Chalcone isomerase gene (OsCHI3) increases rice drought tolerance by scavenging ROS via flavonoid and ABA metabolic pathways

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成果类型：

期刊论文

作者：

Liu, Ting;Liu, Ling;Zhou, Tianshun;Chen, Yinke;Zhou, Huang;...

通讯作者：

Ye, Nenghui;Duan, MJ;Yuan, DY

作者机构：

[Chen, Yinke; Liu, Ling; Duan, Meijuan; Shi, Xiwen; Zhou, Huang; Ye, Nenghui; Duan, MJ; Lyu, Jiahan; Ye, NH; Liu, Ting; Zhang, Di] Hunan Agr Univ, Coll Agron, Hunan Prov Key Lab Rice Stress Biol, Changsha 410128, Peoples R China.

[Duan, Meijuan; Duan, MJ] Hunan Womens Univ, Coll Business, Changsha 410004, Hunan, Peoples R China.

[Yuan, Dingyang; Yuan, DY; Zhou, Tianshun] Hunan Acad Agr Sci, Hunan Hybrid Rice Res Ctr, State Key Lab Hybrid Rice, Changsha 410125, Hunan, Peoples R China.

[Yuan, Dingyang; Yuan, DY; Zhou, Tianshun] Hunan Univ, Coll Biol, Longping Branch, Changsha 410125, Hunan, Peoples R China.

通讯机构：

[Duan, MJ ; Ye, NH; Yuan, DY ] H

Hunan Agr Univ, Coll Agron, Hunan Prov Key Lab Rice Stress Biol, Changsha 410128, Peoples R China.

Hunan Womens Univ, Coll Business, Changsha 410004, Hunan, Peoples R China.

Hunan Acad Agr Sci, Hunan Hybrid Rice Res Ctr, State Key Lab Hybrid Rice, Changsha 410125, Hunan, Peoples R China.

Hunan Univ, Coll Biol, Longping Branch, Changsha 410125, Hunan, Peoples R China.

语种：

英文

关键词：

Chalcone isomerase gene;Flavonoids;Abscisic acid;Drought tolerance;Rice

期刊：

作物学报(英文版)

ISSN：

2095-5421

年：

2025

卷：

期：

页码：

372-384

DOI：

10.1016/j.cj.2025.01.019

基金类别：

Science and Technology Innovation Program of Hunan province [2024NK1010, 2023NK1010, 2023ZJ1080]; National Natural Science Foundation of China [U21A20208]

机构署名：

本校为第一且通讯机构

院系归属：

农学院

摘要：

The chalcone isomerase gene OsCHI , one of the key genes in the flavonoid biosynthesis pathway, plays an important role in rice ( Oryza sativa ) resistance to abiotic stresses. This study reveals how the chalcone isomerase gene family member OsCHI3 participates in rice responses to drought stress through the regulation of flavonoid biosynthesis. Overexpression of OsCHI3 increased the tolerance of rice to drought stress. In contrast, CRISPR/Cas9-mediated deletion of OsCHI3 reduced the drought tolerance of rice, an effect that is reversed by exogenous ABA treatment. Transcriptomic and physiologi...

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Chalcone isomerase gene (OsCHI3) increases rice drought tolerance by scavenging ROS via flavonoid and ABA metabolic pathways

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