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Titolo:
Biological and biochemical characterization of isolates of Trypanosoma evansi from Pantanal of Matogrosso - Brazil
Autore:
Queiroz, AO; Cabello, PH; Jansen, AM;
Indirizzi:
FIOCRUZ, Inst Oswaldo Cruz, Dept Protozool, BR-21045900 Rio De Janeiro, Brazil FIOCRUZ Rio De Janeiro Brazil BR-21045900 BC45900 Rio De Janeiro, Brazil FIOCRUZ, Inst Oswaldo Cruz, Dept Genet, BR-21045900 Rio De Janeiro, BrazilFIOCRUZ Rio De Janeiro Brazil BR-21045900 BC45900 Rio De Janeiro, Brazil
Titolo Testata:
VETERINARY PARASITOLOGY
fascicolo: 2, volume: 92, anno: 2000,
pagine: 107 - 118
SICI:
0304-4017(20000920)92:2<107:BABCOI>2.0.ZU;2-8
Fonte:
ISI
Lingua:
ENG
Soggetto:
GENETIC-VARIABILITY; CRUZI;
Keywords:
Trypanosoma evansi; Pantanal; parasitaemia; biochemical characteristics; virulence;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Agriculture,Biology & Environmental Sciences
Citazioni:
22
Recensione:
Indirizzi per estratti:
Indirizzo: Jansen, AM FIOCRUZ, Inst Oswaldo Cruz, Dept Protozool, Av Brasil 4365, BR-21045900 Rio De Janeiro, Brazil FIOCRUZ Av Brasil 4365 Rio De Janeiro Brazil BR-21045900 BCzil
Citazione:
A.O. Queiroz et al., "Biological and biochemical characterization of isolates of Trypanosoma evansi from Pantanal of Matogrosso - Brazil", VET PARASIT, 92(2), 2000, pp. 107-118

Abstract

Ten isolates of Trypanosoma evansi from the Pantanal region of Brazil, recently derived from coati (Nasua nasua, carnivora, Procyonidae), horses and dogs, were characterized on the basis of biological (experimental infections in Wistar rats) and biochemical (multilocus enzyme eletrophoresis) data. Biological data were analyzed by Nested analysis of variance and Kruskal-Wallis. Marked heterogeneity in virulence was observed in the isolates. Some of the isolates showed an undulating parasitaemia, typical for African trypanosomes, This biological heterogeneity did not correspond with the biochemical homogeneity observed in the T. evansi isolates. T. evansi has one of the widest distributions and greatest range of mammalian hosts and is widelyrecognized to have evolved from Trypanosoma brucei. Adaptability of T. evansi was not reflected in the variability of biochemical and molecular parameters studied to date. The variability in virulence was very significant, but not correlated with the host from which it was derived. These data suggested that, in the region studied, T. evansi is transmitted among both domestic and sylvatic animals in one single transmission cycle. (C) 2000 Elsevier Science B.V. All rights reserved.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 24/11/20 alle ore 11:14:37