A multi-tiered mechanical mechanism shapes the early neural plate
A multi-tiered mechanical mechanism shapes the early neural plate
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多层机械机制塑造早期神经板
DOI:
10.1101/2023.06.21.545965
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发表时间:
2023
期刊:
影响因子:
--
通讯作者:
Inman A
中科院分区:
文献类型:
--
作者:
Inman A
The formation of complex tissues during embryonic development requires an intricate spatiotemporal coordination of local mechanical processes regulating global tissue morphogenesis. Here, we uncover a novel mechanism that mechanically regulates the shape of the anterior neural plate (ANP), a vital forebrain precursor, during zebrafish gastrulation. Combiningin vivoandin silicoapproaches we reveal that the ANP is shaped by global tissue flows regulated by distinct force generating processes. We show that mesendoderm migration and E-cadherin-dependent differential tissue interactions control distinct flow regimes in the neuroectoderm. Initial opposing flows lead to progressive tissue folding and neuroectoderm internalisation which in turn provide forces driving ANP tissue reshaping. We find that convergent extension is dispensable for internalisation but required for ANP tissue extension. Our results highlight how spatiotemporal regulation and coupling of different mechanical processes between tissues in the embryo controls the first folding event in the developing brain.
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影响因子:
11.8
作者:
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通讯作者:
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DOI:
--
发表时间:
2013
期刊:
影响因子:
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