Fluid mechanics of mosaic ciliated tissues
Fluid mechanics of mosaic ciliated tissues
复制标题
镶嵌纤毛组织的流体力学
DOI:
10.1101/2021.03.31.437829
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发表时间:
2021
期刊:
影响因子:
--
通讯作者:
Boselli F
中科院分区:
文献类型:
--
作者:
Boselli F
In tissues as diverse as amphibian skin and the human airway, the cilia that propel fluid are grouped in sparsely distributed multiciliated cells (MCCs). We investigate fluid transport in this “mosaic” architecture, with emphasis on the trade-offs that may have been responsible for its evolutionary selection. Live imaging of MCCs in embryos of the frogXenopus laevisshows that cilia bundles behave as active vortices that produce a flow field accurately represented by a local force applied to the fluid. A coarse-grained model that self-consistently couples bundles to the ambient flow reveals that hydrodynamic interactions between MCCs limit their rate of work so that they best shear the tissue at a finite but low area coverage, a result that mirrors findings for other sparse distributions such as cell receptors and leaf stomata.
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