期刊
BIOORGANIC & MEDICINAL CHEMISTRY
卷 18, 期 9, 页码 3012-3019出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.bmc.2010.03.059
关键词
Jasmonate; Coronatine; Photoaffinity probes; Synthesis
资金
- National Natural Science Foundation of China [30630044, 30725049, 30800593, 90717103, 90813037]
Jasmonates (JAs) are a class of oxylipin compounds that play diverse roles in plant defense and development. The F-box protein coronatine insensitive1 (COI1) plays a crucial role in the JA signaling pathway. To determine whether COI1 binds directly to jasmonates, three biotin-tagged photoaffinity probes for JAs, a jasmonic acid photoaffinity probe (PAJA), a JAIle photoaffinity probe (PAJAIle), and a coronatine photoaffinity probe (PACOR), were designed and synthesized based on analysis of JA structure-activity relationships and molecular modeling of the interaction between COI1 and JAs. Among them, PACOR exhibited the most significant biological activity in inhibiting root growth, promoting accumulation of JA-responsive proteins, and triggering COI1-JAZ1 interaction in Arabidopsis seedlings. PACOR is an effective tool for elucidating the interaction between COI1 and JA. (c) 2010 Elsevier Ltd. All rights reserved.
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