21 アブシシン酸生合成阻害剤の創製と生物有機化学的研究

概要

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Absicsic acid (ABA) regulates the response to various environmental stresses and the developmental progresses such as seed maturation and dormancy in higher plants. The oxidative cleavage of 9-cis-epoxycarotenoids is suggested to be the key regulatory step in ABA biosynthesis pathway, which is catalyzed by 9-cis-epoxycarotenoid dioxygenase (NCED). To develope a new inhibitor of ABA biosynthesis targeting NCED, chemicals were synthesized and subjected to the biological tests. Here, we demonstrate that Abamine (a__-bscisic acid b__-iosynthesis inhibitor with amine moiety) is a novel specific ABA biosynthesis inhibitor targeting the oxidative cleavage reaction of 9-cis-epoxycarotenoids and affects plant physiology regulated by ABA.
植物化学調節学会の論文
2002-10-31