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Sex influence on the susceptibility of Swiss mice to Trypanosoma cruzi [Influencia del sexo en la susceptibilidad de ratones Swiss a Trypanosoma cruzi]
(Boletin de Malariologia y Salud Ambiental, 2012-10-07)
Some authors have reported that female mice are more resistant to Trypanosoma cruzi infections than male mice. In order to test this hypothesis we did a comparative study using four isolates of T. cruzi from Costa Rica in ...
Molecular characterization of Trypanosoma cruzi and infection rate of the vector Triatoma dimidiate in Costa Rica
(Universidad Nacional, Costa Rica, 2012-06-30)
According to the genetic characterization by the analysis of the miniexon gene, strains of Trypanosoma cruzi can be classified into six discrete typing units (DTUs), and the DTU 1 into four distinct genotypes associated ...
Chagas disease in dogs from endemic areas of Costa Rica
(Memórias do Instituto Oswaldo Cruz, 2002-06)
Dogs with the presumptive diagnosis of Chagas disease are commonly sent to our School of Veterinary Medicine by independent veterinarians. This prompted us to evaluate the prevalence of canine trypanosomiasis in some ...
Ecological control of Triatoma dimidiata (Latreille, 1811): five years after a Costa Rican pilot project
(Instituto Oswaldo Cruz, 2008)
An ecological pilot project for the control of Triatoma dimidiata allowed a new evaluation four and five years
after environmental modifications in the peridomestic areas of 20 households. It was verified that the two ...
Environmental management for the control of Triatoma dimidiata (Latreille, 1811), (Hemiptera: Reduviidae) in Costa Rica: a pilot project
(Memórias do Instituto Oswaldo Cruz, 2006-06)
An ecological control method, using environmental management operations, based on biological and behavioral characteristics of Triatoma dimidiata (Latreille, 1811), was implemented as a pilot project in an area of Costa ...
Evidence of colonization of man-made ecotopes by Triatoma dimidiata (Latreille, 1811) in Costa Rica
(Memórias do Instituto Oswaldo Cruz, 2001-07)
Triatoma dimidiata adults have been frequently found, during the last five years, in a dog kennel and
a chicken coop, in the back yard of a well-built house, 15 km from San José, the capital of Costa Rica.
In the chicken ...
Morfologia externa de Triatoma ryckmani Zeledón & Ponce, 1972 vista através da microscopia eletrônica de Varredura
(Memórias do Instituto Oswaldo Cruz, 1996-12)
External Morphology of Triatoma rickmani Zeledón & Ponce, 1972 by Scanning Electron Mi croscopy - A male of Triatoma ryckmani Zeledón & Ponce, 1972, was studied by scanning electron
microscopy. Only few specimens of this ...
In vitro activity of thienyl-2-nitropropene compounds against Trypanosoma cruzi
(Memórias do Instituto Oswaldo Cruz, 2009-11)
The in vitro activity of four 2-nitropropene derivatives, 1-(3-benzothienyl)-2-nitropropene (N1), 1-(3-thienyl)-2-
nitropropene (N2), 1-(5-bromo-2-thienyl)-2-nitropropene (N3) and 1-(4-bromo-2-thienyl)-2-nitropropene (N4), ...
Life cycle of Triatoma ryckmani (Hemiptera: Reduviidae) in the laboratory, feeding patterns in nature and experimental infection with Trypanosoma cruzi
(Instituto Oswaldo Cruz, 2010-02)
A cohort initiated with 121 eggs, yielding 105 first instar nymphs (eclosion rate: 86.78%), allowed us to observe
the entire life cycle of Triatoma ryckmani under laboratory conditions (24ºC and 62% relative humidity), ...
A survey on Triatoma dimidiata in an urban area of the province of Heredia, Costa Rica
(Mem Inst Oswaldo Cruz, 2005-10)
Triatoma dimidiata has been found in several cities and towns of those countries where the insect is a domestic or
peridomestic pest. In Central America, urban infestations occur in the capitals of at least five ...