ArticleGenetics and molecular biology2010
Analysis of paternal lineages in Brazilian and African populations.
Article in Genetics and molecular biology, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed.
- New Y-SNPs in QM3 indigenous populations of Colombia.PloS one · 2023Article
- Article
- Uniparental markers reveal new insights on subcontinental ancestry and sex-biased admixture in Brazil.Molecular genetics and genomics : MGG · 2022Article
- Genetic ancestry inferred from autosomal and Y chromosome markers and HLA genotypes in Type 1 Diabetes from an admixed Brazilian population.Scientific reports · 2021Article
- New insights on intercontinental origins of paternal lineages in Northeast Brazil.BMC evolutionary biology · 2020Article
- Male Lineages in Brazil: Intercontinental Admixture and Stratification of the European Background.PloS one · 2016Article
- At the southeast fringe of the Bantu expansion: genetic diversity and phylogenetic relationships to other sub-Saharan tribes.Meta gene · 2014Article
- Interethnic admixture and the evolution of Latin American populations.Genetics and molecular biology · 2014Review
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Authors and funding
7 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The present-day Brazilian population is a consequence of the admixture of various peoples of very different origins, namely, Amerindians, Europeans and Africans. The proportion of each genetic contribution is known to be very heterogeneous throughout the country. The aim of the present study was to compare the male lineages present in two distinct Brazilian populations, as well as to evaluate the African contribution to their male genetic substrate. Thus, two Brazilian population samples from Manaus (State of Amazon) and Ribeirão Preto (State of São Paulo) and three African samples from Guinea Bissau, Angola and Mozambique were typed for a set of nine Y chromosome specific STRs. The data were compared with those from African, Amerindian and European populations. By using Y-STR haplotype information, low genetic distances were found between the Manaus and Ribeirão Preto populations, as well as between these and others from Iberia. Likewise, no significant distances were observed between any of the African samples from Angola, Mozambique and Guinea Bissau. Highly significant Rst values were found between both Brazilian samples and all the African and Amerindian populations. The absence of a significant Sub-Saharan African male component resulting from the slave trade, and the low frequency in Amerindian ancestry Y-lineages in the Manaus and Ribeirão Preto population samples are in accordance with the accentuated gender asymmetry in admixture processes that has been systematically reported in colonial South American populations.
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