河北省农林科学院机构知识库

Identification of molecular markers linked to the genes for purple grain color in wheat (Triticum aestivum)

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文献类型：外文期刊

作者： Li, Xing-Pu ¹ ; Lan, Su-Que ¹ ; Zhang, Ye-Lun ¹ ; Liu, Yu-Ping ¹ ;

作者机构： 1.Hebei Acad Agr & Forestry Sci, Inst Cereal & Oil Crops, Shijiazhuang 050031, Peoples R China

关键词： genetic distance;Triticum aestivum.;Bread wheat;BSA;Inheritance analysis;Purple grain;SSR;Internet resource.

期刊名称：GENETIC RESOURCES AND CROP EVOLUTION （影响因子：1.524；五年影响因子：1.713 ）

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收录情况： SCI

摘要： Pericarp color in wheat is an important trait related to nutrients and health benefits. Identification of molecular markers closely linked to the grain color genes will help utilize pericarp trait in wheat breeding. Genetic studies involving F, F, and F populations from the cross Jizi 439 (purple grain)/Gao8901 (white grain) showed that the purple grain color was controlled by two genes. By using the bulked segregant analysis (BSA) approach, two DNA pools were established from the dark purple-grain and white-grain plants respectively. Among the 230 pairs of microsatellite primers used in this study, two markers showed polymorphism in DNA pools, parents, F and F populations. Linkage analysis indicated that the two markers Xgwm47 and Xgwm155 were linked with two purple pigment genes. One of the purple pigment genes is located on chromosome 2AS and is 34.7cM away from the marker Xgwm47, whereas another gene is mapped on 3AL with 14.7cM away from marker Xgwm155.

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