Integrated Analysis of Comparative Lipidomics and Proteomics Reveals the Dynamic Changes of Lipid Molecular Species in High-Oleic Acid Peanut Seed
文献类型： 外文期刊
作者： Liu, Hao 1 ; Hong, Yanbin 1 ; Lu, Qing 1 ; Li, Haifen 1 ; Gu, Jianzhong 2 ; Ren, Li 2 ; Deng, Li 2 ; Zhou, Baojin 3 ; Chen, 1 ;
作者机构： 1.Guangdong Acad Agr Sci, Crops Res Inst, Guangdong Prov Key Lab Crop Genet Improvement, South China Peanut Subctr,Natl Ctr Oilseed Crops, Guangzhou 510640, Peoples R China
2.Kaifeng Acad Agr & Forestry, Peanut Res Inst, Kaifeng 475004, Peoples R China
3.Shenzhen Deepx Biotechnol Co Ltd, Shenzhen 518000, Peoples R China
关键词： peanut; lipidomics; high oleic acid; FAD2; TAGs assembly
期刊名称：JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY （ 影响因子：5.279； 五年影响因子：5.269 ）
ISSN： 0021-8561
年卷期： 2020 年 68 卷 1 期
页码：
收录情况： SCI
摘要： Modern peanut contains fatty acid desaturase 2 (FAD2) mutation, which is capable of producing high oleic acid for human health. However, the dynamic changes of the lipidome regarding fad2 remain elusive in peanut seed. In the present study, 547 lipid features were identified in high- and normal-oleic peanut seeds by utilizing the mass spectrometric approach. The fad2-induced differently expressed lipids (DELs) were polarly distributed at early and maturation stages during high-oleic acid (OA) seed development. Subsequently, integration of previously published proteomic data and lipidomic data revealed that 21 proteins and 149 DELs were annotated into the triacylglycerol assembly map, of which nine enzymes and 31 lipid species shared similar variation tendencies. Additionally, the variation tendencies of 17 acyl fatty acids were described in a hypothetical biosynthetic pathway. Collectively, the understanding of the lipid composition correlated with fad2 established a foundation for future high-OA peanut breeding based on lipidomic data.
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