Primary metabolite contents are correlated with seed protein and oil traits in near-isogenic lines of soybean
文献类型： 外文期刊
作者： Wang, Jie 1 ; Zhou, Pengfei 1 ; Shi, Xiaolei 2 ; Yang, Na 1 ; Yan, Long 2 ; Zhao, Qingsong 2 ; Yang, Chunyan 2 ; Guan, Yu 1 ;
作者机构： 1.Fujian Agr & Forestry Univ, Coll Resources & Environm, Fujian Prov Key Lab Haixia Appl Plant Syst Biol, Fuzhou 350002, Fujian, Peoples R China
2.Hebei Acad Agr & Forestry Sci, Inst Cereal & Oil Crops, Key Lab Crop Genet & Breeding Hebei, Shijiazhuang 050035, Hebei, Peoples R China
3.Fujian Agr & Forestry Univ, FAFU UCR Joint Ctr Hort Plant Biol & Technol, Fuzhou 350002, Fujian, Peoples R China
关键词： Metabolomics; Seed composition; Protein; Oil; Near-isogenic population
期刊名称：CROP JOURNAL （ 影响因子：4.407； 五年影响因子：5.687 ）
ISSN： 2095-5421
年卷期： 2019 年 7 卷 5 期
页码：
收录情况： SCI
摘要： Soybean (Glycine max [L.] Merr.) is an important source of human dietary protein and vegetable oil. A strong negative correlation between protein and oil contents has hindered efforts to improve soybean seed quality. The metabolic and genetic bases of soybean seed composition remain elusive. We evaluated metabolic diversity in a soybean near-isogenic line (NIL) population derived from parents (JD12 and CMSD) with contrasting seed oil contents. Using CC-TOF/MS, we compared seed primary metabolites of high protein/low oil lines, low protein/high oil lines, and their parents. Principal-components analysis showed that metabolic profiles of all progeny lines could be discriminated based on protein and oil contents. Univariate analysis revealed wide variation and transgressive segregation of metabolites in the population. Twenty-eight annotated metabolites, in particular free asparagine, free 3-cyanoalanine, and L-malic acid, were correlated with seed protein content or seed oil content or seed protein and oil content. These results shed light on the metabolic and genetic basis of soybean seed composition. (C) 2019 Crop Science Society of China and Institute of Crop Science, CAAS. Production and hosting by Elsevier B.V. on behalf of KeAi Communications Co., Ltd.
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