Genetic analysis of morphological traits in spring wheat from the Northeast of China by a genome-wide association study
文献类型： 外文期刊
作者： Liu, Wenlin 1 ; Li, Yuyao 2 ; Sun, Yan 1 ; Tang, Jingquan 1 ; Che, Jingyu 3 ; Yang, Shuping 1 ; Wang, Xiangyu 1 ; Zhang, Rui 4 ; Zhang, Hongji 1 ;
作者机构： 1.Heilongjiang Acad Agr Sci, Crop Resources Inst, Harbin, Peoples R China
2.Heilongjiang Acad Agr Sci, Harbin, Peoples R China
3.Heilongjiang Acad Agr Sci, KeShan Branch, Qiqihar, Peoples R China
4.Heilongjiang Acad Agr Sci, Inst Forage & Grassland Sci, Harbin, Peoples R China
关键词： GWAS; marker-assisted selection; Triticum aestivum L; spring wheat; morphological traits
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： 2022 年 13 卷
页码：
收录情况： SCI
摘要： Identification of the gene for agronomic traits is important for the wheat marker-assisted selection (MAS) breeding. To identify the new and stable loci for agronomic traits, including flag leaf length (FLL), flag leaf width (FLW), uppermost internode length (UIL), and plant morphology (PM, including prostrate, semi-prostrate, and erect). A total of 251 spring wheat accessions collected from the Northeast of China were used to conduct genome-wide association study (GWAS) by 55K SNP arrays. A total of 30 loci for morphological traits were detected, and each explained 4.8-17.9% of the phenotypic variations. Of these, 13 loci have been reported by previous studies, and the other 17 are novel. We have identified seven genes involved in the signal transduction, cell-cycle progression, and plant development pathway as candidate genes. This study provides new insights into the genetic basis of morphological traits. The associated SNPs and accessions with more of favorable alleles identified in this study could be used to promote the wheat breeding progresses.
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