Mycopathologia

, Volume 166, Issue 2, pp 61–69 | Cite as

Cryptococcus neoformans Isolated from Passerine and Psittacine Bird Excreta in the State of Paraná, Brazil

  • Camile Lugarini
  • Cristine Souza Goebel
  • Larissa Anuska Zeni Condas
  • Marisol Dominguez Muro
  • Marconi Rodrigues de Farias
  • Fabiano Montiani Ferreira
  • Marilene H. Vainstein
Article

Abstract

Cryptococcus neoformans is an opportunistic basidiomycete yeast that causes life-threatening infections as meningoencephalitis primarily in immunocompromised hosts, generally associated with AIDS. The source of this organism is mainly pigeon excreta; however, other avian species’ excreta are implicated as a source of this yeast. The occurrence of C. neoformans and Cryptococcus gattii in bird excreta in the state of Paraná in Brazil was determined in this study. A total of 141 samples of Passerine and Psittacine excreta from captive birds were collected. Additionally, 25 clinical samples from Hospital de Clínicas, in the state of Paraná were also analyzed. The determination of molecular and mating type of the isolates was performed by PCR fingerprinting, multiplex PCR, and mating type PCR. Cryptococcus neoformans var. grubii (VNI) was isolated from 36 (25.53%) of Passerine and Psittacine excreta samples. Almost all clinical samples, except one (C. gattii VGI), were classified as C. neoformans var. grubii (VNI). All environmental and clinical isolates were mating type α. These findings reinforce that, besides pigeon excreta, the excreta of these birds can also be a reservoir of C. neoformans in domestic and public environments and is of zoonotic importance to immunocompromised patients.

Keywords

Avian excreta Cryptococcus neoformans Cryptococcus gattii Passerines Psittacines 

Notes

Acknowledgments

This work was approved by “Instituto Brasileiro de Meio Ambiente e Recursos Renováveis” (IBAMA) and supported in part by grants from “Fundação Araucária” and “Coordenação de Aperfeiçoamento de Nível Superior” (CAPES). The authors wish to thank Dr. Gillian Shaw for the revision of this manuscript as well as the trainees and technicians of CETAS PUCPR/IBAMA and Mycology and Serology Laboratories of Hospital de Clínicas and, lastly, Dr. Márcia dos Santos Lazéra (Fundação Oswaldo Cruz, Rio de Janeiro, Brazil).

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Copyright information

© Springer Science+Business Media B.V. 2008

Authors and Affiliations

  • Camile Lugarini
    • 1
  • Cristine Souza Goebel
    • 2
  • Larissa Anuska Zeni Condas
    • 1
  • Marisol Dominguez Muro
    • 1
  • Marconi Rodrigues de Farias
    • 1
    • 3
  • Fabiano Montiani Ferreira
    • 1
  • Marilene H. Vainstein
    • 2
  1. 1.Universidade Federal do Paraná, CuritibaCampo MagroBrazil
  2. 2.Centro de BiotecnologiaUniversidade Federal do Rio Grande do Sul, UFRGSPorto AlegreBrazil
  3. 3.Pontifícia Universidade Católica do ParanáSão José dos PinhaisBrazil

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