Tue Jan 07 05:30:00 IST 2025: ## New Genomic Analysis Reveals Surprising Details of Viking Age Migrations
**London, January 7, 2025** – A groundbreaking study published in *Nature* has utilized a novel genomic analysis technique, Twigstats, to dramatically refine our understanding of population movements in Europe during the Iron, Roman, and Viking Ages. Researchers from the Francis Crick Institute and collaborators across the UK, Japan, and Sweden analyzed 1,556 ancient DNA (aDNA) samples from across northern and central Europe, achieving unprecedented detail in tracing individual-level ancestry.
The study’s key innovation lies in Twigstats, a method that analyzes haplotypes and rare genetic variants, providing significantly more powerful results than traditional single nucleotide polymorphism (SNP) analysis. This enhanced resolution allowed researchers to pinpoint the movement of individuals with Scandinavian ancestry across Europe during the first century AD, significantly earlier than previously believed.
The findings reveal a more nuanced picture than previously possible. The study confirmed the widespread impact of Viking migrations, tracing their genetic legacy in Britain, Ireland, and Iceland. However, it also uncovered evidence of gene flow *into* Scandinavia from continental Europe and the British Isles *before* the Viking Age, highlighting a bidirectional exchange of genetic material.
The analysis also revealed surprising shifts in ancestry in specific regions. In present-day Poland, for example, the study showed a clear shift away from Corded Ware cultures in the Bronze Age and a subsequent separation of populations associated with the Wielbark culture.
Beyond confirming the impact of Viking migrations, the research provides evidence of pre-Viking Age Scandinavian-like ancestry in Britain and the Baltic regions, suggesting earlier interactions and migrations than previously thought. In Britain, this ancestry appears linked to Anglo-Saxon migrations; in the Baltic, it indicates early contact with Scandinavian groups.
The authors highlight the broader implications of their work, suggesting that Twigstats can be applied to aDNA datasets globally to generate similar high-resolution maps of ancient population movements. By integrating genetic data with archaeological and historical evidence, this research offers a significantly improved understanding of the complex interplay between genetic shifts and cultural transitions in early medieval Europe.
First Piper 