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Genetic diversity of the mitochondrial cytochrome b gene in Lutzomyia spp., with special reference to Lutzomyia peruensis, a main vector of Leishmania (Viannia) peruviana in the Peruvian Andes

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Title: Genetic diversity of the mitochondrial cytochrome b gene in Lutzomyia spp., with special reference to Lutzomyia peruensis, a main vector of Leishmania (Viannia) peruviana in the Peruvian Andes
Authors: Yamamoto, Kento Browse this author
Cáceres, Abraham G. Browse this author
Gomez, Eduardo A. Browse this author
Mimori, Tatsuyuki Browse this author →KAKEN DB
Iwata, Hiroyuki Browse this author →KAKEN DB
Korenaga, Masataka Browse this author
Sakurai, Tatsuya Browse this author
Katakura, Ken Browse this author →KAKEN DB
Hashiguchi, Yoshihisa Browse this author →KAKEN DB
Kato, Hirotomo Browse this author
Keywords: Sand fly
Lutzomyia
cytochrome b
haplotype
Issue Date: Feb-2013
Publisher: Elsevier B.V.
Journal Title: Acta tropica
Volume: 126
Issue: 2
Start Page: 156
End Page: 163
Publisher DOI: 10.1016/j.actatropica.2013.02.007.
Abstract: The genetic divergence caused by genetic drift and/or selection is suggested to affect the vectorial capacity and insecticide susceptibility of sand flies, as well as other arthropods. In the present study, cytochrome b (cyt b) gene sequences were determined in 13 species circulating in Peru to establish a basis for analysis of the genetic structure, and the intraspecific genetic diversity was assessed in the Lutzomyia (Lu.) peruensis, a main vector species of Leishmania (Viannia) peruviana in Peruvian Andes. Analysis of intraspecific genetic diversity in the cyt b gene sequences from 36 Lu. peruensis identified 3 highly polymorphic sites in the middle region of the gene. Haplotype and gene network analyses were performed on the cyt b gene sequences of 130 Lu. peruensis in 9 Andean areas from 3 Departments (Ancash, Lima and La Libertad). The results showed that the populations of La Libertad were highly polymorphic and that their haplotypes were distinct from those of Ancash and Lima, where dominant haplotypes were observed, suggesting that a population bottleneck may have occurred in Ancash and Lima, but not in La Libertad. The present study indicated that the middle region of the cyt b gene is useful for the analysis of genetic structure in sand fly populations.
Type: article (author version)
URI: http://hdl.handle.net/2115/52270
Appears in Collections:獣医学院・獣医学研究院 (Graduate School of Veterinary Medicine / Faculty of Veterinary Medicine) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 加藤 大智

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