Methylation of phytohormones by the SABATH methyltransferases

In plants, one of the most common modifications of secondary metabolites is methylation catalyzed by various methyltransferases Recently, a new class of methyltransferases, the SABATH family of methyltransferases, was found to modify phytohormones and other small molecules. The SABATH methyltransfer...

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Bibliographic Details
Published in:Chinese science bulletin 2010-07, Vol.55 (21), p.2211-2218
Main Authors: Qu, LiJia, Li, Shuang, Xing, ShuFan
Format: Article
Language:English
Subjects:
Arabidopsis
Chemistry/Food Science
Earth Sciences
Engineering
Genetic analysis
Humanities and Social Sciences
Life Sciences
multidisciplinary
Physics
Review
Science
Science (multidisciplinary)
应激反应
植物生长发育
次生代谢产物
生理过程
甲基化
甲基转移酶
遗传分析
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Summary:In plants, one of the most common modifications of secondary metabolites is methylation catalyzed by various methyltransferases Recently, a new class of methyltransferases, the SABATH family of methyltransferases, was found to modify phytohormones and other small molecules. The SABATH methyltransferases share little sequence similarity with other well characterized methyl- transferases. Arabidopsis has 24 members of the SABATH methyltransferase genes, and a subset of them has been shown to catalyze the formation of methyl esters with phytohormones and other small molecules. Physiological and genetic analyses show that methylation of phytohormones plays important roles in regulating various biological processes in plants, including stress responses, leaf development, and seed maturation/germination. In this review, we focus on phytohormone methylation by the SABATH family methyltransferases and the implication of these modifications in plant development.
ISSN:1001-6538
1861-9541
DOI:10.1007/s11434-010-3245-x