2,251 results found
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    Disrupting the ciliary gradient of active Arl3 affects rod photoreceptor nuclear migration

    Amanda M Travis, Samiya Manocha ... Jillian N Pearring
    Dominant mutations in Arl3, linked to inherited retinal dystrophy, disrupt the active Arl3-GTP ciliary gradient and cause a defect in rod photoreceptor nuclear migration that can be rescued by elevating ciliary Arl3 activity or reducing aberrant non-ciliary Arl3 activity.
    1. Developmental Biology
    2. Physics of Living Systems

    Nuclear crowding and nonlinear diffusion during interkinetic nuclear migration in the zebrafish retina

    Afnan Azizi, Anne Herrmann ... William A Harris
    The evolving spatial distribution of nuclei between apical and basal surfaces of the developing retinal neuroepithelium is quantitatively described by a nonlinear diffusion equation accounting for crowding within the tissue.
    1. Physics of Living Systems

    Nuclear export inhibition jumbles epithelial–mesenchymal states and gives rise to migratory disorder in healthy epithelia

    Carly M Krull, Haiyi Li, Amit Pathak
    Nuclear export inhibition reveals concurrent epithelial and mesenchymal phenotypes that cause mechanosensitive disorder in collectively migrating epithelia.
    1. Developmental Biology

    Ongoing repair of migration-coupled DNA damage allows planarian adult stem cells to reach wound sites

    Sounak Sahu, Divya Sridhar ... Aziz Aboobaker
    Adult stem cells acquire increased DNA damage as they migrate to a wound site and require active DNA repair mechanisms for normal migration.
    1. Biochemistry and Chemical Biology
    2. Chromosomes and Gene Expression

    Serine ADP-ribosylation marks nucleosomes for ALC1-dependent chromatin remodeling

    Jugal Mohapatra, Kyuto Tashiro ... Glen Liszczak
    A technology to produce homogenously poly-ADP-ribosylated proteins reveals key molecular mechanisms that govern ATP-dependent chromatin remodeling activity at DNA damage sites.
    1. Plant Biology

    Dynamic F-actin movement is essential for fertilization in Arabidopsis thaliana

    Tomokazu Kawashima, Daisuke Maruyama ... Frédéric Berger
    The movement of F-actin filaments, which is regulated by actin-myosin interactions together with a female gamete-specific Rho-GTPase, enables migration of the Arabidopsis sperm cell nucleus towards the female nucleus; which might account for the loss of centrosomes in flowering plants.
    1. Developmental Biology

    Amoeboid-like migration ensures correct horizontal cell layer formation in the developing vertebrate retina

    Rana Amini, Archit Bhatnagar ... Caren Norden
    Horizontal cell undergoes amoeboid-like migration in the developing vertebrate retina, a not previously reported migration mode in the central nervous system, that allows them to move within a densely packed tissue without predetermined paths.
    1. Developmental Biology
    2. Plant Biology

    Opposite polarity programs regulate asymmetric subsidiary cell divisions in grasses

    Dan Zhang, Roxane P Spiegelhalder ... Michael T Raissig
    The formation of stomatal 'helper cells' (=subsidiary cells) in grasses requires two opposing polarity domains with diverse roles in establishing division asymmetry.
    1. Developmental Biology

    Folded gastrulation and T48 drive the evolution of coordinated mesoderm internalization in flies

    Silvia Urbansky, Paula González Avalos ... Steffen Lemke
    Functional recapitulation of a likely evolutionary gain in gene expression shows that two genes are sufficient to switch mesoderm cell internalization from stochastic cell ingression to coordinated epithelial invagination.
    1. Cell Biology
    2. Developmental Biology

    YAP and TAZ regulate adherens junction dynamics and endothelial cell distribution during vascular development

    Filipa Neto, Alexandra Klaus-Bergmann ... Holger Gerhardt
    Endothelial YAP/TAZ shape the developing vasculature by orchestrating mechanical inputs with BMP signalling to promote junctional VE-Cadherin turnover and cellular rearrangements.

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