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- W4309134310 abstract "During division in animal cells, the actomyosin cortex has been found to exhibit counter-rotating cortical flows, also known as chiral flows, along the axis of division. Furthermore, such chiral surface flows were shown to influence cellular rearrangements and drive the left-right symmetry breaking in developing organisms. In spite of this prospective biological importance, at the current state, no numerical simulations have been done to study the influence of chiral flows on the cell cortex shape. To deepen the insight on that matter, we present here a numerical study of an axi-symmetric viscoelastic surface embedded in a viscous fluid. To investigate the influence of a chiral flow field on the surface shape and material transport, we impose a generic counter-rotating force field on this surface which induces a chiral flow field. Notably, we find that the building of a neck, as is observed during cell division, occurs if there is a strong shear elastic component. Furthermore we find that a large areal relaxation time results in flows towards the equator of the surface. These flows assist the transport of a surface concentration during the forming of a contractile ring. Accordingly, we show that chiral forces by themselves can drive pattern formation and stabilise contractile rings at the equator." @default.
- W4309134310 created "2022-11-23" @default.
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- W4309134310 date "2022-11-14" @default.
- W4309134310 modified "2023-09-25" @default.
- W4309134310 title "Chiral flows can induce neck formation in viscoelastic surfaces" @default.
- W4309134310 doi "https://doi.org/10.48550/arxiv.2211.07183" @default.
- W4309134310 hasPublicationYear "2022" @default.
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