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Flegontov, Pavel

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Flegontov

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Pavel

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Flegontov, Pavel

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Author's Publications: search.filters.isAuthorOfPublication.8e802012-18b8-4c95-930d-34bfab033f8f

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    Palaeo-Eskimo Genetic Ancestry and the Peopling of Chukotka and North America
    (Springer Science and Business Media LLC, 2019-06) Flegontov, Pavel; Rohland-Pinello, Nadin; Mallick, Swapan; Flegontova, Olga; Jeong, Choongwon; Keating, Denise; Lawson, Ann; Oppenheimer, Jonas; Raff, Jennifer; Skoglund, Pontus; Stewardson, Kristin; Vasilyev, Sergey; Veselovskaya, Elizaveta; Hayes, M. Geoffrey; Krause, Johannes; Pinhasi, Ron; Reich, David; Changmai, Piya; Adamski, Nicole; Bolnick, Deborah; Culleton, Brendan; Harper, Thomas; Kennett, Douglas; Kim, Alexander; Lamnidis, Thiseas; Olalde, Iñigo; Potter, Ben; Sattler, Robert; Vajda, Edwards; O’Rourke, Dennis; Schiffels, Stephan; Broomandkhoshbacht, Nasreen; Candilio, Francesca; Friesen, Max; Altınışık, Ezgi
    Paleo-Eskimos were the first people to settle vast regions of the American Arctic around 5,000 years ago, and were subsequently joined and largely displaced around 1,000 years ago by ancestors of present-day Inuit and Yup’ik1-3. The genetic relationship between Paleo-Eskimos and Native American, Inuit, Yup’ik and Aleut populations remains uncertain4-7. Here we present new genomic data for 48 ancient individuals from Chukotka, East Siberia, the Aleutian Islands, Alaska, and the Canadian Arctic. We co-analyze these data with new data from present-day Alaskan Iñupiat and West Siberian populations and published genomes. Employing new methods based on rare allele and haplotype sharing as well as established methods4,8-10, we show that Paleo-Eskimo-related admixture is ubiquitous among populations speaking Na-Dene and Eskimo-Aleut languages. We develop a comprehensive model for the Holocene peopling events of Chukotka and North America, and show that several key migrations connected to the origin of the Na-Dene peoples, the peopling of the Aleutian Islands, and the spread of Yup’ik and Inuit across the Arctic region are genetically linked to a single Siberian source related to Paleo-Eskimos.