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Genetic characterization of Northeast Asian cattle based on sequence polymorphisms in the complete mitochondrial genome

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Open Journal of Animal Sciences 2012年第4期2卷 217-223页

作者： Jeongsoo Lee Kyung-Tai Lee Sungmin Ahn Seunghwan Lee dajeong lim Young-Ju Kim Eun-Seok Cho Kyung-Seok Kim Hailu Dadi Tae-Hun Kim Animal Genomics and Bioinformatics Division National Institute of Animal Science Suwon Korea Animal Genomics and Bioinformatics Division National Institute of Animal Science Suwon Korea College of Veterinary Medicine Seoul National University Seoul Korea Department of Animal Science Chungbuk National University Cheongju Korea Lee Gil Ya Cancer and Diabetes Institute Gachon University of Medicine and Science Incheon Korea nimal Genomics and Bioinformatics Division National Institute of Animal Science Suwon Korea

In this study, we analyzed complete mtDNA sequences variation and genetic relationship among taurine, indicine and Bison groups. In total, 107 sequences from different breeds, 45 European (45 Italian), 16 Middle East Asian (seven Iranian and nine Iraqi), 41 Northeast Asian (34 Korean and seven Japanese), two Nellore (Bos indicus) and two American Bison bison (Ame. bison) were obtained from Gen-Bank database. One Korean Hanwoo (Bos taurus) sequence was generated using the SOLiDTM System. In total, 1370 polymorphic sites, representing 8.39% of the complete 107 mtDNA sequences (16,338 bp) were detected and of these, 1186 parsimony informative polymorphic sites were identified. Neighbor-joining tree indicated that Korean, Japanese, Iranian, Iraqi, and Italian cattle were closely related to one another, but are separated from B. Bison. The B. taurus mtDNA polymorphism was greater in the D-loop than in the other regions. The ATP8, ND3, ND5, and ND6 regions were also quite parsimony informative, similar to Cyt b. In addition, this study revealed a distinct genetic difference between Korean cattle and B. indicus.

关键词： Bos taurus Complete Mitochondrial DNA Genome Phylogeny Polymorphism

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