Antagonistic Regulation of ABA and GA in Metabolism and Signaling Pathways.
Antagonistic Regulation of ABA and GA in Metabolism and Signaling Pathways.
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DOI：
10.3389/fpls.2018.00251
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发表时间：
2018
影响因子：
5.6
通讯作者：
Hou X
中科院分区：
文献类型：
--
作者：
Liu X;Hou X
植物激素赤霉酸（GA）和脱落酸（阿坝）是植物生长发育和环境响应的重要内源调节因子，在植物生长发育过程中起拮抗作用。多种内外因素对GA和阿坝的生物合成和催化活性起着相反的调节作用，直接或间接地影响着它们的信号转导途径和随后的反应。最近的发现揭示了GA-和ABA-信号组分之间的直接分子联系，这为它们的拮抗调节提供了新的见解。本文主要介绍了近年来GA和ABA拮抗作用的研究进展，并对GA和阿坝拮抗作用在植物代谢调控和信号转导中的作用机制进行了综述，同时对GA和ABA拮抗作用在植物代谢调控和信号转导中存在的问题和挑战进行了探讨。
The phytohormones gibberellic acid (GA) and abscisic acid (ABA) are widely recognized as essential endogenous regulators that mostly play antagonistic roles in plant developmental processes and environmental responses. A variety of both internal and external cues oppositely regulate GA and ABA biosynthesis and catabolism, which directly and indirectly affect their signaling pathways and subsequent responses. Recent discoveries have revealed direct molecular links between GA- and ABA-signaling components, which provide novel insights into their antagonistic regulation. In this review, we mainly focus on these recent reports and the growing understanding of GA and ABA antagonism in metabolic regulation and signaling interactions, and attempt to clarify the problems and challenges involved in exploring the complicated regulatory events associated with these two phytohormones.
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