Complex admixture preceded and followed the extinction of wisent in the wild

Węcek, K., Hartmann, S., Paijmans, J.L.A., Taron, U., Xenikoudakis, G., Cahill, J.A., Heintzman, P.D., Shapiro, B., Baryshnikov, G., Bunevich, A.N., Crees, J.J., Dobosz, R., Manaserian, N., Okarma, H., Tokarska, M., Turvey, S.T., Wójcik, J.M., Żyła, W., Szymura, J.M., Hofreiter, M. and Barlow, A. ORCID: 0000-0002-5532-9458, 2017. Complex admixture preceded and followed the extinction of wisent in the wild. Molecular Biology and Evolution, 34 (3), pp. 598-612. ISSN 0737-4038

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Abstract

Retracing complex population processes that precede extreme bottlenecks may be impossible using data from living individuals. The wisent (Bison bonasus), Europe’s largest terrestrial mammal, exemplifies such a population history, having gone extinct in the wild but subsequently restored by captive breeding efforts. Using low coverage genomic data from modern and historical individuals, we investigate population processes occurring before and after this extinction. Analysis of aligned genomes supports the division of wisent into two previously recognized subspecies, but almost half of the genomic alignment contradicts this population history as a result of incomplete lineage sorting and admixture. Admixture between subspecies populations occurred prior to extinction and subsequently during the captive breeding program. Admixture with the Bos cattle lineage is also widespread but results from ancient events rather than recent hybridization with domestics. Our study demonstrates the huge potential of historical genomes for both studying evolutionary histories and for guiding conservation strategies.

Item Type: Journal article
Publication Title: Molecular Biology and Evolution
Creators: Węcek, K., Hartmann, S., Paijmans, J.L.A., Taron, U., Xenikoudakis, G., Cahill, J.A., Heintzman, P.D., Shapiro, B., Baryshnikov, G., Bunevich, A.N., Crees, J.J., Dobosz, R., Manaserian, N., Okarma, H., Tokarska, M., Turvey, S.T., Wójcik, J.M., Żyła, W., Szymura, J.M., Hofreiter, M. and Barlow, A.
Publisher: Oxford University Press
Date: March 2017
Volume: 34
Number: 3
ISSN: 0737-4038
Identifiers:
NumberType
10.1093/molbev/msw254DOI
1233317Other
Rights: © The Author 2016. Published by Oxford University Press on behalf of the Society for Molecular Biology and Evolution. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited.
Divisions: Schools > School of Science and Technology
Depositing User: Jill Tomkinson
Date Added: 13 Nov 2019 15:44
Last Modified: 13 Nov 2019 15:44
URI: http://irep.ntu.ac.uk/id/eprint/38256

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