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Mapping Genes Governing Flower and Seedcoat Color in Asparagus Bean (Vigna unguiculata ssp sesquipedalis) Based on Single Nucleotide Polymorphism and Simple Sequence Repeat Markers

文献类型： 外文期刊

作者： Xu, Pei 1 ; Hu, Tingting 1 ; Yang, Yuejian 1 ; Wu, Xiaohua 1 ; Wang, Baogen 1 ; Liu, Yonghua 1 ; Qin, Dehui 1 ; Ehlers, J 1 ;

作者机构： 1.Zhejiang Acad Agr Sci, Inst Vegetables, Hangzhou 310021, Zhejiang, Peoples R China

2.Univ Calif Riverside, Dept Bot & Plant Sci, Riverside, CA 92521 USA

关键词： asparagus bean;flower color;seedcoat color;linkage mapping;synteny

期刊名称：HORTSCIENCE （ 影响因子：1.455； 五年影响因子：1.617 ）

ISSN： 0018-5345

年卷期： 2011 年 46 卷 8 期

页码：

收录情况： SCI

摘要： Colors of flower and seedcoat are interesting traits of asparagus bean, a cultivated subspecies of cowpea grown throughout Asia for its tender, long green pods. Little is known about the inheritance of these traits including their genome location. We report here the genetic analysis and mapping of the genes governing flower and seedcoat color in asparagus bean based on single nucleotide polymorphism (SNP) and simple sequence repeat (SSR) markers. Analysis of the F(1) and F(7:8) generation of recombinant inbred lines (RILs) population showed a monogenetic inheritance of both traits. Purple flower and brown seedcoat are dominant over white flower and cream seedcoat, respectively. We further show that genes governing flower color and seedcoat color are tightly linked on LG8, approximate to 0.4 cM apart. Synteny analysis showed that the gene controlling seedcoat color in our study is syntenic to the soybean T locus. The use of the mapping information in asparagus bean breeding is discussed.

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[1]QTL mapping and epistatic interaction analysis in asparagus bean for several characterized and novel horticulturally important traits. Xu, Pei,Wu, Xiaohua,Wang, Baogen,Hu, Tingting,Lu, Zhongfu,Liu, Yonghua,Qin, Dehui,Wang, Sha,Li, Guojing. 2013

[2]Development and polymorphism of Vigna unguiculata ssp unguiculata microsatellite markers used for phylogenetic analysis in asparagus bean (Vigna unguiculata ssp sesquipedialis (L.) Verdc.). Xu, Pei,Wu, Xiaohua,Wang, Baogen,Liu, Yonghua,Hu, Tingting,Lu, Zhongfu,Li, Guojing,Qin, Dehui,Ehlers, Jeffery D.,Close, Timothy J.. 2010

[3]IDENTIFICATION AND MAPPING OF A POWDERY MILDEW RESISTANCE GENE VU-PM1 IN THE CHINESE ASPARAGUS BEAN LANDRACE ZN016. Wu, Xiaohua,Wang, Baogen,Lu, Zhongfu,Wu, Xinyi,Li, Guojing,Xu, Pei.

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[5]AMBAB: A Bioinformatic system for the assistance of molecular breeding in asparagus bean (V. unguiculata ssp sesquipedialis) and other plant species. Luo, Jie,Li, Guojing,Xu, Pei.

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