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Journal Article

Origin and mobility of Iron Age Gaulish groups in present-day France revealed through archaeogenomics

MPS-Authors
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Rivollat,  Maïté       
Department of Archaeogenetics, Max Planck Institute for Evolutionary Anthropology, Max Planck Society;

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Fischer_Origin_iScience_2022.pdf
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Fischer_Origin_iScience_2022_Suppl.zip
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Citation

Fischer, C.-E., Pemonge, M.-H., Ducoussau, I., Arzelier, A., Rivollat, M., Santos, F., et al. (2022). Origin and mobility of Iron Age Gaulish groups in present-day France revealed through archaeogenomics. iScience, 25(4): 104094. doi:10.1016/j.isci.2022.104094.


Cite as: https://hdl.handle.net/21.11116/0000-000A-7ADE-4
Abstract
Highlights
•49 low coverage genomes from 27 sites from France, dated to ≈1200–80 years cal BCE

•
No major migration or population turnover between Bronze and Iron Age in France

•A gradual North/South genetic structuration of IA populations

•
Evidence of individual mobility between regions and neighboring countries


Summary
The Iron Age period occupies an important place in French history because the Gauls are regularly presented as the direct ancestors of the extant French population. We documented here the genomic diversity of Iron Age communities originating from six French regions. The 49 acquired genomes permitted us to highlight an absence of discontinuity between Bronze Age and Iron Age groups in France, lending support to a cultural transition linked to progressive local economic changes rather than to a massive influx of allochthone groups. Genomic analyses revealed strong genetic homogeneity among the regional groups associated with distinct archaeological cultures. This genomic homogenization appears to be linked to individuals’ mobility between regions and gene flow with neighbouring groups from England and Spain. Thus, the results globally support a common genomic legacy for the Iron Age population of modern-day France that could be linked to recurrent gene flow between culturally differentiated communities.