Introduced, mixed, and peripheral: conservation of mitochondrial-DNA lineages in the wild boar (Sus scrofa L.) population in the Urals

Abstract Translocations and introductions are important events that allow organisms to overcome natural barriers. The genetic background of colonization success and genetic consequences of establishment of populations in new environments are of great interest for predicting species’ colonization success. The wild boar ( Sus scrofa L.) has been introduced into many parts of the world. We analyzed sequences of the mitochondrial-DNA control region in the wild boars introduced into the Ural region and compared them with sequences from founder populations (from Europe, the Caucasus, Central Asia, and the Far East). We found that the introduced population has high genetic diversity. Haplotypes from all the major phylogenetic clades were detected in the analyzed group of the animals from the Urals. In this group, no haplotypes identical to Far-Eastern sequences were detectable despite a large number of founders from that region. The contribution of lineages originating from Eastern Europe was greater than expected from proportions (%) of European and Asian animals in the founder populations. This is the first study on genetic diversity and structure of a wild boar population of mixed origin at the northern periphery of this species’ geographical range.

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