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首页> 外文期刊>Trends in Plant Science >Perception and transduction of abscisic acid signals: keys to the function of the versatile plant hormone ABA
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Perception and transduction of abscisic acid signals: keys to the function of the versatile plant hormone ABA

机译：脱落酸信号的感知和转导：多功能植物激素ABA功能的关键

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摘要

During the past decade, much progress has been made toward understanding the mechanisms underlying plant hormone activity, from perception to nuclear events. However, the signaling mechanisms for abscisic acid (ABA) have remained largely obscure. Recent breakthroughs identifying FCA, which is an RNA-binding protein, the Mg-chelatase H subunit, and a G protein-coupled receptor as receptors for ABA provide a major leap forward in understanding the initial steps of ABA signaling mechanisms. Recent studies have also revealed the molecular mechanisms of second messenger production, protein modifications such as phosphorylation, and regulatory mechanisms of gene expression in the ABA response. Therefore, the connections between these events are also beginning to be determined. Here, we review recent progress and discuss the overall scheme of the ABA response mechanisms.
机译：在过去的十年中，从理解到核事件，在理解植物激素活性的基本机制方面已取得了很大进展。然而，脱落酸（ABA）的信号传导机制仍然很大程度上不清楚。将FCA（一种RNA结合蛋白，Mg-螯合酶H亚基和一个G蛋白偶联受体）识别为ABA受体的最新突破为理解ABA信号传导机制的初始步骤提供了重大突破。最近的研究还揭示了第二信使产生的分子机制，蛋白质修饰（例如磷酸化）以及ABA反应中基因表达的调节机制。因此，这些事件之间的联系也已开始确定。在这里，我们回顾了最近的进展，并讨论了ABA反应机制的总体方案。

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