AtPER1 enhances primary seed dormancy and reduces seed germination by suppressing the ABA catabolism and GA biosynthesis in Arabidopsis seeds

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成果类型：

期刊论文

作者：

Chen, Huhui;Ruan, Jiuxiao;Chu, Pu*;Fu, Wei;Liang, Zhenwei;...

通讯作者：

Huang, Shangzhi;Chu, Pu

作者机构：

[Chen, Huhui; Li, Chenlong; Liang, Zhenwei; Huang, Shangzhi; Ruan, Jiuxiao; Fu, Wei; Li, Yin] Sun YAT SEN Univ, Sch Life Sci, State Key Lab Biocontrol, Guangzhou 510275, Guangdong, Peoples R China.

[Chen, Huhui; Li, Chenlong; Liang, Zhenwei; Huang, Shangzhi; Ruan, Jiuxiao; Fu, Wei; Li, Yin] Sun YAT SEN Univ, Sch Life Sci, Guangdong Key Lab Plant Resource, Guangzhou 510275, Guangdong, Peoples R China.

[Chu, Pu] Nanjing Agr Univ, Coll Agr, State Key Lab Crop Genet & Germplasm Enhancement, Nanjing 210095, Jiangsu, Peoples R China.

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

[Liu, Jun] Guangdong Acad Agr Sci, Agrobiol Gene Res Ctr, Guangzhou 510640, Guangdong, Peoples R China.

通讯机构：

[Huang, Shangzhi] S

[Chu, Pu] N

Sun YAT SEN Univ, Sch Life Sci, State Key Lab Biocontrol, Guangzhou 510275, Guangdong, Peoples R China.

Sun YAT SEN Univ, Sch Life Sci, Guangdong Key Lab Plant Resource, Guangzhou 510275, Guangdong, Peoples R China.

Nanjing Agr Univ, Coll Agr, State Key Lab Crop Genet & Germplasm Enhancement, Nanjing 210095, Jiangsu, Peoples R China.

语种：

英文

关键词：

1-cys peroxiredoxin;AtPER1;primary seed dormancy;ABA;ROS;Arabidopsis thaliana

期刊：

PLANT JOURNAL

ISSN：

0960-7412

年：

2020

卷：

101

期：

页码：

310-323

DOI：

10.1111/tpj.14542

基金类别：

Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [31700283, 31570372]; Natural Science Foundation grant of Guangdong Province [2017A030313197]

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：

Seed is vital to the conservation of germplasm and plant biodiversity. Seed dormancy is an adaptive trait in numerous seed-plant species, enabling plants to survive under stressful conditions. Seed dormancy is mainly controlled by abscisic acid (ABA) and gibberellin (GA) and can be classified as primary and secondary seed dormancy. The primary seed dormancy is induced by maternal ABA. Here we found that AtPER1, a seed-specific peroxiredoxin, is involved in enhancing primary seed dormancy. Two loss-of-function atper1 mutants, atper1-1 and atper1-2, displayed suppressed primary seed dormancy acc...

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AtPER1 enhances primary seed dormancy and reduces seed germination by suppressing the ABA catabolism and GA biosynthesis in Arabidopsis seeds

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