Nota sobre a infecção natural de Calomys expulsus, Lund, 1841 (Cricetidae-Rodentia) pelo Trypanosoma cruzi

  • Mello D
  • Teixeira M
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Abstract

Foi isolada uma amostra de T. cruzi do roedor silvestre, Calomys expulsus, Lund, 1841, capturado no norte do município de Formosa, Goiás, através de inoculações em animais de laboratório, e subseqüente xenodiagnósticos com R. neglectus, T. infestans e P. megistus. A amostra de T. cruzi apresentou patogenicidade muito baixa para os animais inoculados, mas conferiu resistência a reinjecções a cêpa Y de origem humana. As jornias sanguícolas tiveram um comprimento total médio de 21.8 µ e o índice nuclear foi 1.15.A strain of T. cruzi was isolated from the wild rodent Calomys expulsus, Lund, 1841, captured in the northeastern part of the county of Formosa, state of Goiás This strain was isolated through inoculations into laboratory animals and subsequent xenodiagnosis with R. neglectus, T. infestans and P. megistus. This strain has low pathogenicity for the inoculated animals but develops resistance against reinfection with the Y strain of T. cruzi. Blood trypanosomes have a mean total length of 21.8 µ and the nuclear index was 1.15.

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Mello, D. A., & Teixeira, M. L. (1977). Nota sobre a infecção natural de Calomys expulsus, Lund, 1841 (Cricetidae-Rodentia) pelo Trypanosoma cruzi. Revista de Saúde Pública, 11(4), 561–564. https://doi.org/10.1590/s0034-89101977000400012

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