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The Identification of a Yield-Related Gene Controlling Multiple Traits Using GWAS in Sorghum (Sorghum bicolor L.)

文献类型： 外文期刊

作者： Zhang, Yizhong 1 ; Fan, Xinqi 2 ; Liang, Du 2 ; Guo, Qi 2 ; Zhang, Xiaojuan 2 ; Nie, Mengen 2 ; Li, Chunhong 4 ; Meng, Shan 4 ; Zhang, Xianggui 4 ; Xu, Peng 4 ; Guo, Wenqi 4 ; Wang, Huiyan 1 ; Liu, Qingshan 3 ; Wu, Yuxiang 1 ;

作者机构： 1.Shanxi Agr Univ, Coll Agr, Taigu 030801, Peoples R China

2.Shanxi Agr Univ, Sorghum Res Inst, Shanxi Key Lab Sorghum Genet & Germplasm Innovat, Yuci 030600, Peoples R China

3.Shanxi Agr Univ, Shanxi Key Lab Minor Crops Germplasm Innovat & Mol, State Key Lab Sustainable Dryland Agr In Preparat, Taiyuan 030031, Peoples R China

4.Jiangsu Acad Agr Sci, Nanjing 210014, Peoples R China

关键词： sorghum; six yield-related traits; GWAS; VIP5; breeding

期刊名称：PLANTS-BASEL （ 影响因子：4.5； 五年影响因子：4.8 ）

ISSN：

年卷期： 2023 年 12 卷 7 期

页码：

收录情况： SCI

摘要： Sorghum bicolor (L.) is one of the oldest crops cultivated by human beings which has been used in food and wine making. To understand the genetic diversity of sorghum breeding resources and further guide molecular-marker-assisted breeding, six yield-related traits were analyzed for 214 sorghum germplasm from all over the world, and 2,811,016 single-nucleotide polymorphisms (SNPs) markers were produced by resequencing these germplasms. After controlling Q and K, QTLs were found to be related to the traits using three algorisms. Interestingly, an important QTL was found which may affect multiple traits in this study. It was the most likely candidate gene for the gene SORBI_3008G116500, which was a homolog of Arabidopsis thaliana gene-VIP5 found by analyzing the annotation of the gene in the LD block. The haplotype analysis showed that the SORBI_3008G116500(hap3) was the elite haplotype, and it only existed in Chinese germplasms. The traits were proven to be more associated with the SNPs of the SORBI_3008G116500 promoter through gene association studies. Overall, the QTLs and the genes identified in this study would benefit molecular-assisted yield breeding in sorghum.

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