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Identification of genetic loci conferring seed coat color based on a high-density map in soybean

文献类型： 外文期刊

作者： Yuan, Baoqi 1 ; Yuan, Cuiping 2 ; Wang, Yumin 2 ; Liu, Xiaodong 3 ; Qi, Guangxun 2 ; Wang, Yingnan 2 ; Dong, Lingchao 2 ; Zhao, Hongkun 2 ; Li, Yuqiu 2 ; Dong, Yingshan 1 ;

作者机构： 1.Jilin Agr Univ, Coll Agron, Changchun, Peoples R China

2.Jilin Acad Agr Sci, Soybean Res Inst, Natl Engn Res Ctr Soybean, Changchun, Peoples R China

3.Jilin Acad Agr Sci, Crop Germplasm Inst, Changchun, Peoples R China

关键词： soybean; re-sequencing; high-density genetic map; seed coat color; QTL

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： Seed coat color is a typical evolutionary trait. Identification of the genetic loci that control seed coat color during the domestication of wild soybean could clarify the genetic variations between cultivated and wild soybean. We used 276 F-10 recombinant inbred lines (RILs) from the cross between a cultivated soybean (JY47) and a wild soybean (ZYD00321) as the materials to identify the quantitative trait loci (QTLs) for seed coat color. We constructed a high-density genetic map using re-sequencing technology. The average distance between adjacent markers was 0.31 cM on this map, comprising 9,083 bin markers. We identified two stable QTLs (qSC08 and qSC11) for seed coat color using this map, which, respectively, explained 21.933 and 26.934% of the phenotypic variation. Two candidate genes (CHS3C and CHS4A) in qSC08 were identified according to the parental re-sequencing data and gene function annotations. Five genes (LOC100786658, LOC100801691, LOC100806824, LOC100795475, and LOC100787559) were predicted in the novel QTL qSC11, which, according to gene function annotations, might control seed coat color. This result could facilitate the identification of beneficial genes from wild soybean and provide useful information to clarify the genetic variations for seed coat color in cultivated and wild soybean.

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