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Uniparental (mtDNA, Y-chromosome) polymorphisms in French Guiana and two related populations : implications for the region's colonization

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Uniparental (mtDNA, Y-chromosome) polymorphisms in French Guiana and two related populations : implications for the region's colonization

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Título Uniparental (mtDNA, Y-chromosome) polymorphisms in French Guiana and two related populations : implications for the region's colonization
Autor Mazières, Stéphane
Guitard, Evelyne
Crubézy, Eric
Dugoujon, Jean-Michel
Bortolini, Maria Cátira
Bonatto, Sandro Luis
Hutz, Mara Helena
Bois, Etienne
Tiouka, Félix
Larrouy, Georges
Salzano, Francisco Mauro
Abstract Blood samples collected in four Amerindian French Guiana populations (Palikur, Emerillon, Wayampi and Kali’na) in the early 1980s were screened for selected mtDNA and Y-chromosome length polymorphisms, and sequenced for the mtDNA hypervariable segment I (HVS-I). In addition, two other Amerindian populations (Apala´ı and Matsiguenga) were examined for the same markers to establish the genetic relationships in the area. Strong dissimilarities were observed in the distribution of the founding Amerindian haplogroups, and significant p-values were obtained from FST genetic distances. Interpopulation similarities occurred mainly due to geography. The Palikur did not show obvious genetic similarity to the Matsiguenga, who speak the same language and live in a region from where they could have migrated to French Guiana. The African-origin admixture observed in the Kali’na probably derives from historical contacts they had with the Bushinengue (Noir Marron), a group of escaped slaves who now lead independent lives in a nearby region. This analysis has identified significant clues about the Amerindian peopling of the North-East Amazonian region.
Contido em Annals of human genetics. London. Vol. 72, n. 1 (Jan. 2008), p. 145-156
Assunto Genética de populações
Guiana Francesa
Guiana Francesa
Marcadores genéticos
Polimorfismo genético
[en] Amerindian populations
[en] French Guiana colonization
[en] Genetic markers
Origem Estrangeiro
Tipo Artigo de periódico
URI http://hdl.handle.net/10183/27439
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