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Mitochondrial DNA Part A
DNA Mapping, Sequencing, and Analysis
Volume 28, 2017 - Issue 6
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Research Article

Mitochondrial diversity in mountain horse population from the South-Eastern Europe

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Pages 787-792 | Received 15 Mar 2016, Accepted 03 May 2016, Published online: 01 Jun 2016
 

Abstract

It is believed that population structure of mountain horse breeds is preserved from any genetic introgression, because of their geographical isolation and specific semi-wild life style of husbandry. Till date there are no molecular data for the Balkan horses. In this study we try to give information about some autochthonous mountain horse breeds from Bulgaria. A total of 121 horses from three different mountain massifs are presented: Stara Planina (the Balkan mountain), the Rhodopes and Rila-Pirin massif were genotyped according to mitochondrial D-loop region. The results showed huge diversity of all known haplogroups with exception of C, F and R. West Eurasian haplogroups B, D, M and L were with the highest frequencies. Haplogroups A, J, I, O’P and Q were also observed with the highest frequencies, but not equally distributed among the three populations. Analyses of the horse breeds reveal preserved genetic profile of the Balkan and the Rhodopes mountains populations. In contrast, a Rila-Pirin breed unexpectedly showed mixed profile – a massive genetic introgression with an Asiatic-type haplogroups. A similar mixed Euro-Asiatic haplotype profile possessed the Carpathian mountain pony, although both populations are separated geographically and historically. The genetic pool of three Bulgarian mountain horse populations is highly heterogenic and because of that these breeds should be preserved.

Acknowledgements

We are grateful to Ilina Amer (Sofia University, Faculty of Classical and Modern languages) for the linguistic support.

Disclosure statement

The authors report no conflicts of interest. The authors alone are responsible for the content and writing of this article.

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