[Susceptibility of Rhodnius neglectus, Rhodnius robustus and Triatoma infestans (Hemiptera, Reduviidae, Triatominae) to infection by two strains of Trypanosoma cruzi (Kinetoplastidae, Trypanosomatidae) using artificial xenodiagnosis].

L P, Martins; J A, da Rosa; R E, Castanho; G L, Sauniti; H, Medeiros

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Revista da Sociedade Brasileira de Medicina Tropical

Article . 2001

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[Susceptibility of Rhodnius neglectus, Rhodnius robustus and Triatoma infestans (Hemiptera, Reduviidae, Triatominae) to infection by two strains of Trypanosoma cruzi (Kinetoplastidae, Trypanosomatidae) using artificial xenodiagnosis].

descriptionPublicationkeyboard_double_arrow_right Article 05 Jul 2001 Portuguese Journal:Revista da Sociedade Brasileira de Medicina Tropical, volume 33 (issn: 0037-8682,

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Authors: L P, Martins; J A, da Rosa; R E, Castanho; G L, Sauniti; H, Medeiros;

pmid: 11175586

[Susceptibility of Rhodnius neglectus, Rhodnius robustus and Triatoma infestans (Hemiptera, Reduviidae, Triatominae) to infection by two strains of Trypanosoma cruzi (Kinetoplastidae, Trypanosomatidae) using artificial xenodiagnosis].

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Abstract

The susceptibility of 3rd instar nymph of Triatominae Rhodnius neglectus, R. robustus and Triatoma infestans to Trypanosoma cruzi Y and AMJM strains was verified using artificial xenodiagnosis. After the accomplishment of the xenodiagnosis, the faeces of the Triatominae were analyzed on two-day intervals from day 5 until day 31 post infection, using the abdominal compression technique. The results showed differences in the susceptibility of the Triatominae for the two strains studied, and the optimal period reading differed from day 11 to day 19 for the Y strain and from day 11 to day 15 for the AMJM strain. For the Y strain, all three Triatominae species showed good susceptibility, whereas in the AMJM strain, the highest susceptibility was observed with R. neglectus, followed by T. infestans and R. robustus.

Related Organizations

Faculdade de Medicina de Marília
Brazil

Keywords

Rhodnius, Animals, Chagas Disease, Triatoma, Xenodiagnosis

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