Systematic analysis of lysine 2-hydroxyisobutyrylation posttranslational modification in wheat leaves.

Lysine 2-hydroxyisobutyrylation (Khib) is a recently discovered post-translational modification (PTM) showing diverse biological functions and effects in living organisms. However, the study of Khib in plant species is still relatively limited. Wheat (Triticum aestivum L.) is a global important cere...

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Main Authors: Bo Feng, Shengdong Li, Zongshuai Wang, Fang Cao, Zheng Wang, Geng Li, Kaichang Liu
Format: Article
Language:English
Published: Public Library of Science (PLoS) 2021-01-01
Series:PLoS ONE
Online Access:https://doi.org/10.1371/journal.pone.0253325
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author Bo Feng
Shengdong Li
Zongshuai Wang
Fang Cao
Zheng Wang
Geng Li
Kaichang Liu
author_facet Bo Feng
Shengdong Li
Zongshuai Wang
Fang Cao
Zheng Wang
Geng Li
Kaichang Liu
author_sort Bo Feng
collection DOAJ
description Lysine 2-hydroxyisobutyrylation (Khib) is a recently discovered post-translational modification (PTM) showing diverse biological functions and effects in living organisms. However, the study of Khib in plant species is still relatively limited. Wheat (Triticum aestivum L.) is a global important cereal plant. In this study, the systematic Khib analysis was performed in wheat leave tissues. A total of 3004 Khib sites in 1104 proteins were repeatedly identified. Structure characterization of these Khib peptides revealed 12 conserved sequence motifs. Function classification and enrichment analysis indicated these Khib proteins showed a wide function and pathway distribution, of which ribosome activity, protein biosynthesis and photosynthesis were the preferred biological processes. Subcellular location predication indicated chloroplast was the dominant subcellular compartment where Khib was distributed. There may be some crosstalks among Khib, lysine acetylation and lysine succinylation modification because some proteins and sites were modified by all these three acylations. The present study demonstrated the critical role of Khib in wheat biological and physiology, which has expanded the scope of Khib in plant species. Our study is an available resource and reference of Khib function demonstration and structure characterization in cereal plant, as well as in plant kingdom.
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spelling doaj.art-54a8ecaa054a4bbf81990f5014d67a502022-12-21T21:26:50ZengPublic Library of Science (PLoS)PLoS ONE1932-62032021-01-01166e025332510.1371/journal.pone.0253325Systematic analysis of lysine 2-hydroxyisobutyrylation posttranslational modification in wheat leaves.Bo FengShengdong LiZongshuai WangFang CaoZheng WangGeng LiKaichang LiuLysine 2-hydroxyisobutyrylation (Khib) is a recently discovered post-translational modification (PTM) showing diverse biological functions and effects in living organisms. However, the study of Khib in plant species is still relatively limited. Wheat (Triticum aestivum L.) is a global important cereal plant. In this study, the systematic Khib analysis was performed in wheat leave tissues. A total of 3004 Khib sites in 1104 proteins were repeatedly identified. Structure characterization of these Khib peptides revealed 12 conserved sequence motifs. Function classification and enrichment analysis indicated these Khib proteins showed a wide function and pathway distribution, of which ribosome activity, protein biosynthesis and photosynthesis were the preferred biological processes. Subcellular location predication indicated chloroplast was the dominant subcellular compartment where Khib was distributed. There may be some crosstalks among Khib, lysine acetylation and lysine succinylation modification because some proteins and sites were modified by all these three acylations. The present study demonstrated the critical role of Khib in wheat biological and physiology, which has expanded the scope of Khib in plant species. Our study is an available resource and reference of Khib function demonstration and structure characterization in cereal plant, as well as in plant kingdom.https://doi.org/10.1371/journal.pone.0253325
spellingShingle Bo Feng
Shengdong Li
Zongshuai Wang
Fang Cao
Zheng Wang
Geng Li
Kaichang Liu
Systematic analysis of lysine 2-hydroxyisobutyrylation posttranslational modification in wheat leaves.
PLoS ONE
title Systematic analysis of lysine 2-hydroxyisobutyrylation posttranslational modification in wheat leaves.
title_full Systematic analysis of lysine 2-hydroxyisobutyrylation posttranslational modification in wheat leaves.
title_fullStr Systematic analysis of lysine 2-hydroxyisobutyrylation posttranslational modification in wheat leaves.
title_full_unstemmed Systematic analysis of lysine 2-hydroxyisobutyrylation posttranslational modification in wheat leaves.
title_short Systematic analysis of lysine 2-hydroxyisobutyrylation posttranslational modification in wheat leaves.
title_sort systematic analysis of lysine 2 hydroxyisobutyrylation posttranslational modification in wheat leaves
url https://doi.org/10.1371/journal.pone.0253325
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