6,708 results found
    1. Evolutionary Biology
    2. Genetics and Genomics

    Barcoded bulk QTL mapping reveals highly polygenic and epistatic architecture of complex traits in yeast

    Alex N Nguyen Ba, Katherine R Lawrence ... Michael M Desai
    A bulk barcoded quantitative trait locus approach increases the power and resolution of genotype-phenotype mapping in yeast, revealing that the genetic architecture of 18 complex traits is highly polygenic, and is characterized by widespread epistatic interactions and pleiotropic effects.
    1. Evolutionary Biology
    2. Genetics and Genomics

    Broad-scale variation in human genetic diversity levels is predicted by purifying selection on coding and non-coding elements

    David A Murphy, Eyal Elyashiv ... Guy Sella
    Background selection is shown to be the dominant mode of linked selection in humans, with marked effects on diversity levels throughout autosomes.
    1. Cell Biology
    2. Computational and Systems Biology

    A positive-feedback-based mechanism for constriction rate acceleration during cytokinesis in Caenorhabditis elegans

    Renat N Khaliullin, Rebecca A Green ... Karen Oegema
    Positive feedback between contractile ring myosin and compression-driven cortical flow can explain the exponential accumulation of contractile ring components and constriction rate acceleration that ensures timely cell separation during cytokinesis.
    1. Developmental Biology
    2. Genetics and Genomics

    Determining the effects of paternal obesity on sperm chromatin at histone H3 lysine 4 tri-methylation in relation to the placental transcriptome and cellular composition

    Anne-Sophie Pepin, Patrycja A Jazwiec ... Sarah Kimmins
    Epigenomic and transcriptomic analysis reveals that paternal obesity influences sperm histone H3 lysine 4 tri-methylation enrichment and placenta gene expression, which in turn negatively impact its development and function in a manner that may contribute to metabolic disease in offspring.
    1. Computational and Systems Biology
    2. Developmental Biology

    A quantitative modelling approach to zebrafish pigment pattern formation

    Jennifer P Owen, Robert N Kelsh, Christian A Yates
    A mathematical modelling approach to understanding zebrafish stripe pattern formation exemplifies a biological rule-set sufficient to generate wild-type and a diverse range of mutant patterns.
    1. Neuroscience

    Functional brain reconfiguration during sustained pain

    Jae-Joong Lee, Sungwoo Lee ... Choong-Wan Woo
    Human neuroimaging with time-evolving network analysis reveals dynamic interactions among multiple functional brain networks in response to sustained pain.
    1. Neuroscience

    Neural population dynamics of computing with synaptic modulations

    Kyle Aitken, Stefan Mihalas
    Synaptic modulations alone imbue networks with computational capabilities comparable to recurrent connections on several neuroscience-relevant tasks, which manifest in fundamentally different neuronal dynamics.
    1. Neuroscience

    A Statistical Framework for Analysis of Trial-Level Temporal Dynamics in Fiber Photometry Experiments

    Gabriel Loewinger, Erjia Cui ... Francisco Pereira
    Revised
    Reviewed Preprint v2
    Updated
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    1. Developmental Biology
    2. Physics of Living Systems

    The geometric basis of epithelial convergent extension

    Fridtjof Brauns, Nikolas H Claussen ... Boris I Shraiman
    Active and passive contributions to cell shape change and rearrangements can be distinguished from observed cell geometry, revealing the self-organization mechanisms underlying internally-driven epithelial convergent extension.
    1. Physics of Living Systems
    2. Structural Biology and Molecular Biophysics

    Proofreading through spatial gradients

    Vahe Galstyan, Kabir Husain ... Rob Phillips
    Theoretical study shows how enzymes can achieve substrate proofreading by taking advantage of existing molecular gradients in the cell while not being endowed with structural features typically required for proofreading.

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