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- Title
Matrilineal Genetic Structure of Domestic Geese.
- Authors
Jing Sun; Shan Zhang; Da-Qian He; Shi-Yi Chen; Zi-Yuan Duan; Yong-Gang Yao; Yi-Ping Liu
- Abstract
In contrast to other farm animals, the matrilineal structure of domestic goose has remained an open question. In this study, we analyzed mitochondrial DNA control region sequence variation of 245 domestic geese to discern the main matrilineal components and their phylogeneticrelationships. The result of phylogeneticanalysis indicated the distinct lineage of clade II and the result of network analysis further suggested the major group of Chinese native goose breeds (subclade S) and introgressive goose breeds (subclade G). Except Yili geese, all Chinese domestic goose breeds were clustered in S, whereas clade II were widely distributed in 2 European breeds, Yili geese as well as 3 domesticGraylag geese. The results support that Chinese domesticgoose breeds (except the Yili breed) originated from Swan goose (Anser cygnoides) while European goose breeds originated from Graylag goose (Anser anser). In total, 17 Landoise and 16 White Roman geese were clustered in subclade G together with 1 domestic goose (A. anser, AY112966), which supported the previous finding that European geese originated from Graylag goose (A. anser). But 9 unanticipated samples of two Chinese domestic goose breeds including 7 Lion-head geese and 1 ZhedongWhite goose in haplotype H9 were also clustered in subclade G as well as 3 Lion-head geese in haplotypes H13, H15 and H16 and 2 Zhedong White geese in haplotypes H18 and H19, which may be caused by the potential gene introgressions between swan goose breeds and graylag breeds with a directional contribution towards graylag geese.
- Subjects
CHINA; GEESE; DOMESTIC animal genetics; MITOCHONDRIAL DNA; NUCLEOTIDE sequence; POULTRY breeds; ANIMALS; HAPLOTYPES
- Publication
Journal of Poultry Science, 2014, Vol 51, Issue 2, p130
- ISSN
1346-7395
- Publication type
Article
- DOI
10.2141/jpsa.0120152