18 results found
    1. Cell Biology

    Crumbs is an essential regulator of cytoskeletal dynamics and cell-cell adhesion during dorsal closure in Drosophila

    David Flores-Benitez, Elisabeth Knust
    The evolutionarily conserved polarity protein Crumbs links the regulation of cytoskeleton dynamics and cell-cell adhesion with epithelial morphogenesis.
    1. Computational and Systems Biology
    2. Developmental Biology

    Unipolar distributions of junctional Myosin II identify cell stripe boundaries that drive cell intercalation throughout Drosophila axis extension

    Robert J Tetley et al.
    Analysing Myosin II unipolar planar polarisation with high spatial and temporal resolution during Drosophila axis extension reveals how tissue boundaries drive polarized cell intercalation while limiting cell mixing.
    1. Developmental Biology
    2. Evolutionary Biology

    Two consecutive microtubule-based epithelial seaming events mediate dorsal closure in the scuttle fly Megaselia abdita

    Juan Jose Fraire-Zamora et al.
    Evolutionary reduction in tissue number involves the simplification of the seaming process but not signaling during epithelial fusion.
    1. Cell Biology
    2. Developmental Biology

    Regulation of cell protrusions by small GTPases during fusion of the neural folds

    Ana Rolo et al.
    The completion of neural tube closure requires small GTPase-regulated membrane protrusions from non-neural ectoderm cells at the tips of the neural folds.
    1. Cell Biology
    2. Developmental Biology

    The interplay of stiffness and force anisotropies drives embryo elongation

    Thanh Thi Kim Vuong-Brender et al.
    Elongation of C. elegans embryos requires stiffness and force to be specifically oriented in a coordinated manner in different cells.
    1. Developmental Biology

    Dynamic BMP signaling polarized by Toll patterns the dorsoventral axis in a hemimetabolous insect

    Lena Sachs et al.
    During the evolution of insect lineages, a signaling pathway dedicated to pathogen defense was co-opted for a new role in embryonic patterning.
    1. Cell Biology
    2. Developmental Biology

    Cell volume changes contribute to epithelial morphogenesis in zebrafish Kupffer’s vesicle

    Agnik Dasgupta et al.
    During Kupffer's vesicle morphogenesis, cell volume anisotropy impacts cell shape changes.
    1. Cell Biology
    2. Developmental Biology

    Uncoupling apical constriction from tissue invagination

    SeYeon Chung et al.
    Spatially coordinated apical constriction occurs during Drosophila salivary gland invagination, but the salivary gland can form fully internalized and elongated tubes even when this process is completely blocked.
    1. Cell Biology
    2. Developmental Biology

    Cytoskeletal tension and Bazooka tune interface geometry to ensure fusion fidelity and sheet integrity during dorsal closure

    Piyal Taru Das Gupta, Maithreyi Narasimha
    Restoration of molecular and morphological symmetry and mechanical integrity following epithelial fusion relies on adaptive changes that are mediated by cytoskeletal tension and Bazooka dependent modulation of fusing interface geometry.
    1. Physics of Living Systems
    2. Computational and Systems Biology

    Global morphogenetic flow is accurately predicted by the spatial distribution of myosin motors

    Sebastian J Streichan et al.
    Epithelial tissue remodeling during Drosophila embryonic development is quantitatively described by a simple law relating myosin activity and cell flow.

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