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The antisense expression of AhPEPC1 increases seed oil production in peanuts (Arachis hypogaea L.)

文献类型： 外文期刊

作者： Pan, L.;Zhang, J.;Wan, Y.;Liu, F.;Pan, L.;Zhang, J.;Chi, X.;Chen, N.;Chen, M.;Wang, M.;Wang, T.;Yang, Z.;Zhang, Z.;Yu, S.;Chi, X.

作者机构：

关键词： Antisense expression;Lipid content;Peanut;Phosphoenolpyruvate carboxylase;Salt tolerance

期刊名称： GRASAS Y ACEITES

ISSN： 0017-3495

年卷期： 2016 年 67 卷 4 期

页码：

收录情况： SCI

摘要： Although phosphoenolpyruvate carboxylases (PEPCs) are reported to be involved in fatty acid accumulation, nitrogen assimilation, and salt and drought stresses, knowledge regarding PEPC gene functions is still limited, particularly in peanuts (Arachis hypogaea L.). In this study, the antisense expression of the peanut PEPC isoform 1 (AhPEPC1) gene increased the lipid content by 5.7%-10.3%. This indicated that AhPEPC1 might be related to plant lipid accumulation. The transgenic plants underwent more root elongation than the wild-type under salinity stress. Additionally, the specific down regulation of the AhPEPC1 gene improved the salt tolerance in peanuts. This is the first report on the role of PEPC in lipid accumulation and salt tolerance in peanuts.

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