Ancient DNA Evidence from China Reveals the Expansion of Pacific Dogs.

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  • Additional Information
    • Source:
      Publisher: Oxford University Press Country of Publication: United States NLM ID: 8501455 Publication Model: Print Cited Medium: Internet ISSN: 1537-1719 (Electronic) Linking ISSN: 07374038 NLM ISO Abbreviation: Mol Biol Evol Subsets: MEDLINE
    • Publication Information:
      Publication: 2003- : New York, NY : Oxford University Press
      Original Publication: [Chicago, Ill.] : University of Chicago Press, [c1983-
    • Subject Terms:
      Genome, Mitochondrial*; Dogs/*genetics ; Wolves/*genetics; Animals ; Archaeology ; China ; DNA, Mitochondrial/analysis ; Phylogeography
    • Abstract:
      The ancestral homeland of Australian dingoes and Pacific dogs is proposed to be in South China. However, the location and timing of their dispersal and relationship to dog domestication is unclear. Here, we sequenced 7,000- to 2,000-year-old complete mitochondrial DNA (mtDNA) genomes of 27 ancient canids (one gray wolf and 26 domestic dogs) from the Yellow River and Yangtze River basins (YYRB). These are the first complete ancient mtDNA of Chinese dogs from the cradle of early Chinese civilization. We found that most ancient dogs (18/26) belong to the haplogroup A1b lineage that is found in high frequency in present-day Australian dingoes and precolonial Pacific Island dogs but low frequency in present-day China. Particularly, a 7,000-year-old dog from the Tianluoshan site in Zhejiang province possesses a haplotype basal to the entire haplogroup A1b lineage. We propose that A1b lineage dogs were once widely distributed in the YYRB area. Following their dispersal to South China, and then into Southeast Asia, New Guinea and remote Oceania, they were largely replaced by dogs belonging to other lineages in the last 2,000 years in present-day China, especially North China.
      (© The Author(s) 2020. Published by Oxford University Press on behalf of the Society for Molecular Biology and Evolution. All rights reserved. For permissions, please e-mail: [email protected].)
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    • Grant Information:
      55008731 United States HHMI Howard Hughes Medical Institute
    • Contributed Indexing:
      Keywords: China; Pacific Islands; ancient DNA; dogs; mitogenome; replacement
    • Accession Number:
      0 (DNA, Mitochondrial)
    • Publication Date:
      Date Created: 20200109 Date Completed: 20210322 Latest Revision: 20210502
    • Publication Date:
      20231215
    • Accession Number:
      PMC7182212
    • Accession Number:
      10.1093/molbev/msz311
    • Accession Number:
      31913480