2,448 results found
    1. Cell Biology

    Dynein–Dynactin–NuMA clusters generate cortical spindle-pulling forces as a multi-arm ensemble

    Masako Okumura, Toyoaki Natsume ... Tomomi Kiyomitsu
    Optogenetic reconstitution reveals core functional modules and architecture of the cortical force-generating machinery in human cells.
    1. Cell Biology

    Cortical microtubule pulling forces contribute to the union of the parental genomes in the Caenorhabditis elegans zygote

    Griselda Velez-Aguilera, Batool Ossareh-Nazari ... Lionel Pintard
    Cortical microtubule pulling forces influence nuclear envelope breakdown, while nuclear envelope remodeling, particularly lamina depolymerization, impacts mitotic spindle length during mitosis.
    1. Cell Biology
    2. Physics of Living Systems

    Stoichiometric interactions explain spindle dynamics and scaling across 100 million years of nematode evolution

    Reza Farhadifar, Che-Hang Yu ... Daniel J Needleman
    Stoichiometric interactions between microtubules and cortical force-generators set spindle size, position and dynamics, and its scaling with cell size in nematode species.
    1. Cell Biology
    2. Neuroscience

    A scalable and modular automated pipeline for stitching of large electron microscopy datasets

    Gayathri Mahalingam, Russel Torres ... Nuno Macarico da Costa
    A novel image processing infrastructure that is capable of processing petascale datasets and can operate on both electron and light microscopy data.
    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. Neuroscience

    Cortical signatures of precision grip force control in children, adolescents, and adults

    Mikkel Malling Beck, Meaghan Elizabeth Spedden ... Jesper Lundbye-Jensen
    Precise motor control is supported by connectivity within a cortical grasping network from childhood to adulthood, but older individuals display more top-down control and superior motor performance compared to children.
    1. Cell Biology

    A two-step mechanism for the inactivation of microtubule organizing center function at the centrosome

    Jérémy Magescas, Jenny C Zonka, Jessica L Feldman
    The microtubule organizing potential of the centrosome is inactivated in a stepwise process through phosphatase activity and mechanical disruption to remove an aging matrix of proteins.
    1. Cell Biology
    2. Developmental Biology

    Optogenetic dissection of mitotic spindle positioning in vivo

    Lars-Eric Fielmich, Ruben Schmidt ... Sander van den Heuvel
    New germline gene expression, knockout, and optogenetic tools reveal essential roles for Gα-GPR-1,2/Pins as a regulatable membrane anchor and LIN-5/NuMA as an activator of cortical dynein in mitotic spindle positioning.
    1. Structural Biology and Molecular Biophysics
    2. Cell Biology

    Assembly and positioning of actomyosin rings by contractility and planar cell polarity

    Ivonne M Sehring, Pierre Recho ... Di Jiang
    Contractility wins over the polarity pathway in a tug-of-war to position a cytokinesis-like actomyosin ring at the equator of notochord cells.
    1. Neuroscience

    Transversal functional connectivity and scene-specific processing in the human entorhinal-hippocampal circuitry

    Xenia Grande, Magdalena M Sauvage ... David Berron
    The human entorhinal-hippocampal circuitry is characterized by an information-specific functional organization where two routes, that are preferentially connected to the parahippocampal cortex or the perirhinal and retrosplenial cortices, divide the entorhinal cortex as well as hippocampal subiculum and CA1 subregions.

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