Borrelia sensu check for this species in other resources lato vectors - Borrelia sp. reservoirs - borreliosis-like illness - Mato Grosso do Sul - Brazil"/>
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Memórias do Instituto Oswaldo Cruz
Fundação Oswaldo Cruz, Fiocruz
ISSN: 1678-8060
EISSN: 1678-8060
Vol. 97, No. 5, 2002, pp. 631-635
Bioline Code: oc02120
Full paper language: English
Document type: Research Article
Document available free of charge

Memórias do Instituto Oswaldo Cruz, Vol. 97, No. 5, 2002, pp. 631-635

 en Search for Borrelia check for this species in other resources sp. in Ticks Collected from Potential Reservoirs in an Urban Forest Reserve in the State of Mato Grosso do Sul, Brazil: a Short Report
IP da Costa; VLN Bonoldi & NH Yoshinari

Abstract

A total of 128 ticks of the genus Amblyomma check for this species in other resources were recovered from 5 marsupials ( Didelphis albiventris check for this species in other resources ) - with 4 recaptures - and 17 rodents (16 Bolomys lasiurus check for this species in other resources and 1 Rattus norvegicus check for this species in other resources ) captured in an urban forest reserve in Campo Grande, State of Mato Grosso do Sul, Brazil. Of the ticks collected, 95 (78.9%) were in larval form and 22 (21.1%) were nymphs; the only adult (0.8%) was identified as A. cajennense . Viewed under dark-field microscopy in the fourth month after seeding, 9 cultures prepared from spleens and livers of the rodents, blood of the marsupials, and macerates of Amblyomma sp. nymphs revealed spiral-shaped, spirochete-like structures resembling those of Borrelia check for this species in other resources sp. Some of them showed little motility, while others were non-motile. No such structures could be found either in positive Giemsa-stained culture smears or under electron microscopy. No PCR amplification of DNA from those cultures could be obtained by employing Leptospira check for this species in other resources sp., B. burgdorferi , and Borrelia sp. primers. These aspects suggest that the spirochete-like structures found in this study do not fit into the genera Borrelia or Leptospira, requiring instead to be isolated for proper identification.

Keywords
Borrelia sensu check for this species in other resources lato vectors - Borrelia sp. reservoirs - borreliosis-like illness - Mato Grosso do Sul - Brazil

 
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