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Memórias do Instituto Oswaldo Cruz
Fundação Oswaldo Cruz, Fiocruz
ISSN: 1678-8060
EISSN: 1678-8060
Vol. 97, No. 2, 2002, pp. 169-174
Bioline Code: oc02031
Full paper language: English
Document type: Research Article
Document available free of charge

Memórias do Instituto Oswaldo Cruz, Vol. 97, No. 2, 2002, pp. 169-174

 en Cotton Rats ( Sigmodon hispidus check for this species in other resources ) and Black Rats ( Rattus rattus check for this species in other resources ) as Possible Reservoirs of Leishmania check for this species in other resources spp. in Lara State, Venezuela
Hector De Lima; Zoraya De Guglielmo; Armando Rodríguez; Jacinto Convit & Noris Rodriguez

Abstract

A total of 519 wild animals belonging to eleven species were collected during a two year study in a cutaneous leishmaniasis endemic area in Venezuela (La Matica, Lara State). The animals were captured in home-made Tomahawk-like traps baited with maize, bananas or other available local fruits, and parasites were isolated from 27 specimens. Two different species were found naturally infected with flagellates, i.e., cotton rats ( Sigmodon hispidus check for this species in other resources ) and black rats ( Rattus rattus check for this species in other resources ).

Characterization of the parasites using PCR, kDNA restriction pattern and hybridization with species-specific probes revealed the presence of Leishmania check for this species in other resources (L.) mexicana in three of the black rats and Leishmania (V.) braziliensis check for this species in other resources in two others. The latter species was also identified in the single positive specimen of S. hispidus. The results suggested both species of animals as possible reservoirs of Leishmania sp.

Keywords
Leishmania check for this species in other resources - reservoirs - leishmaniasis - polymerase chain reaction - Venezuela

 
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