Biophysical forces in membrane bending and traffic.

Biophysical forces in membrane bending and traffic.
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DOI:
10.1016/j.ceb.2020.02.017
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发表时间:
2020-08
影响因子:
7.5
通讯作者:
Stachowiak JC
Stachowiak JC
中科院分区:
生物学2区
文献类型:
--
作者:
Day KJ;Stachowiak JC

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细胞内运输需要膜形态的广泛变化。细胞利用几种不同的分子因子和物理线索来重塑膜。在这里,我们强调最近的进展,确定膜曲率产生的生物物理机制。特别是,我们专注于膜弯曲的分子和物理驱动程序在三个阶段的囊泡:出芽,货物选择,和切断的合作。总之,这里回顾的研究强调,而不是一个单一的主导机制,几种机制通常在膜重塑的每个步骤中并行工作。这一领域未来的重要挑战是了解多种机制如何协同工作,以及如何将一系列随机事件组合起来以实现确定性结果-运输囊泡的组装。
Intracellular trafficking requires extensive changes in membrane morphology. Cells utilize several distinct molecular factors and physical cues to remodel membranes. Here we highlight recent advances in identifying the biophysical mechanisms of membrane curvature generation. In particular, we focus on the cooperation of molecular and physical drivers of membrane bending during three stages of vesiculation: budding, cargo selection, and scission. Taken together, the studies reviewed here emphasize that, rather than a single dominant mechanism, several mechanisms typically work in parallel during each step of membrane remodeling. Important challenges for the future of this field are to understand how multiple mechanisms work together synergistically and how a series of stochastic events can be combined to achieve a deterministic result – assembly of the trafficking vesicle.
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