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Memórias do Instituto Oswaldo Cruz
Fundação Oswaldo Cruz, Fiocruz
ISSN: 1678-8060
EISSN: 1678-8060
Vol. 105, No. 8, 2010, pp. 1057-1060
Bioline Code: oc10181
Full paper language: English
Document type: Short Communication
Document available free of charge

Memórias do Instituto Oswaldo Cruz, Vol. 105, No. 8, 2010, pp. 1057-1060

 en Developmental and reproductive patterns of Triatoma brasiliensis check for this species in other resources infected with Trypanosoma cruzi check for this species in other resources under laboratory conditions
Oliveira, Tiago G.; Carvalho-Costa, Filipe A.; Gomes, Taís F.; Sarquis, Otília; Sposina, Ricardo & Lima, Marli M.

Abstract

The aim of this work was to study the interaction between Trypanosoma cruzi check for this species in other resources -1 and Triatoma brasiliensis check for this species in other resources . A group of 1st instar nymphs was initially fed on T. cruzi-infected mice and a control group was fed on uninfected mice. From the second feeding onwards, both groups were otherwise fed on non-infected mice. The resulting adults were grouped in pairs: infected male/uninfected female, uninfected male/infected female, infected male and female and uninfected male/uninfected female. The infection affected only the 1st instar nymphs, which took significantly more time to reach the 2nd instar than uninfected nymphs. The differences in the molting time between the infected and uninfected nymphs from the 2nd to the 5th instars were not statistically significant. Both groups presented similar rates of nymphal mortality and reproductive performance was not significantly affected by infection in any of the treatments.

Keywords
Triatoma brasiliensis - Trypanosoma cruzi - Chagas disease

 
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