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Author(s): de la Fuente C.
Ávila-Arcos M.C.
Galimany J.
Carpenter M.L.
Homburger J.R.
Blanco A.
Contreras P.
Dávalos D.C.
Reyes O.
Roman M.S.
Moreno-Estrada A.
Campos P.F.
Eng C.
Huntsman S.
Burchard E.G.
Malaspinas A.-S.
Bustamante C.D.
Willerslev E.
Llop E.
Verdugo R.A.
Moraga M.
Title: Genomic insights into the origin and diversification of late maritime hunter-gatherers from the Chilean Patagonia
Publisher: National Academy of Sciences
Issue Date: 2018
Abstract: Patagonia was the last region of the Americas reached by humans who entered the continent from Siberia ∼15,000–20,000 y ago. Despite recent genomic approaches to reconstruct the continental evolutionary history, regional characterization of ancient and modern genomes remains understudied. Exploring the genomic diversity within Patagonia is not just a valuable strategy to gain a better understanding of the history and diversification of human populations in the southernmost tip of the Americas, but it would also improve the representation of Native American diversity in global databases of human variation. Here, we present genome data from four modern populations from Central Southern Chile and Patagonia (n = 61) and four ancient maritime individuals from Patagonia (∼1,000 y old). Both the modern and ancient individuals studied in this work have a greater genetic affinity with other modern Native Americans than to any non-American population, showing within South America a clear structure between major geographical regions. Native Patagonian Kawéskar and Yámana showed the highest genetic affinity with the ancient individuals, indicating genetic continuity in the region during the past 1,000 y before present, together with an important agreement between the ethnic affiliation and historical distribution of both groups. Lastly, the ancient maritime individuals were genetically equidistant to a ∼200-y-old terrestrial hunter-gatherer from Tierra del Fuego, which supports a model with an initial separation of a common ancestral group to both maritime populations from a terrestrial population, with a later diversification of the maritime groups. © 2018 National Academy of Sciences. All Rights Reserved.
Subject: American Indian
controlled study
ethnic group
geographic origin
maritime hunter gatherer
priority journal
South America
terrestrial hunter gatherer
genetic variation
human genome
Genetic Variation
Genome, Human
History, Ancient
Indians, South American
Source: Proceedings of the National Academy of Sciences of the United States of America, vol. 115(17), p. E4006-E4012
Document Type: Artigo em Revista Científica Internacional
Rights: restrictedAccess
Appears in Collections:CIIMAR - Artigo em Revista Científica Internacional

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