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著者		Yan J., Yao R., Chen L., Li S., Gu M., Nan F., Xie D.
タイトル		Dynamic Perception of Jasmonates by the F-Box Protein COI1.
Abstract: Jasmonates (JAs) are cyclic fatty acid-derived phytohormones that regulate diverse aspects of plant defense and development. The endogenous active JA molecule (+)-7-iso-JA-L-Ile (JA-Ile) and its analog coronatine trigger formation of a complex with the F-box protein COI1 and JAZ repressors to induce degradation of the JAZs through the 26S proteasome pathway in a COI1-dependent manner. To reveal the formation process of COI1-JA-JAZ ternary complex, we employed several biochemical approaches to examine how JA is dynamically perceived. These analyses showed that the COI1 proteins of Arabidopsis and rice bind JA with appreciable binding affinity and revealed the kinetics and thermodynamics of the COI1-JA-JAZ ternary complex. Our results suggest that COI1 is the primary receptor perceiving the active JA molecule to initially form a COI1-JA complex that subsequently recruits JAZs for further signal transduction.
掲載誌		Mol Plant
Country		China
刊数		11(10)
ページ		1237-1247
発刊年		2018
PubMed ID		30092285
PubMed Central ID		-
DOI		10.1016/j.molp.2018.07.007
URL		-
関連情報
遺伝子		COI1 TIFY11D
INSD		-
系統	野生イネコアコレクション	-
	突然変異系統(遺伝研 Collection)	-
	種子不稔系統	-
	致死変異体系統	-
	組織別発生段階 - 突然変異系統(遺伝子)	-
	栽培イネ品種(遺伝研 Collection)	-
組織別発生段階		-