AUXIN RESPONSE FACTOR3 Regulates Floral Meristem Determinacy by Repressing Cytokinin Biosynthesis and Signaling

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成果类型：

期刊论文

作者：

Zhang, Ke;Wang, Ruozhong;Zi, Hailing;Li, Yongpeng;Cao, Xiuwei;...

通讯作者：

Liu, Xigang

作者机构：

[Zhang, Ke; Li, Dongming; Li, Yongpeng; Guo, Lin; Liu, Xigang] Chinese Acad Sci, Inst Genet & Dev Biol, Ctr Agr Resources Res, State Key Lab Plant Cell & Chromosome Engn, Shijiazhuang 050024, Hebei, Peoples R China.

[Zhang, Ke; Li, Dongming; Li, Yongpeng; Guo, Lin; Liu, Xigang] Hebei Collaborat Innovat Ctr Cell Signaling, Shijiazhuang 050024, Hebei, Peoples R China.

[Zhang, Ke; Cao, Xiuwei; Zi, Hailing] Univ Chinese Acad Sci, Beijing 100049, Peoples R China.

[Tong, Jianhua; Xiao, Langtao; Wang, Ruozhong] Hunan Agr Univ, Southern Reg Collaborat Innovat Ctr Grain & Oil C, Hunan Prov Key Lab Phytohormones & Growth Dev, Changsha 410128, Hunan, Peoples R China.

[Zi, Hailing; Liu, Renyi] Chinese Acad Sci, Shanghai Ctr Plant Stress Biol, Shanghai 201602, Peoples R China.

通讯机构：

[Liu, Xigang] C

[Liu, Xigang] H

Chinese Acad Sci, Inst Genet & Dev Biol, Ctr Agr Resources Res, State Key Lab Plant Cell & Chromosome Engn, Shijiazhuang 050024, Hebei, Peoples R China.

Hebei Collaborat Innovat Ctr Cell Signaling, Shijiazhuang 050024, Hebei, Peoples R China.

语种：

英文

期刊：

PLANT CELL

ISSN：

1040-4651

年：

2018

卷：

期：

页码：

324-346

DOI：

10.1105/tpc.17.00705

基金类别：

We thank Rae Eden Yumul for valuable advice and language editing, Bruno Müller for ProTCSn:GFP seeds, Tatsuo Kakimoto for ipt3 ipt5 ipt7 seeds, and Jianru Zuo for ProAHK4:GUS and ahk4/cre1-10 seeds. This work was funded by National Science Foundation of China (NSFC) (Project 31671354); the National Key Research and Development Program of China (2016YFD0100401); National Basic Research Program of China (973 program; Grant 2014CB138100); the CAS Pioneer Hundred Talents Program; and NSFC Grants 31401039, 31671777, and 31570372.

机构署名：

本校为其他机构

院系归属：

生物科学技术学院

摘要：

Successful floral meristem (FM) determinacy is critical for subsequent reproductive development and the plant life cycle. Although the phytohormones cytokinin and auxin interact to coregulate many aspects of plant development, whether and how cytokinin and auxin function in FM determinacy remain unclear. Here, we show that in Arabidopsis thaliana, cytokinin homeostasis is critical for FM determinacy. In this developmental context, auxin promotes the expression of AUXIN RESPONSE FACTOR3 (ARF3) to repress cytokinin activity. ARF3 directly repress...

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AUXIN RESPONSE FACTOR3 Regulates Floral Meristem Determinacy by Repressing Cytokinin Biosynthesis and Signaling

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