Deciphering the Atlas of Post-Translational Modification in Sugarcane

赖氨酸 乙酰化 生物 非生物成分 非生物胁迫 生物化学 植物 计算生物学 基因 氨基酸 生态学
作者
Qibin Wu,Zhenxiang Li,Jingtao Yang,Fu Xu,Xueqin Fu,Liping Xu,Chuihuai You,Dongjiao Wang,Yachun Su,Youxiong Que
出处
期刊:Journal of Agricultural and Food Chemistry [American Chemical Society]
卷期号:71 (26): 10004-10017 被引量:7
标识
DOI:10.1021/acs.jafc.3c01886
摘要

In plants, lysine acetylation (Kac), 2-hydroxyisobutyrylation (Khib), and lysine lactylation (Kla), the three new types of post-translational modification (PTM), play very important roles in growth, development, and resistance to adverse environmental stresses. Herein, we report the first global acetylome, 2-hydroxyisobutyrylome, and lactylome in sugarcane. A total of 8573 Kac, 4637 Khib, and 215 Kla sites across 3903, 1507, and 139 modified proteins were identified. Besides, homology analyses revealed the Kac, Khib, and Kla sites on histones were conserved between sugarcane and rice or poplar. Functional annotations demonstrated that the Kac, Khib, and Kla proteins were mainly involved in energy metabolism. In addition, a number of modified transcription factors and stress-related proteins, which were constitutively expressed in different tissues of sugarcane and induced by drought, cold or Sporisorium scitamineum stress, were identified. Finally, a proposed working mode on how PTM functions in sugarcane was depicted. We thus concluded that PTM should play a role in sugarcane growth, development, and response to biotic and abiotic stresses, but the mechanisms require further investigation. The present study provided the all-new comprehensive profile of proteins Kac, Khib, and Kla and a new perspective to understand the molecular mechanisms of protein PTMs in sugarcane.
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