Phosphatidic Acid Regulates BZR1 Activity andBrassinosteroid Signal of Arabidopsis
Phosphatidic Acid Regulates BZR1 Activity and Brassinosteroid Signal of Arabidopsis作者机构：Key Laboratory of Plant Molecular Physiology Institute of Botany Chinese Academy of Sciences Beijing 100093 China University of Chinese Academy of Sciences Beijing 100049 China National Key Laboratory of Plant Molecular Genetics Institute of Plant Physiology and Ecology Shanghai Institutes for Biological Sciences Chinese Academy of Sciences 200032 Shanghai China
出 版 物：《Molecular Plant》 (分子植物（英文版）)
年 卷 期：2014年第7卷第2期
页 面：445-447页
核心收录：
学科分类：0710[理学-生物学] 071001[理学-植物学] 07[理学]
主 题：PLANT-GROWTH TRANSDUCTION RESPONSES
摘 要：Dear Editor, Brassinosteroid （BR） is an important hormone and playscrucial roles in plant growth and development （Kim andWang, 2010）. Genetics studies identify many componentsinvolving in BR signaling, including transcript factor BZR1（BRASSINAZOLE RESISTANT 1）. BZR1 is dephosphorylated （Heet al., 2005） to regulate expression of target genes. A sin-gle amino acid mutation in BZR1 PEST domain results inenhanced binding and dephosphorylation by PP2A （PROTEINPHOSPHATASE 2A; Tang et al., 2011）, leading to constitutivelyactivated BZR1 and enhanced BR signal in gain-of-functionmutant bzr1-1D. Although BR signal is well characterized inArabidopsis, how the components of BR signaling transduc-tion pathway are reclulated needs further illustrations.
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