3,334 results found
    1. Neuroscience

    Experience-dependent shaping of hippocampal CA1 intracellular activity in novel and familiar environments

    Jeremy D Cohen, Mark Bolstad, Albert K Lee
    Comparison of the intracellular activity of hippocampal neurons in novel and familiar environments reveals experience-dependent changes in inputs underlying the formation of stable representations of space.
    1. Neuroscience

    Representational untangling by the firing rate nonlinearity in V1 simple cells

    Merse E Gáspár, Pierre-Olivier Polack ... Gergő Orbán
    Firing rate nonlinearity recovers linear decodability of orientation information from simple cells of the primary visual cortex under uncertainty of nuisance parameters phase and spatial frequency.
    1. Neuroscience

    The trajectory of cortical GABA across the lifespan, an individual participant data meta-analysis of edited MRS studies

    Eric C Porges, Greg Jensen ... Nicolaas AJ Puts
    Individual participant data meta-analysis reveals the estimated lifespan trajectory of cortical GABA, characterized by an early rapid increase, followed by a period of stability during early adulthood, and a gradual decrease.
    1. Physics of Living Systems

    How to assemble a scale-invariant gradient

    Arnab Datta, Sagnik Ghosh, Jane Kondev
    Intracellular protein gradients, which are formed by the combined action of cytoplasmic diffusion and cortical transport toward the cell pole, are solely determined by cell shape.
    1. Genetics and Genomics
    2. Microbiology and Infectious Disease

    A high-throughput cytotoxicity screening platform reveals agr-independent mutations in bacteraemia-associated Staphylococcus aureus that promote intracellular persistence

    Abderrahman Hachani, Stefano G Giulieri ... Timothy P Stinear
    Staphylococcus aureus switches from innocuous coloniser to invasive human pathogen, the bacterial population can accumulate pathoadaptive mutations that reduce bacterial toxicity whilst allowing persistence within infected cells, potentially leading to severe human infections.
    1. Cell Biology
    2. Developmental Biology

    Mitotic spindle scaling during Xenopus development by kif2a and importin α

    Jeremy D Wilbur, Rebecca Heald
    An interaction between two proteins enables the spindle—the structure that segregates chromosome pairs during mitosis—to change size as cells divide.
    1. Neuroscience

    GABAergic synaptic scaling is triggered by changes in spiking activity rather than AMPA receptor activation

    Carlos Gonzalez-Islas, Zahraa Sabra ... Peter Wenner
    Chronic perturbations of spiking activity trigger compensatory changes in GABAergic synaptic strength, but not compensatory changes in AMPAergic synaptic strength.
    1. Cell Biology
    2. Physics of Living Systems

    Physical basis of the cell size scaling laws

    Romain Rollin, Jean-François Joanny, Pierre Sens
    A theoretical model explains how protein density and nuclear to cell volume ratio are maintained during cell growth, discusses conditions under which this breaks down, and highlights the importance of metabolites, mainly amino acids such as glutamate, in this homeostasis.
    1. Cell Biology

    Mitosis: Developing cell biology

    Daniel Needleman
    Version of Record
    Insight
    1. Cell Biology

    A pH-driven transition of the cytoplasm from a fluid- to a solid-like state promotes entry into dormancy

    Matthias Christoph Munder, Daniel Midtvedt ... Simon Alberti
    The cytoplasm behaves as an adaptable fluid that can reversibly transition into a protective solid-like state upon stress.

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