浙江省农业科学院机构知识库

Expression of the Arabidopsis vacuolar H+-pyrophosphatase gene AVP1 in peanut to improve drought and salt tolerance

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文献类型：外文期刊

作者： Qin, Hua ¹ ; Gu, Qiang ² ; Kuppu, Sundaram ² ; Sun, Li ² ; Zhu, Xunlu ² ; Mishra, Neelam ² ; Hu, Rongbin ² ; Shen, Guoxin ³ ;

作者机构： 1.Sichuan Univ, Coll Life Sci, Chengdu 610064, Sichuan, Peoples R China

2.Texas Tech Univ, Dept Biol Sci, Lubbock, TX 79409 USA

3.Zhejiang Acad Agr Sci, Hangzhou, Zhejiang, Peoples R China

4.Texas A&M Univ, Texas AgriLife Res Ctr, Lubbock, TX 79403 USA

5.Huazhong Agr Univ, Coll Plant Sci & Technol, Wuhan, Hubei, Peoples R China

6.ARS, USDA, Cropping Syst Res Lab, Lubbock, TX 79415 USA

关键词： Drought tolerance;Peanut transformation;Salt resistance;Transgenic plants;Yield improvement

期刊名称：PLANT BIOTECHNOLOGY REPORTS （影响因子：2.01；五年影响因子：1.907 ）

ISSN： 1863-5466

年卷期： 2013 年 7 卷 3 期

页码：

收录情况： SCI

摘要： The Arabidopsis gene AVP1 encodes an H+-pyrophosphatase that functions as a proton pump at the vacuolar membranes, generating a proton gradient across vacuolar membranes, which serves as the driving force for many secondary transporters on vacuolar membranes such as Na+/H+-antiporters. Overexpression of AVP1 could improve drought tolerance and salt tolerance in transgenic plants, suggesting a possible way in improving drought and salt tolerance in crops. The AVP1 was therefore introduced into peanut by Agrobacterium-mediated transformation. Analysis of AVP1-expressing peanut indicated that AVP1-overexpression in peanut could improve both drought and salt tolerance in greenhouse and growth chamber conditions, as AVP1-overexpressing peanuts produced more biomass and maintained higher photosynthetic rates under both drought and salt conditions. In the field, AVP1-overexpressing peanuts also outperformed wild-type plants by having higher photosynthetic rates and producing higher yields under low irrigation conditions.

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意见箱

Expression of the Arabidopsis vacuolar H+-pyrophosphatase gene AVP1 in peanut to improve drought and salt tolerance

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意 见 箱

作者其他论文更多>>

意见箱