| Discrete typing units of Trypanosoma cruzi identified in rural dogs and cats in the humid Argentinean Chaco. | |
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MedLine Citation:
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PMID: 23058180 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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SUMMARY The discrete typing units (DTUs) of Trypanosoma cruzi that infect domestic dogs and cats have rarely been studied. With this purpose we conducted a cross-sectional xenodiagnostic survey of dog and cat populations residing in 2 infested rural villages in Pampa del Indio, in the humid Argentine Chaco. Parasites were isolated by culture from 44 dogs and 12 cats with a positive xenodiagnosis. DTUs were identified from parasite culture samples using a strategy based on multiple polymerase-chain reactions. TcVI was identified in 37 of 44 dogs and in 10 of 12 cats, whereas TcV was identified in 5 dogs and in 2 cats -a new finding for cats. No mixed infections were detected. The occurrence of 2 dogs infected with TcIII -classically found in armadillos- suggests a probable link with the local sylvatic transmission cycle involving Dasypus novemcinctus armadillos and a potential risk of human infection with TcIII. Our study reinforces the importance of dogs and cats as domestic reservoir hosts and sources of various DTUs infecting humans, and suggests a link between dogs and the sylvatic transmission cycle of TcIII. |
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Authors:
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G F Enriquez; M V Cardinal; M M Orozco; L Lanati; A G Schijman; R E Gürtler |
Publication Detail:
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Type: JOURNAL ARTICLE Date: 2012-10-12 |
Journal Detail:
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Title: Parasitology Volume: - ISSN: 1469-8161 ISO Abbreviation: Parasitology Publication Date: 2012 Oct |
Date Detail:
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Created Date: 2012-10-12 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0401121 Medline TA: Parasitology Country: - |
Other Details:
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Languages: ENG Pagination: 1-6 Citation Subset: - |
Affiliation:
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Laboratorio de Eco-Epidemiología, Departamento de Ecología, Genética y Evolución, Universidad de Buenos Aires, Buenos Aires, Argentina. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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