3,576 results found
    1. Physics of Living Systems
    2. Cell Biology

    Cortical flow aligns actin filaments to form a furrow

    Anne-Cecile Reymann, Fabio Staniscia ... Stephan W Grill
    Compressing the actomyosin network by cortical flow causes filaments to align and form a constricting ring.
    1. Cell Biology
    2. Developmental Biology

    Aurora A and cortical flows promote polarization and cytokinesis by inducing asymmetric ECT-2 accumulation

    Katrina M Longhini, Michael Glotzer
    Centrosomal Aurora A (AIR-1), together with cortical actomyosin flows, induces polarization of ECT-2, the activator of RHO-1, during polarization and cytokinesis, in order to promote furrow formation.
    1. Cell Biology
    2. Developmental Biology

    Asymmetric recruitment and actin-dependent cortical flows drive the neuroblast polarity cycle

    Chet Huan Oon, Kenneth E Prehoda
    Neural stem cells dynamically polarize through the stepwise activity of polarized cortical targeting and cortical flows that coalescence discontinuous cortical patches into an organized cap structure.
    1. Neuroscience

    More homogeneous capillary flow and oxygenation in deeper cortical layers correlate with increased oxygen extraction

    Baoqiang Li, Tatiana V Esipova ... Sava Sakadžić
    Resting-state capillary blood flow and oxygenation are more homogeneous in the deeper cortical layers, underpinning an important mechanism by which the microvascular network adapts to an increased local oxidative metabolism.
    1. Cell Biology

    ADF and cofilin-1 collaborate to promote cortical actin flow and the leader bleb-based migration of confined cells

    Maria F Ullo, Jeremy S Logue
    Fast amoeboid migrating cells require both cofilin-1 and ADF for fast actin turnover at 'leader bleb' necks.
    1. Cell Biology
    2. Physics of Living Systems

    Morphogenetic degeneracies in the actomyosin cortex

    Sundar Ram Naganathan, Sebastian Fürthauer ... Stephan W Grill
    Distinct molecular functions contribute to the same material property at larger scales leading to degenerate functionality.
    1. Neuroscience

    Fast and slow feedforward inhibitory circuits for cortical odor processing

    Norimitsu Suzuki, Malinda LS Tantirigama ... John M Bekkers
    In vivo whole-cell recordings in the piriform cortex show that two classes of layer 1 interneurons respond differently to odors, suggesting that these neurons provide kinetically distinctive types of odor-evoked feedforward inhibition.
    1. Neuroscience

    Lamina-specific cortical dynamics in human visual and sensorimotor cortices

    James J Bonaiuto, Sofie S Meyer ... Sven Bestmann
    Cortical oscillations in human MEG are lamina-specific, with low-frequency activity predominating in deep, and high-frequency activity in more superficial layers of sensory and motor cortices.
    1. Neuroscience

    Cortex-wide BOLD fMRI activity reflects locally-recorded slow oscillation-associated calcium waves

    Miriam Schwalm, Florian Schmid ... Albrecht Stroh
    Locally recorded calcium events related to slow wave activity show a global cortical fMRI BOLD correlate, establishing a direct relation between a basic neurophysiological signal and the macroscopic perspective of pre-clinical fMRI.
    1. Neuroscience

    Enhanced excitability of cortical neurons in low-divalent solutions is primarily mediated by altered voltage-dependence of voltage-gated sodium channels

    Briana J Martiszus, Timur Tsintsadze ... Stephen M Smith
    External calcium regulates neuronal excitability via its actions on voltage-gated sodium channels but not by regulating NALCN via the calcium-sensing receptor.

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