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A novel MC1R allele for black coat colour reveals the Polynesian ancestry and hybridization patterns of Hawaiian feral pigs
Univ Oxford, Res Lab Archaeol, Palaeogen & Bioarchaeol Res Network, Dyson Perrins Bldg,South Parks Rd, Oxford OX1 3QY, England.;Texas A&M Univ, Bioarchaeol & Genom Lab, Dept Anthropol, MS 4352 TAMU, College Stn, TX 77843 USA..
Univ Oxford, Res Lab Archaeol, Palaeogen & Bioarchaeol Res Network, Dyson Perrins Bldg,South Parks Rd, Oxford OX1 3QY, England.;Natl Univ Ireland, Discipline Archaeol, Univ Rd, Galway, Ireland..
Univ Oxford, Res Lab Archaeol, Palaeogen & Bioarchaeol Res Network, Dyson Perrins Bldg,South Parks Rd, Oxford OX1 3QY, England..
Univ Oxford, Res Lab Archaeol, Palaeogen & Bioarchaeol Res Network, Dyson Perrins Bldg,South Parks Rd, Oxford OX1 3QY, England..
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2016 (English)In: Royal Society Open Science, E-ISSN 2054-5703, Vol. 3, no 9, article id 160304Article in journal (Refereed) Published
Abstract [en]

Pigs (Sus scrofa) have played an important cultural role in Hawaii since Polynesians first introduced them in approximately AD 1200. Additional varieties of pigs were introduced following Captain Cook's arrival in Hawaii in 1778 and it has been suggested that the current pig population may descend primarily, or even exclusively, from European pigs. Although populations of feral pigs today are an important source of recreational hunting on all of the major islands, they also negatively impact native plants and animals. As a result, understanding the origins of these feral pig populations has significant ramifications for discussions concerning conservation management, identity and cultural continuity on the islands. Here, we analysed a neutral mitochondrial marker and a functional nuclear coat colour marker in 57 feral Hawaiian pigs. Through the identification of a new mutation in the MC1R gene that results in black coloration, we demonstrate that Hawaiian feral pigs are mostly the descendants of those originally introduced during Polynesian settlement, though there is evidence for some admixture. As such, extant Hawaiian pigs represent a unique historical lineage that is not exclusively descended from feral pigs of European origin.

Place, publisher, year, edition, pages
2016. Vol. 3, no 9, article id 160304
Keywords [en]
Sus scrofa, mitochondrial DNA, Hawaii, feral pigs, Pacific colonization
National Category
Genetics
Identifiers
URN: urn:nbn:se:uu:diva-312125DOI: 10.1098/rsos.160304ISI: 000389236700018OAI: oai:DiVA.org:uu-312125DiVA, id: diva2:1062207
Funder
EU, European Research Council, ERC-2013-StG 337574-UNDEADAvailable from: 2017-01-04 Created: 2017-01-04 Last updated: 2017-11-29Bibliographically approved

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