Is haplogroup X present in extant South American Indians?

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...

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Bibliographic Details
Published in:American journal of physical anthropology 2005-08, Vol.127 (4), p.439-448
Main Authors: Dornelles, Cláudia L., Bonatto, Sandro L., De Freitas, Loreta B., Salzano, Francisco M.
Format: Article
Language:English
Subjects:
Amerindians
DNA, Mitochondrial - genetics
Genetics, Population
haplogroup X
Haplotypes - genetics
Heterozygote
Humans
HVS‐I
Indians, South American - genetics
mtDNA
Mutation - genetics
Phylogeny
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Summary: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.
ISSN:0002-9483
1096-8644
DOI:10.1002/ajpa.20103