数字农科院2.0

New insight into inheritance pattern of seed coat colour in adzuki bean

文献类型： 外文期刊

作者： Wang, Kaili;Chu, Liwei;Zhao, Pu;Zhao, Bo;Li, Yisong;Kai, Yang;Wan, Ping

作者机构：

关键词： adzuki bean (Vigna angularis L.);genetic analyses;recessive epistasis;seed coat colour

期刊名称： PLANT GENETIC RESOURCES-CHARACTERIZATION AND UTILIZATION

ISSN： 1479-2621

年卷期： 2023 年

页码：

收录情况： SCIE（2023版）

摘要： Seed coat colour in adzuki bean is an important quality trait and closely associated with anthocyanin metabolism pathways. To further understand the inheritance of seed coat colour pattern, the inheritance between multiple seed coat colours and ivory seed were analysed using F-1:2, F-2:3 and F-3:4 populations derived from five bi-parental crosses. The differences between ivory and red mottle on ivory are controlled by a single recessive R locus and RI locus, respectively. Green, light brown and golden are all dominant to red and governed by two loci. The B (brown) locus shows dominant epistasis over T locus. The R (red) locus was recessive epistasis to B (black), T (light brown), G (golden), GR (green) and RI (red mottle on ivory) loci. The new insight into the strong recessive epistasis of the R locus will be important for gene mapping and cloning, candidate gene functional validation and quality improvement in adzuki bean.

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