Genetic relationships among some species groups within the genus Lutzomyia (Diptera: Psychodidae)
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Título: | Genetic relationships among some species groups within the genus Lutzomyia (Diptera: Psychodidae) |
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Autor/es: | Torgerson, Dara G. | Lampo, Margarita | Velásquez Zambrano, Yelitza | Woo, Patrick T.K. |
Grupo/s de investigación o GITE: | Bionomía, Sistemática e Investigación Aplicada de Insectos Dípteros e Himenópteros |
Centro, Departamento o Servicio: | Instituto Venezolano de Investigaciones Científicas. Centro de Ecología | McMaster University. Department of Biology | University of Guelph. Department of Zoology | Universidad de Alicante. Departamento de Ciencias Ambientales y Recursos Naturales |
Palabras clave: | Lutzomyia | Diptera | Venezuela | Psychodidae | Cytochrome b | Leishmaniasis | Mitochondrial | DNA |
Área/s de conocimiento: | Bioquímica y Biología Molecular | Zoología | Parasitología |
Fecha de creación: | 2003 |
Fecha de publicación: | nov-2003 |
Editor: | The American Society of Tropical Medicine and Hygiene |
Cita bibliográfica: | TORGERSON, Dara G., et al. "Genetic relationships among some species groups within the genus Lutzomyia (Diptera: Psychodidae)". The American Journal of Tropical Medicine and Hygiene. Vol. 69, Issue 5 (Nov. 2003). ISSN 0002-9637, pp. 484-493 |
Serie/Informe nº: | IBAI-2 | IBAI-20001 |
Resumen: | Molecular data on Lutzomyia are very scarce, despite the fact that this genus includes all the species involved in the transmission of leishmaniasis in America. We examine the genetic relationships among eight morphologic groups within the Lutzomyia genus and two Brumptomyia species, using nine enzyme loci and the last 285 basepairs of the mitochondrial cytochrome b gene. The structure of the genetic variation among the species analyzed indicated a closer genetic relationship among members of a morphologic group than between members of different groups. The lower levels of variation recorded among these groups compared with that between Brumptomyia and Lutzomyia suggest a subgeneric status for all of these groups, including Psychodopygus. A maximum likelihood tree for the allozyme data and a neighbor-joining consensus tree for the mitochondrial DNA sequences showed a general agreement with morphologic groups, with only minor differences. Nyssomyia, Verrucarum and Micropygomyia formed separate monophyletic groups. Lutzomyia could not be separated from Psathyromyia, and both Migonei species, L. dubitans and L. migonei, grouped in different clades according to the host species they are found on. |
Patrocinador/es: | This study was supported by Consejo Nacional de Investigacions Científicas y Tecnológicas (CONICIT) (No. 96–0001370), the World Health Organization-World Bank (No. 021–007), the Canadian International Development Agency (CIDA), and the Canadian Bureau for International Education (CBIE). |
URI: | http://hdl.handle.net/10045/2798 |
ISSN: | 0002-9637 |
Idioma: | eng |
Tipo: | info:eu-repo/semantics/article |
Derechos: | © 2003 by The American Society of Tropical Medicine and Hygiene |
Revisión científica: | si |
Aparece en las colecciones: | INV - BIONOMIA - Artículos Científicos / Scientific Papers |
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