Lysine crotonylation: A challenging new player in the epigenetic regulation of plants
- PMID: 35065287
- DOI: 10.1016/j.jprot.2022.104488
Lysine crotonylation: A challenging new player in the epigenetic regulation of plants
Abstract
Lysine crotonylation (Kcr) is a newly discovered post-translational modification, which is structurally and functionally different from the widely studied lysine acetylation. Kcr is found on histones and non-histone proteins, participating in many biological processes through the regulation of chromatin remodeling, metabolism, cell cycle and cellular organization. Among plants, Kcr in histones is not found in the same lysine residues but increases gene expression when it is co-localized with lysine acetylation. Kcr in non-histone proteins is mainly found in the chloroplast, which provides new insight into photosynthesis. In this review, we discuss recent findings on plant Kcr in histone and non-histone proteins, highlighting its biological implications. These findings not only point to new functions for Kcr, but also reveal the mechanisms by which crotonylation regulates cellular processes in plants and may even change the general direction of epigenome and plant regulation.
Keywords: Amino acids; Chloroplast; Epigenetic; Histones; Lysine modifications; Photosynthesis.
Copyright © 2022 Elsevier B.V. All rights reserved.
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