AP2/ERF转录因子调控植物非生物胁迫响应研究进展

doi:10.11983/CBB19243

摘要/Abstract

摘要： 低温、干旱、高盐和缺氧等多种不良环境影响植物的生长发育, 植物通过长期进化形成复杂的调节机制来适应这些不利条件。AP2/ERF是植物特有的转录因子, 在各种胁迫响应过程中发挥关键调控作用。近年来, 越来越多的研究表明, 植物激素介导的信号级联通路与逆境胁迫响应关系密切, AP2/ERF转录因子可与激素信号转导协同形成交叉调控网络。许多AP2/ERF转录因子通过响应植物激素脱落酸和乙烯, 激活依赖或不依赖于脱落酸和乙烯的胁迫响应基因的表达。此外, AP2/ERF转录因子参与赤霉素、细胞分裂素和油菜素内酯介导的生长发育和胁迫应答。该文简要综述了AP2/ERF转录因子的结构特征、转录调控、翻译后修饰、结合位点、协同互作蛋白及其参与调控依赖或不依赖激素信号转导途径的非生物胁迫响应研究进展, 为解析不同AP2/ERF转录因子在调控激素和胁迫响应网络中的作用提供理论依据。

关键词: AP2/ERF转录因子, 激素, 非生物胁迫, 调控

Abstract: Low temperature, drought, high salt, hypoxia and other adverse environmental changes affect plant growth and development. Plants adapt to these adverse conditions through the development of complex regulatory mechanisms during long-term evolution. APETALA2/ethylene responsive factor (AP2/ERF) is a plant-specific transcription factor that plays a key regulatory role in various stress responses. In recent years, more and more studies have shown that plant hormone-mediated signaling is closely related to stress responses, and AP2/ERF transcription factor and hormone signal transduction form a cross-regulatory network. Many AP2/ERF transcription factors respond to plant hormones abscisic acid (ABA) and ethylene (ET), activating the expression of stress response genes that are dependent on and independent of ABA and ET. In addition, AP2/ERF transcription factors are also involved in gibberellin (GA), cytokinin (CTK) and brassinsteroid (BR) mediated growth and developmental processes and stress responses. This paper briefly reviews the research progress of AP2/ERF transcription factors in term of structure, transcriptional regulation, posttranslational modifications, binding sites and interacting proteins as well as its transduction pathways involved in hormone dependent- or independent- regulation of the abiotic stress responses, which will provide the basis for further understanding the roles of different AP2/ERF transcription factors in the regulation of hormone and stress response network in plants.

Key words: AP2/ERF transcription factor, hormone, abiotic stress, regulation

洪林,杨蕾,杨海健,王武. AP2/ERF转录因子调控植物非生物胁迫响应研究进展. 植物学报, 2020, 55(4): 481-496.

Lin Hong,Lei Yang,Haijian Yang,Wu Wang. Research Advances in AP2/ERF Transcription Factors in Regulating Plant Responses to Abiotic Stress. Chinese Bulletin of Botany, 2020, 55(4): 481-496.

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链接本文: https://www.chinbullbotany.com/CN/10.11983/CBB19243

https://www.chinbullbotany.com/CN/Y2020/V55/I4/481

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