A comprehensive analysis of the lysine acetylome reveals diverse functions of acetylated proteins during de-etiolation in Zea mays.
De-etiolation
Lysine-acetylation
Maize seedling
Photosynthesis establishment
Journal
Journal of plant physiology
ISSN: 1618-1328
Titre abrégé: J Plant Physiol
Pays: Germany
ID NLM: 9882059
Informations de publication
Date de publication:
May 2020
May 2020
Historique:
received:
16
12
2019
revised:
02
02
2020
accepted:
02
02
2020
pubmed:
3
4
2020
medline:
17
9
2020
entrez:
3
4
2020
Statut:
ppublish
Résumé
Lysine acetylation is one of the most important post-translational modifications and is involved in multiple cellular processes in plants. There is evidence that acetylation may play an important role in light-induced de-etiolation, a key developmental switch from skotomorphogenesis to photomorphogenesis. During this transition, establishment of photosynthesis is of great significance. However, studies on acetylome dynamics during de-etiolation are limited. Here, we performed the first global lysine acetylome analysis for Zea mays seedlings undergoing de-etiolation, using nano liquid chromatography coupled to tandem mass spectrometry, and identified 814 lysine-acetylated sites on 462 proteins. Bioinformatics analysis of this acetylome showed that most of the lysine-acetylated proteins are predicted to be located in the cytoplasm, nucleus, chloroplast, and mitochondria. In addition, we detected ten lysine acetylation motifs and found that the accumulation of 482 lysine-acetylated peptides corresponding to 289 proteins changed significantly during de-etiolation. These proteins include transcription factors, histones, and proteins involved in chlorophyll synthesis, photosynthesis light reaction, carbon assimilation, glycolysis, the TCA cycle, amino acid metabolism, lipid metabolism, and nucleotide metabolism. Our study provides an in-depth dataset that extends our knowledge of in vivo acetylome dynamics during de-etiolation in monocots. This dataset promotes our understanding of the functional consequences of lysine acetylation in diverse cellular metabolic regulatory processes, and will be a useful toolkit for further investigations of the lysine acetylome and de-etiolation in plants.
Identifiants
pubmed: 32240968
pii: S0176-1617(20)30047-X
doi: 10.1016/j.jplph.2020.153158
pii:
doi:
Substances chimiques
Plant Proteins
0
Lysine
K3Z4F929H6
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
153158Informations de copyright
Copyright © 2020 Elsevier GmbH. All rights reserved.
Déclaration de conflit d'intérêts
Declaration of Competing Interest All the authors have declared no competing interests.