The Genetic Architecture of Grain Yield in Spring Wheat Based on Genome-Wide Association Study

文献类型： 外文期刊

第一作者： Li, Yuyao

作者： Li, Yuyao;Yu, Lihe;Li, Yuyao;Yan, Wenyi;Yu, Lihe;Tang, Jingquan;Liu, Wenlin;Sun, Yan;Zhang, Hongji;Che, Jingyu;Tian, Chao

作者机构：

关键词： GWAS; marker-assisted selection; single nucleotide polymorphism; Triticum aestivum; grain yield

期刊名称：FRONTIERS IN GENETICS （ 影响因子：4.772； 五年影响因子：4.933 ）

ISSN：

年卷期： 2021 年 12 卷

页码：

收录情况： SCI

摘要： Uncovering the genetic architecture for grain yield (GY)-related traits is important for wheat breeding. To detect stable loci for GY-related traits, a genome-wide association study (GWAS) was conducted in a diverse panel, which included 251 elite spring wheat accessions mainly from the Northeast of China. In total, 52,503 single nucleotide polymorphisms (SNPs) from the wheat 55 K SNP arrays were used. Thirty-eight loci for GY-related traits were detected and each explained 6.5-16.7% of the phenotypic variations among which 12 are at similar locations with the known genes or quantitative trait loci and 26 are likely to be new. Furthermore, six genes possibly involved in cell division, signal transduction, and plant development are candidate genes for GY-related traits. This study provides new insights into the genetic architecture of GY and the significantly associated SNPs and accessions with a larger number of favorable alleles could be used to further enhance GY in breeding.

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