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Genomic evidence for the Pleistocene and recent population history of Native Americans

Raghavan, M., Steinrucken, M., Harris, K., Schiffels, S., Rasmussen, S., DeGiorgio, M., Albrechtsen, A., Valdiosera, C., Avila-Arcos, M. C., Malaspinas, A.-S., Eriksson, A., Moltke, I., Metspalu, M., Homburger, J. R., Wall, J., Cornejo, O. E., Moreno-Mayar, J. V., Korneliussen, T. S., Pierre, T., Rasmussen, M. , Campos, P. F., Damgaard, P. d. B., Allentoft, M. E., Lindo, J., Metspalu, E., Rodriguez-Varela, R., Mansilla, J., Henrickson, C., Seguin-Orlando, A., Malmstrom, H., Stafford, T., Shringarpure, S. S., Moreno-Estrada, A., Karmin, M., Tambets, K., Bergstrom, A., Xue, Y., Warmuth, V., Friend, A. D., Singarayer, J., Valdes, P., Balloux, F., Leboreiro, I., Vera, J. L., Rangel-Villalobos, H., Pettener, D., Luiselli, D., Davis, L. G., Heyer, E., Zollikofer, C. P. E., Ponce de Leon, M. S., Smith, C. I., Grimes, V., Pike, K.-A., Deal, M., Fuller, B. T., Arriaza, B., Standen, V., Luz, M. F., Ricaut, F., Guidon, N., Osipova, L., Voevoda, M. I., Posukh, O. L., Balanovsky, O., Lavryashina, M., Bogunov, Y., Khusnutdinova, E., Gubina, M., Balanovska, E., Fedorova, S., Litvinov, S., Malyarchuk, B., Derenko, M., Mosher, M. J., Archer, D., Cybulski, J., Petzelt, B., Mitchell, J., Worl, R., Norman, P. J., Parham, P., Kemp, B. M., Kivisild, T., Tyler-Smith, C., Sandhu, M. S., Crawford, M., Villems, R., Smith, D. G., Waters, M. R., Goebel, T., Johnson, J. R., Malhi, R. S., Jakobsson, M., Meltzer, D. J., Manica, A., Durbin, R., Bustamante, C. D., Song, Y. S., Nielsen, R. and Willerslev, E. (2015) Genomic evidence for the Pleistocene and recent population history of Native Americans. Science, 349 (6250). aab3884. ISSN 0036-8075

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To link to this item DOI: 10.1126/science.aab3884

Abstract/Summary

How and when the Americas were populated remains contentious. Using ancient and modern genome-wide data, we found that the ancestors of all present-day Native Americans, including Athabascans and Amerindians, entered the Americas as a single migration wave from Siberia no earlier than 23 thousand years ago (ka) and after no more than an 8000-year isolation period in Beringia. After their arrival to the Americas, ancestral Native Americans diversified into two basal genetic branches around 13 ka, one that is now dispersed across North and South America and the other restricted to North America. Subsequent gene flow resulted in some Native Americans sharing ancestry with present-day East Asians (including Siberians) and, more distantly, Australo-Melanesians. Putative “Paleoamerican” relict populations, including the historical Mexican Pericúes and South American Fuego-Patagonians, are not directly related to modern Australo-Melanesians as suggested by the Paleoamerican Model.

Item Type:Article
Refereed:Yes
Divisions:Interdisciplinary centres and themes > Centre for Past Climate Change
Faculty of Science > School of Mathematical, Physical and Computational Sciences > Department of Meteorology
ID Code:57053
Publisher:American Association for the Advancement of Science

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