Genetic diversity of mitochondrial cytochrome b gene in swamp buffalo.,Animal Genetics

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Genetic diversity of mitochondrial cytochrome b gene in swamp buffalo.
Animal Genetics ( IF 1.8 ) Pub Date : 2020-09-10 , DOI: 10.1111/age.12997
T Sun ₁ , S Wang ₁ , Q Hanif _{2,

3} , N Chen ₁ , H Chen ₁ , C Lei ₁

Affiliation

The swamp buffalo (Bubalus carabanensis) is mainly bred for meat, transport and rice cultivation in China and Southeast Asian countries. In the current study, we investigated the genetic diversity, maternal origin and phylogenetic relationship of swamp buffalo by analyzing 1,786 mitochondrial cytochrome b (cytb) sequences from China, Vietnam, Laos, Thailand, India and Bangladesh. Our results indicated that the swamp buffalo can be divided into two major lineages (SA and SB with the sublineages) and three rare lineages (SC, SD and SE), which showed strong geographic differentiation. The SA1 lineage represented a major domestication event, which involved population expansion. Regions III and V showed higher haplotype diversity than the other regions, indicating that the regions of Southwest China and IndoChina are potential domestication centers for the swamp buffalo. In addition, the swamp buffalo showed a closer phylogenetic relationship to tamaraw. In conclusion, our findings revealed a high level of genetic diversity and the phylogenetic pattern of the swamp buffalo.

更新日期：2020-11-04

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