Evidence map›Paper›PMID 38654179›Full record

ArticleBMC plant biology2024

Overexpression of OsNAR2.1 by OsNAR2.1 promoter increases drought resistance by increasing the expression of OsPLDα1 in rice.

Yamei Wang, Hongyan Liu, Lu Bai, Ruifang Liu, Hongzhen Jiang, Jinfang Tan, Jingguang Chen

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Article in BMC plant biology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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4 · The record

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5 · Who and what money

Authors and funding

7 authors.

Yamei Wang *School of Agriculture, Shenzhen Campus of Sun Yat-sen University, Shenzhen, Guangdong, 518107, China.
Hongyan Liu *School of Breeding and Multiplication (Sanya Institute of Breeding and Multiplication), Hainan University, Sanya, Hainan, 572025, China.
Lu BaiSchool of Agriculture, Shenzhen Campus of Sun Yat-sen University, Shenzhen, Guangdong, 518107, China.
Ruifang LiuThe High School Affiliated to Renmin, University of China, Shenzhen, Guangdong, 518119, China.
Hongzhen JiangSchool of Agriculture, Shenzhen Campus of Sun Yat-sen University, Shenzhen, Guangdong, 518107, China.
Jinfang TanSchool of Agriculture, Shenzhen Campus of Sun Yat-sen University, Shenzhen, Guangdong, 518107, China.
Jingguang ChenSchool of Agriculture, Shenzhen Campus of Sun Yat-sen University, Shenzhen, Guangdong, 518107, China. chenjg28@mail.sysu.edu.cn.

Funding

Basic and Applied Basic Research Foundation of Guangdong Province 2022A1515111057China Postdoctoral Science Foundation 2022M723659Shenzhen Science and Technology Innovation Program JCYJ20210324124409027
6 · The paper itself

Abstract

backgroundpOsNAR2.1:OsNAR2.1 expression could significantly increase nitrogen uptake efficiency and grain yield of rice.

resultThis study reported the effects of overexpression of OsNAR2.1 by OsNAR2.1 promoter on physiological and agronomic traits associated with drought tolerance. In comparison to the wild-type (WT), the pOsNAR2.1:OsNAR2.1 transgenic lines exhibited a significant improvement in survival rate when subjected to drought stress and then irrigation. Under limited water supply conditions, compared with WT, the photosynthesis and water use efficiency (WUE) of transgenic lines were increased by 39.2% and 28.8%, respectively. Finally, the transgenic lines had 25.5% and 66.4% higher grain yield than the WT under full watering and limited water supply conditions, respectively. Compared with the WT, the agronomic nitrogen use efficiency (NUE) of transgenic lines increased by 25.5% and 66.4% under full watering and limited water supply conditions, and the N recovery efficiency of transgenic lines increased by 29.3% and 50.2%, respectively. The interaction between OsNAR2.1 protein and OsPLDα1 protein was verified by yeast hybrids. After drought treatment, PLDα activity on the plasma membrane of the transgenic line increased 85.0% compared with WT.

conclusionThese results indicated that pOsNAR2.1:OsNAR2.1 expression could improve the drought resistance of rice by increasing nitrogen uptake and regulating the expression of OsPLDα1.

Indexed as

DroughtsGene Expression Regulation, PlantOryzaPlant ProteinsPromoter Regions, GeneticDrought ResistanceNitrogenPlants, Genetically ModifiedNitrogenPlant ProteinsDrought toleranceGrain yieldOsPLDα1pOsNAR2.1:OsNAR2.1 expressionRice, Water use efficiency

Identifiers

PMID38654179
PMCPMC11040742

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