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The ubiquitin-proteasome system in the plant response to abiotic stress: Potential role in crop resilience improvement

文献类型: 外文期刊

作者: Xu, Jian 1 ; Liu, Hongjie 2 ; Zhou, Chao 1 ; Wang, Jinxing 4 ; Wang, Junqiang 1 ; Han, Yehui 1 ; Zheng, Nan 5 ; Zhang, Ming 5 ; Li, Xiaoming 2 ;

作者机构: 1.Heilongjiang Acad Agr Sci, Qiqihar Branch, Qiqihar, Peoples R China

2.Chinese Acad Sci, Innovat Acad Seed Design, State Key Lab Plant Divers & Specialty Crops, Guangdong Prov Key Lab Appl Bot,South China Bot Ga, Guangzhou, Peoples R China

3.Northeast Forestry Univ, Key Lab Forest Plant Ecol, Minist Educ, Harbin, Peoples R China

4.Heilongjiang Acad Agr Sci, Suihua Branch, Suihua, Peoples R China

5.Heilongjiang Acad Agr Sci, Ind Crop Inst, Harbin, Peoples R China

6.Univ Chinese Acad Sci, Beijing 100049, Peoples R China

关键词: Ubiquitination; 26S proteasome; E3 ubiquitin ligase; Abiotic stress; ABA

期刊名称:PLANT SCIENCE ( 影响因子:5.2; 五年影响因子:5.7 )

ISSN: 0168-9452

年卷期: 2024 年 342 卷

页码:

收录情况: SCI

摘要: The post -translational modification (PTM) of proteins by ubiquitination modulates many physiological processes in plants. As the major protein degradation pathway in plants, the ubiquitin-proteasome system (UPS) is considered a promising target for improving crop tolerance drought, high salinity, extreme temperatures, and other abiotic stressors. The UPS also participates in abiotic stress -related abscisic acid (ABA) signaling. E3 ligases are core components of the UPS -mediated modification process due to their substrate specificity. In this review, we focus on the abiotic stress -associated regulatory mechanisms and functions of different UPS components, emphasizing the participation of E3 ubiquitin ligases. We also summarize and discuss UPS -mediated modulation of ABA signaling. In particular, we focus our review on recent research into the UPS -mediated modulation of the abiotic stress response in major crop plants. We propose that altering the ubiquitination site of the substrate or the substrate -specificity of E3 ligase using genome editing technology such as CRISPR/Cas9 may improve the resistance of crop plants to adverse environmental conditions. Such a strategy will require continued research into the role of the UPS in mediating the abiotic stress response in plants.

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