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Article Dans Une Revue Nature Année : 2016

Ancient genomic insights into the peopling of the Southwest Pacific

Pontus Skoglund
  • Fonction : Auteur
Geoffrey Clark
  • Fonction : Auteur
Syafiq Abdullah
  • Fonction : Auteur
Murray Cox
  • Fonction : Auteur
Françoise Friedlaender
  • Fonction : Auteur
Jonathan Friedlaender
  • Fonction : Auteur
George Koki
  • Fonction : Auteur
D Andrew Merriwether
  • Fonction : Auteur
Joseph Wee
  • Fonction : Auteur
Nick Patterson
  • Fonction : Auteur
Johannes Krause
David Reich
  • Fonction : Auteur
  • PersonId : 929489

Résumé

The appearance of people associated with the Lapita culture in the South Pacific around 3,000 years ago marked the beginning of the last major human dispersal to unpopulated lands. However, the relationship of these pioneers to the long-established Papuan people of the New Guinea region is unclear. Here we present genome-wide ancient DNA data from three individuals from Vanuatu (about 3,100-2,700 years before present) and one from Tonga (about 2,700-2,300 years before present), and analyse them with data from 778 present-day East Asians and Oceanians. Today, indigenous people of the South Pacific harbour a mixture of ancestry from Papuans and a population of East Asian origin that no longer exists in unmixed form, but is a match to the ancient individuals. Most analyses have interpreted the minimum of twenty-five per cent Papuan ancestry in the region today as evidence that the first humans to reach Remote Oceania, including Polynesia, were derived from population mixtures near New Guinea, before their further expansion into Remote Oceania. However, our finding that the ancient individuals had little to no Papuan ancestry implies that later human population movements spread Papuan ancestry through the South Pacific after the first peopling of the islands.
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Dates et versions

hal-02112761 , version 1 (05-01-2024)

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Pontus Skoglund, Cosimo Posth, Kendra Sirak, Matthew Spriggs, Frédérique Valentin, et al.. Ancient genomic insights into the peopling of the Southwest Pacific. Nature, 2016, 538 (7626), pp.510-513. ⟨10.1038/nature19844⟩. ⟨hal-02112761⟩
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