Decoding plant adaptation: deubiquitinating enzymes UBP12 and UBP13 in hormone signaling, light response, and developmental processes
文献类型： 外文期刊
作者： Feng, Hanqian 1 ; Tan, Jinjuan 1 ; Deng, Zhiping 1 ;
作者机构： 1.Zhejiang Acad Agr Sci, Inst Virol & Biotechnol, Hangzhou 310021, Zhejiang, Peoples R China
关键词： Circadian clock; deubiquitinase; deubiquitination; light signaling; phytohormone; polycomb group proteins; senescence; ubiquitination; ubiquitin-specific protease
期刊名称：JOURNAL OF EXPERIMENTAL BOTANY （ 影响因子：6.9； 五年影响因子：8.0 ）
ISSN： 0022-0957
年卷期： 2023 年
页码：
收录情况： SCI
摘要： Ubiquitination, a vital post-translational modification in plants, plays a significant role in regulating protein activity, localization, and stability. This process occurs through a complex enzyme cascade that involves E1, E2, and E3 enzymes, leading to the covalent attachment of ubiquitin molecules to substrate proteins. Conversely, deubiquitinating enzymes (DUBs) work in opposition to this process by removing ubiquitin moieties. Despite extensive research on ubiquitination in plants, our understanding of the function of DUBs is still emerging. UBP12 and UBP13, two plant DUBs, have received much attention recently and are shown to play pivotal roles in hormone signaling, light perception, photoperiod responses, leaf development, senescence, and epigenetic transcriptional regulation. This review summarizes current knowledge of these two enzymes, highlighting the central role of deubiquitination in regulating the abundance and activity of critical regulators such as receptor kinases and transcription factors during phytohormone and developmental signaling. Ubiquitination and deubiquitination are reversible post-translational modifications crucial in protein stability regulation. This review emphasizes the significant contributions of UBP12 and UBP13 deubiquitinases in various signal transduction processes in plants.
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