Integrative analysis of metabolome and transcriptome reveals the improvements of seed quality in vegetable soybean (Glycine max (L.) Merr.)
文献类型： 外文期刊
作者： Chen, Zhengjie 1 ; Zhong, Wenjuan 1 ; Zhou, Yonghang 1 ; Ji, Peicheng 1 ; Wan, Yonglu 1 ; Shi, Shengjia 1 ; Yang, Zehu 1 ; Gong, Yiyun 1 ; Mu, Fangsheng 1 ; Chen, Siwei 1 ;
作者机构： 1.Sichuan Acad Agr Sci, Ind Crop Res Inst, 159 Huajin Avanue,Qingbaijiang Dist, Chengdu 610300, Peoples R China
关键词： Glycine max (L; ) Merr; Fabaceae; Seed quality; Metabolome; Transcriptome; Sucrose; Flavonoid
期刊名称：PHYTOCHEMISTRY （ 影响因子：4.004； 五年影响因子：4.129 ）
ISSN： 0031-9422
年卷期： 2022 年 200 卷
页码：
收录情况： SCI
摘要： Vegetable soybean is derived from grain soybean. Seeds of vegetable soybean are bigger, sweeter, and have smoother texture and better flavor than those of grain soybean. To better understand the improvements of seed quality in vegetable soybean, comparative metabolome and transcriptome analyses were performed in the developing seeds between grain (Williams 82) and vegetable (Jiaoda 133) soybeans. A total of 299 differential metabolites were identified between two genotypes, with an increase in free amino acids, carbohydrates, sterols, and flavonoids and a decrease in fatty acid in vegetable soybean. Thousands of differentially expressed genes (DEGs) were identified by transcriptome analysis. DEGs were used for weighted gene co-expression network analysis (WGCNA), yielding 16 co-expression modules. The expression patterns of DEGs within these modules were distinct between two genotypes. Functional enrichment analysis revealed that metabolic pathways, including alanine, aspartate and glutamate metabolism, fatty acid degradation, starch and sucrose metabolism, sucrose transport, and flavonoid biosynthesis, were up-regulated, whereas photosynthesis, arginine biosynthesis, arginine and proline metabolism, glycolysis/gluconeogenesis, and fatty acid biosynthesis were down-regulated in vegetable soybean. Reasonably, the alterations of metabolic pathways corresponding to DEGs partly explained the formation of differential metabolites. These findings provide a better understanding of seed development and breeding improvements of vegetable soybean.
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