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- W2524596543 abstract "Analysis of ancient DNA from four individuals who lived in Vanuatu and Tonga between 2,300 and 3,100 years ago suggests that the Papuan ancestry seen in present-day occupants of this region was introduced at a later date. Pacific islanders today have been found to have ancestry from a mixture of lineages including Papuan, Australian and East Asian. David Reich and colleagues now report analysis of ancient genomic data from four individuals from Vanuatu and Tonga, South Pacific islands, representing the first ancient genomic data from Oceanian populations. Their analysis finds no evidence of Papuan ancestry in the early Remote Oceanians, suggesting that Papuan ancestry seen in contemporary Pacific islanders may reflect later migration. The appearance of people associated with the Lapita culture in the South Pacific around 3,000 years ago1 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 Oceania2,3,4,5. 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." @default.
- W2524596543 created "2016-10-07" @default.
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- W2524596543 date "2016-10-03" @default.
- W2524596543 modified "2023-10-17" @default.
- W2524596543 title "Genomic insights into the peopling of the Southwest Pacific" @default.
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- W2524596543 doi "https://doi.org/10.1038/nature19844" @default.
- W2524596543 hasPubMedCentralId "https://www.ncbi.nlm.nih.gov/pmc/articles/5515717" @default.
- W2524596543 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/27698418" @default.
- W2524596543 hasPublicationYear "2016" @default.