Genomic signatures reveal selection in Chinese and European domesticated geese

Author:

Zhang Lihua1,Li Haiying1ORCID,Tang Bihui1,Zhao Xiaoyu1,Wu Yingping1,Jiang Teng1,Yao Yingying1,Li Jiahui1,Yao Yang1,Wang Lin1

Affiliation:

1. College of Animal Science Xinjiang Agricultural University Urumqi China

Abstract

AbstractThe Swan goose and Greylag goose are species of geese native to East Asia and Europe, respectively, and are widely believed to be the ancestors of Chinese and European domesticated geese. The Yili goose (YL) and European domestic geese originated from the Greylag goose, but the history of domestication is unclear. In this study, we sequenced and analyzed the genome of the YL goose and the Hortobagy goose to combine with other previously sequenced goose populations for in‐depth analysis. The population genetic variations in Stone geese, East Zhejiang White Geese, Taihu geese and Zi geese were also identified and compared. The results showed that admixture gene flow existed in the YL geese population, which was introgressed by Chinese geese, suggesting that gene flow events were frequent and widespread among domesticated geese. Further selected sweep analysis identified candidate genes and metabolic pathways that may be related to the differences in morphology. Several genes such as TGFBR3L, CMYA5, FOXD1, ARHGEF28 and SUCLG2 are associated with growth, reproduction and fertility traits. The results of this study will help to understand the genetic characteristics of domestic geese and the genes affecting important traits and provide a basis for the improved breed of domestic geese.

Funder

National Natural Science Foundation of China

Publisher

Wiley

Subject

Genetics,Animal Science and Zoology,General Medicine

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