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

Autor: Jieyun Li
Autor: Jindong Liu
Autor: Weie Wen
Autor: Pingzhi Zhang
Autor: Yingxiu Wan
Autor: Xianchun Xia
Autor: Yan Zhang
Autor: He Zhonghu
Año: 2017
URI: http://hdl.handle.net/10883/19125
Descripción: Wheats
Descripción: Genetic structures
Descripción: Thiamin
Descripción: Riboflavin
Resumen: 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.
Lenguaje: English
Editor: Elsevier
Copyright: CIMMYT manages Intellectual Assets as International Public Goods. The user is free to download, print, store and share this work. In case you want to translate or create any other derivative work and share or distribute such translation/derivative work, please contact CIMMYT-Knowledge-Center@cgiar.org indicating the work you want to use and the kind of use you intend; CIMMYT will contact you with the suitable license for that purpose.
Tipo: Article
Lugar: Amsterdam, Netherlands
Revista: The Crop Journal
Volumen de la Revista: In press
DOI: https://doi.org/10.1016/j.cj.2017.08.002


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    Wheat - breeding, phytopathology, physiology, quality, biotech

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