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Distribution of Lutzomyia ayacuchensis, the vector of Andean-type cutaneous leishmaniasis, at different altitudes on the Andean slope of Ecuador

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Title: Distribution of Lutzomyia ayacuchensis, the vector of Andean-type cutaneous leishmaniasis, at different altitudes on the Andean slope of Ecuador
Authors: Gomez, Eduardo A. Browse this author
Kato, Hirotomo Browse this author →KAKEN DB
Mimori, Tatsuyuki Browse this author →KAKEN DB
Hashiguchi, Yoshihisa Browse this author →KAKEN DB
Keywords: Phlebotomine sand fly
Andean slope
Lutzomyia ayacuchensis
Leishmania (Leishmania) mexicana
Ecuador
Issue Date: Sep-2014
Publisher: Elsevier
Journal Title: Acta Tropica
Volume: 137
Start Page: 118
End Page: 122
Publisher DOI: 10.1016/j.actatropica.2014.05.006
PMID: 24856579
Abstract: Distribution of the vector species is a major risk factor for the endemicity of leishmaniasis. In the present study, the vertical distribution of Lutzomyia (Lu.) ayacuchensis, the vector of Leishmania (Leishmarzia) mexicana in the Ecuadorian Andes, was surveyed at different altitudes (300-2500 m above sea level) of the Andean slope. The vector species Lu. ayacuchensis was identified at an altitude of 650 m and a higher areas, and higher distribution ratio of the species was observed at higher altitudes. In addition, high ratios of L. (L.) mexicana infection were detected in higher areas, but none in lower populations of sand flies. Since an association between sand fly populations and vector competence is suggested in Lu. ayacuchensis, haplotype analysis was performed on the species from different altitudes of the study areas; however, no apparent difference Was observed among populations. These results suggested that Lu. ayacuchensis in Andean slope areas of Ecuador has the potential to transmit L. (L.) mexicana and spread leishmaniasis in these areas. (C) 2014 Elsevier B.V. All rights reserved.
Type: article (author version)
URI: http://hdl.handle.net/2115/57012
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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