Genetic analysis of protein content and oil content in soybean by genome-wide association study
文献类型： 外文期刊
作者： Jin, Hui 1 ; Yang, Xue 1 ; Zhao, Haibin 1 ; Song, Xizhang 1 ; Tsvetkov, Yordan Dimitrov 1 ; Wu, YuE 1 ; Gao, Qiang 2 ; Zhang, Rui 1 ; Zhang, Jumei 1 ;
作者机构： 1.Heilongjiang Acad Agr Sci, Inst Forage & Grassland Sci, Harbin, Peoples R China
2.Heilongjiang Acad Agr Sci, Hort Branch, Harbin, Peoples R China
关键词： genome-wide association study (GWAS); marker-assisted selection (MAS); protein content; oil content; soybean; Glycine max L
期刊名称：FRONTIERS IN PLANT SCIENCE （ 影响因子：5.6； 五年影响因子：6.8 ）
ISSN： 1664-462X
年卷期： 2023 年 14 卷
页码：
收录情况： SCI
摘要： Soybean seed protein content (PC) and oil content (OC) have important economic value. Detecting the loci/gene related to PC and OC is important for the marker-assisted selection (MAS) breeding of soybean. To detect the stable and new loci for PC and OC, a total of 320 soybean accessions collected from the major soybean-growing countries were used to conduct a genome-wide association study (GWAS) by resequencing. The PC ranged from 37.8% to 46.5% with an average of 41.1% and the OC ranged from 16.7% to 22.6% with an average of 21.0%. In total, 23 and 29 loci were identified, explaining 3.4%-15.4% and 5.1%-16.3% of the phenotypic variations for PC and OC, respectively. Of these, eight and five loci for PC and OC, respectively, overlapped previously reported loci and the other 15 and 24 loci were newly identified. In addition, nine candidate genes were identified, which are known to be involved in protein and oil biosynthesis/metabolism, including lipid transport and metabolism, signal transduction, and plant development pathway. These results uncover the genetic basis of soybean protein and oil biosynthesis and could be used to accelerate the progress in enhancing soybean PC and OC.
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