim", "" ] ]
Self-sustaining autocatalytic networks play a central role in living systems, from metabolism at the origin of life, simple RNA networks, and the modern cell, to ecology and cognition. A collectively autocatalytic network that can be sustained from an ambient food set is also referred to more formally as a `Reflexively...
0902.4640
Gabriel Cardona
Gabriel Cardona, Merce Llabres, Francesc Rossello, Gabriel Valiente
The comparison of tree-sibling time consistent phylogenetic networks is graph isomorphism-complete
10 pages, 3 figures
null
null
null
q-bio.PE cs.DM
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
In a previous work, we gave a metric on the class of semibinary tree-sibling time consistent phylogenetic networks that is computable in polynomial time; in particular, the problem of deciding if two networks of this kind are isomorphic is in P. In this paper, we show that if we remove the semibinarity condition abov...
[ { "created": "Thu, 26 Feb 2009 17:30:07 GMT", "version": "v1" } ]
2009-02-27
[ [ "Cardona", "Gabriel", "" ], [ "Llabres", "Merce", "" ], [ "Rossello", "Francesc", "" ], [ "Valiente", "Gabriel", "" ] ]
In a previous work, we gave a metric on the class of semibinary tree-sibling time consistent phylogenetic networks that is computable in polynomial time; in particular, the problem of deciding if two networks of this kind are isomorphic is in P. In this paper, we show that if we remove the semibinarity condition above,...
1908.05214
Michael Holst
L.M. Stolerman, M. Getz, S.G. Llewellyn Smith, M. Holst, P. Rangamani
Stability Analysis of a Bulk-Surface Reaction Model for Membrane-Protein Clustering
30 pages, 13 figures
null
null
null
q-bio.SC math.AP
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Protein aggregation on the plasma membrane (PM) is of critical importance to many cellular processes such as cell adhesion, endocytosis, fibrillar conformation, and vesicle transport. Lateral diffusion of protein aggregates or clusters on the surface of the PM plays an important role in governing their heterogeneous ...
[ { "created": "Wed, 14 Aug 2019 16:41:41 GMT", "version": "v1" } ]
2019-08-15
[ [ "Stolerman", "L. M.", "" ], [ "Getz", "M.", "" ], [ "Smith", "S. G. Llewellyn", "" ], [ "Holst", "M.", "" ], [ "Rangamani", "P.", "" ] ]
Protein aggregation on the plasma membrane (PM) is of critical importance to many cellular processes such as cell adhesion, endocytosis, fibrillar conformation, and vesicle transport. Lateral diffusion of protein aggregates or clusters on the surface of the PM plays an important role in governing their heterogeneous su...
q-bio/0401037
Alan McKane
Christopher Quince, Paul Higgs and Alan McKane
Deleting species from model food webs
30 pages, 9 figures
null
null
null
q-bio.PE cond-mat.stat-mech
null
We use food webs generated by a model to investigate the effects of deleting species on other species in the web and on the web as a whole. The model incorporates a realistic population dynamics, adaptive foragers and other features which allow for the construction of model webs which resemble empirical food webs. A ...
[ { "created": "Tue, 27 Jan 2004 12:22:21 GMT", "version": "v1" } ]
2007-05-23
[ [ "Quince", "Christopher", "" ], [ "Higgs", "Paul", "" ], [ "McKane", "Alan", "" ] ]
We use food webs generated by a model to investigate the effects of deleting species on other species in the web and on the web as a whole. The model incorporates a realistic population dynamics, adaptive foragers and other features which allow for the construction of model webs which resemble empirical food webs. A la...
1405.0044
Benjamin Dunn
Benjamin Dunn, Maria M{\o}rreaunet, Yasser Roudi
Correlations and functional connections in a population of grid cells
Accepted for publication in PLoS Computational Biology
null
10.1371/journal.pcbi.1004052
null
q-bio.NC q-bio.QM
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We study the statistics of spike trains of simultaneously recorded grid cells in freely behaving rats. We evaluate pairwise correlations between these cells and, using a generalized linear model (kinetic Ising model), study their functional connectivity. Even when we account for the covariations in firing rates due t...
[ { "created": "Wed, 30 Apr 2014 22:05:47 GMT", "version": "v1" }, { "created": "Wed, 8 Oct 2014 11:27:25 GMT", "version": "v2" } ]
2015-06-19
[ [ "Dunn", "Benjamin", "" ], [ "Mørreaunet", "Maria", "" ], [ "Roudi", "Yasser", "" ] ]
We study the statistics of spike trains of simultaneously recorded grid cells in freely behaving rats. We evaluate pairwise correlations between these cells and, using a generalized linear model (kinetic Ising model), study their functional connectivity. Even when we account for the covariations in firing rates due to ...
1611.03191
Hon-Cheong So
Hon-Cheong So, Carlos Kwan-Long Chau, Fu-Kiu Ao, Cheuk-Hei Mo, Pak-Chung Sham
Exploring shared genetic bases and causal relationships of schizophrenia and bipolar disorder with 28 cardiovascular and metabolic traits
null
null
null
null
q-bio.GN
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Cardiovascular diseases (CVD) represent a major health issue in patients with schizophrneia (SCZ) and bipolar disorder (BD), but the exact nature of cardiometabolic (CM) abnormalities involved and the underlying mechanisms remain unclear. Using polygenic risk scores (PRS) and LD score regression, we investigated the ...
[ { "created": "Thu, 10 Nov 2016 05:47:23 GMT", "version": "v1" }, { "created": "Sat, 7 Jan 2017 22:56:21 GMT", "version": "v2" }, { "created": "Wed, 14 Jun 2017 04:01:15 GMT", "version": "v3" }, { "created": "Fri, 24 Nov 2017 13:38:37 GMT", "version": "v4" }, { "cr...
2017-12-06
[ [ "So", "Hon-Cheong", "" ], [ "Chau", "Carlos Kwan-Long", "" ], [ "Ao", "Fu-Kiu", "" ], [ "Mo", "Cheuk-Hei", "" ], [ "Sham", "Pak-Chung", "" ] ]
Cardiovascular diseases (CVD) represent a major health issue in patients with schizophrneia (SCZ) and bipolar disorder (BD), but the exact nature of cardiometabolic (CM) abnormalities involved and the underlying mechanisms remain unclear. Using polygenic risk scores (PRS) and LD score regression, we investigated the sh...
1111.2992
Adnan Ali
Adnan Ali, Ell\'ak Somfai, Stefan Grosskinsky
Reproduction time statistics and segregation patterns in growing populations
null
Phys. Rev. E 85(2), 021923 (2012)
10.1103/PhysRevE.85.021923
null
q-bio.PE cond-mat.stat-mech
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Pattern formation in microbial colonies of competing strains under purely space-limited population growth has recently attracted considerable research interest. We show that the reproduction time statistics of individuals has a significant impact on the sectoring patterns. Generalizing the standard Eden growth model,...
[ { "created": "Sun, 13 Nov 2011 07:07:44 GMT", "version": "v1" }, { "created": "Sun, 15 Apr 2012 21:14:49 GMT", "version": "v2" } ]
2015-06-30
[ [ "Ali", "Adnan", "" ], [ "Somfai", "Ellák", "" ], [ "Grosskinsky", "Stefan", "" ] ]
Pattern formation in microbial colonies of competing strains under purely space-limited population growth has recently attracted considerable research interest. We show that the reproduction time statistics of individuals has a significant impact on the sectoring patterns. Generalizing the standard Eden growth model, w...
1212.2832
C. Titus Brown
Adina Chuang Howe, Janet Jansson, Stephanie A. Malfatti, Susannah G. Tringe, James M. Tiedje, C. Titus Brown
Assembling large, complex environmental metagenomes
Includes supporting information
null
null
null
q-bio.GN
http://creativecommons.org/licenses/publicdomain/
The large volumes of sequencing data required to sample complex environments deeply pose new challenges to sequence analysis approaches. De novo metagenomic assembly effectively reduces the total amount of data to be analyzed but requires significant computational resources. We apply two pre-assembly filtering approa...
[ { "created": "Wed, 12 Dec 2012 14:56:18 GMT", "version": "v1" }, { "created": "Fri, 28 Dec 2012 20:34:13 GMT", "version": "v2" } ]
2013-01-01
[ [ "Howe", "Adina Chuang", "" ], [ "Jansson", "Janet", "" ], [ "Malfatti", "Stephanie A.", "" ], [ "Tringe", "Susannah G.", "" ], [ "Tiedje", "James M.", "" ], [ "Brown", "C. Titus", "" ] ]
The large volumes of sequencing data required to sample complex environments deeply pose new challenges to sequence analysis approaches. De novo metagenomic assembly effectively reduces the total amount of data to be analyzed but requires significant computational resources. We apply two pre-assembly filtering approach...
2307.02502
Renato P. Dos Santos
Melanie Swan, Takashi Kido, Eric Roland, Renato P. dos Santos
Math Agents: Computational Infrastructure, Mathematical Embedding, and Genomics
null
null
null
null
q-bio.OT cs.AI cs.CL
http://creativecommons.org/licenses/by-sa/4.0/
The advancement in generative AI could be boosted with more accessible mathematics. Beyond human-AI chat, large language models (LLMs) are emerging in programming, algorithm discovery, and theorem proving, yet their genomics application is limited. This project introduces Math Agents and mathematical embedding as fre...
[ { "created": "Tue, 4 Jul 2023 20:16:32 GMT", "version": "v1" } ]
2023-07-07
[ [ "Swan", "Melanie", "" ], [ "Kido", "Takashi", "" ], [ "Roland", "Eric", "" ], [ "Santos", "Renato P. dos", "" ] ]
The advancement in generative AI could be boosted with more accessible mathematics. Beyond human-AI chat, large language models (LLMs) are emerging in programming, algorithm discovery, and theorem proving, yet their genomics application is limited. This project introduces Math Agents and mathematical embedding as fresh...
2105.08856
Rohan Williams
Elizabeth A. McDaniel, Sebastian Aljoscha Wahl, Shun'ichi Ishii, Ameet Pinto, Ryan Ziels, Per H. Nielsen, Katherine D. McMahon, Rohan B.H. Williams
Prospects for Multi-omics in the Microbial Ecology of Water Engineering
Review article
null
null
null
q-bio.GN
http://creativecommons.org/licenses/by/4.0/
Advances in high-throughput sequencing technologies and bioinformatics approaches over almost the last three decades have substantially increased our ability to explore microorganisms and their functions-including those that have yet to be cultivated in pure isolation. Genome-resolved metagenomic approaches have enab...
[ { "created": "Tue, 18 May 2021 23:49:31 GMT", "version": "v1" } ]
2021-05-20
[ [ "McDaniel", "Elizabeth A.", "" ], [ "Wahl", "Sebastian Aljoscha", "" ], [ "Ishii", "Shun'ichi", "" ], [ "Pinto", "Ameet", "" ], [ "Ziels", "Ryan", "" ], [ "Nielsen", "Per H.", "" ], [ "McMahon", "Katherine D.",...
Advances in high-throughput sequencing technologies and bioinformatics approaches over almost the last three decades have substantially increased our ability to explore microorganisms and their functions-including those that have yet to be cultivated in pure isolation. Genome-resolved metagenomic approaches have enable...
1202.6670
Yashar Ahmadian
Yashar Ahmadian, Daniel B. Rubin and Kenneth D. Miller
Analysis of the stabilized supralinear network
45 pages, 4 figures
Neural Computation 25, 1994-2037 (2013)
null
null
q-bio.NC
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We study a rate-model neural network composed of excitatory and inhibitory neurons in which neuronal input-output functions are power laws with a power greater than 1, as observed in primary visual cortex. This supralinear input-output function leads to supralinear summation of network responses to multiple inputs fo...
[ { "created": "Wed, 29 Feb 2012 20:14:17 GMT", "version": "v1" }, { "created": "Tue, 5 Jun 2012 23:13:47 GMT", "version": "v2" }, { "created": "Thu, 6 Dec 2012 22:23:31 GMT", "version": "v3" }, { "created": "Sun, 5 May 2013 19:02:44 GMT", "version": "v4" }, { "crea...
2015-03-20
[ [ "Ahmadian", "Yashar", "" ], [ "Rubin", "Daniel B.", "" ], [ "Miller", "Kenneth D.", "" ] ]
We study a rate-model neural network composed of excitatory and inhibitory neurons in which neuronal input-output functions are power laws with a power greater than 1, as observed in primary visual cortex. This supralinear input-output function leads to supralinear summation of network responses to multiple inputs for ...
2402.16271
Ming-Jia Fu
Ming-Jia Fu
Rebuildable biochronometer: inferences and hypothesis on eukaryotic timing system
29 pages, 9 figures
null
null
null
q-bio.BM q-bio.CB
http://creativecommons.org/licenses/by/4.0/
The biochronometers used to keep time in eukaryotes include short-period biochronometer (SPB) and long-period biochronometer (LPB). Because the circadian clock reflects the biological time rhythm of a day, it is considered as SPB. Telomere shortening, which reflects the decreasing of telomere DNA length of chromosome...
[ { "created": "Mon, 26 Feb 2024 03:15:13 GMT", "version": "v1" } ]
2024-02-27
[ [ "Fu", "Ming-Jia", "" ] ]
The biochronometers used to keep time in eukaryotes include short-period biochronometer (SPB) and long-period biochronometer (LPB). Because the circadian clock reflects the biological time rhythm of a day, it is considered as SPB. Telomere shortening, which reflects the decreasing of telomere DNA length of chromosomes ...
2004.09478
Luca Magri
Luca Magri, Nguyen Anh Khoa Doan
First-principles machine learning modelling of COVID-19
39 pages, 53 figures
null
null
null
q-bio.PE
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The coronavirus disease 2019 (COVID-19) has changed the world since the World Health Organization declared its outbreak on 30th January 2020, recognizing the outbreak as a pandemic on 11th March 2020. As often said by politicians and scientific advisors, the objective is "to flatten the curve", or "push the peak down...
[ { "created": "Mon, 20 Apr 2020 17:54:02 GMT", "version": "v1" } ]
2020-04-21
[ [ "Magri", "Luca", "" ], [ "Doan", "Nguyen Anh Khoa", "" ] ]
The coronavirus disease 2019 (COVID-19) has changed the world since the World Health Organization declared its outbreak on 30th January 2020, recognizing the outbreak as a pandemic on 11th March 2020. As often said by politicians and scientific advisors, the objective is "to flatten the curve", or "push the peak down",...
2006.02100
Ju Lynn Ong
J.L. Ong, T.Y. Lau, S.A.A. Massar, Z.T. Chong, B.K.L. Ng, D. Koek, W. Zhao, B.T.T. Yeo, K. Cheong and M.W.L. Chee
COVID-19 Related Mobility Reduction: Heterogenous Effects on Sleep and Physical Activity Rhythms
30 pages, 3 main figures, 3 tables, 4 supplementary figures
null
null
null
q-bio.QM
http://creativecommons.org/licenses/by-nc-sa/4.0/
Mobility restrictions imposed to suppress coronavirus transmission can alter physical activity (PA) and sleep patterns. Characterization of response heterogeneity and their underlying reasons may assist in tailoring customized interventions. We obtained wearable data covering baseline, incremental movement restrictio...
[ { "created": "Wed, 3 Jun 2020 08:31:50 GMT", "version": "v1" }, { "created": "Tue, 14 Jul 2020 04:50:32 GMT", "version": "v2" } ]
2020-07-15
[ [ "Ong", "J. L.", "" ], [ "Lau", "T. Y.", "" ], [ "Massar", "S. A. A.", "" ], [ "Chong", "Z. T.", "" ], [ "Ng", "B. K. L.", "" ], [ "Koek", "D.", "" ], [ "Zhao", "W.", "" ], [ "Yeo", "B. T. T.", ...
Mobility restrictions imposed to suppress coronavirus transmission can alter physical activity (PA) and sleep patterns. Characterization of response heterogeneity and their underlying reasons may assist in tailoring customized interventions. We obtained wearable data covering baseline, incremental movement restriction ...
2211.08085
Tatiana Levanova
Nikita Barabash, Tatiana Levanova and Sergey Stasenko
Rhythmogenesis in the mean field model of the neuron-glial network
9 pages, 3 figures
null
10.1140/epjs/s11734-023-00778-9
null
q-bio.NC
http://creativecommons.org/licenses/by/4.0/
Despite the fact that the phenomenon of bursting activity is important for functioning of living neural networks, the mechanisms of its origin are still not clear. In this paper, we propose a new phenomenological model that can explain the mechanisms of the formation of bursting activity based on short-term synaptic ...
[ { "created": "Tue, 15 Nov 2022 12:11:43 GMT", "version": "v1" } ]
2023-03-01
[ [ "Barabash", "Nikita", "" ], [ "Levanova", "Tatiana", "" ], [ "Stasenko", "Sergey", "" ] ]
Despite the fact that the phenomenon of bursting activity is important for functioning of living neural networks, the mechanisms of its origin are still not clear. In this paper, we propose a new phenomenological model that can explain the mechanisms of the formation of bursting activity based on short-term synaptic pl...
1003.2922
Jens Christian Claussen
Markus Sch\"utt and Jens Christian Claussen
Stabilization of biodiversity in the coevolutionary rock-paper-scissors game on complex networks
null
null
null
null
q-bio.PE physics.soc-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The dynamical mechanisms that can stabilize the coexistence of species (or strategies) are of substantial interest for the maintenance of biodiversity and in sociobehavioural dynamics. We investigate the mean extinction time in the coevolutionary dynamics of three cyclically invading strategies for different evolutio...
[ { "created": "Mon, 15 Mar 2010 13:53:56 GMT", "version": "v1" } ]
2010-03-16
[ [ "Schütt", "Markus", "" ], [ "Claussen", "Jens Christian", "" ] ]
The dynamical mechanisms that can stabilize the coexistence of species (or strategies) are of substantial interest for the maintenance of biodiversity and in sociobehavioural dynamics. We investigate the mean extinction time in the coevolutionary dynamics of three cyclically invading strategies for different evolutiona...
1908.02055
Ina Humpert
Ina Humpert, Danila Di Meo, Andreas W. P\"uschel, Jan-Frederik Pietschmann
On the Role of Vesicle Transport in Neurite Growth: Modelling and Experiments
null
null
null
null
q-bio.SC
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The processes that determine the establishment of the complex morphology of neurons during development are still poorly understood. We present experiments that use live imaging to examine the role of vesicle transport and propose a lattice-based model that shows symmetry breaking features similar to a neuron during i...
[ { "created": "Tue, 6 Aug 2019 10:27:01 GMT", "version": "v1" } ]
2019-08-07
[ [ "Humpert", "Ina", "" ], [ "Di Meo", "Danila", "" ], [ "Püschel", "Andreas W.", "" ], [ "Pietschmann", "Jan-Frederik", "" ] ]
The processes that determine the establishment of the complex morphology of neurons during development are still poorly understood. We present experiments that use live imaging to examine the role of vesicle transport and propose a lattice-based model that shows symmetry breaking features similar to a neuron during its...
2009.02513
Knut Heidemann
Prakhar Godara, Stephan Herminghaus, Knut M. Heidemann
A control theory approach to optimal pandemic mitigation
Error in Fig. 6 corrected (red curve for infinite immune response was flawed)
null
10.1371/journal.pone.0247445
null
q-bio.PE math.OC
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
In the framework of homogeneous susceptible-infected-recovered (SIR) models, we use a control theory approach to identify optimal pandemic mitigation strategies. We derive rather general conditions for reaching herd immunity while minimizing the costs incurred by the introduction of societal control measures (such as...
[ { "created": "Sat, 5 Sep 2020 10:45:04 GMT", "version": "v1" }, { "created": "Fri, 16 Oct 2020 13:29:08 GMT", "version": "v2" }, { "created": "Thu, 18 Feb 2021 10:31:31 GMT", "version": "v3" }, { "created": "Fri, 2 Jul 2021 12:10:00 GMT", "version": "v4" } ]
2021-07-05
[ [ "Godara", "Prakhar", "" ], [ "Herminghaus", "Stephan", "" ], [ "Heidemann", "Knut M.", "" ] ]
In the framework of homogeneous susceptible-infected-recovered (SIR) models, we use a control theory approach to identify optimal pandemic mitigation strategies. We derive rather general conditions for reaching herd immunity while minimizing the costs incurred by the introduction of societal control measures (such as c...
q-bio/0601017
Fei Liu
Fei Liu and Zhong-can Ou-Yang
Force Modulating Dynamic Disorder: Physical Theory of Catch-slip bond Transitions in Receptor-Ligand Forced Dissociation Experiments
8 pages, 3 figures, submitted
null
10.1103/PhysRevE.74.051904
null
q-bio.CB q-bio.BM
null
Recently experiments showed that some adhesive receptor-ligand complexes increase their lifetimes when they are stretched by mechanical force, while the force increase beyond some thresholds their lifetimes decrease. Several specific chemical kinetic models have been developed to explain the intriguing transitions fr...
[ { "created": "Thu, 12 Jan 2006 03:06:34 GMT", "version": "v1" } ]
2009-11-13
[ [ "Liu", "Fei", "" ], [ "Ou-Yang", "Zhong-can", "" ] ]
Recently experiments showed that some adhesive receptor-ligand complexes increase their lifetimes when they are stretched by mechanical force, while the force increase beyond some thresholds their lifetimes decrease. Several specific chemical kinetic models have been developed to explain the intriguing transitions from...
2209.02590
Joshua Plotkin
Guocheng Wang, Qi Su, Long Wang, Joshua B. Plotkin
The arrow of evolution when the offspring variance is large
null
null
null
null
q-bio.PE
http://creativecommons.org/licenses/by/4.0/
The concept of fitness is central to evolution, but it quantifies only the expected number of offspring an individual will produce. The actual number of offspring is also subject to noise, arising from environmental or demographic stochasticity. In nature, individuals who are more fecund tend to have greater variance...
[ { "created": "Tue, 6 Sep 2022 15:46:24 GMT", "version": "v1" } ]
2022-09-07
[ [ "Wang", "Guocheng", "" ], [ "Su", "Qi", "" ], [ "Wang", "Long", "" ], [ "Plotkin", "Joshua B.", "" ] ]
The concept of fitness is central to evolution, but it quantifies only the expected number of offspring an individual will produce. The actual number of offspring is also subject to noise, arising from environmental or demographic stochasticity. In nature, individuals who are more fecund tend to have greater variance i...
1910.03447
Eric Lock
Sarah Samorodnitsky, Katherine A. Hoadley, and Eric F. Lock
A Pan-Cancer and Polygenic Bayesian Hierarchical Model for the Effect of Somatic Mutations on Survival
20 pages, 4 figures
null
null
null
q-bio.QM stat.AP
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We built a novel Bayesian hierarchical survival model based on the somatic mutation profile of patients across 50 genes and 27 cancer types. The pan-cancer quality allows for the model to "borrow" information across cancer types, motivated by the assumption that similar mutation profiles may have similar (but not nec...
[ { "created": "Tue, 8 Oct 2019 15:11:29 GMT", "version": "v1" } ]
2019-10-09
[ [ "Samorodnitsky", "Sarah", "" ], [ "Hoadley", "Katherine A.", "" ], [ "Lock", "Eric F.", "" ] ]
We built a novel Bayesian hierarchical survival model based on the somatic mutation profile of patients across 50 genes and 27 cancer types. The pan-cancer quality allows for the model to "borrow" information across cancer types, motivated by the assumption that similar mutation profiles may have similar (but not neces...
2406.01622
Trevor Norton
Trevor Norton and Debswapna Bhattacharya
Sifting through the Noise: A Survey of Diffusion Probabilistic Models and Their Applications to Biomolecules
31 pages, 6 figures
null
null
null
q-bio.BM cs.AI cs.LG q-bio.QM
http://creativecommons.org/licenses/by/4.0/
Diffusion probabilistic models have made their way into a number of high-profile applications since their inception. In particular, there has been a wave of research into using diffusion models in the prediction and design of biomolecular structures and sequences. Their growing ubiquity makes it imperative for resear...
[ { "created": "Fri, 31 May 2024 21:39:51 GMT", "version": "v1" } ]
2024-06-05
[ [ "Norton", "Trevor", "" ], [ "Bhattacharya", "Debswapna", "" ] ]
Diffusion probabilistic models have made their way into a number of high-profile applications since their inception. In particular, there has been a wave of research into using diffusion models in the prediction and design of biomolecular structures and sequences. Their growing ubiquity makes it imperative for research...
1910.09904
Anke Cajar
Anke Cajar, Ralf Engbert, Jochen Laubrock
How spatial frequencies and color drive object search in real-world scenes: A new eye-movement corpus
29 pages, 6 figures
null
10.1167/jov.20.7.8
null
q-bio.NC
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
When studying how people search for objects in scenes, the inhomogeneity of the visual field is often ignored. Due to physiological limitations peripheral vision is blurred and mainly uses coarse-grained information (i.e., low spatial frequencies) for selecting saccade targets, whereas high-acuity central vision uses...
[ { "created": "Tue, 22 Oct 2019 11:46:12 GMT", "version": "v1" }, { "created": "Fri, 14 Feb 2020 10:05:18 GMT", "version": "v2" }, { "created": "Fri, 20 Mar 2020 13:24:56 GMT", "version": "v3" } ]
2021-01-05
[ [ "Cajar", "Anke", "" ], [ "Engbert", "Ralf", "" ], [ "Laubrock", "Jochen", "" ] ]
When studying how people search for objects in scenes, the inhomogeneity of the visual field is often ignored. Due to physiological limitations peripheral vision is blurred and mainly uses coarse-grained information (i.e., low spatial frequencies) for selecting saccade targets, whereas high-acuity central vision uses f...
1906.02603
Kevin Parker PhD
Kevin J. Parker
The first order statistics of backscatter from the fractal branching vasculature
26 pages, 14 figures. This article has been submitted to The Journal of the Acoustical Society of America. After it is published, it will be found at http://asa.scitation.org/journal/jas
J Acoust Soc Am 146(5) p.3318-3326, 2019
10.1121/1.5132934
null
q-bio.QM eess.SP
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The issue of speckle statistics from ultrasound images of soft tissues such as the liver has a long and rich history. A number of theoretical distributions, some related to random scatterers or fades in optics and radar, have been formulated for pulse-echo interference patterns. This work proposes an alternative fram...
[ { "created": "Thu, 6 Jun 2019 14:15:12 GMT", "version": "v1" }, { "created": "Fri, 7 Jun 2019 13:33:35 GMT", "version": "v2" }, { "created": "Thu, 19 Sep 2019 18:17:57 GMT", "version": "v3" } ]
2020-02-14
[ [ "Parker", "Kevin J.", "" ] ]
The issue of speckle statistics from ultrasound images of soft tissues such as the liver has a long and rich history. A number of theoretical distributions, some related to random scatterers or fades in optics and radar, have been formulated for pulse-echo interference patterns. This work proposes an alternative framew...