A Leaky Mutation in DWARF4 Reveals an Antagonistic Role of Brassinosteroid in the Inhibition of Root Growth by Jasmonate in Arabidopsis

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成果类型：

期刊论文

作者：

Ren, Chunmei;Han, Chengyun;Peng, Wen;Huang, Ying;Peng, Zhihong;...

通讯作者：

Xie, Daoxin

作者机构：

[Ren, Chunmei; Han, Chengyun; Peng, Zhihong; Huang, Ying] Hunan Agr Univ, Coll Biosci & Biotechnol, Crop Gene Engn Key Lab Hunan Prov, Changsha 410128, Hunan, Peoples R China.

[Han, Chengyun; Peng, Wen; Huang, Ying; Xie, Daoxin] Tsinghua Univ, Sch Life Sci, Beijing 100084, Peoples R China.

[Xiong, Xingyao; Zhu, Qi] Hunan Agr Univ, Coll Hort & Landscape, Changsha 410128, Hunan, Peoples R China.

[Gao, Bida] Hunan Agr Univ, Coll Biosafety Sci & Technol, Changsha 410128, Hunan, Peoples R China.

通讯机构：

[Xie, Daoxin] T

Tsinghua Univ, Sch Life Sci, Beijing 100084, Peoples R China.

语种：

英文

关键词：

SIGNAL-TRANSDUCTION;METHYL JASMONATE;INSECT HERBIVORES;ACID BIOSYNTHESIS;CELL ELONGATION;GENE-EXPRESSION;PLANT DEFENSE;MALE-STERILE;MUTANT;MECHANISM

期刊：

PLANT PHYSIOLOGY

ISSN：

0032-0889

年：

2009

卷：

151

期：

页码：

1412-1420

DOI：

10.1104/pp.109.140202

基金类别：

National Science Foundation of China; National Basic Research 973 Program of China; Scientific Research Fund of Hunan Provincial Education Department

机构署名：

本校为第一机构

院系归属：

园艺园林学院

植物保护学院

生物科学技术学院

摘要：

The F-box protein CORONATINE INSENSITIVE1 (COI1) plays a central role in jasmonate (JA) signaling and is required for all JA responses in Arabidopsis (Arabidopsis thaliana). To dissect JA signal transduction, we isolated the partially suppressing coi1 (psc1) mutant, which partially suppressed coi1 insensitivity to JA inhibition of root growth. The psc1 mutant partially restored JA sensitivity in coi1-2 background and displayed JA hypersensitivity in wild-type COI1 background. Genetic mapping, sequence analysis, and complementation tests revealed that psc1 is a leaky mutation of DWARF4 (DWF4) t...

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A Leaky Mutation in DWARF4 Reveals an Antagonistic Role of Brassinosteroid in the Inhibition of Root Growth by Jasmonate in Arabidopsis

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