2021
DOI: 10.48550/arxiv.2110.12089
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A viscous active shell theory of the cell cortex

Hudson Borja da Rocha,
Jérémy Bleyer,
Hervé Turlier

Abstract: The cell cortex is a thin layer beneath the plasma membrane that gives animal cells mechanical resistance and drives most of their shape changes, from migration, division to multicellular morphogenesis. Constantly stirred by molecular motors and under fast renewal, this material is well described by viscous and contractile active-gel theories.Here, we assume that the cortex is a thin viscous shell with non-negligible curvature and use asymptotic expansions to find the leading-order equations describing its sha… Show more

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