Environmental strains of Cryptococcus neoformans variety grubii in the city of Santos, SP, Brazil

This study involved a total of 116 samples, 79 taken from pigeon droppings and 37 of atmospheric air taken close to accumulations of excrement. Cryptococcus neoformans var. grubii was isolated from 11 (13.9%) of these samples. Other species of Cryptococcus were also isolated from these samples, such...

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Bibliographic Details
Published in:Revista do Instituto de Medicina Tropical de São Paulo 2005-01, Vol.47 (1), p.31-36
Main Authors: Soares, Maria Cecília Bianchi, Paula, Claudete Rodrigues, Dias, Amanda L T, Caseiro, Marcos Montani, Costa, Sérgio Olavo Pinto da
Format: Article
Language:English
Subjects:
Air Microbiology
Animals
Antifungal Agents - pharmacology
Brazil
Columbidae
Cryptococcus neoformans - drug effects
Cryptococcus neoformans - isolation & purification
Feces - microbiology
Microbial Sensitivity Tests
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Summary:This study involved a total of 116 samples, 79 taken from pigeon droppings and 37 of atmospheric air taken close to accumulations of excrement. Cryptococcus neoformans var. grubii was isolated from 11 (13.9%) of these samples. Other species of Cryptococcus were also isolated from these samples, such as C. albidus (12.6%) and C. laurentii (8.9%). C. neoformans was not isolated from the air samples, though C. albidus (5.4%) was. All the strains of C. neoformans were found to belong to the A serotype (C. neoformans var. grubii). In regard to the studies with the antifungal agents 5-fluorocytosine, fluconazole, itraconazole, amphotericin B and voriconazole, by means of the microdilution method (EUCAST), we point out that one sample demonstrated resistance to fluconazole, this being especially significant because this is an environmental strain.
ISSN:0036-4665
1678-9946
DOI:10.1590/S0036-46652005000100006