First report of mixed Trypanosoma cruzi discrete typing units infection in Triatoma phyllosoma in the peri-urban environment of Oaxaca, Mexico
Background: Chagas disease, a zoonosis transmitted mainly by hematophagous insects of the subfamily Triatominae, is caused by Trypanosoma cruzi, classified into six discrete typing units (DTUs: TcI-TcVI and Tcbat). Methods: Insect vectors were collected from 84 human dwellings in the municipality of Santo Domingo Tehuantepec, Oaxaca, Mexico; 4.76% were infested. DTUs were determined using conventional and nested PCR. Results: The infection rate was 43.6%. All insects were infected with TcI while one specimen showed mixed infection with TcII. Conclusions: This is the first report of T. cruzi mixed infection in Triatoma phyllosoma, its main vector in the study region.
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Main Authors: | Domínguez Cruz, Dulce Concepción Maestra autora 22702, Velázquez Ramírez, Doireyner Daniel autor, Olivo Vidal, Zendy Evelyn Doctora autora 21642, De Fuentes Vicente, José Antonio autor, Ochoa Díaz López, Héctor Doctor autor 8663 |
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Format: | Texto biblioteca |
Language: | eng |
Subjects: | Trypanosoma cruzi, Triatoma phyllosoma, Enfermedad de chagas, Triatominae, Vectores de enfermedades, Zonas urbanas, |
Online Access: | https://doi.org/10.1590/0037-8682-0449-2023 |
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