80 results found
    1. Computational and Systems Biology
    2. Developmental Biology

    Why plants make puzzle cells, and how their shape emerges

    Aleksandra Sapala, Adam Runions ... Richard S Smith
    Puzzle-shape cells in the epidermis of many plants form due to a development constraint based on mechanical forces.
    1. Cell Biology
    2. Developmental Biology

    The interplay of stiffness and force anisotropies drives embryo elongation

    Thanh Thi Kim Vuong-Brender, Martine Ben Amar ... Michel Labouesse
    Elongation of C. elegans embryos requires stiffness and force to be specifically oriented in a coordinated manner in different cells.
    1. Plant Biology

    Anisotropic growth is achieved through the additive mechanical effect of material anisotropy and elastic asymmetry

    Firas Bou Daher, Yuanjie Chen ... Siobhan A Braybrook
    Growing upwards in the young seedling is controlled by two cooperative mechanical mechanisms: cellulose orientation in inner tissues and differential elasticity in epidermal cells.
    1. Plant Biology

    KATANIN-dependent mechanical properties of the stigmatic cell wall mediate the pollen tube path in Arabidopsis

    Lucie Riglet, Frédérique Rozier ... Thierry Gaude
    KATANIN1 in stigma papilla cells prevents disordered pollen tube growth and straightens pollen tube direction, allowing the pollen tube to find its correct path to the underlying female tissues.
    1. Cell Biology
    2. Developmental Biology

    Organ sculpting by patterned extracellular matrix stiffness

    Justin Crest, Alba Diz-Muñoz ... David Bilder
    Direct measurement of finely patterned mechanical properties in a native basement membrane demonstrate how force asymmetries arising from this extracellular matrix, rather than from cells, can precisely sculpt a tissue.
    1. Cell Biology
    2. Plant Biology

    Two mechanisms regulate directional cell growth in Arabidopsis lateral roots

    Charlotte Kirchhelle, Daniel Garcia-Gonzalez ... Ian Moore
    In lateral roots, cells employ a novel pathway to cell edges to control directional growth, which acts independently of the leading paradigm of oriented deposition of cellulose microfibrils at faces.
    1. Cell Biology
    2. Plant Biology

    Subcellular and supracellular mechanical stress prescribes cytoskeleton behavior in Arabidopsis cotyledon pavement cells

    Arun Sampathkumar, Pawel Krupinski ... Elliot M Meyerowitz
    In the Arabidopsis epidermis, the internal mechanical stress of a cell competes with the external stress to control microtubule behavior, providing a framework to understand the mechanical feedbacks that underlie plant morphogenesis.
    1. Plant Biology

    A tension-adhesion feedback loop in plant epidermis

    Stéphane Verger, Yuchen Long ... Olivier Hamant
    Tensile stress patterns in tissues are revealed by cell-cell adhesion defects; in turn, cell responses to supracellular tension require cell-cell adhesion.
    1. Computational and Systems Biology
    2. Plant Biology

    A coupled mechano-biochemical model for cell polarity guided anisotropic root growth

    Marco Marconi, Marcal Gallemi ... Krzysztof Wabnik
    The spatial-temporal computer model of plant root meristem combines biomechanics and biochemical scales to reveal design principles underlying cell polarity and anisotropic growth during root development.
    1. Physics of Living Systems

    Theory of active self-organization of dense nematic structures in the actin cytoskeleton

    Waleed Mirza, Marco De Corato ... Marino Arroyo
    Not revised
    Reviewed Preprint v1

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