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0707.0026
Maria A. Avi\~no-Diaz
Maria A. Avino-Diaz
Introducing a Probabilistic Structure on Sequential Dynamical Systems, Simulation and Reduction of Probabilistic Sequential Networks
14 pages
null
null
null
q-bio.GN math.PR q-bio.MN
null
A probabilistic structure on sequential dynamical systems is introduced here, the new model will be called Probabilistic Sequential Network, PSN. The morphisms of Probabilistic Sequential Networks are defined using two algebraic conditions. It is proved here that two homomorphic Probabilistic Sequential Networks have...
[ { "created": "Fri, 29 Jun 2007 23:34:16 GMT", "version": "v1" }, { "created": "Wed, 30 Apr 2008 13:44:03 GMT", "version": "v2" } ]
2008-04-30
[ [ "Avino-Diaz", "Maria A.", "" ] ]
A probabilistic structure on sequential dynamical systems is introduced here, the new model will be called Probabilistic Sequential Network, PSN. The morphisms of Probabilistic Sequential Networks are defined using two algebraic conditions. It is proved here that two homomorphic Probabilistic Sequential Networks have t...
1810.12954
Li Xiao
Li Xiao, Julia M. Stephen, Tony W. Wilson, Vince D. Calhoun, and Yu-Ping Wang
Alternating Diffusion Map Based Fusion of Multimodal Brain Connectivity Networks for IQ Prediction
null
null
null
null
q-bio.NC
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
To explain individual differences in development, behavior, and cognition, most previous studies focused on projecting resting-state functional MRI (fMRI) based functional connectivity (FC) data into a low-dimensional space via linear dimensionality reduction techniques, followed by executing analysis operations. How...
[ { "created": "Tue, 30 Oct 2018 18:29:50 GMT", "version": "v1" } ]
2018-11-01
[ [ "Xiao", "Li", "" ], [ "Stephen", "Julia M.", "" ], [ "Wilson", "Tony W.", "" ], [ "Calhoun", "Vince D.", "" ], [ "Wang", "Yu-Ping", "" ] ]
To explain individual differences in development, behavior, and cognition, most previous studies focused on projecting resting-state functional MRI (fMRI) based functional connectivity (FC) data into a low-dimensional space via linear dimensionality reduction techniques, followed by executing analysis operations. Howev...
2111.08507
Akankshita Dash
Akankshita Dash
Machine Learning for Genomic Data
Number of pages: 53
null
null
null
q-bio.GN cs.LG
http://creativecommons.org/licenses/by-nc-nd/4.0/
This report explores the application of machine learning techniques on short timeseries gene expression data. Although standard machine learning algorithms work well on longer time-series', they often fail to find meaningful insights from fewer timepoints. In this report, we explore model-based clustering techniques....
[ { "created": "Mon, 15 Nov 2021 14:34:20 GMT", "version": "v1" } ]
2021-11-17
[ [ "Dash", "Akankshita", "" ] ]
This report explores the application of machine learning techniques on short timeseries gene expression data. Although standard machine learning algorithms work well on longer time-series', they often fail to find meaningful insights from fewer timepoints. In this report, we explore model-based clustering techniques. W...
1401.8028
Mercedes P\'erez Mill\'an
Mercedes P\'erez Mill\'an and Alicia Dickenstein
Implicit dose-response curves
The final publication is available at Springer via http://dx.doi.org/10.1007/s00285-014-0809-4
null
10.1007/s00285-014-0809-4
null
q-bio.QM math.AG
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We develop tools from computational algebraic geometry for the study of steady state features of autonomous polynomial dynamical systems via elimination of variables. In particular, we obtain nontrivial bounds for the steady state concentration of a given species in biochemical reaction networks with mass-action kine...
[ { "created": "Thu, 30 Jan 2014 23:25:46 GMT", "version": "v1" }, { "created": "Fri, 11 Jul 2014 10:25:00 GMT", "version": "v2" } ]
2014-07-14
[ [ "Millán", "Mercedes Pérez", "" ], [ "Dickenstein", "Alicia", "" ] ]
We develop tools from computational algebraic geometry for the study of steady state features of autonomous polynomial dynamical systems via elimination of variables. In particular, we obtain nontrivial bounds for the steady state concentration of a given species in biochemical reaction networks with mass-action kineti...
2003.13932
Samuel Willian Schwertner Costiche
Rodrigo A. Schulz, Carlos H. Coimbra-Ara\'ujo and Samuel W. S. Costiche
COVID-19: A model for studying the evolution of contamination in Brazil
18 pages, 4 figures; corrected references and parameters
null
null
null
q-bio.PE physics.soc-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
In the present article we introduce an epidemiological model for the investigation of the spread of epidemics caused by viruses. The model is applied specifically to COVID-19, the disease caused by the SARS-Cov-2 virus (aka "novel coronavirus"). The SIR (Susceptible - Infectious - Recovered) model is used as a basis ...
[ { "created": "Tue, 31 Mar 2020 03:12:14 GMT", "version": "v1" }, { "created": "Wed, 1 Apr 2020 05:00:47 GMT", "version": "v2" }, { "created": "Thu, 2 Apr 2020 12:57:16 GMT", "version": "v3" }, { "created": "Wed, 8 Apr 2020 23:07:57 GMT", "version": "v4" } ]
2020-04-10
[ [ "Schulz", "Rodrigo A.", "" ], [ "Coimbra-Araújo", "Carlos H.", "" ], [ "Costiche", "Samuel W. S.", "" ] ]
In the present article we introduce an epidemiological model for the investigation of the spread of epidemics caused by viruses. The model is applied specifically to COVID-19, the disease caused by the SARS-Cov-2 virus (aka "novel coronavirus"). The SIR (Susceptible - Infectious - Recovered) model is used as a basis fo...
2009.10378
Jean-Sebastien Guez
Val\'erie Lecl\'ere, Max B\'echet, Akram Adam, Jean-Sebastien Guez (IP), Bernard Wathelet, Marc Ongena, Philippe Thonart, Fr\'ed\'erique Gancel, Marl\'ene Chollet-Imbert, Philippe Jacques
Mycosubtilin Overproduction by Bacillus subtilis BBG100 Enhances the Organism's Antagonistic and Biocontrol Activities
null
Applied and Environmental Microbiology, American Society for Microbiology, 2005, 71, pp.4577 - 4584
10.1128/AEM.71.8.4577-4584.2005
null
q-bio.BM
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
A Bacillus subtilis derivative was obtained from strain ATCC 6633 by replacement of the native promoter of the mycosubtilin operon by a constitutive promoter originating from the replication gene repU of the Staphylococcus aureus plasmid pUB110. The recombinant strain, designated BBG100, produced up to 15-fold more m...
[ { "created": "Tue, 22 Sep 2020 08:10:13 GMT", "version": "v1" } ]
2020-09-23
[ [ "Leclére", "Valérie", "", "IP" ], [ "Béchet", "Max", "", "IP" ], [ "Adam", "Akram", "", "IP" ], [ "Guez", "Jean-Sebastien", "", "IP" ], [ "Wathelet", "Bernard", "" ], [ "Ongena", "Marc", "" ], [ "Th...
A Bacillus subtilis derivative was obtained from strain ATCC 6633 by replacement of the native promoter of the mycosubtilin operon by a constitutive promoter originating from the replication gene repU of the Staphylococcus aureus plasmid pUB110. The recombinant strain, designated BBG100, produced up to 15-fold more myc...
1503.07552
Andrey Shilnikov L
D. Alacam and A.L. Shilnikov
Making a swim central pattern generator out of latent parabolic bursters
null
null
null
null
q-bio.NC nlin.PS
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We study the rhythmogenesis of oscillatory patterns emerging in network motifs composed of inhibitory coupled tonic spiking neurons represented by the Plant model of R15 nerve cells. Such motifs are argued to be used as building blocks for a larger central pattern generator network controlling swim locomotion of sea ...
[ { "created": "Wed, 25 Mar 2015 20:54:56 GMT", "version": "v1" } ]
2015-03-27
[ [ "Alacam", "D.", "" ], [ "Shilnikov", "A. L.", "" ] ]
We study the rhythmogenesis of oscillatory patterns emerging in network motifs composed of inhibitory coupled tonic spiking neurons represented by the Plant model of R15 nerve cells. Such motifs are argued to be used as building blocks for a larger central pattern generator network controlling swim locomotion of sea sl...
0706.3195
George Bass Ph.D.
George E. Bass
Genetic Transferability of Anomalous Irradiation Alterations of Antibiotic Activity
17 pages, 3 figures
null
null
null
q-bio.BM
null
It previously has been discovered that visible light irradiation of crystalline substrates can lead to enhancement of subsequent enzymatic reaction rates as sharply peaked oscillatory functions of irradiation time. The particular activating irradiation times can vary with source of a given enzyme and thus, presumably...
[ { "created": "Thu, 21 Jun 2007 17:24:15 GMT", "version": "v1" } ]
2007-06-22
[ [ "Bass", "George E.", "" ] ]
It previously has been discovered that visible light irradiation of crystalline substrates can lead to enhancement of subsequent enzymatic reaction rates as sharply peaked oscillatory functions of irradiation time. The particular activating irradiation times can vary with source of a given enzyme and thus, presumably, ...
2106.10041
Michael Inouye
Ewan Birney, Michael Inouye, Jennifer Raff, Adam Rutherford, Aylwyn Scally
The language of race, ethnicity, and ancestry in human genetic research
null
null
null
null
q-bio.PE
http://creativecommons.org/licenses/by/4.0/
The language commonly used in human genetics can inadvertently pose problems for multiple reasons. Terms like "ancestry", "ethnicity", and other ways of grouping people can have complex, often poorly understood, or multiple meanings within the various fields of genetics, between different domains of biological scienc...
[ { "created": "Fri, 18 Jun 2021 10:24:15 GMT", "version": "v1" } ]
2021-06-21
[ [ "Birney", "Ewan", "" ], [ "Inouye", "Michael", "" ], [ "Raff", "Jennifer", "" ], [ "Rutherford", "Adam", "" ], [ "Scally", "Aylwyn", "" ] ]
The language commonly used in human genetics can inadvertently pose problems for multiple reasons. Terms like "ancestry", "ethnicity", and other ways of grouping people can have complex, often poorly understood, or multiple meanings within the various fields of genetics, between different domains of biological sciences...
1812.05780
Silke Bergeler
Matthias Kober, Silke Bergeler, Erwin Frey
Can a flux-based mechanism explain positioning of protein clusters in a three-dimensional cell geometry?
9 pages, 4 figures, 10 pages of supplemental information (including 4 figures and 1 table)
null
10.1016/j.bpj.2019.06.031
null
q-bio.SC physics.bio-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The plane of bacterial cell division must be precisely positioned. In the bacterium Myxococcus xanthus, the proteins PomX and PomY form a large cluster, which is tethered to the nucleoid by the ATPase PomZ and moves in a stochastic, but biased manner towards midcell, where it initiates cell division. Previously, a po...
[ { "created": "Fri, 14 Dec 2018 05:01:04 GMT", "version": "v1" } ]
2019-09-04
[ [ "Kober", "Matthias", "" ], [ "Bergeler", "Silke", "" ], [ "Frey", "Erwin", "" ] ]
The plane of bacterial cell division must be precisely positioned. In the bacterium Myxococcus xanthus, the proteins PomX and PomY form a large cluster, which is tethered to the nucleoid by the ATPase PomZ and moves in a stochastic, but biased manner towards midcell, where it initiates cell division. Previously, a posi...
2206.07542
Abdulah Fawaz
Abdulah Fawaz, Logan Z. Williams, A. David Edwards, Emma Robinson
A Deep Generative Model of Neonatal Cortical Surface Development
null
null
null
null
q-bio.NC cs.CV cs.LG eess.IV
http://creativecommons.org/licenses/by/4.0/
The neonatal cortical surface is known to be affected by preterm birth, and the subsequent changes to cortical organisation have been associated with poorer neurodevelopmental outcomes. Deep Generative models have the potential to lead to clinically interpretable models of disease, but developing these on the cortica...
[ { "created": "Wed, 15 Jun 2022 13:59:43 GMT", "version": "v1" }, { "created": "Wed, 22 Jun 2022 12:16:33 GMT", "version": "v2" } ]
2022-06-23
[ [ "Fawaz", "Abdulah", "" ], [ "Williams", "Logan Z.", "" ], [ "Edwards", "A. David", "" ], [ "Robinson", "Emma", "" ] ]
The neonatal cortical surface is known to be affected by preterm birth, and the subsequent changes to cortical organisation have been associated with poorer neurodevelopmental outcomes. Deep Generative models have the potential to lead to clinically interpretable models of disease, but developing these on the cortical ...
1912.09929
Benjamin M. Friedrich
Jens Karschau, Andre Scholich, Jonathan Wise, Hernan Morales-Navarette, Yannis Kalaidzidis, Marino Zerial, Benjamin M Friedrich
Resilience of three-dimensional sinusoidal networks in liver tissue
20 pages, 7 figures
null
10.1371/journal.pcbi.1007965
null
q-bio.TO physics.bio-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Can three-dimensional, microvasculature networks still ensure blood supply if individual links fail? We address this question in the sinusoidal network, a plexus-like microvasculature network, which transports nutrient-rich blood to every hepatocyte in liver tissue, by building on recent advances in high-resolution i...
[ { "created": "Fri, 20 Dec 2019 16:41:54 GMT", "version": "v1" } ]
2020-09-09
[ [ "Karschau", "Jens", "" ], [ "Scholich", "Andre", "" ], [ "Wise", "Jonathan", "" ], [ "Morales-Navarette", "Hernan", "" ], [ "Kalaidzidis", "Yannis", "" ], [ "Zerial", "Marino", "" ], [ "Friedrich", "Benjamin M"...
Can three-dimensional, microvasculature networks still ensure blood supply if individual links fail? We address this question in the sinusoidal network, a plexus-like microvasculature network, which transports nutrient-rich blood to every hepatocyte in liver tissue, by building on recent advances in high-resolution ima...
0809.1127
Naoki Masuda Dr.
Yuko K. Takahashi, Hiroshi Kori, Naoki Masuda
Self-organization of feedforward structure and entrainment in excitatory neural networks with spike-timing-dependent plasticity
11 figures, 1 table
Physical Review E, 79, 051904 (2009)
10.1103/PhysRevE.79.051904
null
q-bio.NC cond-mat.dis-nn
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Spike-timing dependent plasticity (STDP) is an organizing principle of biological neural networks. While synchronous firing of neurons is considered to be an important functional block in the brain, how STDP shapes neural networks possibly toward synchrony is not entirely clear. We examine relations between STDP and ...
[ { "created": "Sat, 6 Sep 2008 03:44:09 GMT", "version": "v1" }, { "created": "Thu, 11 Sep 2008 11:41:50 GMT", "version": "v2" }, { "created": "Wed, 20 May 2009 11:23:05 GMT", "version": "v3" } ]
2009-05-20
[ [ "Takahashi", "Yuko K.", "" ], [ "Kori", "Hiroshi", "" ], [ "Masuda", "Naoki", "" ] ]
Spike-timing dependent plasticity (STDP) is an organizing principle of biological neural networks. While synchronous firing of neurons is considered to be an important functional block in the brain, how STDP shapes neural networks possibly toward synchrony is not entirely clear. We examine relations between STDP and sy...
2305.14369
Eloy Philip Theo Geenjaar
Eloy Geenjaar, Donghyun Kim, Riyasat Ohib, Marlena Duda, Amrit Kashyap, Sergey Plis, Vince Calhoun
Learning low-dimensional dynamics from whole-brain data improves task capture
9 pages, 4 figures
null
null
null
q-bio.NC cs.CE cs.LG
http://creativecommons.org/licenses/by/4.0/
The neural dynamics underlying brain activity are critical to understanding cognitive processes and mental disorders. However, current voxel-based whole-brain dimensionality reduction techniques fall short of capturing these dynamics, producing latent timeseries that inadequately relate to behavioral tasks. To addres...
[ { "created": "Thu, 18 May 2023 18:43:13 GMT", "version": "v1" } ]
2023-05-25
[ [ "Geenjaar", "Eloy", "" ], [ "Kim", "Donghyun", "" ], [ "Ohib", "Riyasat", "" ], [ "Duda", "Marlena", "" ], [ "Kashyap", "Amrit", "" ], [ "Plis", "Sergey", "" ], [ "Calhoun", "Vince", "" ] ]
The neural dynamics underlying brain activity are critical to understanding cognitive processes and mental disorders. However, current voxel-based whole-brain dimensionality reduction techniques fall short of capturing these dynamics, producing latent timeseries that inadequately relate to behavioral tasks. To address ...
q-bio/0607028
Garegin Papoian
Yueheng Lan, Garegin A. Papoian
The interplay between discrete noise and nonlinear chemical kinetics in a signal amplification cascade
16 pages, 9 figures
null
10.1063/1.2358342
null
q-bio.MN q-bio.QM
null
We used various analytical and numerical techniques to elucidate signal propagation in a small enzymatic cascade which is subjected to external and internal noise. The nonlinear character of catalytic reactions, which underlie protein signal transduction cascades, renders stochastic signaling dynamics in cytosol bioc...
[ { "created": "Wed, 19 Jul 2006 06:41:28 GMT", "version": "v1" } ]
2009-11-13
[ [ "Lan", "Yueheng", "" ], [ "Papoian", "Garegin A.", "" ] ]
We used various analytical and numerical techniques to elucidate signal propagation in a small enzymatic cascade which is subjected to external and internal noise. The nonlinear character of catalytic reactions, which underlie protein signal transduction cascades, renders stochastic signaling dynamics in cytosol bioche...
1611.00285
Till Frank
J.M. Gordon, S. Kim, T.D. Frank
Linear non-equilibrium thermodynamics of human voluntary behavior: a canonical-dissipative Fokker-Planck equation approach involving potentials beyond the harmonic oscillator case
6 pages, 0 figure
Condens. Matter Phys., vol. 19, No. 3, 34001 (2016)
10.5488/CMP.19.34001
null
q-bio.NC cond-mat.soft cond-mat.stat-mech
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
A novel experimental paradigm and a novel modelling approach are presented to investigate oscillatory human motor performance by means of a key concept from condensed matter physics, namely, thermodynamic state variables. To this end, in the novel experimental paradigm participants performed pendulum swinging movemen...
[ { "created": "Thu, 15 Sep 2016 16:10:43 GMT", "version": "v1" } ]
2017-02-13
[ [ "Gordon", "J. M.", "" ], [ "Kim", "S.", "" ], [ "Frank", "T. D.", "" ] ]
A novel experimental paradigm and a novel modelling approach are presented to investigate oscillatory human motor performance by means of a key concept from condensed matter physics, namely, thermodynamic state variables. To this end, in the novel experimental paradigm participants performed pendulum swinging movements...
1909.06442
Devin Taylor
Devin Taylor, Simeon Spasov and Pietro Li\`o
Co-Attentive Cross-Modal Deep Learning for Medical Evidence Synthesis and Decision Making
7 pages, 2 figures, Machine Learning for Health (ML4H) at NeurIPS 2019 - Extended Abstract, clarified graph and math notation, typos corrected
null
null
null
q-bio.QM cs.LG stat.ML
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Modern medicine requires generalised approaches to the synthesis and integration of multimodal data, often at different biological scales, that can be applied to a variety of evidence structures, such as complex disease analyses and epidemiological models. However, current methods are either slow and expensive, or in...
[ { "created": "Fri, 13 Sep 2019 20:49:55 GMT", "version": "v1" }, { "created": "Fri, 8 Nov 2019 06:58:53 GMT", "version": "v2" } ]
2019-11-11
[ [ "Taylor", "Devin", "" ], [ "Spasov", "Simeon", "" ], [ "Liò", "Pietro", "" ] ]
Modern medicine requires generalised approaches to the synthesis and integration of multimodal data, often at different biological scales, that can be applied to a variety of evidence structures, such as complex disease analyses and epidemiological models. However, current methods are either slow and expensive, or inef...
1101.3570
Lev Soyfer
Lev Isaakovich Soyfer
Processes of the correlation of space (lengths) and time (duration)in human perception
The text of this work, which totals of 183 pages, consists of seven chapters, references, and four appendices. Major part of the work includes 30 tables and 3 figures. Appendices consist of 37 tables and 4 figures
null
null
null
q-bio.NC
http://creativecommons.org/licenses/by/3.0/
To study the processes and mechanisms of the correlation between space and time, particularly between lengths and durations in human perception, a special method (device and procedure) to conduct this experiment was designed and called LDR (Length Duration Relation) In the present study a pilot and three series of th...
[ { "created": "Mon, 17 Jan 2011 20:38:38 GMT", "version": "v1" } ]
2011-01-20
[ [ "Soyfer", "Lev Isaakovich", "" ] ]
To study the processes and mechanisms of the correlation between space and time, particularly between lengths and durations in human perception, a special method (device and procedure) to conduct this experiment was designed and called LDR (Length Duration Relation) In the present study a pilot and three series of the ...
1304.4274
Natalia Denesyuk
Natalia A. Denesyuk and D. Thirumalai
Entropic stabilization of the folded states of RNA due to macromolecular crowding
null
null
10.1007/s12551-013-0119-x
null
q-bio.BM cond-mat.soft physics.bio-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We review the effects of macromolecular crowding on the folding of RNA by considering the simplest scenario when excluded volume interactions between crowding particles and RNA dominate. Using human telomerase enzyme as an example, we discuss how crowding can alter the equilibrium between pseudoknot and hairpin state...
[ { "created": "Mon, 15 Apr 2013 21:37:49 GMT", "version": "v1" } ]
2013-04-17
[ [ "Denesyuk", "Natalia A.", "" ], [ "Thirumalai", "D.", "" ] ]
We review the effects of macromolecular crowding on the folding of RNA by considering the simplest scenario when excluded volume interactions between crowding particles and RNA dominate. Using human telomerase enzyme as an example, we discuss how crowding can alter the equilibrium between pseudoknot and hairpin states ...
2402.03675
Chenqing Hua
Chenqing Hua, Connor Coley, Guy Wolf, Doina Precup, Shuangjia Zheng
Effective Protein-Protein Interaction Exploration with PPIretrieval
null
null
null
null
q-bio.BM cs.AI cs.CE cs.LG
http://creativecommons.org/publicdomain/zero/1.0/
Protein-protein interactions (PPIs) are crucial in regulating numerous cellular functions, including signal transduction, transportation, and immune defense. As the accuracy of multi-chain protein complex structure prediction improves, the challenge has shifted towards effectively navigating the vast complex universe...
[ { "created": "Tue, 6 Feb 2024 03:57:06 GMT", "version": "v1" } ]
2024-02-07
[ [ "Hua", "Chenqing", "" ], [ "Coley", "Connor", "" ], [ "Wolf", "Guy", "" ], [ "Precup", "Doina", "" ], [ "Zheng", "Shuangjia", "" ] ]
Protein-protein interactions (PPIs) are crucial in regulating numerous cellular functions, including signal transduction, transportation, and immune defense. As the accuracy of multi-chain protein complex structure prediction improves, the challenge has shifted towards effectively navigating the vast complex universe t...
1407.4854
Kazuhiro Takemoto
Kazuhiro Takemoto
Metabolic networks are almost nonfractal: A comprehensive evaluation
7 pages, 5 figures
Phys. Rev. E 90, 022802 (2014)
10.1103/PhysRevE.90.022802
null
q-bio.MN physics.data-an physics.soc-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Network self-similarity or fractality are widely accepted as an important topological property of metabolic networks; however, recent studies cast doubt on the reality of self-similarity in the networks. Therefore, we perform a comprehensive evaluation of metabolic network fractality using a box-covering method with ...
[ { "created": "Thu, 17 Jul 2014 22:39:23 GMT", "version": "v1" }, { "created": "Wed, 30 Jul 2014 03:18:32 GMT", "version": "v2" } ]
2014-08-05
[ [ "Takemoto", "Kazuhiro", "" ] ]
Network self-similarity or fractality are widely accepted as an important topological property of metabolic networks; however, recent studies cast doubt on the reality of self-similarity in the networks. Therefore, we perform a comprehensive evaluation of metabolic network fractality using a box-covering method with an...
2112.10230
Johannes M\"uller
Johannes M\"uller and Aurelien Tellier and Michael Kurschilgen
A model of opinion dynamics with echo chambers explains the spatial distribution of vaccine hesitancy
null
null
null
null
q-bio.PE
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Vaccination hesitancy is a major obstacle to achieving and maintaining herd immunity. It is therefore of prime importance for public health authorities to understand the dynamics of an anti-vaccine opinion in the population. We introduce a novel mathematical model of opinion dynamics with spatial reinforcement, which...
[ { "created": "Sun, 19 Dec 2021 19:02:22 GMT", "version": "v1" } ]
2021-12-21
[ [ "Müller", "Johannes", "" ], [ "Tellier", "Aurelien", "" ], [ "Kurschilgen", "Michael", "" ] ]
Vaccination hesitancy is a major obstacle to achieving and maintaining herd immunity. It is therefore of prime importance for public health authorities to understand the dynamics of an anti-vaccine opinion in the population. We introduce a novel mathematical model of opinion dynamics with spatial reinforcement, which c...
2008.01781
Wentian Li
Wentian Li, Yannis Almirantis, Astero Provata
Revisiting the Neutral Dynamics Derived Limiting Guanine-Cytosine Content Using the Human De Novo Point Mutation Data
4 figures
Meta Gene 31: 100994 (2022)
10.1016/j.mgene.2021.100994
null
q-bio.GN q-bio.PE
http://creativecommons.org/licenses/by/4.0/
We revisit the topic of human genome guanine-cytosine content under neutral evolution. For this study, the de novo mutation data within human is used to estimate mutational rate instead of using base substitution data between related species. We then define a new measure of mutation bias which separate the de novo mu...
[ { "created": "Tue, 4 Aug 2020 19:31:21 GMT", "version": "v1" } ]
2022-03-15
[ [ "Li", "Wentian", "" ], [ "Almirantis", "Yannis", "" ], [ "Provata", "Astero", "" ] ]
We revisit the topic of human genome guanine-cytosine content under neutral evolution. For this study, the de novo mutation data within human is used to estimate mutational rate instead of using base substitution data between related species. We then define a new measure of mutation bias which separate the de novo muta...
0810.4547
Bradly Alicea
Bradly Alicea
Hierarchies of Biocomplexity: modeling lifes energetic complexity
11 pages, 9 figures, 1 table
null
null
null
q-bio.PE q-bio.OT
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
In this paper, a model for understanding the effects of selection using systems- level computational approaches is introduced. A number of concepts and principles essential for understanding the motivation for constructing the model will be introduced first. This will be followed by a description of parameters, measu...
[ { "created": "Fri, 24 Oct 2008 20:32:11 GMT", "version": "v1" }, { "created": "Fri, 7 Nov 2008 19:19:15 GMT", "version": "v2" }, { "created": "Wed, 4 Mar 2009 15:53:36 GMT", "version": "v3" } ]
2009-03-04
[ [ "Alicea", "Bradly", "" ] ]
In this paper, a model for understanding the effects of selection using systems- level computational approaches is introduced. A number of concepts and principles essential for understanding the motivation for constructing the model will be introduced first. This will be followed by a description of parameters, measure...
1410.6763
Denis Semenov A.
Denis A. Semenov
Epigenetic effects of cytosine derivatives are caused by their tautomers in Hoogsteen base pairs
6 pages, 5 figures
null
null
null
q-bio.BM
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Deoxycitidine in solution exists as two tautomers one of which is an uncanonical imino one. The latter can dominate with such derivatives as 5-methyl, 5-hydroxymethyl- and 5-formylcytosine. The imino tautomer potentially is able to form a hoosteen GC base pair. To detect such pair, it is suggested to use 1H15N NMR. F...
[ { "created": "Sat, 30 Aug 2014 18:15:05 GMT", "version": "v1" } ]
2014-10-27
[ [ "Semenov", "Denis A.", "" ] ]
Deoxycitidine in solution exists as two tautomers one of which is an uncanonical imino one. The latter can dominate with such derivatives as 5-methyl, 5-hydroxymethyl- and 5-formylcytosine. The imino tautomer potentially is able to form a hoosteen GC base pair. To detect such pair, it is suggested to use 1H15N NMR. For...
1606.03630
Cameron Mura
Cameron Mura
The Structures, Functions, and Evolution of Sm-like Archaeal Proteins (SmAPs)
215 pages, distributed across an Abstract, Synopsis, five Chapters (the main body) and an Appendix; the work in this dissertation was performed in the Eisenberg lab at UCLA from ca. 1999 to 2002
null
null
null
q-bio.BM
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Sm proteins were discovered nearly 20 years ago as a group of small antigenic proteins ($\approx$ 90-120 residues). Since then, an extensive amount of biochemical and genetic data have illuminated the crucial roles of these proteins in forming ribonucleoprotein (RNP) complexes that are used in RNA processing, e.g., s...
[ { "created": "Sat, 11 Jun 2016 21:20:30 GMT", "version": "v1" } ]
2016-06-14
[ [ "Mura", "Cameron", "" ] ]
Sm proteins were discovered nearly 20 years ago as a group of small antigenic proteins ($\approx$ 90-120 residues). Since then, an extensive amount of biochemical and genetic data have illuminated the crucial roles of these proteins in forming ribonucleoprotein (RNP) complexes that are used in RNA processing, e.g., spl...
1905.00555
Abhishek Deshpande
Abhishek Deshpande, Thomas E. Ouldridge
Optimizing enzymatic catalysts for rapid turnover of substrates with low enzyme sequestration
16 pages, 9 figures
Biological Cybernetics 2020
null
null
q-bio.MN
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We analyse the mechanism of enzyme-substrate catalysis from the perspective of minimizing the load on the enzymes through sequestration, whilst maintaining at least a minimum reaction flux. In particular, we ask: which binding free energies of the enzyme-substrate and enzyme-product reaction intermediates minimize th...
[ { "created": "Thu, 2 May 2019 02:41:46 GMT", "version": "v1" }, { "created": "Thu, 17 Sep 2020 19:31:15 GMT", "version": "v2" } ]
2020-09-21
[ [ "Deshpande", "Abhishek", "" ], [ "Ouldridge", "Thomas E.", "" ] ]
We analyse the mechanism of enzyme-substrate catalysis from the perspective of minimizing the load on the enzymes through sequestration, whilst maintaining at least a minimum reaction flux. In particular, we ask: which binding free energies of the enzyme-substrate and enzyme-product reaction intermediates minimize the ...
1502.07793
James Herbert-Read
James E. Herbert-Read, Ashley J.W. Ward, David J.T. Sumpter, Richard P. Mann
Escape path complexity and its context dependency in Pacific blue-eyes (Pseudomugil signifer)
9 pages
null
10.1242/jeb.154534
null
q-bio.QM
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The escape trajectories animals take following a predatory attack appear to show high degrees of apparent 'randomness' - a property that has been described as 'protean behaviour'. Here we present a method of quantifying the escape trajectories of individual animals using a path complexity approach. When fish (Pseudom...
[ { "created": "Thu, 26 Feb 2015 23:47:14 GMT", "version": "v1" } ]
2022-09-13
[ [ "Herbert-Read", "James E.", "" ], [ "Ward", "Ashley J. W.", "" ], [ "Sumpter", "David J. T.", "" ], [ "Mann", "Richard P.", "" ] ]
The escape trajectories animals take following a predatory attack appear to show high degrees of apparent 'randomness' - a property that has been described as 'protean behaviour'. Here we present a method of quantifying the escape trajectories of individual animals using a path complexity approach. When fish (Pseudomug...
1607.02642
Wayne Hayes
Nil Mamano and Wayne Hayes
SANA: Simulated Annealing Network Alignment Applied to Biological Networks
null
null
null
null
q-bio.MN
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The alignment of biological networks has the potential to teach us as much about biology and disease as has sequence alignment. Sequence alignment can be optimally solved in polynomial time. In contrast, network alignment is $NP$-hard, meaning optimal solutions are impossible to find, and the quality of found alignme...
[ { "created": "Sat, 9 Jul 2016 18:13:30 GMT", "version": "v1" } ]
2016-07-12
[ [ "Mamano", "Nil", "" ], [ "Hayes", "Wayne", "" ] ]
The alignment of biological networks has the potential to teach us as much about biology and disease as has sequence alignment. Sequence alignment can be optimally solved in polynomial time. In contrast, network alignment is $NP$-hard, meaning optimal solutions are impossible to find, and the quality of found alignment...
2310.10598
Jenna Fromer
Jenna C. Fromer, David E. Graff, Connor W. Coley
Pareto Optimization to Accelerate Multi-Objective Virtual Screening
null
null
null
null
q-bio.QM cs.LG
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The discovery of therapeutic molecules is fundamentally a multi-objective optimization problem. One formulation of the problem is to identify molecules that simultaneously exhibit strong binding affinity for a target protein, minimal off-target interactions, and suitable pharmacokinetic properties. Inspired by prior ...
[ { "created": "Mon, 16 Oct 2023 17:19:46 GMT", "version": "v1" } ]
2023-10-17
[ [ "Fromer", "Jenna C.", "" ], [ "Graff", "David E.", "" ], [ "Coley", "Connor W.", "" ] ]
The discovery of therapeutic molecules is fundamentally a multi-objective optimization problem. One formulation of the problem is to identify molecules that simultaneously exhibit strong binding affinity for a target protein, minimal off-target interactions, and suitable pharmacokinetic properties. Inspired by prior wo...
1611.05918
Sujoy Ganguly
Sujoy Ganguly and Olivier Trottier and Xin Liang and Hugo Bowne-Anderson and Jonathon Howard
Morphology of Fly Larval Class IV Dendrites Accords with a Random Branching and Contact Based Branch Deletion Model
12 pages, 4 figures. Supplementary Information: 3 Figures
null
null
null
q-bio.NC
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Dendrites are branched neuronal processes that receive input signals from other neurons or the outside world [1]. To maintain connectivity as the organism grows, dendrites must also continue to grow. For example, the dendrites in the peripheral nervous system continue to grow and branch to maintain proper coverage of...
[ { "created": "Thu, 17 Nov 2016 22:08:20 GMT", "version": "v1" } ]
2016-11-21
[ [ "Ganguly", "Sujoy", "" ], [ "Trottier", "Olivier", "" ], [ "Liang", "Xin", "" ], [ "Bowne-Anderson", "Hugo", "" ], [ "Howard", "Jonathon", "" ] ]
Dendrites are branched neuronal processes that receive input signals from other neurons or the outside world [1]. To maintain connectivity as the organism grows, dendrites must also continue to grow. For example, the dendrites in the peripheral nervous system continue to grow and branch to maintain proper coverage of t...
1708.02603
Tae Seung Kang
Tae Seung Kang and Arunava Banerjee
Learning Feedforward and Recurrent Deterministic Spiking Neuron Network Feedback Controllers
null
null
null
null
q-bio.NC cs.NE
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We address the problem of learning feedback control where the controller is a network constructed solely of deterministic spiking neurons. In contrast to previous investigations that were based on a spike rate model of the neuron, the control signal here is determined by the precise temporal positions of spikes gener...
[ { "created": "Tue, 8 Aug 2017 18:42:17 GMT", "version": "v1" }, { "created": "Tue, 25 Sep 2018 22:54:29 GMT", "version": "v2" } ]
2018-09-27
[ [ "Kang", "Tae Seung", "" ], [ "Banerjee", "Arunava", "" ] ]
We address the problem of learning feedback control where the controller is a network constructed solely of deterministic spiking neurons. In contrast to previous investigations that were based on a spike rate model of the neuron, the control signal here is determined by the precise temporal positions of spikes generat...
1307.5468
Changbong Hyeon
Jeseong Yoon, D. Thirumalai, Changbong Hyeon
Urea-induced denaturation of PreQ1-riboswitch
41 pages, 18 figures
J. Am. Chem. Soc. 2013
10.1016/j.bpj.2012.11.1853
null
q-bio.BM cond-mat.soft
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Urea, a polar molecule with a large dipole moment, not only destabilizes the folded RNA structures, but can also enhance the folding rates of large ribozymes. Unlike the mechanism of urea-induced unfolding of proteins, which is well understood, the action of urea on RNA has barely been explored. We performed extensiv...
[ { "created": "Sat, 20 Jul 2013 22:02:38 GMT", "version": "v1" } ]
2017-08-23
[ [ "Yoon", "Jeseong", "" ], [ "Thirumalai", "D.", "" ], [ "Hyeon", "Changbong", "" ] ]
Urea, a polar molecule with a large dipole moment, not only destabilizes the folded RNA structures, but can also enhance the folding rates of large ribozymes. Unlike the mechanism of urea-induced unfolding of proteins, which is well understood, the action of urea on RNA has barely been explored. We performed extensive ...
2010.12127
Dongqi Han
Dongqi Han, Erik De Schutter, Sungho Hong
Lamina-specific neuronal properties promote robust, stable signal propagation in feedforward networks
NeurIPS 2020
null
null
null
q-bio.NC cs.NE
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Feedforward networks (FFN) are ubiquitous structures in neural systems and have been studied to understand mechanisms of reliable signal and information transmission. In many FFNs, neurons in one layer have intrinsic properties that are distinct from those in their pre-/postsynaptic layers, but how this affects netwo...
[ { "created": "Fri, 23 Oct 2020 01:57:46 GMT", "version": "v1" } ]
2020-10-26
[ [ "Han", "Dongqi", "" ], [ "De Schutter", "Erik", "" ], [ "Hong", "Sungho", "" ] ]
Feedforward networks (FFN) are ubiquitous structures in neural systems and have been studied to understand mechanisms of reliable signal and information transmission. In many FFNs, neurons in one layer have intrinsic properties that are distinct from those in their pre-/postsynaptic layers, but how this affects network...
2201.07338
Noelia Ferruz
Noelia Ferruz and Birte H\"ocker
Controllable Protein Design with Language Models
This is a version before peer-review. A view-only, peer-reviewed, published version can be found here: https://rdcu.be/cQbmH. The peer-reviewed version is under embargo at Nat Mach Intell until 12/2022
Controllable protein design with language models. Nat Mach Intell 4, 521-532, 2022
10.1038/s42256-022-00499-z
null
q-bio.BM
http://creativecommons.org/licenses/by-nc-sa/4.0/
The 21st century is presenting humankind with unprecedented environmental and medical challenges. The ability to design novel proteins tailored for specific purposes could transform our ability to respond timely to these issues. Recent advances in the field of artificial intelligence are now setting the stage to make...
[ { "created": "Tue, 18 Jan 2022 22:23:03 GMT", "version": "v1" }, { "created": "Mon, 22 Aug 2022 18:44:27 GMT", "version": "v2" } ]
2022-08-24
[ [ "Ferruz", "Noelia", "" ], [ "Höcker", "Birte", "" ] ]
The 21st century is presenting humankind with unprecedented environmental and medical challenges. The ability to design novel proteins tailored for specific purposes could transform our ability to respond timely to these issues. Recent advances in the field of artificial intelligence are now setting the stage to make t...
1602.08314
Pramod Shinde
Pramod Shinde and Sarika Jalan
A multilayer PPI network analysis of different life stages in C. elegans
null
EPL (Europhysics Letters). 2015 Dec 17;112(5):58001
10.1209/0295-5075/112/58001
null
q-bio.MN q-bio.PE q-bio.SC
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Molecular networks act as the backbone of cellular activities, providing an {excellent} opportunity to understand the developmental changes in an organism. While network data usually constitute only stationary network graphs, constructing multilayer PPI network may provide clues to the particular developmental role a...
[ { "created": "Fri, 26 Feb 2016 13:26:52 GMT", "version": "v1" } ]
2016-02-29
[ [ "Shinde", "Pramod", "" ], [ "Jalan", "Sarika", "" ] ]
Molecular networks act as the backbone of cellular activities, providing an {excellent} opportunity to understand the developmental changes in an organism. While network data usually constitute only stationary network graphs, constructing multilayer PPI network may provide clues to the particular developmental role at ...
q-bio/0501013
Anthonie Muller
Anthonie W. J. Muller
Thermosynthesis as energy source for the RNA World: a new model for the origin of life
12 pages, 6 figures; changes in text (minor) and 2 figures
null
null
null
q-bio.PE
null
The thermosynthesis concept, biological free energy gain from thermal cycling, is combined with the concept of the RNA World. The resulting overall origin of life model gives new explanations for the emergence of the genetic code and the ribosome. The first protein named pF1 obtains the energy to support the RNA worl...
[ { "created": "Tue, 11 Jan 2005 19:06:12 GMT", "version": "v1" }, { "created": "Wed, 30 Mar 2005 21:48:04 GMT", "version": "v2" } ]
2007-05-23
[ [ "Muller", "Anthonie W. J.", "" ] ]
The thermosynthesis concept, biological free energy gain from thermal cycling, is combined with the concept of the RNA World. The resulting overall origin of life model gives new explanations for the emergence of the genetic code and the ribosome. The first protein named pF1 obtains the energy to support the RNA world ...
1702.02510
Juan Abdon Miranda Correa
Juan Abdon Miranda-Correa and Mojtaba Khomami Abadi and Nicu Sebe and Ioannis Patras
AMIGOS: A Dataset for Affect, Personality and Mood Research on Individuals and Groups
14 pages, Transaction on Affective Computing
null
null
null
q-bio.NC cs.HC
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We present AMIGOS-- A dataset for Multimodal research of affect, personality traits and mood on Individuals and GrOupS. Different to other databases, we elicited affect using both short and long videos in two social contexts, one with individual viewers and one with groups of viewers. The database allows the multimod...
[ { "created": "Thu, 2 Feb 2017 08:04:47 GMT", "version": "v1" }, { "created": "Tue, 28 Mar 2017 14:27:10 GMT", "version": "v2" }, { "created": "Thu, 13 Apr 2017 16:10:00 GMT", "version": "v3" } ]
2017-04-14
[ [ "Miranda-Correa", "Juan Abdon", "" ], [ "Abadi", "Mojtaba Khomami", "" ], [ "Sebe", "Nicu", "" ], [ "Patras", "Ioannis", "" ] ]
We present AMIGOS-- A dataset for Multimodal research of affect, personality traits and mood on Individuals and GrOupS. Different to other databases, we elicited affect using both short and long videos in two social contexts, one with individual viewers and one with groups of viewers. The database allows the multimodal...
2008.08758
Affan Affan
Affan Affan and Tamer Inanc
Semi-Blind and l1 Robust System Identification for Anemia Management
Under-review at The Fifth IEEE/ACM conference on Connected Health: Applications, Systems and Engineering Technologies (CHASE) 2020
null
null
null
q-bio.QM cs.SY eess.SY
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Chronic diseases such as cancer, diabetes, heart diseases, chronic kidney disease (CKD) require a drug management system that ensures a stable and robust output of the patient's condition in response to drug dosage. In the case of CKD, the patients suffer from the deficiency of red blood cell count and external human...
[ { "created": "Thu, 20 Aug 2020 03:50:10 GMT", "version": "v1" } ]
2020-08-21
[ [ "Affan", "Affan", "" ], [ "Inanc", "Tamer", "" ] ]
Chronic diseases such as cancer, diabetes, heart diseases, chronic kidney disease (CKD) require a drug management system that ensures a stable and robust output of the patient's condition in response to drug dosage. In the case of CKD, the patients suffer from the deficiency of red blood cell count and external human r...
1111.6916
Nilima Nigam
Marc Ryser, Svetlana V. Komarova, Nilima Nigam
The cellular dynamics of bone remodeling: a mathematical model
null
SIAM J. Appl. Math. 70, pp. 1899-1921
null
null
q-bio.TO
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The mechanical properties of vertebrate bone are largely determined by a process which involves the complex interplay of three different cell types. This process is called {\it bone remodeling}, and occurs asynchronously at multiple sites in the mature skeleton. The cells involved are bone resorbing osteoclasts, bone...
[ { "created": "Sun, 27 Nov 2011 21:43:03 GMT", "version": "v1" } ]
2011-11-30
[ [ "Ryser", "Marc", "" ], [ "Komarova", "Svetlana V.", "" ], [ "Nigam", "Nilima", "" ] ]
The mechanical properties of vertebrate bone are largely determined by a process which involves the complex interplay of three different cell types. This process is called {\it bone remodeling}, and occurs asynchronously at multiple sites in the mature skeleton. The cells involved are bone resorbing osteoclasts, bone m...
1111.6631
Arash Sangari Mr.
Arash Sangari, Adel Ardalan, Larry Lambe, Hamid Eghbalnia and Amir H. Assadi
Mathematical Analysis and Computational Integration of Massive Heterogeneous Data from the Human Retina
9 pages, 3 figures, submitted and accepted in Damor2012 conference: http://www.uninova.pt/damor2012/index.php?page=authors
null
null
null
q-bio.QM cs.IR math.SP
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Modern epidemiology integrates knowledge from heterogeneous collections of data consisting of numerical, descriptive and imaging. Large-scale epidemiological studies use sophisticated statistical analysis, mathematical models using differential equations and versatile analytic tools that handle numerical data. In con...
[ { "created": "Mon, 28 Nov 2011 22:01:19 GMT", "version": "v1" }, { "created": "Wed, 10 Oct 2012 19:52:29 GMT", "version": "v2" } ]
2012-10-11
[ [ "Sangari", "Arash", "" ], [ "Ardalan", "Adel", "" ], [ "Lambe", "Larry", "" ], [ "Eghbalnia", "Hamid", "" ], [ "Assadi", "Amir H.", "" ] ]
Modern epidemiology integrates knowledge from heterogeneous collections of data consisting of numerical, descriptive and imaging. Large-scale epidemiological studies use sophisticated statistical analysis, mathematical models using differential equations and versatile analytic tools that handle numerical data. In contr...
1411.2103
Michael Schaub
Yazan N. Billeh, Michael T. Schaub, Costas A. Anastassiou, Mauricio Barahona, Christof Koch
Revealing cell assemblies at multiple levels of granularity
18 pages; 13 Figures; published as open access in J Neuro Methods
Journal of Neuroscience Methods, Volume 236, 30 October 2014, Pages 92-106, ISSN 0165-0270
10.1016/j.jneumeth.2014.08.011
null
q-bio.NC physics.data-an
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Background: Current neuronal monitoring techniques, such as calcium imaging and multi-electrode arrays, enable recordings of spiking activity from hundreds of neurons simultaneously. Of primary importance in systems neuroscience is the identification of cell assemblies: groups of neurons that cooperate in some form w...
[ { "created": "Sat, 8 Nov 2014 10:02:33 GMT", "version": "v1" } ]
2014-11-11
[ [ "Billeh", "Yazan N.", "" ], [ "Schaub", "Michael T.", "" ], [ "Anastassiou", "Costas A.", "" ], [ "Barahona", "Mauricio", "" ], [ "Koch", "Christof", "" ] ]
Background: Current neuronal monitoring techniques, such as calcium imaging and multi-electrode arrays, enable recordings of spiking activity from hundreds of neurons simultaneously. Of primary importance in systems neuroscience is the identification of cell assemblies: groups of neurons that cooperate in some form wit...
1510.05917
Gestionnaire Hal-Upmc
Genevi\'eve Rodier (IGMM, IRCM), Olivier Kirsh (IGMM), Mart\'in Baraibar (B2A), Thibault Houl\'es (IGMM, IPBS, IRCM), Matthieu Lacroix (UTA, IRCM), H\'el\'ene Delpech (IGMM, IRCM), Elodie Hatchi (IGMM), St\'ephanie Arnould (IGMM, IRCM), Dany Severac, Emeric Dubois, Julie Caramel (IGMM), Eric Julien (IGMM, IRCM)...
The Transcription Factor E4F1 Coordinates CHK1-Dependent Checkpoint and Mitochondrial Functions
null
Cell Reports, Elsevier, 2015, 11 (2), pp.220-233. \<10.1016/j.celrep.2015.03.024\>
10.1016/j.celrep.2015.03.024
null
q-bio.GN
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Recent data support the notion that a group of key transcriptional regulators involved in tumorigenesis, including MYC, p53, E2F1, and BMI1, share an intriguing capacity to simultaneously regulate metabolism and cell cycle. Here, we show that another factor, the multifunctional protein E4F1, directly controls genes i...
[ { "created": "Wed, 14 Oct 2015 13:28:27 GMT", "version": "v1" } ]
2015-10-21
[ [ "Rodier", "Geneviéve", "", "IGMM, IRCM" ], [ "Kirsh", "Olivier", "", "IGMM" ], [ "Baraibar", "Martín", "", "B2A" ], [ "Houlés", "Thibault", "", "IGMM, IPBS, IRCM" ], [ "Lacroix", "Matthieu", "", "UTA,\n IRCM" ], [...
Recent data support the notion that a group of key transcriptional regulators involved in tumorigenesis, including MYC, p53, E2F1, and BMI1, share an intriguing capacity to simultaneously regulate metabolism and cell cycle. Here, we show that another factor, the multifunctional protein E4F1, directly controls genes inv...
2310.09529
Katherine Ge
Katherine Ge, Dayna Olson, and Michel F. Sanner
Docking Peptides into HIV/FIV Protease with Deep Learning and Focused Peptide Docking Methods
9 Pages, 5 Figures, 2 Tables
null
null
null
q-bio.QM
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Molecular docking is a structure-based computational drug design technique for predicting the interaction between a small molecule (ligand) and a macromolecule (receptor). Over the past three decades various docking software programs have been developed, mostly for drug-like molecules. With the recent interest in pep...
[ { "created": "Sat, 14 Oct 2023 08:14:54 GMT", "version": "v1" } ]
2023-10-18
[ [ "Ge", "Katherine", "" ], [ "Olson", "Dayna", "" ], [ "Sanner", "Michel F.", "" ] ]
Molecular docking is a structure-based computational drug design technique for predicting the interaction between a small molecule (ligand) and a macromolecule (receptor). Over the past three decades various docking software programs have been developed, mostly for drug-like molecules. With the recent interest in pepti...
2311.09261
Yongqi Zhang
Yongqi Zhang, Quanming Yao, Ling Yue, Xian Wu, Ziheng Zhang, Zhenxi Lin, Yefeng Zheng
Emerging Drug Interaction Prediction Enabled by Flow-based Graph Neural Network with Biomedical Network
Accepted by Nature Computational Science
null
null
null
q-bio.QM cs.AI cs.CE cs.LG
http://creativecommons.org/licenses/by/4.0/
Accurately predicting drug-drug interactions (DDI) for emerging drugs, which offer possibilities for treating and alleviating diseases, with computational methods can improve patient care and contribute to efficient drug development. However, many existing computational methods require large amounts of known DDI info...
[ { "created": "Wed, 15 Nov 2023 06:34:00 GMT", "version": "v1" } ]
2023-11-17
[ [ "Zhang", "Yongqi", "" ], [ "Yao", "Quanming", "" ], [ "Yue", "Ling", "" ], [ "Wu", "Xian", "" ], [ "Zhang", "Ziheng", "" ], [ "Lin", "Zhenxi", "" ], [ "Zheng", "Yefeng", "" ] ]
Accurately predicting drug-drug interactions (DDI) for emerging drugs, which offer possibilities for treating and alleviating diseases, with computational methods can improve patient care and contribute to efficient drug development. However, many existing computational methods require large amounts of known DDI inform...
1403.2160
Tiberiu Harko
Tiberiu Harko, Francisco S. N. Lobo, M. K. Mak
Exact analytical solutions of the Susceptible-Infected-Recovered (SIR) epidemic model and of the SIR model with equal death and birth rates
13 pages, 4 figures, accepted for publication in Applied Mathematics and Computation
Applied Mathematics and Computation, 236, 2014, 184-194
10.1016/j.amc.2014.03.030
null
q-bio.PE nlin.CD
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
In this paper, the exact analytical solution of the Susceptible-Infected-Recovered (SIR) epidemic model is obtained in a parametric form. By using the exact solution we investigate some explicit models corresponding to fixed values of the parameters, and show that the numerical solution reproduces exactly the analyti...
[ { "created": "Mon, 10 Mar 2014 08:21:07 GMT", "version": "v1" } ]
2014-04-24
[ [ "Harko", "Tiberiu", "" ], [ "Lobo", "Francisco S. N.", "" ], [ "Mak", "M. K.", "" ] ]
In this paper, the exact analytical solution of the Susceptible-Infected-Recovered (SIR) epidemic model is obtained in a parametric form. By using the exact solution we investigate some explicit models corresponding to fixed values of the parameters, and show that the numerical solution reproduces exactly the analytica...
1703.00226
Thierry Mora
Jonathan Desponds, Andreas Mayer, Thierry Mora, Aleksandra M. Walczak
Population dynamics of immune repertoires
null
null
null
null
q-bio.PE
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The evolution of the adaptive immune system is characterized by changes in the relative abundances of the B- and T-cell clones that make up its repertoires. To fully capture this evolution, we need to describe the complex dynamics of the response to pathogenic and self-antigenic stimulations, as well as the statistic...
[ { "created": "Wed, 1 Mar 2017 10:54:59 GMT", "version": "v1" } ]
2017-03-02
[ [ "Desponds", "Jonathan", "" ], [ "Mayer", "Andreas", "" ], [ "Mora", "Thierry", "" ], [ "Walczak", "Aleksandra M.", "" ] ]
The evolution of the adaptive immune system is characterized by changes in the relative abundances of the B- and T-cell clones that make up its repertoires. To fully capture this evolution, we need to describe the complex dynamics of the response to pathogenic and self-antigenic stimulations, as well as the statistics ...
2006.13752
Paulo Zingano
Paulo R. Zingano, Janaina P. Zingano, Alessandra M. Silva and Carolina P. Zingano
A matlab code to compute reproduction numbers with applications to the Covid-19 outbreak
A complete matlab program (with about 500 lines) implementing the algorithm described in this work can be downloaded for free at the following URL address: https://drive.google.com/drive/folders/16kLxlZyqH-QATOLQI6QWTx7qZnL3IoCP
null
null
null
q-bio.PE physics.soc-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We discuss the generation of various reproduction ratios or numbers that are very useful to monitor an ongoing epidemic like Covid-19 and examine the effects of intervention measures. A detailed SEIR algorithm is described for their computation, with applications given to the current Covid-19 outbreaks in a number of...
[ { "created": "Tue, 23 Jun 2020 17:57:28 GMT", "version": "v1" } ]
2020-06-25
[ [ "Zingano", "Paulo R.", "" ], [ "Zingano", "Janaina P.", "" ], [ "Silva", "Alessandra M.", "" ], [ "Zingano", "Carolina P.", "" ] ]
We discuss the generation of various reproduction ratios or numbers that are very useful to monitor an ongoing epidemic like Covid-19 and examine the effects of intervention measures. A detailed SEIR algorithm is described for their computation, with applications given to the current Covid-19 outbreaks in a number of c...
1902.01574
Tzvetomir Tzvetanov
Tzvetomir Tzvetanov
Suppression and facilitation of motion perception in humans: a reply to Schallmo & Murray (2018)
9 pages
null
null
null
q-bio.NC
http://creativecommons.org/licenses/by-nc-sa/4.0/
In a recent publication (Tzvetanov (2018), bioRxiv 465807), I made an extensive analysis with computational modelling and psychophysics of the simple experimental design of Dr. D.Tadin (Tadin, Lappin, Gilroy and Blake (2003), Nature, 424:312-315) about motion perception changes in humans due to size and contrast of t...
[ { "created": "Tue, 5 Feb 2019 07:34:35 GMT", "version": "v1" } ]
2019-02-06
[ [ "Tzvetanov", "Tzvetomir", "" ] ]
In a recent publication (Tzvetanov (2018), bioRxiv 465807), I made an extensive analysis with computational modelling and psychophysics of the simple experimental design of Dr. D.Tadin (Tadin, Lappin, Gilroy and Blake (2003), Nature, 424:312-315) about motion perception changes in humans due to size and contrast of the...
2103.06256
Perrine Paul-Gilloteaux
Guillaume Potier, Fr\'ed\'eric Lavancier, Stephan Kunne and Perrine Paul-Gilloteaux
A registration error estimation framework for correlative imaging
10 pages 2 figures (made of 10 panels in total)
null
10.1109/ICIP42928.2021.9506474
null
q-bio.QM cs.CV
http://creativecommons.org/licenses/by-nc-sa/4.0/
Correlative imaging workflows are now widely used in bioimaging and aims to image the same sample using at least two different and complementary imaging modalities. Part of the workflow relies on finding the transformation linking a source image to a target image. We are specifically interested in the estimation of r...
[ { "created": "Wed, 10 Mar 2021 18:43:18 GMT", "version": "v1" } ]
2021-08-30
[ [ "Potier", "Guillaume", "" ], [ "Lavancier", "Frédéric", "" ], [ "Kunne", "Stephan", "" ], [ "Paul-Gilloteaux", "Perrine", "" ] ]
Correlative imaging workflows are now widely used in bioimaging and aims to image the same sample using at least two different and complementary imaging modalities. Part of the workflow relies on finding the transformation linking a source image to a target image. We are specifically interested in the estimation of reg...
2012.05045
Anindita Bhadra
Debottam Bhattacharjee and Anindita Bhadra
Response to sudden surge in human movement by an urban-adapted animal
1 figure
Behav Ecol Sociobiol 75, 111 (2021)
10.1007/s00265-021-03052-x
null
q-bio.PE
http://creativecommons.org/licenses/by/4.0/
Interaction with its immediate environment determines the ecology of an organism. Species present in any habitat, wild or urban, may face extreme pressure due to sudden perturbations. When such disturbances are unpredictable, it becomes more challenging to tackle. Implementation of specific strategies is therefore es...
[ { "created": "Mon, 7 Dec 2020 12:27:34 GMT", "version": "v1" } ]
2022-08-12
[ [ "Bhattacharjee", "Debottam", "" ], [ "Bhadra", "Anindita", "" ] ]
Interaction with its immediate environment determines the ecology of an organism. Species present in any habitat, wild or urban, may face extreme pressure due to sudden perturbations. When such disturbances are unpredictable, it becomes more challenging to tackle. Implementation of specific strategies is therefore esse...
2407.07114
Josh Morgan
Josh L. Morgan
Alternatives to the statistical mass confusion of testing for no-effect
13 pages, 1 figure
null
null
null
q-bio.OT
http://creativecommons.org/licenses/by/4.0/
Statisticians and researchers have argued about the merits of effect size estimation relative to hypothesis testing for decades. Cell biology has largely avoided this debate and is now in a quantitation crisis. In experimental cell biology, statistical analysis has grown to mean testing the null hypothesis that there...
[ { "created": "Fri, 28 Jun 2024 00:08:38 GMT", "version": "v1" } ]
2024-07-11
[ [ "Morgan", "Josh L.", "" ] ]
Statisticians and researchers have argued about the merits of effect size estimation relative to hypothesis testing for decades. Cell biology has largely avoided this debate and is now in a quantitation crisis. In experimental cell biology, statistical analysis has grown to mean testing the null hypothesis that there w...
2009.12023
Alessandro Sanzeni
Alessandro Sanzeni and Mark H Histed and Nicolas Brunel
Emergence of irregular activity in networks of strongly coupled conductance-based neurons
null
null
null
null
q-bio.NC physics.bio-ph
http://creativecommons.org/licenses/by-nc-sa/4.0/
Cortical neurons are characterized by irregular firing and a broad distribution of rates. The balanced state model explains these observations with a cancellation of mean excitatory and inhibitory currents, which makes fluctuations drive firing. In networks of neurons with current-based synapses, the balanced state e...
[ { "created": "Fri, 25 Sep 2020 04:05:22 GMT", "version": "v1" }, { "created": "Tue, 13 Oct 2020 22:02:23 GMT", "version": "v2" } ]
2020-10-15
[ [ "Sanzeni", "Alessandro", "" ], [ "Histed", "Mark H", "" ], [ "Brunel", "Nicolas", "" ] ]
Cortical neurons are characterized by irregular firing and a broad distribution of rates. The balanced state model explains these observations with a cancellation of mean excitatory and inhibitory currents, which makes fluctuations drive firing. In networks of neurons with current-based synapses, the balanced state eme...
2003.09796
Jun Chen
Jun Chen, Komi Messan, Marisabel Rodriguez Messan, Gloria DeGrandi-Hoffman, Dingyong Bai, Yun Kang
How to model honeybee population dynamics: stage structure and seasonality
null
null
null
null
q-bio.PE math.DS
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Western honeybees (Apis Mellifera) serve extremely important roles in our ecosystem and economics as they are responsible for pollinating $ 215 billion dollars annually over the world. Unfortunately, honeybee population and their colonies have been declined dramatically. The purpose of this article is to explore how ...
[ { "created": "Sun, 22 Mar 2020 03:34:49 GMT", "version": "v1" } ]
2020-03-24
[ [ "Chen", "Jun", "" ], [ "Messan", "Komi", "" ], [ "Messan", "Marisabel Rodriguez", "" ], [ "DeGrandi-Hoffman", "Gloria", "" ], [ "Bai", "Dingyong", "" ], [ "Kang", "Yun", "" ] ]
Western honeybees (Apis Mellifera) serve extremely important roles in our ecosystem and economics as they are responsible for pollinating $ 215 billion dollars annually over the world. Unfortunately, honeybee population and their colonies have been declined dramatically. The purpose of this article is to explore how we...
1301.6561
Alexey Mikaberidze
Alexey Mikaberidze, Bruce A. McDonald, Sebastian Bonhoeffer
Can high risk fungicides be used in mixtures without selecting for fungicide resistance?
51 pages, 6 figures, accepted for publication in Phytopathology
null
10.1094/PHYTO-07-13-0204-R
null
q-bio.PE
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Fungicide mixtures produced by the agrochemical industry often contain low-risk fungicides, to which fungal pathogens are fully sensitive, together with high-risk fungicides known to be prone to fungicide resistance. Can these mixtures provide adequate disease control while minimizing the risk for the development of ...
[ { "created": "Mon, 28 Jan 2013 14:42:46 GMT", "version": "v1" }, { "created": "Fri, 20 Sep 2013 08:59:21 GMT", "version": "v2" } ]
2013-09-23
[ [ "Mikaberidze", "Alexey", "" ], [ "McDonald", "Bruce A.", "" ], [ "Bonhoeffer", "Sebastian", "" ] ]
Fungicide mixtures produced by the agrochemical industry often contain low-risk fungicides, to which fungal pathogens are fully sensitive, together with high-risk fungicides known to be prone to fungicide resistance. Can these mixtures provide adequate disease control while minimizing the risk for the development of re...
2009.03629
Jozef Skakala
Jozef Skakala and Paolo Lazzari
Low complexity model to study scale dependence of phytoplankton dynamics in the tropical Pacific
21 pages, 12 figures
Phys. Rev. E 103, 012401 (2021)
10.1103/PhysRevE.103.012401
null
q-bio.PE physics.ao-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We demonstrate that a simple model based on reaction-diffusion-advection (RDA) equation forced by realistic surface velocities and nutrients is skilled in reproducing the distributions of the surface phytoplankton chlorophyll in the tropical Pacific. We use the low-complexity RDA model to investigate the scale-relati...
[ { "created": "Tue, 8 Sep 2020 10:21:50 GMT", "version": "v1" }, { "created": "Mon, 11 Jan 2021 22:02:03 GMT", "version": "v2" } ]
2021-01-13
[ [ "Skakala", "Jozef", "" ], [ "Lazzari", "Paolo", "" ] ]
We demonstrate that a simple model based on reaction-diffusion-advection (RDA) equation forced by realistic surface velocities and nutrients is skilled in reproducing the distributions of the surface phytoplankton chlorophyll in the tropical Pacific. We use the low-complexity RDA model to investigate the scale-relation...
2010.00504
Sarah Marzen
Alexander Hsu and Sarah Marzen
Time cells might be optimized for predictive capacity, not redundancy reduction or memory capacity
null
null
10.1103/PhysRevE.102.062404
null
q-bio.NC
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Recently, researchers have found time cells in the hippocampus that appear to contain information about the timing of past events. Some researchers have argued that time cells are taking a Laplace transform of their input in order to reconstruct the past stimulus. We argue that stimulus prediction, not stimulus recon...
[ { "created": "Thu, 1 Oct 2020 15:53:43 GMT", "version": "v1" } ]
2020-12-30
[ [ "Hsu", "Alexander", "" ], [ "Marzen", "Sarah", "" ] ]
Recently, researchers have found time cells in the hippocampus that appear to contain information about the timing of past events. Some researchers have argued that time cells are taking a Laplace transform of their input in order to reconstruct the past stimulus. We argue that stimulus prediction, not stimulus reconst...
2311.09354
Kylie Trettner
Kylie J. Trettner, Jeremy Hsieh, Weikun Xiao, Jerry S.H. Lee, Andrea M. Armani
Nondestructive, quantitative viability analysis of 3D tissue cultures using machine learning image segmentation
52 total pages, Main text and SI included, 35 figures (5 main text, 30 supplemental), 9 tables, 6 datasets (provided on linked GitHub), linked image files on Zenodo
null
10.1063/5.0189222
null
q-bio.QM cs.LG eess.IV
http://creativecommons.org/licenses/by/4.0/
Ascertaining the collective viability of cells in different cell culture conditions has typically relied on averaging colorimetric indicators and is often reported out in simple binary readouts. Recent research has combined viability assessment techniques with image-based deep-learning models to automate the characte...
[ { "created": "Wed, 15 Nov 2023 20:28:31 GMT", "version": "v1" }, { "created": "Mon, 4 Mar 2024 21:43:02 GMT", "version": "v2" }, { "created": "Mon, 11 Mar 2024 22:12:25 GMT", "version": "v3" } ]
2024-04-03
[ [ "Trettner", "Kylie J.", "" ], [ "Hsieh", "Jeremy", "" ], [ "Xiao", "Weikun", "" ], [ "Lee", "Jerry S. H.", "" ], [ "Armani", "Andrea M.", "" ] ]
Ascertaining the collective viability of cells in different cell culture conditions has typically relied on averaging colorimetric indicators and is often reported out in simple binary readouts. Recent research has combined viability assessment techniques with image-based deep-learning models to automate the characteri...
1310.1593
Tomasz Rutkowski
Shota Kono, Daiki Aminaka, Shoji Makino, and Tomasz M. Rutkowski
EEG Signal Processing and Classification for the Novel Tactile-Force Brain-Computer Interface Paradigm
6 pages (in conference proceedings original version); 6 figures, submitted to The 9th International Conference on Signal Image Technology & Internet Based Systems, December 2-5, 2013, Kyoto, Japan; to be available at IEEE Xplore; IEEE Copyright 2013
Proceedings of the 9th International Conference on Signal Image Technology and Internet Based Systems, (Kyoto, Japan), pp. 812-817, IEEE Computer Society, December 3-5, 2013
10.1109/SITIS.2013.132
null
q-bio.NC cs.HC
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The presented study explores the extent to which tactile-force stimulus delivered to a hand holding a joystick can serve as a platform for a brain computer interface (BCI). The four pressure directions are used to evoke tactile brain potential responses, thus defining a tactile-force brain computer interface (tfBCI)....
[ { "created": "Sun, 6 Oct 2013 15:18:34 GMT", "version": "v1" }, { "created": "Thu, 17 Oct 2013 07:52:01 GMT", "version": "v2" } ]
2013-12-17
[ [ "Kono", "Shota", "" ], [ "Aminaka", "Daiki", "" ], [ "Makino", "Shoji", "" ], [ "Rutkowski", "Tomasz M.", "" ] ]
The presented study explores the extent to which tactile-force stimulus delivered to a hand holding a joystick can serve as a platform for a brain computer interface (BCI). The four pressure directions are used to evoke tactile brain potential responses, thus defining a tactile-force brain computer interface (tfBCI). W...
1608.06146
Sophie Kay
Sophie K. Kay, Heather A. Harrington, Sarah Shepherd, Keith Brennan, Trevor Dale, James M. Osborne, David J. Gavaghan and Helen M. Byrne
The Role of the Hes1 Crosstalk Hub in Notch-Wnt Interactions of the Intestinal Crypt
null
null
10.1371/journal.pcbi.1005400
null
q-bio.SC q-bio.CB q-bio.MN q-bio.QM
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The Notch pathway plays a vital role in determining whether cells in the intestinal epithelium adopt a secretory or an absorptive phenotype. Cell fate specification is coordinated via Notch's interaction with the canonical Wnt pathway. Here, we propose a new mathematical model of the Notch and Wnt pathways, in which ...
[ { "created": "Mon, 22 Aug 2016 12:32:08 GMT", "version": "v1" } ]
2017-04-12
[ [ "Kay", "Sophie K.", "" ], [ "Harrington", "Heather A.", "" ], [ "Shepherd", "Sarah", "" ], [ "Brennan", "Keith", "" ], [ "Dale", "Trevor", "" ], [ "Osborne", "James M.", "" ], [ "Gavaghan", "David J.", "" ...
The Notch pathway plays a vital role in determining whether cells in the intestinal epithelium adopt a secretory or an absorptive phenotype. Cell fate specification is coordinated via Notch's interaction with the canonical Wnt pathway. Here, we propose a new mathematical model of the Notch and Wnt pathways, in which th...
1310.2968
Tracy Heath
Tracy A. Heath, John P. Huelsenbeck, Tanja Stadler
The Fossilized Birth-Death Process: A Coherent Model of Fossil Calibration for Divergence Time Estimation
42 total pages including: 29 text pages, 5 tables, and 12 figures. Work presented at Evolution 2013 (http://www.slideshare.net/trayc7/heath-evolution-2013)
null
10.1073/pnas.1319091111
null
q-bio.PE
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Time-calibrated species phylogenies are critical for addressing a wide range of questions in evolutionary biology, such as those that elucidate historical biogeography or uncover patterns of coevolution and diversification. Because molecular sequence data are not informative on absolute time, external data, most comm...
[ { "created": "Thu, 10 Oct 2013 22:04:03 GMT", "version": "v1" }, { "created": "Fri, 18 Oct 2013 20:48:23 GMT", "version": "v2" } ]
2014-07-11
[ [ "Heath", "Tracy A.", "" ], [ "Huelsenbeck", "John P.", "" ], [ "Stadler", "Tanja", "" ] ]
Time-calibrated species phylogenies are critical for addressing a wide range of questions in evolutionary biology, such as those that elucidate historical biogeography or uncover patterns of coevolution and diversification. Because molecular sequence data are not informative on absolute time, external data, most common...
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