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Isolation and characterization of sylvatic mosquito-borne viruses in Trinidad: enzootic transmission and a new potential vector of Mucambo virus.
Auguste, Albert J; Adams, A Paige; Arrigo, Nicole C; Martinez, Raymond; Travassos da Rosa, Amelia P A; Adesiyun, Abiodun A; Chadee, Dave D; Tesh, Robert B; Carrington, Christine V F; Weaver, Scott C.
Afiliación
  • Auguste AJ; Department of Preclinical Sciences, and School of Veterinary Medicine, Faculty of Medical Sciences, The University of the West Indies, St. Augustine, Republic of Trinidad and Tobago. albert.auguste@sta.uwi.edu
Am J Trop Med Hyg ; 83(6): 1262-5, 2010 Dec.
Article en En | MEDLINE | ID: mdl-21118932
Mosquito surveillance was carried out in three forested regions of Trinidad during July 2007-March 2009. A total of 185,397 mosquitoes representing at least 46 species was collected, divided into pools of 1-50 mosquitoes according to species and sex, and screened for arboviruses using cytopathic effect assays on Vero cell monolayers. Eighty-five viruses were isolated, including members of the genera Alphavirus (Mucambo virus; MUCV) and Orthobunyavirus (Caraparu, Oriboca, Bimiti, and Wyeomyia viruses). Species of the Culex subgenus Melanoconion accounted for 56% of the total number of mosquitoes collected and 97% of the viruses isolated; Cx. (Mel.) portesi accounted for 92% of virus isolations. Our results also implicate for the first time Aedes (Ochlerotatus) hortator as a potential vector of MUCV. Phylogenetic analyses of 43 MUCV strains suggest population subdivision within Trinidad, consistent with the hypothesis of enzootic maintenance in localized rodent populations.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Orthobunyavirus / Alphavirus / Insectos Vectores / Culicidae Límite: Animals País/Región como asunto: Caribe ingles / Trinidad y tobago Idioma: En Revista: Am J Trop Med Hyg Año: 2010 Tipo del documento: Article Pais de publicación: Estados Unidos
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Orthobunyavirus / Alphavirus / Insectos Vectores / Culicidae Límite: Animals País/Región como asunto: Caribe ingles / Trinidad y tobago Idioma: En Revista: Am J Trop Med Hyg Año: 2010 Tipo del documento: Article Pais de publicación: Estados Unidos