OsTPP1 regulates seed germination through the crosstalk with abscisic acid in rice

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期刊论文

作者：

Wang, Guanqun;Li, Xiaozheng;Ye, Nenghui*;Huang, Mingkun;Feng, Lei;...

通讯作者：

Li, Haoxuan;Zhang, Jianhua;Ye, Nenghui

作者机构：

[Li, HX; Zhang, Jianhua; Wang, Guanqun; Li, Haoxuan] Hong Kong Baptist Univ, Dept Biol, Kowloon, Hong Kong, Peoples R China.

[Li, Xiaozheng] Shenzhen Univ, Coll Life Sci & Oceanog, Shenzhen, Peoples R China.

[Ye, Nenghui] Hunan Agr Univ, Southern Reg Collaborat Innovat Ctr Grain & Oil C, Coll Agr, Changsha 410128, Peoples R China.

[Li, HX; Zhang, Jianhua; Li, Haoxuan; Huang, Mingkun; Feng, Lei] Chinese Univ Hong Kong, Sch Life Sci, Shatin, Hong Kong, Peoples R China.

[Li, HX; Zhang, Jianhua; Li, Haoxuan; Huang, Mingkun; Feng, Lei] Chinese Univ Hong Kong, State Key Lab Agrobiotechnol, Shatin, Hong Kong, Peoples R China.

通讯机构：

[Li, HX; Zhang, JH; Ye, Nenghui] H

[Li, HX; Zhang, JH] C

Hong Kong Baptist Univ, Dept Biol, Kowloon, Hong Kong, Peoples R China.

Hunan Agr Univ, Southern Reg Collaborat Innovat Ctr Grain & Oil C, Coll Agr, Changsha 410128, Peoples R China.

Chinese Univ Hong Kong, Sch Life Sci, Shatin, Hong Kong, Peoples R China.

语种：

英文

关键词：

ABA-responsive genes;abscisic acid (ABA);GAMYB;OsTPP1;rice;seed germination;trehalose

期刊：

New Phytologist

ISSN：

0028-646X

年：

2021

卷：

230

期：

页码：

1925-1939

DOI：

10.1111/nph.17300

基金类别：

This work was supported by the National Key Research and Development Program of China (2018YFA0902500), Shenzhen Science and Technology Research Funding (JCYJ20180305124041430),National Key Research and Development Program of China (2017YFD0301502), the National Natural Science Foundation of China (NSFC31771701) and the Hong Kong Research Grant Council (AoE/M‐05/12, AoE/M‐403/16, GRF14122415, 14160516, 14177617, 12100318, 1210321, 12103220). The authors declare that they have no competing interests.

机构署名：

本校为通讯机构

院系归属：

农学院

摘要：

Seed germination is essential for direct seeding in rice. It has been demonstrated that trehalose-6-phosphate phosphatase 1 (OsTPP1) plays roles in improving yield and stress tolerance in rice. In this study, the roles of OsTPP1 on seed germination in rice were investigated. The tpp1 mutant germinated slower than the wild-type (WT), which can be restored by exogenous trehalose. tpp1 seeds showed higher ABA content compared with WT seeds. The tpp1 mutant was hypersensitive to ABA and ABA catabolism inhibitor (Dinicozanole). Furthermore, two ABA ...

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OsTPP1 regulates seed germination through the crosstalk with abscisic acid in rice

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