OsPM1 is a positive regulator of rice tolerance to drought stress but a negative regulator of rice tolerance to salt stress

被引：10

作者：

Wang, Wei ^{[1
]}

Quan, Changqian ^{[1
,2
]}

Zheng, Shiwei ^{[1
]}

Wang, Yu Wei ^{[1
]}

Mo, Yuhan ^{[1
]}

Ma, Chuan ^{[1
]}

Xu, Zhengjun ^{[1
]}

Li, Lihua ^{[1
]}

Huang, Zhengjian ^{[1
]}

Jia, Xiaomei ^{[1
]}

Ye, Xiaoying ^{[1
]}

Zhu, Jianqing ^{[1
]}

Liu, Huainian ^{[1
]}

Chen, Rongjun ^{[1
]}

机构：

[1] Sichuan Agr Univ, Crop Ecophysiol & Cultivat Key Lab Sichuan Prov, Rice Res Inst, Chengdu 611130, Sichuan, Peoples R China

[2] Guangxi Bot Garden Med Plant, Guangxi Key Lab Med Resources Protect & Genet Imp, Nanning, Peoples R China

来源：

JOURNAL OF PLANT INTERACTIONS | 2021年 / 16卷 / 01期

关键词：

Rice; intrinsically disordered; salt; abscisic acid; cis-acting element; TRANSCRIPTION FACTOR; GENE; EXPRESSION; RESPONSES; SALINITY; NETWORKS; PROTEINS; FAMILY; GROWTH; WHEAT;

D O I：

10.1080/17429145.2021.1921294

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

To understand stress response mechanisms, a multiple stress-responsive gene OsPM1 with a disordered region containing about 30 amino acid residues was screened by microarray. Promoter region analysis using PlantCARE showed this gene contains multiple cis-regulatory elements responding to abiotic stresses. Quantitative real-time PCR and promoter-GUS transgenic plant analysis verified that OsPM1 was induced by multiple abiotic stresses. OsPM1-GFP fusion protein expression showed that OsPM1 was localized at the cell membrane. The rice plants overexpressing OsPM1 exhibited hypersensitivity to salt stress but enhanced drought tolerance compared to the wild-type plants; the rice plants expressing antisense of OsPM1 were hyposensitive to salt stress but with weak drought tolerance compared to the wild-type plants. These results showed OsPM1 is a positive regulator of rice tolerance to drought, but it's also a negative regulator of rice tolerance to salt.

引用

页码：213 / 221

页数：9

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