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Arango-Isaza E, Capodiferro MR, Aninao MJ, Babiker H, Aeschbacher S, Achilli A, Posth C, Campbell R, Martínez FI, Heggarty P, Sadowsky S, Shimizu KK, Barbieri C. The genetic history of the Southern Andes from present-day Mapuche ancestry. Curr Biol 2023:S0960-9822(23)00607-3. [PMID: 37279753 DOI: 10.1016/j.cub.2023.05.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2022] [Revised: 03/01/2023] [Accepted: 05/05/2023] [Indexed: 06/08/2023]
Abstract
The southernmost regions of South America harbor some of the earliest evidence of human presence in the Americas. However, connections with the rest of the continent and the contextualization of present-day indigenous ancestries remain poorly resolved. In this study, we analyze the genetic ancestry of one of the largest indigenous groups in South America: the Mapuche. We generate genome-wide data from 64 participants from three Mapuche populations in Southern Chile: Pehuenche, Lafkenche, and Huilliche. Broadly, we describe three main ancestry blocks with a common origin, which characterize the Southern Cone, the Central Andes, and Amazonia. Within the Southern Cone, ancestors of the Mapuche lineages differentiated from those of the Far South during the Middle Holocene and did not experience further migration waves from the north. We find that the deep genetic split between the Central and Southern Andes is followed by instances of gene flow, which may have accompanied the southward spread of cultural traits from the Central Andes, including crops and loanwords from Quechua into Mapudungun (the language of the Mapuche). Finally, we report close genetic relatedness between the three populations analyzed, with the Huilliche characterized additionally by intense recent exchanges with the Far South. Our findings add new perspectives on the genetic (pre)history of South America, from the first settlement through to the present-day indigenous presence. Follow-up fieldwork took these results back to the indigenous communities to contextualize the genetic narrative alongside indigenous knowledge and perspectives.
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Affiliation(s)
- Epifanía Arango-Isaza
- Department of Evolutionary Biology and Environmental Studies, University of Zurich, Zurich 8057, Switzerland; Center for the Interdisciplinary Study of Language Evolution, University of Zurich, Zurich 8050, Switzerland.
| | - Marco Rosario Capodiferro
- Trinity College Dublin, Dublin 2, Ireland; Department of Biology and Biotechnology "L. Spallanzani", University of Pavia, Pavia 27100, Italy
| | | | - Hiba Babiker
- Department of Linguistic and Cultural Evolution, Max Planck Institute for Evolutionary Anthropology, Leipzig 04103, Germany
| | - Simon Aeschbacher
- Department of Evolutionary Biology and Environmental Studies, University of Zurich, Zurich 8057, Switzerland
| | - Alessandro Achilli
- Department of Biology and Biotechnology "L. Spallanzani", University of Pavia, Pavia 27100, Italy
| | - Cosimo Posth
- Institute for Archaeological Sciences, Archaeo, and Palaeogenetics, University of Tübingen, Tübingen 72074, Germany; Senckenberg Centre for Human Evolution and Palaeoenvironment, University of Tübingen, Tübingen 72074, Germany
| | - Roberto Campbell
- Escuela de Antropología, Pontificia Universidad Católica de Chile, Santiago 6904411, Chile
| | - Felipe I Martínez
- Escuela de Antropología, Pontificia Universidad Católica de Chile, Santiago 6904411, Chile; Center for Intercultural and Indigenous Research, Santiago 7820436, Chile
| | - Paul Heggarty
- "Waves" ERC Group, Department of Human Behavior, Evolution and Culture, Max Planck Institute for Evolutionary Anthropology, Leipzig 04103, Germany
| | - Scott Sadowsky
- Department of Linguistics and Literature, Universidad de Cartagena, Cartagena 130001, Colombia
| | - Kentaro K Shimizu
- Department of Evolutionary Biology and Environmental Studies, University of Zurich, Zurich 8057, Switzerland; Center for the Interdisciplinary Study of Language Evolution, University of Zurich, Zurich 8050, Switzerland
| | - Chiara Barbieri
- Department of Evolutionary Biology and Environmental Studies, University of Zurich, Zurich 8057, Switzerland; Center for the Interdisciplinary Study of Language Evolution, University of Zurich, Zurich 8050, Switzerland; Department of Linguistic and Cultural Evolution, Max Planck Institute for Evolutionary Anthropology, Leipzig 04103, Germany.
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Aqil A, Gill S, Gokcumen O, Malhi RS, Reese EA, Smith JL, Heaton TT, Lindqvist C. A paleogenome from a Holocene individual supports genetic continuity in Southeast Alaska. iScience 2023; 26:106581. [PMID: 37138779 PMCID: PMC10149335 DOI: 10.1016/j.isci.2023.106581] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2022] [Revised: 02/27/2023] [Accepted: 04/03/2023] [Indexed: 05/05/2023] Open
Abstract
Many specifics of the population histories of the Indigenous peoples of North America remain contentious owing to a dearth of physical evidence. Only few ancient human genomes have been recovered from the Pacific Northwest Coast, a region increasingly supported as a coastal migration route for the initial peopling of the Americas. Here, we report paleogenomic data from the remains of a ∼3,000-year-old female individual from Southeast Alaska, named Tatóok yík yées sháawat (TYYS). Our results demonstrate at least 3,000 years of matrilineal genetic continuity in Southeast Alaska, and that TYYS is most closely related to ancient and present-day northern Pacific Northwest Coast Indigenous Americans. We find no evidence of Paleo-Inuit (represented by Saqqaq) ancestry in present-day or ancient Pacific Northwest peoples. Instead, our analyses suggest the Saqqaq genome harbors Northern Native American ancestry. This study sheds further light on the human population history of the northern Pacific Northwest Coast.
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Affiliation(s)
- Alber Aqil
- Department of Biological Sciences, University at Buffalo, Buffalo, NY 14260, USA
| | - Stephanie Gill
- Department of Biological Sciences, University at Buffalo, Buffalo, NY 14260, USA
| | - Omer Gokcumen
- Department of Biological Sciences, University at Buffalo, Buffalo, NY 14260, USA
| | - Ripan S. Malhi
- Department of Anthropology and Carl R. Woese Institute for Genomic Biology, University of Illinois Urbana-Champaign, Urbana, IL 61801, USA
| | | | - Jane L. Smith
- USDA-Forest Service, Tongass National Forest, Petersburg, AK 99833, USA
| | - Timothy T. Heaton
- Department of Earth Sciences, University of South Dakota, Vermillion, SD 57069, USA
| | - Charlotte Lindqvist
- Department of Biological Sciences, University at Buffalo, Buffalo, NY 14260, USA
- Corresponding author
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Motti JMB, Pauro M, Scabuzzo C, García A, Aldazábal V, Vecchi R, Bayón C, Pastor N, Demarchi DA, Bravi CM, Reich D, Cabana GS, Nores R. Ancient mitogenomes from the Southern Pampas of Argentina reflect local differentiation and limited extra-regional linkages after rapid initial colonization. AMERICAN JOURNAL OF BIOLOGICAL ANTHROPOLOGY 2023; 181:216-230. [PMID: 36919783 DOI: 10.1002/ajpa.24727] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/04/2022] [Revised: 02/13/2023] [Accepted: 02/22/2023] [Indexed: 03/16/2023]
Abstract
OBJECTIVE This study aims to contribute to the recovery of Indigenous evolutionary history in the Southern Pampas region of Argentina through an analysis of ancient complete mitochondrial genomes. MATERIALS AND METHODS We generated DNA data for nine complete mitogenomes from the Southern Pampas, dated to between 2531 and 723 cal BP. In combination with previously published ancient mitogenomes from the region and from throughout South America, we documented instances of extra-regional lineage-sharing, and estimated coalescent ages for local lineages using a Bayesian method with tip calibrations in a phylogenetic analysis. RESULTS We identified a novel mitochondrial haplogroup, B2b16, and two recently defined haplogroups, A2ay and B2ak1, as well as three local haplotypes within founder haplogroups C1b and C1d. We detected lineage-sharing with ancient and contemporary individuals from Central Argentina, but not with ancient or contemporary samples from North Patagonian or Littoral regions of Argentina, despite archeological evidence of cultural interactions with the latter regions. The estimated coalescent age of these shared lineages is ~10,000 years BP. DISCUSSION The history of the human populations in the Southern Pampas is temporally deep, exhibiting long-term continuity of mitogenome lineages. Additionally, the identification of highly localized mtDNA clades accords with a model of relatively rapid initial colonization of South America by Indigenous communities, followed by more local patterns of limited gene flow and genetic drift in various South American regions, including the Pampas.
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Affiliation(s)
- Josefina M B Motti
- Laboratorio de Ecología Evolutiva Humana, Facultad de Ciencias Sociales, Universidad Nacional del Centro de la Provincia de Buenos Aires, Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Quequén, Buenos Aires, Argentina
| | - Maia Pauro
- Instituto de Antropología de Córdoba, CONICET, Córdoba, Argentina
| | - Clara Scabuzzo
- Centro de Investigación Científica y de Transferencia a la Producción (CICyTTP)-CONICET, Provincia de Entre Ríos-Universidad Autónoma de Entre Ríos (UADER)-División Arqueología, Facultad de Ciencias Naturales y Museo, Universidad Nacional de La Plata, Diamante, Entre Ríos, Argentina
| | - Angelina García
- Instituto de Antropología de Córdoba, CONICET, Córdoba, Argentina.,Facultad de Filosofía y Humanidades, Museo de Antropología, Universidad Nacional de Córdoba, Córdoba, Argentina
| | - Verónica Aldazábal
- Instituto Multidisciplinario de Historia y Ciencias Humanas, CONICET, Buenos Aires, Argentina
| | - Rodrigo Vecchi
- Departamento de Humanidades, Universidad Nacional del Sur, CONICET, Bahía Blanca, Buenos Aires, Argentina
| | - Cristina Bayón
- Departamento de Humanidades, Universidad Nacional del Sur, CONICET, Bahía Blanca, Buenos Aires, Argentina
| | - Nicolás Pastor
- Instituto de Antropología de Córdoba, CONICET, Córdoba, Argentina
| | - Darío A Demarchi
- Instituto de Antropología de Córdoba, CONICET, Córdoba, Argentina.,Facultad de Filosofía y Humanidades, Museo de Antropología, Universidad Nacional de Córdoba, Córdoba, Argentina
| | - Claudio M Bravi
- Instituto Multidisciplinario de Biología Celular, Centro Científico Tecnológica (CCT) La Plata CONICET, Comisión de Investigaciones Científicas de la Provincia de Buenos Aires (CICPBA), Universidad Nacional de La Plata, La Plata, Buenos Aires, Argentina
| | - David Reich
- Department of Genetics, Harvard Medical School, Boston, Massachusetts, USA.,Department of Human Evolutionary Biology, Harvard University, Cambridge, Massachusetts, USA.,Broad Institute, Harvard and Massachusetts Institute of Technology, Cambridge, Massachusetts, USA.,Howard Hughes Medical Institute, Harvard Medical School, Boston, Massachusetts, USA
| | - Graciela S Cabana
- Molecular Anthropology Laboratories, Department of Anthropology, University of Tennessee, Knoxville, Tennessee, USA
| | - Rodrigo Nores
- Instituto de Antropología de Córdoba, CONICET, Córdoba, Argentina.,Facultad de Filosofía y Humanidades, Museo de Antropología, Universidad Nacional de Córdoba, Córdoba, Argentina
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Collen EJ, Johar AS, Teixeira JC, Llamas B. The immunogenetic impact of European colonization in the Americas. Front Genet 2022; 13:918227. [PMID: 35991555 PMCID: PMC9388791 DOI: 10.3389/fgene.2022.918227] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2022] [Accepted: 07/07/2022] [Indexed: 11/13/2022] Open
Abstract
The introduction of pathogens originating from Eurasia into the Americas during early European contact has been associated with high mortality rates among Indigenous peoples, likely contributing to their historical and precipitous population decline. However, the biological impacts of imported infectious diseases and resulting epidemics, especially in terms of pathogenic effects on the Indigenous immunity, remain poorly understood and highly contentious to this day. Here, we examine multidisciplinary evidence underpinning colonization-related immune genetic change, providing contextualization from anthropological studies, paleomicrobiological evidence of contrasting host-pathogen coevolutionary histories, and the timings of disease emergence. We further summarize current studies examining genetic signals reflecting post-contact Indigenous population bottlenecks, admixture with European and other populations, and the putative effects of natural selection, with a focus on ancient DNA studies and immunity-related findings. Considering current genetic evidence, together with a population genetics theoretical approach, we show that post-contact Indigenous immune adaptation, possibly influenced by selection exerted by introduced pathogens, is highly complex and likely to be affected by multifactorial causes. Disentangling putative adaptive signals from those of genetic drift thus remains a significant challenge, highlighting the need for the implementation of population genetic approaches that model the short time spans and complex demographic histories under consideration. This review adds to current understandings of post-contact immunity evolution in Indigenous peoples of America, with important implications for bettering our understanding of human adaptation in the face of emerging infectious diseases.
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Affiliation(s)
- Evelyn Jane Collen
- Australian Centre for Ancient DNA, School of Biological Sciences, University of Adelaide, Adelaide, SA, Australia
- *Correspondence: Evelyn Jane Collen, ; Bastien Llamas,
| | - Angad Singh Johar
- Australian Centre for Ancient DNA, School of Biological Sciences, University of Adelaide, Adelaide, SA, Australia
- School of Mathematics and Statistics, The University of Melbourne, Parkville, VIC, Australia
| | - João C. Teixeira
- Australian Centre for Ancient DNA, School of Biological Sciences, University of Adelaide, Adelaide, SA, Australia
- School of Culture History and Language, The Australian National University, Canberra, ACT, Australia
- Centre of Excellence for Australian Biodiversity and Heritage (CABAH), School of Biological Sciences, University of Adelaide, Adelaide, SA, Australia
| | - Bastien Llamas
- Australian Centre for Ancient DNA, School of Biological Sciences, University of Adelaide, Adelaide, SA, Australia
- Centre of Excellence for Australian Biodiversity and Heritage (CABAH), School of Biological Sciences, University of Adelaide, Adelaide, SA, Australia
- National Centre for Indigenous Genomics, Australian National University, Canberra, ACT, Australia
- Telethon Kids Institute, Indigenous Genomics Research Group, Adelaide, SA, Australia
- *Correspondence: Evelyn Jane Collen, ; Bastien Llamas,
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Nores R, Tavella MP, Fabra M, Demarchi DA. Ancient DNA analysis reveals temporal and geographical patterns of mitochondrial diversity in pre-Hispanic populations from Central Argentina. Am J Hum Biol 2022; 34:e23733. [PMID: 35238427 DOI: 10.1002/ajhb.23733] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2021] [Revised: 02/03/2022] [Accepted: 02/08/2022] [Indexed: 11/08/2022] Open
Abstract
OBJECTIVES The study of the ancient populations of Central Argentina has a crucial importance for our understanding of the evolutionary processes in the Southern Cone of South America, given its geographic position as a crossroads. Therefore, the aim of this study is to evaluate the temporal and geographical patterns of genetic variation among the groups that inhabited the current territory of Córdoba Province during the Middle and Late Holocene. METHODS We analyzed the mitochondrial haplogroups of 74 individuals and 46 Hypervariable Region I (HVR-I) sequences, both novel and previously reported, from archeological populations of the eastern Plains and western Sierras regions of the province of Córdoba. The HVR-I sequences were also compared with other ancient groups from Argentina and with present-day populations from Central Argentina by pairwise distance analysis and identification of shared haplotypes. RESULTS Significant differences in haplogroup and haplotype distributions between the two geographical regions were found. Sierras showed genetic affinities with certain ancient populations of Northwestern Argentina, while Plains resembled its neighbors from Santiago del Estero Province and the Pampas region. We did not observe genetic differences among the pre 1200 and post 1200 yBP temporal subsets of individuals defined by the emergence of horticulture, considering both geographical samples jointly. CONCLUSIONS The observed patterns of geographical heterogeneity could indicate the existence of biologically distinct populations inhabiting the mountainous region and the eastern plains of Córdoba Province in pre-Hispanic times. Maternal lineages analyses support a scenario of local evolution with great temporal depth in Central Argentina, with continuity until the present.
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Affiliation(s)
- Rodrigo Nores
- Universidad Nacional de Córdoba, Facultad de Filosofía y Humanidades, Departamento de Antropología, Córdoba, Argentina.,CONICET, Instituto de Antropología de Córdoba (IDACOR), Córdoba, Argentina
| | - María Pía Tavella
- Universidad Nacional de Córdoba, Facultad de Filosofía y Humanidades, Departamento de Antropología, Córdoba, Argentina.,CONICET, Instituto de Antropología de Córdoba (IDACOR), Córdoba, Argentina
| | - Mariana Fabra
- Universidad Nacional de Córdoba, Facultad de Filosofía y Humanidades, Departamento de Antropología, Córdoba, Argentina.,CONICET, Instituto de Antropología de Córdoba (IDACOR), Córdoba, Argentina
| | - Darío A Demarchi
- Universidad Nacional de Córdoba, Facultad de Filosofía y Humanidades, Departamento de Antropología, Córdoba, Argentina.,CONICET, Instituto de Antropología de Córdoba (IDACOR), Córdoba, Argentina
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