Mitochondrial DNA sequence diversity and origin of Chinese domestic yak
Abstract
Summary: In order to clarify the origin and genetic diversity of yak in China, we analysed mitochondrial DNA (mtDNA) control region sequences (∼ 891 bp) in 52 individuals from four domestic yak (Poephagus grunniens) breeds, as well as from a hybrid between yak and cattle (Pianniu). Twenty‐five samples were further selected for partial (420 bp) cytochrome b sequencing based on control region sequence information. Two yak samples shared sequences with Chinese cattle (Bos taurus); the remaining yak mtDNAs converged into two major clades in the phylogenetic analysis. Genetic diversity varied substantially among the breeds, with the hybrid Pianniu yak demonstrating the highest diversity. Our results suggest that the Chinese yak was domesticated from two distinct matrilineal sources or from a heterogeneous pool containing both divergent lineages, with occasional gene introgression from cattle.
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Genetic evaluation suggests that the domestic yak was derived from at least 2 matrilineal sources in the Tibet-Qinghai region of China.
“Genetic evaluation suggests that the domestic yak was derived from at least 2 matrilineal sources (Bailey et al. 2002;Guo et al. 2006b;Lai et al. 2007) in the Tibet-Qinghai region of China.”
From Bos grunniens and Bos mutus (Artiodactyla: Bovidae) (2009) · cites this paper as Lai et al. 2007
Cites
Evidence for Two Independent Domestications of Cattle
Loftus, R. T., MacHugh, D. E., Bradley, D. G., Sharp, P. M., & Cunningham, P. (1994) · Proceedings of the National Academy of Sciences · doi:10.1073/pnas.91.7.2757 · Cited by 812 · see citing works
Genetic Evidence for Near-Eastern Origins of European Cattle
Troy, C. S., MacHugh, D. E., Bailey, J. F., Magee, D. A., Loftus, R. T., Cunningham, P., Chamberlain, A. T., Sykes, B. C., & Bradley, D. G. (2001) · Nature · doi:10.1038/35074088 · Cited by 627 · see citing works
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Bos grunniens and Bos mutus (Artiodactyla: Bovidae)
Leslie, D. M., & Schaller, G. B. (2009) · Mammalian Species · doi:10.1644/836.1 · Cited by 87 · see citing works
Wang, Z., Shen, X., Liu, B., Su, J., Yonezawa, T., Yu, Y., Guo, S., Ho, S. Y. W., Vilà, C., Hasegawa, M., et al. (2010) · Journal of Biogeography · doi:10.1111/j.1365-2699.2010.02379.x · Cited by 79 · see citing works
- Authors
- Lai, S. ‐., Chen, S. ‐., Liu, Y. ‐., & Yao, Y. ‐.
- Affiliations
- Sichuan Agricultural University (CN)
- Kunming Institute of Zoology (CN)
- Corresponding author
- Liu, Y.‐P.
- Venue
- Animal Genetics
- Publisher
- Wiley
- Published
- 2007-01-25
- Volume
- 38
- Issue
- 1
- Pages
- 77-80
- ISSN
- 0268-9146 (ISSN-L)
- 1365-2052
- OpenAlex
- W4365787344
- Cited by
- 52
- References
- 2
- Citations by year
- 2024: 3 · 2023: 2 · 2021: 3 · 2020: 2 · 2019: 4 · 2018: 3 · 2017: 3 · 2016: 2 · 2015: 1 · 2014: 4 · 2013: 3 · 2012: 6
- FWCI
- 2.68
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Animal Genetics (publishedVersion)
- Topics
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetic and phenotypic traits in livestock
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetic diversity and population structure
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Forensic and Genetic Research
- Keywords
- domestic yak, Poephagus grunniens, mitochondrial DNA, control region, cytochrome b, genetic diversity, matrilineal ancestry, introgression, yak breeds
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