Chiral cell sliding drives left-right asymmetric organ twisting
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<jats:p>Polarized epithelial morphogenesis is an essential process in animal development. While this process is mostly attributed to directional cell intercalation, it can also be induced by other mechanisms. Using live-imaging analysis and a three-dimensional vertex model, we identified ‘cell sliding,’ a novel mechanism driving epithelial morphogenesis, in which cells directionally change their position relative to their subjacent (posterior) neighbors by sliding in one direction. In Drosophila embryonic hindgut, an initial left-right (LR) asymmetry of the cell shape (cell chirality in three dimensions), which occurs intrinsically before tissue deformation, is converted through LR asymmetric cell sliding into a directional axial twisting of the epithelial tube. In a Drosophila inversion mutant showing inverted cell chirality and hindgut rotation, cell sliding occurs in the opposite direction to that in wild-type. Unlike directional cell intercalation, cell sliding does not require junctional remodeling. Cell sliding may also be involved in other cases of LR-polarized epithelial morphogenesis.</jats:p>
収録刊行物
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- eLife
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eLife 7 e32506-e32506, 2018-06-12
eLife Sciences Publications, Ltd
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詳細情報 詳細情報について
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- CRID
- 1050856995323786240
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- NII論文ID
- 120006491604
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- ISSN
- 2050084X
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- HANDLE
- 20.500.14094/90005074
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- 本文言語コード
- en
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- journal article
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