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Open AccessArticle

Mitogenome Diversity and Maternal Origins of Guangxi Buffalo Breeds

1
Animal Husbandry Institute of Guangxi Zhuang Autonomous Region, Guangxi Key Laboratory of Livestock Genetic Improvement, Nanning 530001, China
2
College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi 712100, China
3
National Institute for Biotechnology and Genetic Engineering, Pakistan Institute of Engineering and Applied Sciences, Faisalabad, 577, Pakistan
*
Author to whom correspondence should be addressed.
Animals 2020, 10(4), 547; https://doi.org/10.3390/ani10040547 (registering DOI)
Received: 27 February 2020 / Revised: 22 March 2020 / Accepted: 23 March 2020 / Published: 25 March 2020
(This article belongs to the Section Animal Genetics and Genomics)
Mitochondrial DNA (mtDNA) analysis is an important tool to assess the maternal origin and phylogeny of domestic animals. Fuzhong and Xilin buffalo are two native buffalo breeds in Guangxi, a province in the southwest of China that belongs to the major hotspots of swamp buffalo domestication centers. In this study, we sequenced the complete mitochondrial genomes of two buffalo breeds in Guangxi Province to perform the phylogenetic analysis.
Guangxi Province, in the southwest of China, is one of the putative migratory corridors or domestication centers for swamp buffalo. In this study, we investigated the evolutionary status of two Guangxi native buffalo breeds (Fuzhong buffalo, n = 15; Xilin buffalo, n = 25) based on the complete mitogenome sequencing. Our results revealed rich genetic diversity in the two buffalo breeds. We detected five haplogroups (SA1, SA2, SB1, SB2, SB3) in the two Guangxi buffalo breeds, and the haplogroup SB3 in the Fuzhong buffalo. Our results showed that the haplogroup SA1 was associated with the major domestication event that involved population expansion in Guangxi buffalo. In conclusion, our findings revealed a high level of maternal genetic diversity and the phylogenetic pattern of the two Guangxi buffalo breeds.
Keywords: buffalo; mtDNA; genetic diversity; maternal origin buffalo; mtDNA; genetic diversity; maternal origin
MDPI and ACS Style

Sun, T.; Huang, G.; Sun, J.; Wang, Z.; Teng, S.; Cao, Y.; Hanif, Q.; Chen, N.; Lei, C.; Liao, Y. Mitogenome Diversity and Maternal Origins of Guangxi Buffalo Breeds. Animals 2020, 10, 547.

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