[Histone ubiquitylation and its roles in DNA damage response].

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[Histone ubiquitylation and its roles in DNA damage response].

Yi Chuan. 2019 Jan 20;41(1):29-40

Authors: Zhang QY, Zhang YZ, Shen K, Zhang SY, Cao JP

Abstract
Ubiquitylation is an essential type of protein post-translational modifications (PTMs) in eukaryotes, which mediates various biological processes by regulating the subcellular localization, activity, and stability of proteins. Histones, as the main protein ingredients of chromatin, are closely coupled with DNA activities such as replication, transcription and repair, and therefore are the hotspots of PTMs. After DNA damage, histone ubiquitylations are involved in DNA damage response (DDR) by regulating nucleosome structure, activating cell cycle checkpoints, remodeling the nucleosome, and the recruitment and assembly of repair factors. Meanwhile, histone ubiquitylations can also crosstalk with other types of PTMs to regulate DDR processes. In this review, we summarize how the site-specific histone ubiquitylation forms signal network and contributes to DDR, which may shed light on the further study of how histone codes formed by histone PTMs affect the entire DDR processes.

PMID: 30686783 [PubMed - in process]

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