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Genome-wide association mapping of vitamins B1 and B2 in common wheat

文献类型： 外文期刊

作者： Li, Jieyun 1 ; Liu, Jindong 1 ; Wen, Wei'e 1 ; Zhang, Pingzhi 3 ; Wan, Yingxiu 3 ; Xia, Xianchun 1 ; Zhang, Yan 1 ; He, Z 1 ;

作者机构： 1.Chinese Acad Agr Sci, Natl Wheat Improvement Ctr, Inst Crop Sci, Beijing 100081, Peoples R China

2.CAAS, Int Maize & Wheat Improvement Ctr CIMMYT, China Off, Beijing 100081, Peoples R China

3.Anhui Acad Agr Sci, Crop Res Inst, Hefei 230001, Anhui, Peoples R China

关键词： 90 K SNP assay; GWAS; Vitamin B1; Vitamin B2; Triticum aestivum

期刊名称：CROP JOURNAL （ 影响因子：4.407； 五年影响因子：5.687 ）

ISSN： 2095-5421

年卷期： 2018 年 6 卷 3 期

页码：

收录情况： SCI

摘要： Vitamin B is essential for maintaining normal life activities in humans and animals who have to intake the microelement from the outside, especially from cereal products. In the present study 166 Chinese and foreign wheat cultivars planted in two environments were characterized for variation in vitamin B1 and B2 contents. A genome-wide association study (GWAS) using the wheat 90 K SNP assay identified 17 loci for vitamin B1 and 7 for vitamin B2 contents. Linear regression analysis showed a significantly positive correlation of the number of favorable alleles with vitamin B1 and B2 contents. Marker-trait associations (MTAs) at IWB43809 (6AS, 0 cM) and IWB69903 (6AS, 13 cM) were new and stable, and significantly associated with vitamin B1 content across two environments. The loci identified in this study and associated SNP markers could be used for improvement of vitamin B1 and B2 contents to obtain superior quality along with grain yield in wheat. (C) 2017 Crop Science Society of China and Institute of Crop Science, CAAS. Production and hosting by Elsevier B.V.

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