Maize LAZY1 Mediates Shoot Gravitropism and Inflorescence Development through Regulating Auxin Transport, Auxin Signaling, and Light Response

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成果类型：

期刊论文

作者：

Dong, Zhaobin;Jiang, Chuan;Chen, Xiaoyang;Zhang, Tao;Ding, Lian;...

通讯作者：

Jin, Weiwei

作者机构：

[Dong, Zhaobin; Jin, Weiwei; Chen, Xiaoyang; Lai, Jinsheng; Song, Weibin] China Agr Univ, Coordinated Res Ctr Crop Biol, Beijing Key Lab Crop Genet Improvement, Natl Maize Improvement Ctr China, Beijing 100193, Peoples R China.

[Jiang, Chuan] Shandong Agr Univ, Coll Agr, State Key Lab Crop Biol, Tai An 271018, Shandong, Peoples R China.

[Zhang, Tao] Univ Elect Sci & Technol China, Sch Life Sci & Technol, Chengdu 610054, Sichuan, Peoples R China.

[Zhang, Xiaolan; Ding, Lian] China Agr Univ, Dept Vegetable Sci, Beijing Key Lab Growth & Dev Regulat Protected Ve, Beijing 100193, Peoples R China.

[Luo, Hongbing] Hunan Agr Univ, Coll Agron, Changsha 410128, Hunan, Peoples R China.

通讯机构：

[Jin, Weiwei] C

China Agr Univ, Coordinated Res Ctr Crop Biol, Beijing Key Lab Crop Genet Improvement, Natl Maize Improvement Ctr China, Beijing 100193, Peoples R China.

语种：

英文

期刊：

PLANT PHYSIOLOGY

ISSN：

0032-0889

年：

2013

卷：

163

期：

页码：

1306-1322

DOI：

10.1104/pp.113.227314

基金类别：

Ministry of Science and Technology [2012AA10A305, 2009CB118400]; Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [31025018, 31171399]; National Transgenic Key Project [2011ZX08009-001]

机构署名：

本校为其他机构

院系归属：

农学院

摘要：

Auxin is a plant hormone that plays key roles in both shoot gravitropism and inflorescence development. However, these two processes appear to be parallel and to be regulated by distinct players. Here, we report that the maize (Zea mays) prostrate stem1 mutant, which is allelic to the classic mutant lazy plant1 (la1), displays prostrate growth with reduced shoot gravitropism and defective inflorescence development. Map-based cloning identified maize ZmLA1 as the functional ortholog of LAZY1 in rice (Oryza sativa) and Arabidopsis (Arabidopsis thaliana). It has a unique role in inflorescence dev...

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Maize LAZY1 Mediates Shoot Gravitropism and Inflorescence Development through Regulating Auxin Transport, Auxin Signaling, and Light Response

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