Ancient genomes in South Patagonia reveal population movements associated with technological shifts and geography

Nathan Nakatsuka (), Pierre Luisi (), Josefina M. B. Motti, Mónica Salemme, Fernando Santiago, Manuel D. D’Angelo del Campo, Rodrigo J. Vecchi, Yolanda Espinosa-Parrilla, Alfredo Prieto, Nicole Adamski, Ann Marie Lawson, Thomas K. Harper, Brendan J. Culleton, Douglas J. Kennett, Carles Lalueza-Fox, Swapan Mallick, Nadin Rohland, Ricardo A. Guichón, Graciela S. Cabana, Rodrigo Nores () and David Reich ()
Additional contact information
Nathan Nakatsuka: Harvard Medical School
Pierre Luisi: Universidad Nacional de Córdoba
Josefina M. B. Motti: Universidad Nacional del Centro de la Provincia de Buenos Aires
Mónica Salemme: Centro Austral de Investigaciones Científicas (CADIC-CONICET)
Fernando Santiago: Centro Austral de Investigaciones Científicas (CADIC-CONICET)
Manuel D. D’Angelo del Campo: Universidad Nacional del Centro de la Provincia de Buenos Aires
Rodrigo J. Vecchi: Universidad Nacional del Sur
Yolanda Espinosa-Parrilla: Institute of Evolutionary Biology (CSIC-Universitat Pompeu Fabra)
Alfredo Prieto: Universidad de Magallanes
Nicole Adamski: Harvard Medical School
Ann Marie Lawson: Harvard Medical School
Thomas K. Harper: The Pennsylvania State University
Brendan J. Culleton: The Pennsylvania State University
Douglas J. Kennett: University of California, Santa Barbara
Carles Lalueza-Fox: Institute of Evolutionary Biology (CSIC-Universitat Pompeu Fabra)
Swapan Mallick: Harvard Medical School
Nadin Rohland: Harvard Medical School
Ricardo A. Guichón: Universidad Nacional del Centro de la Provincia de Buenos Aires
Graciela S. Cabana: University of Tennessee
Rodrigo Nores: Universidad Nacional de Córdoba
David Reich: Harvard Medical School

Nature Communications, 2020, vol. 11, issue 1, 1-12

Abstract: Abstract Archaeological research documents major technological shifts among people who have lived in the southern tip of South America (South Patagonia) during the last thirteen millennia, including the development of marine-based economies and changes in tools and raw materials. It has been proposed that movements of people spreading culture and technology propelled some of these shifts, but these hypotheses have not been tested with ancient DNA. Here we report genome-wide data from 20 ancient individuals, and co-analyze it with previously reported data. We reveal that immigration does not explain the appearance of marine adaptations in South Patagonia. We describe partial genetic continuity since ~6600 BP and two later gene flows correlated with technological changes: one between 4700–2000 BP that affected primarily marine-based groups, and a later one impacting all

Date: 2020
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DOI: 10.1038/s41467-020-17656-w

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