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植物激素ABA调控植物根系生长的研究进展 被引量:10

Current understanding of the roles of phytohormone abscisic acid in the regulation of plant root growth
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摘要 脱落酸(abscisic acid,ABA)是一种重要的植物激素,在调控种子发育、种子休眠与萌发、抑制生长、促进落花落果、参与植物应对外界环境胁迫等过程中发挥着重要的生理功能。ABA还能与其他植物激素(如生长素、乙烯等)互作进而精细调控植物根系的生长。本文以模式植物拟南芥( Arabidopsis thaliana (L.) Heynh)为主要对象,对近年来国内外在ABA调控植物根系生长方面的研究成果、ABA与其他植物激素(如GA等)互作调控根系生长及调控非生物逆境下根系发育的机理等进行综述,并对其未来的研究方向进行了展望。 Abscisic acid (ABA) is an important plant phytohormone and plays a key role in the regulation of seed development, dormancy, and germination, plant growth and flowering inhibition, and abiotic stress response pathways. ABA also interacts with other plant hormones, such as auxin and ethylene, to precisely regulate root growth, including that of preprimary roots, lateral roots, and root hairs. In this updated review, we summarize the molecular mechanisms by which ABA regulates plant root growth and development, focusing on the model plant Arabidopsis thaliana (L.) Heynh. We also discuss the proposed mechanism of ABA interaction with other plant hormones (such as GA) to regulate root growth, especially under abiotic stress conditions. Additionally, the future research directions in this field are discussed.
作者 郑钏 杨颖增 罗晓峰 代宇佳 刘卫国 杨文钰 舒凯 Zheng Chuan;Yang Ying-Zeng;Luo Xiao-Feng;Dai Yu-Jia;Liu Wei-Guo;Yang Wen-Yu;Shu Kai(Institute of Ecological Agriculture, Sichuan Agricultural University , Chengdu 611130, China;Center for Ecological and Environmental Sciences, Northwestern Polytechnical University , Xi an 710129, China)
出处 《植物科学学报》 CAS CSCD 北大核心 2019年第5期690-698,共9页 Plant Science Journal
基金 国家自然科学基金项目(31701064,31872804) 国家重点研发计划(2017YFD0201300)~~
关键词 脱落酸 根系生长 生长素 乙烯 分子机制 Abscisic acid (ABA) Root growth Auxin Ethylene Molecular mechanism
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