323 results found
    1. Structural Biology and Molecular Biophysics
    2. Cell Biology

    Autocatalytic microtubule nucleation determines the size and mass of Xenopus laevis egg extract spindles

    Franziska Decker et al.
    Quantitative microscopy and theory show that the size of Xenopus laevis egg extract spindles is controlled by a spatially-regulated autocatalytic growth mechanism driven by microtubule-stimulated microtubule nucleation.
    1. Microbiology and Infectious Disease

    Adaptive tuning of mutation rates allows fast response to lethal stress in Escherichia coli

    Toon Swings et al.
    Population mutation rates are highly flexible and evolvable under extreme stress conditions, matching changes in selective pressure to avoid extinction of the entire population.
    1. Neuroscience

    Spatiotemporal dynamics of multi-vesicular release is determined by heterogeneity of release sites within central synapses

    Dario Maschi, Vitaly A Klyachko
    Release site heterogeneity represents a previously unknown level of structural and functional organization within individual active zones in central synapses, which determines the spatiotemporal dynamics of multi-vesicular release.
    1. Developmental Biology
    2. Genetics and Genomics

    Combinatorial chromatin dynamics foster accurate cardiopharyngeal fate choices

    Claudia Racioppi et al.
    ATAC-seq, CRISPR/Cas9 mutagenesis, reporter and gene expression assays revealed dynamic chromatin accessibility profiles governing differential gene expression during heart vs. pharyngeal muscle fate choices in the powerful chordate model Ciona.
    1. Human Biology and Medicine

    Loss of adaptive capacity in asthmatic patients revealed by biomarker fluctuation dynamics after rhinovirus challenge

    Anirban Sinha et al.
    Fluctuation of biomarkers is a novel way of studying system stability during stable and unstable states of health and disease, revealing the systems' ability to cope with external perturbations.
    1. Neuroscience

    Unsupervised discovery of temporal sequences in high-dimensional datasets, with applications to neuroscience

    Emily L Mackevicius et al.
    Building on simple unsupervised matrix factorization techniques, the seqNMF algorithm successfully recovers neural sequences in a wide range of simulated and real datasets.
    1. Human Biology and Medicine
    2. Neuroscience

    Family history of Alzheimer’s disease alters cognition and is modified by medical and genetic factors

    Joshua S Talboom et al.
    An internet-based cohort study of paired associate learning shows that a first-degree family history of dementia is associated with lowered performance, an effect modified by apolipoprotein E genotype and diabetes.
    1. Immunology and Inflammation

    Synergy and remarkable specificity of antimicrobial peptides in vivo using a systematic knockout approach

    Mark Austin Hanson et al.
    While antimicrobial cocktails are highly effective for defence against pathogenic microbes, the innate immune response may instead employ highly specific peptidic antibiotics to combat certain natural enemies.
    1. Epidemiology and Global Health
    2. Microbiology and Infectious Disease

    Resistome diversity in cattle and the environment decreases during beef production

    Noelle R Noyes et al.
    Interventions in feedlots and abattoirs place selective pressure on the beef cattle resistome, which differentially impacts the public health risk of antimicrobial resistance from beef production sources.
    1. Computational and Systems Biology
    2. Neuroscience

    Prediction of primary somatosensory neuron activity during active tactile exploration

    Dario Campagner et al.
    Primary trigeminal neurons encode rotational forces in awake mice as they explore an object with their whiskers, allowing accurate prediction of spiking during behaviour.

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