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Memórias do Instituto Oswaldo Cruz
Fundação Oswaldo Cruz, Fiocruz
ISSN: 1678-8060
EISSN: 1678-8060
Vol. 100, No. 7, 2005, pp. 753-760
Bioline Code: oc05159
Full paper language: English
Document type: Research Article
Document available free of charge

Memórias do Instituto Oswaldo Cruz, Vol. 100, No. 7, 2005, pp. 753-760

 en Genetic diversity of Triatoma infestans check for this species in other resources (Hemiptera: Reduviidae) in Chuquisaca, Bolivia based on the mitochondrial cytochrome b gene
Rosanna Giordano; Juan Carlos Pizarro Cortez; Stephanie Paulk & Lori Stevens

Abstract

Partial cytochrome b DNA sequences for 62 Triatoma infestans check for this species in other resources were analyzed to determine the degree of genetic variation present in populations of this insect in the northwest region of Chuquisaca, Bolivia. A total of seven haplotypes were detected in the localities sampled. The phylogenetic relationship and population genetic structure of the haplotypes found in this region, indicate that there is greater variation in this relatively small region of Bolivia than what has been previously reported by studies using the same gene fragment, for more distant geographic areas of this country. In addition, a comparison of rural and peri-urban localities, indicate that there is no difference in the genetic variation of T. infestans between these two environments.

Keywords
Triatoma infestans - Trypanosoma cruzi - Chagas disease - cytochrome b - genetic diversity - Bolivia

 
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