The impact of modern migrations on present-day multi-ethnic Argentina as recorded on the mitochondrial DNA genome
Author Information
Author(s): Catelli María Laura, Álvarez-Iglesias Vanesa, Gómez-Carballa Alberto, Mosquera-Miguel Ana, Romanini Carola, Borosky Alicia, Amigo Jorge, Carracedo Ángel, Vullo Carlos, Salas Antonio
Primary Institution: Equipo Argentino de Antropología Forense
Hypothesis
What is the genetic impact of modern migrations on the mitochondrial DNA of present-day Argentineans?
Conclusion
The study highlights the significant genetic heterogeneity in Argentina, influenced by various ancestral components from European, Native American, and African origins.
Supporting Evidence
- Half of the Native American component in urban Argentineans may come from recent immigration.
- The Spanish genetic contribution is slightly higher than the Italian one.
- Genetic diversity is higher in urban populations compared to indigenous groups.
Takeaway
This study looks at the DNA of people in Argentina to see where their ancestors came from, showing that many have roots in Europe, Native America, and Africa.
Methodology
384 blood samples were collected from unrelated donors across different regions in Argentina and analyzed for mitochondrial DNA.
Potential Biases
Potential bias due to the non-representative sampling of populations and lack of detailed demographic data.
Limitations
The study did not collect bio-geographic information for most donors, which may affect the accuracy of the results.
Participant Demographics
Participants were from various regions in Argentina, but specific demographic details were not fully captured.
Digital Object Identifier (DOI)
Want to read the original?
Access the complete publication on the publisher's website