Search Results - "Khatri, Bhavin S"
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Comparison of loop extrusion and diffusion capture as mitotic chromosome formation pathways in fission yeast
Published in Nucleic acids research (22-02-2021)“…Underlying higher order chromatin organization are Structural Maintenance of Chromosomes (SMC) complexes, large protein rings that entrap DNA. The molecular…”
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Biophysics and population size constrains speciation in an evolutionary model of developmental system drift
Published in PLoS computational biology (01-07-2019)“…Developmental system drift is a likely mechanism for the origin of hybrid incompatibilities between closely related species. We examine here the detailed…”
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Fission yeast condensin contributes to interphase chromatin organization and prevents transcription-coupled DNA damage
Published in Genome Biology (05-11-2020)“…Structural maintenance of chromosomes (SMC) complexes are central organizers of chromatin architecture throughout the cell cycle. The SMC family member…”
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Optimal chemotactic responses in stochastic environments
Published in PloS one (23-06-2017)“…Although the "adaptive" strategy used by Escherichia coli has dominated our understanding of bacterial chemotaxis, the environmental conditions under which…”
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A theory of resistance to multiplexed gene drive demonstrates the significant role of weakly deleterious natural genetic variation
Published in Proceedings of the National Academy of Sciences - PNAS (09-08-2022)“…Evolution of resistance is a major barrier to successful deployment of gene-drive systems to suppress natural populations, which could greatly reduce the…”
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Entropy and Barrier-Controlled Fluctuations Determine Conformational Viscoelasticity of Single Biomolecules
Published in Biophysical journal (15-03-2007)“…Biological macromolecules have complex and nontrivial energy landscapes, endowing them with a unique conformational adaptability and diversity in function…”
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Robust Estimation of Recent Effective Population Size from Number of Independent Origins in Soft Sweeps
Published in Molecular biology and evolution (01-09-2019)“…Abstract Estimating recent effective population size is of great importance in characterizing and predicting the evolution of natural populations. Methods…”
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Dynamics of the Coiled-Coil Unfolding Transition of Myosin Rod Probed by Dissipation Force Spectrum
Published in Biophysical journal (07-07-2010)“…The motor protein myosin II plays a crucial role in muscle contraction. The mechanical properties of its coiled-coil region, the myosin rod, are important for…”
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Quantifying evolutionary dynamics from variant-frequency time series
Published in Scientific reports (12-09-2016)“…From Kimura’s neutral theory of protein evolution to Hubbell’s neutral theory of biodiversity, quantifying the relative importance of neutrality versus…”
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Statistical mechanics of convergent evolution in spatial patterning
Published in Proceedings of the National Academy of Sciences - PNAS (16-06-2009)“…We explore how the genotype-phenotype map determines convergent evolution in a simple model of spatial gene regulation during development. Evolution is…”
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Internal friction of single polypeptide chains at high stretch
Published in Faraday discussions (01-01-2008)“…Experiments that measure the viscoelasticity of single molecules from the Brownian fluctuations of an atomic force microscope (AFM) have provided a new window…”
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Simple Biophysical Model Predicts Faster Accumulation of Hybrid Incompatibilities in Small Populations Under Stabilizing Selection
Published in Genetics (Austin) (01-12-2015)“…Speciation is fundamental to the process of generating the huge diversity of life on Earth. However, we are yet to have a clear understanding of its…”
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Viscoelastic Measurements of Single Molecules on a Millisecond Time Scale by Magnetically Driven Oscillation of an Atomic Force Microscope Cantilever
Published in Langmuir (10-05-2005)“…The dynamical nature of biomolecular systems means that knowledge of their viscoelastic behavior is important in fully understanding function. The linear…”
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From genotypes to organisms: State-of-the-art and perspectives of a cornerstone in evolutionary dynamics
Published in Physics of life reviews (01-09-2021)“…•Understanding of how genotypes map onto molecular phenotypes and organismal functions is partial.•The networked organization of genotype-phenotype (GP) maps…”
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A coarse-grained biophysical model of sequence evolution and the population size dependence of the speciation rate
Published in Journal of theoretical biology (07-08-2015)“…Speciation is fundamental to understanding the huge diversity of life on Earth. Although still controversial, empirical evidence suggests that the rate of…”
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Multiple-Line Inference of Selection on Quantitative Traits
Published in Genetics (Austin) (01-09-2015)“…Trait differences between species may be attributable to natural selection. However, quantifying the strength of evidence for selection acting on a particular…”
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Viscoelastic Properties of Single Poly(ethylene glycol) Molecules
Published in Chemphyschem (11-08-2006)“…The viscoelastic properties of single poly(ethylene glycol) (PEG) molecules were measured by analysis of thermally and magnetically driven oscillations of an…”
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Rouse Model with Internal Friction: A Coarse Grained Framework for Single Biopolymer Dynamics
Published in Macromolecules (04-09-2007)“…Recent work has highlighted an intimate link between the internal friction of single biopolymers and dynamics on an underlying energy landscape of…”
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Oscillating microbial dynamics driven by small populations, limited nutrient supply and high death rates
Published in Journal of theoretical biology (07-12-2012)“…Predicting and controlling the behaviour of microbial ecosystems demands a fundamental understanding of the factors controlling their dynamics. In the natural…”
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