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Rodríguez-Varela R, Moore KHS, Ebenesersdóttir SS, Kilinc GM, Kjellström A, Papmehl-Dufay L, Alfsdotter C, Berglund B, Alrawi L, Kashuba N, Sobrado V, Lagerholm VK, Gilbert E, Cavalleri GL, Hovig E, Kockum I, Olsson T, Alfredsson L, Hansen TF, Werge T, Munters AR, Bernhardsson C, Skar B, Christophersen A, Turner-Walker G, Gopalakrishnan S, Daskalaki E, Omrak A, Pérez-Ramallo P, Skoglund P, Girdland-Flink L, Gunnarsson F, Hedenstierna-Jonson C, Gilbert MTP, Lidén K, Jakobsson M, Einarsson L, Victor H, Krzewińska M, Zachrisson T, Storå J, Stefánsson K, Helgason A, Götherström A. The genetic history of Scandinavia from the Roman Iron Age to the present. Cell 2023; 186:32-46.e19. [PMID: 36608656 DOI: 10.1016/j.cell.2022.11.024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2022] [Revised: 10/14/2022] [Accepted: 11/22/2022] [Indexed: 01/07/2023]
Abstract
We investigate a 2,000-year genetic transect through Scandinavia spanning the Iron Age to the present, based on 48 new and 249 published ancient genomes and genotypes from 16,638 modern individuals. We find regional variation in the timing and magnitude of gene flow from three sources: the eastern Baltic, the British-Irish Isles, and southern Europe. British-Irish ancestry was widespread in Scandinavia from the Viking period, whereas eastern Baltic ancestry is more localized to Gotland and central Sweden. In some regions, a drop in current levels of external ancestry suggests that ancient immigrants contributed proportionately less to the modern Scandinavian gene pool than indicated by the ancestry of genomes from the Viking and Medieval periods. Finally, we show that a north-south genetic cline that characterizes modern Scandinavians is mainly due to the differential levels of Uralic ancestry and that this cline existed in the Viking Age and possibly earlier.
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Affiliation(s)
- Ricardo Rodríguez-Varela
- Centre for Palaeogenetics, 106 91 Stockholm, Sweden; Department of Archaeology and Classical Studies, Stockholm University, 10691 Stockholm, Sweden.
| | | | - S Sunna Ebenesersdóttir
- deCODE Genetics/AMGEN, Inc., 102 Reykjavik, Iceland; Department of Anthropology, University of Iceland, 102 Reykjavik, Iceland
| | - Gulsah Merve Kilinc
- Department of Bioinformatics, Graduate School of Health Sciences, Hacettepe University, 06100 Ankara, Turkey
| | - Anna Kjellström
- Department of Archaeology and Classical Studies, Stockholm University, 10691 Stockholm, Sweden
| | | | - Clara Alfsdotter
- Department of Archaeology, Bohusläns Museum, Museigatan 1, 451 19 Udevalla, Sweden
| | - Birgitta Berglund
- Department of Archaeology and Cultural History, NTNU University Museum, Norwegian University of Science and Technology (NTNU), 7491 Trondheim, Norway
| | - Loey Alrawi
- Department of Archaeology and Classical Studies, Stockholm University, 10691 Stockholm, Sweden
| | - Natalija Kashuba
- Department of Archaeology and Classical Studies, Stockholm University, 10691 Stockholm, Sweden; Department of Archaeology and Ancient History, Archaeology, Uppsala University, 752 38 Uppsala, Sweden; Department of Organismal Biology, Human Evolution, and SciLife Lab, Uppsala University, 75236 Uppsala, Sweden
| | - Verónica Sobrado
- Department of Archaeology and Classical Studies, Stockholm University, 10691 Stockholm, Sweden
| | - Vendela Kempe Lagerholm
- Centre for Palaeogenetics, 106 91 Stockholm, Sweden; Department of Archaeology and Classical Studies, Stockholm University, 10691 Stockholm, Sweden
| | - Edmund Gilbert
- School of Pharmacy and Biomolecular Sciences, RCSI, D02 YN77 Dublin, Ireland; FutureNeuro SFI Research Centre, RCSI, D02 YN77 Dublin, Ireland
| | - Gianpiero L Cavalleri
- School of Pharmacy and Biomolecular Sciences, RCSI, D02 YN77 Dublin, Ireland; FutureNeuro SFI Research Centre, RCSI, D02 YN77 Dublin, Ireland
| | - Eivind Hovig
- Department of Tumor Biology, Institute for Cancer Research, Oslo University Hospital, 0424 Oslo, Norway; Centre for Bioinformatics, Department of Informatics, University of Oslo, 166 0450 Oslo, Norway
| | - Ingrid Kockum
- Center for Molecular Medicine, Department of Clinical Neuroscience, Neuroimmunology Unit, Karolinska Institutet, 171 76 Stockholm, Sweden
| | - Tomas Olsson
- Center for Molecular Medicine, Department of Clinical Neuroscience, Neuroimmunology Unit, Karolinska Institutet, 171 76 Stockholm, Sweden
| | - Lars Alfredsson
- Institute of Environmental Medicine, Karolinska Institutet, 171 77 Stockholm, Sweden
| | - Thomas F Hansen
- Institute of Biological Psychiatry, Copenhagen Mental Health Services, 4000 Roskilde, Denmark; Danish Headache Center, Department of Neurology, Copenhagen University Hospital, 2600 Glostrup, Denmark
| | - Thomas Werge
- Institute of Biological Psychiatry, Copenhagen Mental Health Services, 4000 Roskilde, Denmark; Department of Clinical Medicine, University of Copenhagen, Copenhagen 2200, Denmark; The Lundbeck Foundation Initiative for Integrative Psychiatric Research, iPSYCH, 8210 Aarhus, Denmark
| | - Arielle R Munters
- Department of Organismal Biology, Human Evolution, and SciLife Lab, Uppsala University, 75236 Uppsala, Sweden
| | - Carolina Bernhardsson
- Department of Organismal Biology, Human Evolution, and SciLife Lab, Uppsala University, 75236 Uppsala, Sweden
| | - Birgitte Skar
- Department of Archaeology and Cultural History, NTNU University Museum, Norwegian University of Science and Technology (NTNU), 7491 Trondheim, Norway
| | - Axel Christophersen
- Department of Archaeology and Cultural History, NTNU University Museum, Norwegian University of Science and Technology (NTNU), 7491 Trondheim, Norway
| | - Gordon Turner-Walker
- Department of Archaeology and Anthropology National Museum of Natural Science, 404023 Taichung City, Taiwan
| | - Shyam Gopalakrishnan
- Center for Evolutionary Hologenomics, the GLOBE Institute, University of Copenhagen, 1353 Copenhagen, Denmark
| | - Eva Daskalaki
- Department of Archaeology and Classical Studies, Stockholm University, 10691 Stockholm, Sweden
| | - Ayça Omrak
- Department of Archaeology and Classical Studies, Stockholm University, 10691 Stockholm, Sweden
| | - Patxi Pérez-Ramallo
- isoTROPIC Research Group, Department of Archaeology, Max Planck Institute for Geoanthropology, 07745 Jena, Germany; Department of Medical and Surgical Specialities, Faculty of Medicine and Nursing, University of the Basque Country (EHU), Donostia-San Sebastián 20014, Spain
| | | | - Linus Girdland-Flink
- Department of Archaeology, School of Geosciences, University of Aberdeen, AB24 3FX Aberdeen, UK; School of Biological and Environmental Sciences, Liverpool John Moores University, L3 3AF Liverpool, UK
| | - Fredrik Gunnarsson
- Department of Museum Archaeology, Kalmar County Museum, Box 104, Kalmar 39121, Sweden
| | | | - M Thomas P Gilbert
- Center for Evolutionary Hologenomics, the GLOBE Institute, University of Copenhagen, 1353 Copenhagen, Denmark; Department of Natural History, NTNU University Museum, Norwegian University of Science and Technology (NTNU), 7491 Trondheim, Norway
| | - Kerstin Lidén
- Department of Archaeology and Classical Studies, Stockholm University, 10691 Stockholm, Sweden
| | - Mattias Jakobsson
- Department of Organismal Biology, Human Evolution, and SciLife Lab, Uppsala University, 75236 Uppsala, Sweden
| | - Lars Einarsson
- Kronan, Marine Archaeological Department, Kalmar County Museum, Box 104, Kalmar S-39121, Sweden
| | - Helena Victor
- Department of Museum Archaeology, Kalmar County Museum, Box 104, Kalmar 39121, Sweden
| | - Maja Krzewińska
- Centre for Palaeogenetics, 106 91 Stockholm, Sweden; Department of Archaeology and Classical Studies, Stockholm University, 10691 Stockholm, Sweden
| | | | - Jan Storå
- Department of Archaeology and Classical Studies, Stockholm University, 10691 Stockholm, Sweden
| | - Kári Stefánsson
- deCODE Genetics/AMGEN, Inc., 102 Reykjavik, Iceland; Faculty of Medicine, University of Iceland, Reykjavik 101, Iceland
| | - Agnar Helgason
- deCODE Genetics/AMGEN, Inc., 102 Reykjavik, Iceland; Department of Anthropology, University of Iceland, 102 Reykjavik, Iceland.
| | - Anders Götherström
- Centre for Palaeogenetics, 106 91 Stockholm, Sweden; Department of Archaeology and Classical Studies, Stockholm University, 10691 Stockholm, Sweden.
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