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Isolation of cryptococcus spp. in excrements of pigeons (columba sp.) in the Maringá city, Pr, Brazil / Isolamento de cryptococcus spp. em excretas de pombos (columba sp.) na cidade de Maringá, Pr, Brasil
Ribas, Rejane Cristina; Baeza, Lílian Cristiane; Ribeiro, Fernando Henrique das Mercês.
  • Ribas, Rejane Cristina; s.af
  • Baeza, Lílian Cristiane; State University of Maringá. Department of clinical testing (laboratory mycology). BR
  • Ribeiro, Fernando Henrique das Mercês; University Center of Maringá. BR
Arq. ciências saúde UNIPAR ; 15(1)jan.-abr. 2011. ilus, tab
Article in Portuguese | LILACS | ID: lil-621339
ABSTRACT
The Cryptococcus genus is composed by 37 different species, however, the C. gattii and C. neoformans are the two most concerning species once they cause deep mycosis in humans. In this way, the present study had as aim to perform an analysis in droppings of pigeon (Columba sp.) from the city of Maringá, PR, in order to verify the presence of suggestive yeast forms of Cryptococcus spp. For this study 70 samples of pigeon excrements were evaluated which were collected in 7 different sites. These samples were submitted to the tests of thermotolerance at 37°C, urease, phenoloxidase activity and direct exam with China ink preparation. The results show that the pigeon droppings of 5,7% of the studied samples presented suggestive yeast forms of Cryptococcus spp. These results are relevant due to the positive samples are from the sites with a higher possibility of immunocompromised individuals flow, who are more up to have the most severe kinds of the disease caused by this fungi.
RESUMO
O gênero Cryptococcus é composto de 37 espécies diferentes, contudo o C. gattii e C. neoformans são as mais preocupantes por causarem micose profunda em humanos. Desta forma, o presente trabalho teve como objetivo realizar uma análise em excretas de pombos (Columba sp.) procedentes da cidade de Maringá, PR, para verificar a presença de leveduras sugestivas de Cryptococcus spp. Para este estudo foram analisadas 70 amostras de excretas de pombos, coletadas em sete localidades diferentes. Essas amostras foram submetidas ao teste de termotolerância à 37°C, urease, atividade fenoloxidase e exame direto com tinta da china. Os resultados demonstraram que nos excrementos de pombos de 5,7% das localidades estudadas apresentaram leveduras sugestivas de Cryptococcus spp. Estes resultados mostraram-se relevantes, devido ao fato de as amostras positivas pertencerem aos locais de maior possibilidade de circulação de indivíduos imunocomprometidos, os quais estão mais propícios a contrair as formas mais graves da doença causada por este fungo.
Subject(s)

Full text: Available Index: LILACS (Americas) Main subject: Columbidae / Cryptococcosis / Cryptococcus Limits: Animals Country/Region as subject: South America / Brazil Language: Portuguese Journal: Arq. ciências saúde UNIPAR Journal subject: Ciˆncias da Sa£de / Medicine / Pesquisa Biom‚dica Year: 2011 Type: Article Affiliation country: Brazil Institution/Affiliation country: State University of Maringá/BR / University Center of Maringá/BR

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Full text: Available Index: LILACS (Americas) Main subject: Columbidae / Cryptococcosis / Cryptococcus Limits: Animals Country/Region as subject: South America / Brazil Language: Portuguese Journal: Arq. ciências saúde UNIPAR Journal subject: Ciˆncias da Sa£de / Medicine / Pesquisa Biom‚dica Year: 2011 Type: Article Affiliation country: Brazil Institution/Affiliation country: State University of Maringá/BR / University Center of Maringá/BR