文献类型： 外文期刊
作者： Li, H. F. 1 ; Zhu, W. Q. 1 ; Chen, K. W. 1 ; Song, W. T. 1 ; Shu, J. T. 1 ; Han, W. 1 ; Xu, W. J. 1 ;
作者机构： 1.Chinese Acad Agr Sci, Inst Poultry Sci, Jiangsu Prov Key Lab Poultry Genet & Breeding, Yangzhou 225003, Jiangsu, Peoples R China
关键词： Domestic goose;mtDNA D-loop;systematic evolution
期刊名称：AFRICAN JOURNAL OF BIOTECHNOLOGY （ 影响因子：0.573； 五年影响因子：0.794 ）
ISSN： 1684-5315
年卷期： 2010 年 9 卷 11 期
页码：
收录情况： SCI
摘要： China is particularly rich in goose genetic resources. The systemic study of genetic diversity and origin of Chinese indigenous geese will provide important scientific basis for the conservation, utilization of resources and human history. The 521 bp control region (D-loop) of mitochondrial DNA from 13 light-body type breeds was sequenced. The results showed that in the D-loop region of the 13 gray goose breeds, the content of T, C, A and G nucleotides was 23.8, 29.0, 32.2 and 15.1%, respectively. The average haplotype diversity (Hd) and nucleotide diversity (Pi) of domestic geese were 0.2153 and 0.00046, respectively. The 13 light-body type breeds had bigger nucleotide variance value among populations than the value within populations and all the breeds did not exist population expansion. Shared haplotype analysis and systemic systematic evolution analysis revealed that Chinese light-body type domestic goose owned two maternal origins. YL goose breed originated from greylag goose (anser anser), and the other 12 light-body type goose breeds originated from swan goose (anser cygnoides).
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