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Article

Uniparental Lineages from the Oldest Indigenous Population of Ecuador: The Tsachilas

1
Department of Biology, University of Rome “Tor Vergata”, Via della Ricerca Scientifica n. 1, 00173 Rome, Italy
2
Department of Biological, Geological and Environmental Sciences, University of Bologna, 40126 Bologna, Italy
3
Interdepartmental Centre Alma Mater Research Institute on Global Challenges and Climate Change, University of Bologna, 40126 Bologna, Italy
4
Department of Cultural Heritage (DBC), University of Bologna, Via degli Ariani, 1, 40121 Ravenna, Italy
*
Authors to whom correspondence should be addressed.
Academic Editors: Ornella Semino and Alessandro Achilli
Genes 2021, 12(8), 1273; https://doi.org/10.3390/genes12081273
Received: 29 June 2021 / Revised: 12 August 2021 / Accepted: 16 August 2021 / Published: 20 August 2021
(This article belongs to the Special Issue The Peopling of the Americas: A Genetic Perspective)
Together with Cayapas, the Tsachilas constitute the oldest population in the country of Ecuador and, according to some historians, they are the last descendants of the ancient Yumbos. Several anthropological issues underlie the interest towards this peculiar population: the uncertainty of their origin, their belonging to the Barbacoan linguistic family, which is still at the center of an intense linguistic debate, and the relations of their Yumbo ancestors with the Inca invaders who occupied their ancient territory. Our contribution to the knowledge of their complex past was the reconstruction of their genetic maternal and paternal inheritance through the sequencing of 70 entire mitochondrial genomes and the characterization of the non-recombinant region of the Y chromosome in 26 males. For both markers, we built comprehensive datasets of various populations from the surrounding geographical area, northwestern South America, NW, with a known linguistic affiliation, and we could then compare our sample against the overall variability to infer relationships with other Barbacoan people and with other NW natives. We found contrasting patterns of genetic diversity for the two markers, but generally, our results indicated a possible common origin between the Tsachilas, the Chachi, and other Ecuadorian and Colombian Barbacoans and are suggestive of an interesting ancient linkage to the Inca invaders in Yumbo country. View Full-Text
Keywords: mtDNA; Y chromosome; Barbacoan; Native American; South America mtDNA; Y chromosome; Barbacoan; Native American; South America
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MDPI and ACS Style

Di Corcia, T.; Scano, G.; Martínez-Labarga, C.; Sarno, S.; De Fanti, S.; Luiselli, D.; Rickards, O. Uniparental Lineages from the Oldest Indigenous Population of Ecuador: The Tsachilas. Genes 2021, 12, 1273. https://doi.org/10.3390/genes12081273

AMA Style

Di Corcia T, Scano G, Martínez-Labarga C, Sarno S, De Fanti S, Luiselli D, Rickards O. Uniparental Lineages from the Oldest Indigenous Population of Ecuador: The Tsachilas. Genes. 2021; 12(8):1273. https://doi.org/10.3390/genes12081273

Chicago/Turabian Style

Di Corcia, Tullia, Giuseppina Scano, Cristina Martínez-Labarga, Stefania Sarno, Sara De Fanti, Donata Luiselli, and Olga Rickards. 2021. "Uniparental Lineages from the Oldest Indigenous Population of Ecuador: The Tsachilas" Genes 12, no. 8: 1273. https://doi.org/10.3390/genes12081273

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