Issue 98, 2021

Regulation of liquid–liquid phase separation with focus on post-translational modifications

Abstract

Liquid–liquid phase separation (LLPS), a type of phase transition that is important in organisms, is a unique means of forming biomolecular condensates. LLPS plays a significant role in transcription, genome organisation, immune response and cell signaling, and its dysregulation may cause neurodegenerative diseases and cancers. Exploring the regulatory mechanism of LLPS contributes to the understanding of the pathogenic mechanism of abnormal phase transition and enables potential therapeutic targets to be proposed. Many factors have been found to regulate LLPS, of which post-translational modification (PTM) is among the most important. PTMs can change the structure, charge, hydrophobicity and other properties of the proteins involved in phase separation and thereby affect the phase transition behaviour. In this review, we discuss LLPS and the regulatory effects of PTMs, RNA and molecular chaperones in a phase separation system. We introduce several common PTMs (including phosphorylation, arginine methylation, arginine citrullination, acetylation, ubiquitination and poly(ADP-ribosyl)ation), highlight recent advances regarding their roles in LLPS and describe the regulatory mechanisms behind these features. This review provides a detailed overview of the field that will help further the understanding of and interventions in LLPS.

Graphical abstract: Regulation of liquid–liquid phase separation with focus on post-translational modifications

Article information

Article type
Feature Article
Submitted
19 सितम्बर 2021
Accepted
05 नवम्बर 2021
First published
05 नवम्बर 2021

Chem. Commun., 2021,57, 13275-13287

Regulation of liquid–liquid phase separation with focus on post-translational modifications

Y. Luo, J. Wu and Y. Li, Chem. Commun., 2021, 57, 13275 DOI: 10.1039/D1CC05266G

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