ArticlePloS one2015
The Genomic Legacy of the Transatlantic Slave Trade in the Yungas Valley of Bolivia.
Article in PloS one, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed, 8 citations in OpenAlex.
- A review of ancestrality and admixture in Latin America and the caribbean focusing on native American and African descendant populations.Frontiers in genetics · 2023Review
- Y Haplogroup Diversity of the Dominican Republic: Reconstructing the Effect of the European Colonization and the Trans-Atlantic Slave Trades.Genome biology and evolution · 2020Article
- Mitogenomes illuminate the origin and migration patterns of the indigenous people of the Canary Islands.PloS one · 2019Article
- The peopling of South America and the trans-Andean gene flow of the first settlers.Genome research · 2018Article
- Signs of continental ancestry in urban populations of Peru through autosomal STR loci and mitochondrial DNA typing.PloS one · 2018Article
- Hepatitis C virus pharmacogenomics in Latin American populations: implications in the era of direct-acting antivirals.Pharmacogenomics and personalized medicine · 2017Review
- Mapping the genomic mosaic of two 'Afro-Bolivians' from the isolated Yungas valleys.BMC genomics · 2016Article
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Authors and funding
9 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
During the period of the Transatlantic Slave Trade (TAST) some enslaved Africans were forced to move to Upper Peru (nowadays Bolivia). At first they were sent to Potosí, but later to the tropical Yungas valley where the Spanish colonizers established a so-called "hacienda system" that was based on slave labor, including African-descendants. Due to their isolation, very little attention has been paid so far to 'Afro-Bolivian' communities either within the research field of TAST or in genetic population studies. In this study, a total of 105 individuals from the Yungas were sequenced for their mitochondrial DNA (mtDNA) control region, and mitogenomes were obtained for a selected subset of these samples. We also genotyped 46 Ancestry Informative Markers (AIM) in order to investigate continental ancestry at the autosomal level. In addition, Y-chromosome STR and SNP data for a subset of the same individuals was also available from the literature. The data indicate that the partitioning of mtDNA ancestry in the Yungas differs significantly from that in the rest of the country: 81% Native American, 18% African, and 1% European. Interestingly, the great majority of 'Afro-descendant' mtDNA haplotypes in the Yungas (84%) concentrates in the locality of Tocaña. This high proportion of African ancestry in the Tocaña is also manifested in the Y-chromosome (44%) and in the autosomes (56%). In sharp contrast with previous studies on the TAST, the ancestry of about 1/3 of the 'Afro-Bolivian' mtDNA haplotypes can be traced back to East and South East Africa, which may be at least partially explained by the Arab slave trade connected to the TAST.
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