Functional Roles of Poly(ADP-Ribose) in Stress Granule Formation and Dynamics.

Functional Roles of Poly(ADP-Ribose) in Stress Granule Formation and Dynamics.
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聚(ADP-核糖)在应力颗粒形成和动力学中的功能作用

DOI:
10.3389/fcell.2021.671780
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发表时间:
2021
影响因子:
5.5
通讯作者:
Liu B
Liu B
中科院分区:
生物学2区
文献类型:
--
作者:
Jin X;Cao X;Liu S;Liu B

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应激颗粒(SG)是响应应激而形成的高度动态的细胞质病灶。据报道,SGs的形成受到多种翻译后蛋白修饰(PTM)的调控。其中,ADP-核糖基化是新兴的兴趣,由于其最近确定的SG组织中的作用。本文综述了聚ADP核糖(poly(ADP-ribose),PAR)在SG形成和动力学调控中的作用,包括PAR对SG组分的核质运输和SG募集的调节作用,以及PAR对蛋白质相分离行为的影响。此外,还介绍了PAR链多样性对SG组成动态的作用。还讨论了研究全球ADP-核糖基化网络、不同PARP的个体作用以及ADP-核糖基化与SGs中其他PTM之间的相互作用的潜在未来发展。
Stress granules (SGs) are highly dynamic cytoplasmic foci formed in response to stress. The formation of SGs is reported to be regulated by diverse post-translational protein modifications (PTMs). Among them, ADP-ribosylation is of emerging interest due to its recently identified roles in SG organization. In this review, we summarized the latest advances on the roles of poly(ADP-ribose) (PAR) in the regulation of SG formation and dynamics, including its function in modulating nucleocytoplasmic trafficking and SG recruitment of SG components, as well as its effects on protein phase separation behavior. Moreover, the functional role of PAR chain diversity on dynamic of SG composition is also introduced. Potential future developments on investigating global ADP-ribosylation networks, individual roles of different PARPs, and interactions between ADP-ribosylation and other PTMs in SGs are also discussed.
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