Genetic diversity and structure of the hedgehogs Erinaceus europaeus and Erinaceus roumanicus: evidence for ongoing hybridization in Eastern Europe

ZOLOTAREVA, K.I.; BELOKON, M.M.; BELOKON, Y.S.; RUTOVSKAYA, M.V.; HLYAP, L.A.; STARYKOV, V.P.; POLITOV, D.V.; LEBEDEV, V.S.; BANNIKOVA, A.A.

Авторы: ZOLOTAREVA KATERINA I., BELOKON MARIANA M., BELOKON YURI S., RUTOVSKAYA MARINA V., HLYAP LUDMILA A., STARYKOV VLADIMIR P., POLITOV DMITRY V., LEBEDEV VLADIMIR S., BANNIKOVA ANNA A.
Журнал: Biological Journal of the Linnean Society
Том: 132
Номер: 1
Год издания: 2020
Издательство: Blackwell Publishing Inc.
Местоположение издательства: United Kingdom
Первая страница: 174
Последняя страница: 195
DOI: 10.1093/biolinnean/blaa135
Аннотация: doi.org/10.1093/biolinnean/blaa135Secondary contact zones between related species are key to understanding speciation mechanisms. The Central European sympatry zone of West European (Erinaceus europaeus) and northern white-breasted (Erinaceus roumanicus) hedgehogs is well studied, whereas data on the Eastern European sympatry zone are scarce. We examined the genetic variation in Russian populations using the mitochondrial Cytb gene, TTR intron 1 and 11 microsatellites to assess genetic variability and distribution patterns. In contrast to the Central European sympatry zone, we found evidence of ongoing hybridization between the two species in the sympatry zone of European Russia, where the proportion of individuals with mixed ancestry was c. 20%. Our data indicate bi-directional mtDNA introgression, but with a higher frequency of E. europaeus haplotypes in hybrids. The proportion of pure specimens with introgressed mitotypes is higher in E. roumanicus than in E. europaeus. Nuclear data showed the prevalence of the genetic contribution from E. roumanicus in admixed individuals. Demographic analyses indicated recent population growth in E. europaeus and little change in E. roumanicus, suggesting that E. europaeus colonized East Europe later than E. roumanicus.
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Genetic diversity and structure of the hedgehogs Erinaceus europaeus and Erinaceus roumanicus: evidence for ongoing hybridization in Eastern Europeстатья

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