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Vanishing Native American dog lineages
Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Ecology and Genetics, Evolutionary Biology.
Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Ecology and Genetics, Evolutionary Biology.
Laboratorio de Paleozoología, Instituto de Investigaciones Antropológicas, Universidad Nacional Autónoma de México.
Conservation and Evolutionary Genetics Group, Estación Biológica de Doñana (EBD-CSIC).
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2011 (English)In: BMC Evolutionary Biology, ISSN 1471-2148, E-ISSN 1471-2148, Vol. 11, 73- p.Article in journal (Refereed) Published
Abstract [en]

Background: Dogs were an important element in many native American cultures at the time Europeans arrived. Although previous ancient DNA studies revealed the existence of unique native American mitochondrial sequences, these have not been found in modern dogs, mainly purebred, studied so far.

Results: We identified many previously undescribed mitochondrial control region sequences in 400 dogs from rural and isolated areas as well as street dogs from across the Americas. However, sequences of native American origin proved to be exceedingly rare, and we estimate that the native population contributed only a minor fraction of the gene pool that constitutes the modern population.

Conclusions: The high number of previously unidentified haplotypes in our sample suggests that a lot of unsampled genetic variation exists in non-breed dogs. Our results also suggest that the arrival of European colonists to the Americas may have led to an extensive replacement of the native American dog population by the dogs of the invaders.

Place, publisher, year, edition, pages
2011. Vol. 11, 73- p.
National Category
Genetics
Identifiers
URN: urn:nbn:se:uu:diva-152162DOI: 10.1186/1471-2148-11-73ISI: 000289461500001PubMedID: 21418639OAI: oai:DiVA.org:uu-152162DiVA: diva2:412724
Available from: 2011-04-26 Created: 2011-04-26 Last updated: 2017-12-11Bibliographically approved

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