探索卡利金和独脚金内酯的分子机制。
Exploring the molecular mechanism of karrikins and strigolactones.
机构信息
School of Chemistry and Biochemistry, The University of Western Australia, Crawley, WA 6009, Australia.
出版信息
Bioorg Med Chem Lett. 2012 Jun 1;22(11):3743-6. doi: 10.1016/j.bmcl.2012.04.016. Epub 2012 Apr 10.
Karrikins and strigolactones are novel plant growth regulators that contain similar molecular features, but very little is known about how they elicit responses in plants. A tentative molecular mechanism has previously been proposed involving a Michael-type addition for both compounds. Through structure-activity studies with karrikins, we now propose an alternative mechanism for karrikin and strigolactone mode of action that involves hydrolysis of the butenolide ring.
卡里卡丁和独脚金内酯是两种新型的植物生长调节剂，它们含有相似的分子特征，但对于它们如何在植物中引发反应，人们知之甚少。此前曾提出过一个暂定的分子机制，涉及这两种化合物的迈克尔型加成。通过对卡里卡丁的结构活性研究，我们现在提出了一种替代机制，用于卡里卡丁和独脚金内酯的作用模式，该机制涉及丁烯内酯环的水解。
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