1921
Volume 79, Issue 3
  • ISSN: 0002-9637
  • E-ISSN: 1476-1645

Abstract

, the main vector of Chagas disease, has nearly been eliminated from Brazil. Nevertheless, other triatominae species are involved in the domiciliation process, including in Rio Grande do Sul State (RS). Previous studies showed that 1.6% of the specimens collected at the rural district of Quaraí, RS, were naturally infected by In this study, five isolates obtained from infected triatomines were characterized molecularly and biologically. Genotyping of the isolates showed that they belong to lineage IIc of (TCIIc). Biological characterization showed miotropism and myositis during acute and chronic phases of infection, respectively. Virulence and mortality rates were variable among isolates. To our knowledge, this study corresponds to the first characterization of isolates from and the first description of TCIIc in the sylvatic cycle of from the southern region of Brazil.

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2008-09-01
2017-11-18
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  • Received : 12 Dec 2007
  • Accepted : 20 May 2008

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