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Mitochondrial DNA markers for the study of introgression between the sable and the pine marten

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Abstract

We clarify the contribution of gene introgression in the recovery of the sable Martes zibellina, which has undergone significant population declines by the end of the nineteenth century. To verify the contribution of interspecific gene introgression, variation among the sable and the pine marten Martes martes was investigated utilizing restriction fragment analysis of the mitochondrial cytochrome b gene as a genetic markers. Evidence of symmetric introgression of mitochondrial genes between the species was detected. Frequency of marten haplotypes in the sable was 8.3%, while sable haplotype was found in 10% of the martens. The low frequency of mitochondrial DNA haplotype A indicates a comparatively low portion of the Eastern lines in the current sable populations in Western Siberia, despite the introduction of a large number of Eastern sable subspecies. These findings are of great importance for the conservation genetics of the sable. Overhunting of the sable as a more fur valuable species than the pine marten may lead to violation of the dynamic equilibrium between genetic systems of these related species. Mitochondrial markers can be used to identify genetic lines of other species or subspecies in hybrid zones.

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Acknowledgements

We are grateful to S. Kashtanov, Vavilov Institute of General Genetics, Russian Academy of Sciences, Moscow, for the sable samples from the Far East and Eastern Siberia; D. Andrienko, Tyumen State University; S. Petrovicheva, Office for Protection, Monitoring and Management of Wildlife and their Habitats of the Tyumen Oblast, Tyumen, and E. Kireeva, State reserve “Malaya Sosva”, Sovetskii, for help in samples collection in Western Siberia and the Urals; D. Politov, Vavilov Institute of General Genetics, Russian Academy of Sciences, Moscow, for methodological guidance; N. Zhuravleva, Center for Academic Writing, Tyumen State University, Tyumen, for English assistance.

Funding

This study was funded by Federal Target Program (State Contract Number 14.740.12.0826).

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Correspondence to Oxana N. Zhigileva.

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The authors declare that they have no conflict of interest.

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All applicable international, national, and institutional guidelines for the use of animals were followed. This article does not contain any studies with human participants performed by any of the authors.

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Zhigileva, O.N., Uslamina, I.M., Gimranov, D.O. et al. Mitochondrial DNA markers for the study of introgression between the sable and the pine marten. Conservation Genet Resour 12, 329–336 (2020). https://doi.org/10.1007/s12686-019-01098-8

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  • DOI: https://doi.org/10.1007/s12686-019-01098-8

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