Follow up of natural infection with Trypanosoma cruzi in two mammals species, Nasua narica and Procyon lotor (Carnivora: Procyonidae): evidence of infection control?

BACKGROUND: A large variety of mammals act as natural reservoirs of Trypanosoma cruzi (the causal agent of Chagas disease) across the American continent. Related issues are infection and parasite burden in these reservoirs, and whether they are able to control T. cruzi infections. These parameters c...

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Bibliographic Details
Published in:Parasites & vectors 2014-08, Vol.7 (1), p.405-405, Article 405
Main Authors: Martínez-Hernández, Fernando, Rendon-Franco, Emilio, Gama-Campillo, Lilia María, Villanueva-García, Claudia, Romero-Valdovinos, Mirza, Maravilla, Pablo, Alejandre-Aguilar, Ricardo, Rivas, Nancy, Córdoba-Aguilar, Alex, Muñoz-García, Claudia Irais, Villalobos, Guiehdani
Format: Article
Language:English
Subjects:
Animals
blood
Carnivora
Chagas disease
Chagas Disease - epidemiology
Chagas Disease - immunology
Chagas Disease - parasitology
Chagas Disease - veterinary
disease control
Health aspects
Infection control
mammals
Mexico
Mexico - epidemiology
Nasua narica
parasites
polymerase chain reaction
Procyon lotor
Procyonidae
Procyonidae - parasitology
Reservoir
residential housing
Species Specificity
summer
Trypanosoma cruzi
Trypanosoma cruzi - isolation & purification
winter
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Summary:BACKGROUND: A large variety of mammals act as natural reservoirs of Trypanosoma cruzi (the causal agent of Chagas disease) across the American continent. Related issues are infection and parasite burden in these reservoirs, and whether they are able to control T. cruzi infections. These parameters can indicate the real role of mammals as T. cruzi reservoirs and transmitters. Here, two species of mammals, white-nosed coati (Nasua narica) and raccoon (Procyon lotor), were examined for to determine: a) T. cruzi presence, and; b) their ability to control T. cruzi infection. METHODS: Multiple capture-recaptures of both species were carried out in semi-wild conditions in Villahermosa, Tabasco, Mexico, for 5 years. Two samplings per year (summer and winter) took place. Prevalence and pattern of T. cruzi infection were determined by PCR from both mammals’ blood samples. RESULTS: Raccoon samples had a higher relative infection values (26.6%) compared to those of white-nosed coati (9.05%), being this difference significant in summer 2012 (P 
ISSN:1756-3305
1756-3305
DOI:10.1186/1756-3305-7-405