Basques and Their Ancient Mitochondrial Lineage U8a
Author Information
Author(s): Ana M González, Oscar García, José M Larruga, Vicente M Cabrera
Primary Institution: Department of Genetics, Faculty of Biology, University of La Laguna
Hypothesis
Are Basques direct descendants of Paleolithic Europeans based on mitochondrial DNA evidence?
Conclusion
Basques have the oldest lineages in Europe for mitochondrial subhaplogroup U8a, indicating their presence since the Upper Paleolithic.
Supporting Evidence
- Basques have the most ancestral phylogeny in Europe for the rare mitochondrial subhaplogroup U8a.
- Divergence times suggest the Basque origin of this lineage in the Upper Paleolithic.
- Phylogeographic analysis indicates two expansion periods of U8a in Europe.
Takeaway
Scientists studied the DNA of Basques and found that they have very old family trees that go back to the Stone Age, showing they have lived in their area for a very long time.
Methodology
The study analyzed mitochondrial DNA from 211 unrelated Basques using genomic sequencing and RFLP analysis.
Potential Biases
Possible recent male gene flow from adjacent areas and maternal influences from North Africa.
Limitations
U8a haplotypes only represent 1% of the present-day Basque maternal pool, indicating a complex genetic history.
Participant Demographics
211 unrelated autochthonous Basques from the Iberian provinces.
Digital Object Identifier (DOI)
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