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Using transcriptomic and metabolomic data to investigate the molecular mechanisms that determine protein and oil contents during seed development in soybean

文献类型： 外文期刊

作者： Xu, Wenjing 1 ; Wang, Qiong 1 ; Zhang, Wei 1 ; Zhang, Hongmei 1 ; Liu, Xiaoqing 1 ; Song, Qingxin 3 ; Zhu, Yuelin 2 ; Cui, Xiaoyan 1 ; Chen, Xin 1 ; Chen, Huatao 1 ;

作者机构： 1.Jiangsu Acad Agr Sci, Inst Ind Crops, Nanjing, Peoples R China

2.Nanjing Agr Univ, Coll Hort, Nanjing, Peoples R China

3.Nanjing Agr Univ, Natl Ctr Soybean Improvement, Jiangsu Collaborat Innovat Ctr Modern Crop Prod, State Key Lab Crop Genet & Germplasm Enhancement, Nanjing, Peoples R China

关键词： protein content; oil content; gene expression pattern; metabolic pathway; molecular regulation; soybean

期刊名称：FRONTIERS IN PLANT SCIENCE （ 影响因子：6.627； 五年影响因子：7.255 ）

ISSN： 1664-462X

年卷期： 2022 年 13 卷

页码：

收录情况： SCI

摘要： Soybean [Glycine max (L.) Merri.] is one of the most valuable global crops. And vegetable soybean, as a special type of soybean, provides rich nutrition in people's life. In order to investigate the gene expression networks and molecular regulatory mechanisms that regulate soybean seed oil and protein contents during seed development, we performed transcriptomic and metabolomic analyses of soybean seeds during development in two soybean varieties that differ in protein and oil contents. We identified a total of 41,036 genes and 392 metabolites, of which 12,712 DEGs and 315 DAMs were identified. Analysis of KEGG enrichment demonstrated that DEGs were primarily enriched in phenylpropanoid biosynthesis, glycerolipid metabolism, carbon metabolism, plant hormone signal transduction, linoleic acid metabolism, and the biosynthesis of amino acids and secondary metabolites. K-means analysis divided the DEGs into 12 distinct clusters. We identified candidate gene sets that regulate the biosynthesis of protein and oil in soybean seeds, and present potential regulatory patterns that high seed-protein varieties may be more sensitive to desiccation, show earlier photomorphogenesis and delayed leaf senescence, and thus accumulate higher protein contents than high-oil varieties.

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