Volume 127, Issue 4 pp. 439-448
Research Article
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Is haplogroup X present in extant South American Indians?

Cláudia L. Dornelles

Cláudia L. Dornelles

Departamento de Genética, Instituto de Biociências, Universidade Federal do Rio Grande do Sul, 91501-970 Porto Alegre, Rio Grande do Sul, Brazil

Faculdade de Biociências, Pontifícia Universidade Católica do Rio Grande do Sul, 90610-001 Porto Alegre, Rio Grande do Sul, Brazil

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Sandro L. Bonatto

Sandro L. Bonatto

Faculdade de Biociências, Pontifícia Universidade Católica do Rio Grande do Sul, 90610-001 Porto Alegre, Rio Grande do Sul, Brazil

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Loreta B. De Freitas

Loreta B. De Freitas

Departamento de Genética, Instituto de Biociências, Universidade Federal do Rio Grande do Sul, 91501-970 Porto Alegre, Rio Grande do Sul, Brazil

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Francisco M. Salzano

Corresponding Author

Francisco M. Salzano

Departamento de Genética, Instituto de Biociências, Universidade Federal do Rio Grande do Sul, 91501-970 Porto Alegre, Rio Grande do Sul, Brazil

Departamento de Genética, Instituto de Biociências, Universidade Federal do Rio Grande do Sul, Caixa Postal 15053, 91501-970, Porto Alegre, RS, BrazilSearch for more papers by this author
First published: 28 December 2004
Citations: 27

Abstract

A total of 1,159 mitochondrial DNA samples from two Mongolian, two Siberian, and 25 South Native American populations was surveyed for the presence of the C16278T mutation, frequently found in haplogroup X. Material from 25 carriers of that mutation was then sequenced for the hypervariable segment I (HVS-I) control region, and those that still were not classifiable in classical Amerindian haplogroups were further studied. The tests involved all the control region, as well as the presence of characteristic mutations in seven coding fragments, totalling 5,760 base pairs. The results indicate that haplogroup X is not present in these samples. Am J Phys Anthropol, 2005. © 2004 Wiley-Liss, Inc.

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