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Scientists Chart Ancient Migrations Through DNA

Artifacts

By taking extensive DNA samples from the skulls of people buried in two European cemeteries from the 6th Century – one in Italy and one in Hungary – and combining that data with artifacts from the ancient civilization, scientists are now better able to piece together how “barbarians” invading from north of the declining Roman Empire interacted with local populations during the European Migration Period (4th to 8th centuries), laying the foundation for modern European society.

Artifacts
Male grave goods from the archeological site in Italy (Photo: Soprintendenza Archeologia, Belle Arti e Paesaggio per la Città Metropolitana di Torino)

Co-led by Krishna Veeramah, PhD, Assistant Professor in the Department of Ecology and Evolution in the College of Arts and Sciences, the study, published in Nature Communications, is the first cross-disciplinary analysis of 6th Century barbarian cemeteries and contains the largest number of genomes generated from a single ancient site to date.

Krishna Veeramah
Krishna Veeramah

“Our study provided clear evidence of migrations from Pannonia to Italy described in historic texts and by the Romans,” said Veeramah. “Interestingly, DNA reveals that biological kinship was a key part of these societies, mainly among males, and women were probably acquired at different points during migrations.”

Additionally, in both cemeteries individuals buried with elaborate grave goods, like swords and shields for men and necklaces on women, had genomic ancestry associated with northern and central Europeans, while those buried without such goods had southern European genomes.

The interdisciplinary research team points out that the study sheds light on new ways to help historians understand the complexity and heterogeneity of Europe’s past and present populations. They are looking to complete similar studies at sites in other areas of Europe to help solve the puzzle of the Migration Period and better understand the various demographic processes that led to modern Europe.

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