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

被引：3

作者：

Pan, L. ^{[1
,2
]}

Zhang, J. ^{[1
,2
]}

Chi, X. ^{[2
,3
]}

Chen, N. ^{[2
]}

Chen, M. ^{[2
]}

Wang, M. ^{[2
]}

Wang, T. ^{[2
]}

Yang, Z. ^{[2
]}

Zhang, Z. ^{[2
]}

Wan, Y. ^{[1
]}

Yu, S. ^{[2
]}

Liu, F. ^{[1
]}

机构：

[1] Shandong Agr Univ, Coll Agron Sci, Shandong Key Lab Crop Biol, State Key Lab Crop Biol, Tai An 271018, Shandong, Peoples R China

[2] Shandong Peanut Res Inst, Qingdao 266100, Peoples R China

[3] Chinese Acad Agr Sci, Minist Agr, Oil Crops Res Inst, Key Lab Biol & Genet Improvement Oil Crops, Wuhan 430062, Peoples R China

来源：

GRASAS Y ACEITES | 2016年 / 67卷 / 04期

基金：

中国国家自然科学基金;

关键词：

Antisense expression; Lipid content; Peanut; Phosphoenolpyruvate carboxylase; Salt tolerance; CLASS-2 PEPC COMPLEX; PHOSPHOENOLPYRUVATE CARBOXYLASE; BACTERIAL-TYPE; DEVELOPING CASTOR; GENE-EXPRESSION; IDENTIFICATION; ARABIDOPSIS; SUBUNIT; KINASE; FAMILY;

D O I：

10.3989/gya.0322161

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

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.

引用

页数：7

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