Trypanosoma rangeli (Tejera, 1920) isolated from a sylvatic rodent (Echimys dasythrix) in Santa Catarina Island, Santa Catarina State: first report of this trypanosome in southern Brazil

A trypanosome strain isolated from a sylvatic rodent (Echimys dasythrix) from Santa Catarina Island (Santa Catarina State, Brazil) was characterized by the following methods: experimental transmission and development in invertebrate and vertebrate hosts, morphometry, cross protection, complement sen...

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Bibliographic Details
Published in:Memórias do Instituto Oswaldo Cruz 1991-01, Vol.86 (1), p.73-79
Main Authors: Steindel, M, Pinto, J C, Toma, H K, Mangia, R H, Ribeiro-Rodrigues, R, Romanha, A J
Format: Article
Language:English
Subjects:
Animals
Brazil
complement lysis
Disease Vectors
Echimys dasythrix
epidemiology
experimental development
Host-Parasite Interactions
isoenzyme patterns
Isoenzymes - analysis
Mice
PARASITOLOGY
rodent
Rodentia - parasitology
TROPICAL MEDICINE
Trypanosoma - enzymology
Trypanosoma - isolation & purification
Trypanosoma - physiology
Trypanosomiasis - transmission
Trypanossoma rangeli
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Summary:A trypanosome strain isolated from a sylvatic rodent (Echimys dasythrix) from Santa Catarina Island (Santa Catarina State, Brazil) was characterized by the following methods: experimental transmission and development in invertebrate and vertebrate hosts, morphometry, cross protection, complement sensitivity, lectin agglutination and isoenzyme profiles. Comparisons were made with standard Trypanosoma cruzi and T. rangeli strains. All methods except isoenzyme analysis led to the identification of the isolate as T. rangeli. The isoenzyme differences found could be explained on the basis of polymorphism. Therefore this is the first report of T. rangeli in southern Brazil, increasing the geographical distribution of this parasite.
ISSN:0074-0276
1678-8060
0074-0276
1678-8060
DOI:10.1590/S0074-02761991000100012