Coupling lipid synthesis with nuclear envelope remodeling.

Coupling lipid synthesis with nuclear envelope remodeling.
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将脂质合成与核膜重塑耦合。

DOI:
10.1016/j.tibs.2021.08.009
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发表时间:
2022-01
影响因子:
13.8
通讯作者:
Bahmanyar, Shirin
Bahmanyar, Shirin
中科院分区:
生物学1区
文献类型:
--
作者:
Barger, Sarah R.;Penfield, Lauren;Bahmanyar, Shirin

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核膜(NE)是基因组的保护性屏障,但其膜经历了高度动态的重塑过程,这是细胞生长和维持所必需的。虽然蛋白质促进NE重塑的机制正在显现,但双层类脂的类型以及定义和塑造核膜的脂-蛋白质相互作用仍然难以捉摸。NE与内质网(ER)是连续的,最近的证据表明,内质网中产生的脂质被利用来重塑核膜。在这篇综述中,我们考察了内质网近端和NE局部产生的脂类物质在控制NE动态中的新作用。我们进一步探讨了脂类的生物合成如何协调NE重塑以确保基因组保护。
The nuclear envelope (NE) is a protective barrier to the genome, yet its membranes undergo highly dynamic remodeling processes that are necessary for cell growth and maintenance. While mechanisms by which proteins promote NE remodeling are emerging, the types of bilayer lipids and the lipid-protein interactions that define and sculpt nuclear membranes remain elusive. The NE is continuous with the endoplasmic reticulum (ER) and recent evidence suggests that lipids produced in the ER are harnessed to remodel nuclear membranes. In this review, we examine new roles for lipid species made proximally within the ER and locally at the NE to control NE dynamics. We further explore how the biosynthesis of lipids coordinates NE remodeling to ensure genome protection.
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