Genomic scan revealed KIT gene underlying white/gray plumage color in Chinese domestic geese

文献类型： 外文期刊

第一作者： Wen, J.

作者： Wen, J.;Shao, P.;Qu, L.;Chen, Y.;Wang, L.;Lv, X.;Yang, W.;Jia, Y.;Jiang, Z.;Zhu, B.

作者机构：

关键词： domestication; feather color; goose

期刊名称：ANIMAL GENETICS （ 影响因子：3.169； 五年影响因子：3.058 ）

ISSN： 0268-9146

年卷期： 2021 年 52 卷 3 期

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收录情况： SCI

摘要： Goose is an important type of domesticated poultry. The wild geese that are regarded as the ancestors of modern domestic geese present gray plumage. Domesticated, geese have both white and gray feathers. To elucidate the genetic mechanisms underlying the formation of white and gray plumage in geese, we resequenced the whole genome of 18 geese from six populations including white and gray goose breeds. The average sequencing depth per individual was 9.81x and the average genome coverage was 96.8%. A total of 346 genes were detected in the top 1% of F-ST scores of gray- and white-feathered geese, and a significant F-ST site was located in the intron region within the KIT gene, the 18 bp deletion in KIT having the strongest potential association with white feathers. It has been reported that a number of genes are associated with plumage colors in birds. However, no studies have identified the relationship between KIT and plumage color in birds at present, although the white coat can be attributed to mutations in KIT in some mammals. Our study showed that that KIT is a plausible candidate gene for white/gray plumage color in Chinese domestic geese.

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