Published May 7, 2019 | Version v1
Dataset Open

Data from: The evolutionary history of dogs in the Americas

  • 1. University of Cambridge
  • 2. Durham University
  • 3. University of Oxford
  • 4. University of Illinois at Urbana Champaign
  • 5. University of Liverpool
  • 6. Georgia College & State University
  • 7. Cornell University
  • 8. Natural History Museum
  • 9. University at Albany, State University of New York
  • 10. Pacific Identifications, Victoria, Canada.*
  • 11. Arbor Biosciences, Ann Arbor, MI, USA.*
  • 12. Millennia Research, Victoria, Canada.*
  • 13. University of Copenhagen
  • 14. Memorial University of Newfoundland
  • 15. University of British Columbia
  • 16. Santa Barbara Museum of Natural History
  • 17. University of Iowa
  • 18. Russian Academy of Sciences
  • 19. National Institute of Anthropology and History
  • 20. University of York
  • 21. Illinois State Museum
  • 22. Touray & Meyer Veterinary Clinic, Serrekunda, Gambia.*
  • 23. Indiana University Bloomington
  • 24. Harvard University
  • 25. The Ohio State University
  • 26. VNIIOkeangeologia Research Institute, St. Petersburg, Russia.*
  • 27. Tennessee State University

Description

Dogs were present in the Americas prior to the arrival of European colonists, but the origin and fate of these pre-contact dogs are largely unknown. We sequenced 71 mitochondrial and seven nuclear genomes from ancient North American and Siberian dogs spanning ~9,000 years. Our analysis indicates that American dogs were not domesticated from North American wolves. Instead, American dogs form a monophyletic lineage that likely originated in Siberia and dispersed into the Americas alongside people. After the arrival of Europeans, native American dogs almost completely disappeared, leaving a minimal genetic legacy in modern dog populations. Remarkably, the closest detectable extant lineage to pre-contact American dogs is the canine transmissible venereal tumor, a contagious cancer clone derived from an individual dog that lived up to 8,000 years ago.

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Related works

Is cited by
10.1126/science.aao4776 (DOI)