Shell color and growth traits share the same major locus in Cyclina sinensis

文献类型： 外文期刊

第一作者： Li, Hengde

作者： Li, Hengde;Zhang, Yaqun;Xu, Feng;Li, Donghao;Ma, Xiaodong;Huang, Jingxian;Sun, Xiangshan

作者机构：

关键词： Cyclina sinensis; Shell color; Growth traits; Genome-wide association study

期刊名称：AQUACULTURE REPORTS （ 影响因子：3.7； 五年影响因子：4.0 ）

ISSN： 2352-5134

年卷期： 2025 年 43 卷

页码：

收录情况： SCI

摘要： The clam (Cyclina Sinensis) is an important economic marine mollusk in China. Its shell typically exhibited purple and white colors, with consumers showing a preference for the purple variety. Notably, clams with purple shells are generally larger than those with white shell. Shell color is a qualitative trait, but no evident dominant/ recessive relationship has been identified, posing challenges for selecting large, pure purple clams. In this study, we explored genome-wide genetic markers using genotyping by sequencing (GBS) method, and conducted genetic analyses for shell color and growth traits. The results indicated that growth traits were highly correlated both genetically and phenotypically. Two loci associated with clam shell color were identified, and shell color was significantly associated with growth traits, as they share the same major locus. The interactions between these loci suggest potential benefits and utilization methods in breeding practices.

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