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Population genomics of grey wolves and wolf-like canids in North America
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2018 (English)In: PLoS Genetics, ISSN 1553-7390, E-ISSN 1553-7404, Vol. 14, no 11, article id e1007745Article in journal (Refereed) Published
Abstract [en]

North America is currently home to a number of grey wolf (Canis lupus) and wolf-like canid populations, including the coyote (Canis latrans) and the taxonomically controversial red, Eastern timber and Great Lakes wolves. We explored their population structure and regional gene flow using a dataset of 40 full genome sequences that represent the extant diversity of North American wolves and wolf-like canid populations. This included 15 new genomes (13 North American grey wolves, 1 red wolf and 1 Eastern timber/Great Lakes wolf), ranging from 0.4 to 15x coverage. In addition to providing full genome support for the previously proposed coyote-wolf admixture origin for the taxonomically controversial red, Eastern timber and Great Lakes wolves, the discriminatory power offered by our dataset suggests all North American grey wolves, including the Mexican form, are monophyletic, and thus share a common ancestor to the exclusion of all other wolves. Furthermore, we identify three distinct populations in the high arctic, one being a previously unidentified "Polar wolf" population endemic to Ellesmere Island and Greenland. Genetic diversity analyses reveal particularly high inbreeding and low heterozygosity in these Polar wolves, consistent with long-term isolation from the other North American wolves.

Place, publisher, year, edition, pages
2018. Vol. 14, no 11, article id e1007745
National Category
Natural Sciences
Research subject
Diversity of life
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URN: urn:nbn:se:nrm:diva-3673DOI: 10.1371/journal.pgen.1007745ISI: 000452454300019PubMedID: 30419012OAI: oai:DiVA.org:nrm-3673DiVA, id: diva2:1381548
Available from: 2019-12-22 Created: 2019-12-22 Last updated: 2019-12-22

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Raundrup, KatrinePetersen, BentSicheritz-Ponten, ThomasSonne, ChristianDalen, Love
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12345674 of 10
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