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Larena, Maximilian; Sanchez-Quinto, Federico; Sjödin, Per; McKenna, James; Ebeo, Carlo; Reyes, Rebecca; Casel, Ophelia; Huang, Jin-Yuan; Hagada, Kim Pullupul; Guilay, Dennis; Reyes, Jennelyn; Allian, Fatima Pir; Mori, Virgilio; Azarcon, Lahaina Sue; Manera, Alma; Terando, Celito; Jamero, Jr, Lucio; Sireg, Gauden; Manginsay-Tremedal, Renefe; Labos, Maria Shiela; Vilar, Richard Dian; Latiph, Acram; Saway, Rodelio Linsahay; Marte, Erwin; Magbanua, Pablito; Morales, Amor; Java, Ismael; Reveche, Rudy; Barrios, Becky; Burton, Erlinda; Salon, Jesus Christopher; Kels, Ma Junaliah Tuazon; Albano, Adrian; Cruz-Angeles, Rose Beatrix; Molanida, Edison; Granehäll, Lena; Vicente, Mário; Edlund, Hanna; Loo, Jun-Hun; Trejaut, Jean; Ho, Simon Y W; Reid, Lawrence; Malmström, Helena; Schlebusch, Carina; Lambeck, Kurt; Endicott, Phillip; Jakobsson, Mattias
Proceedings of the National Academy of Sciences - PNAS, 03/2021, Letnik: 118, Številka: 13Journal Article
Island Southeast Asia has recently produced several surprises regarding human history, but the region's complex demography remains poorly understood. Here, we report ∼2.3 million genotypes from 1,028 individuals representing 115 indigenous Philippine populations and genome-sequence data from two ∼8,000-y-old individuals from Liangdao in the Taiwan Strait. We show that the Philippine islands were populated by at least five waves of human migration: initially by Northern and Southern Negritos (distantly related to Australian and Papuan groups), followed by Manobo, Sama, Papuan, and Cordilleran-related populations. The ancestors of Cordillerans diverged from indigenous peoples of Taiwan at least ∼8,000 y ago, prior to the arrival of paddy field rice agriculture in the Philippines ∼2,500 y ago, where some of their descendants remain to be the least admixed East Asian groups carrying an ancestry shared by all Austronesian-speaking populations. These observations contradict an exclusive "out-of-Taiwan" model of farming-language-people dispersal within the last four millennia for the Philippines and Island Southeast Asia. Sama-related ethnic groups of southwestern Philippines additionally experienced some minimal South Asian gene flow starting ∼1,000 y ago. Lastly, only a few lowlanders, accounting for <1% of all individuals, presented a low level of West Eurasian admixture, indicating a limited genetic legacy of Spanish colonization in the Philippines. Altogether, our findings reveal a multilayered history of the Philippines, which served as a crucial gateway for the movement of people that ultimately changed the genetic landscape of the Asia-Pacific region.
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