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Histoplasmosis is a systemic mycosis endemic in extensive areas of the Americas. The authors report on an urban adult male patient with uncommon oral-cutaneous lesions proven to be histoplasmosis. Additional investigation revealed unnoticed HIV infection with CD4+ cell count of 7/mm3. The treatment was performed with amphotericin B, a 2065 mg total dose followed by itraconazole 200mg/daily plus antiretroviral therapy with apparent cure. Histoplasmosis is an AIDS-defining opportunistic disease process; therefore, its clinical diagnosis must drive full laboratory investigation looking for unnoted HIV-infection. © 2013 by Anais Brasileiros de Dermatologia.

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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)

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Bacillus cereus is a bacterium with deteriorating potential for dairy products, by being a psychrotrophic organism producer of lipases and proteases. This study evaluated the psychrotrophic behavior, lipolytic and proteolytic activity at 30°C, 10°C and 7°C of 86 strains of B. cereus lato sensu isolated from dairy products, marketed in Southern Brazil. It was also evaluated the optimal temperature for protease production. No strain grew at 7°C; but at 10°C, 84.9% of strains have grown. Only one strain had lipolytic activity at 30°C, and none at 7°C. At 10°C, 16.3% of strains produced lipases. All the strains presented proteolytic activity at 30°C; and at 10°C, 72.1% had this activity, and at 7°C, only 4.6%, an amount significantly lower (p < 0.05). The temperature of 20°C promoted the highest proteolytic activity, and at 10°C, the lowest activity. B. cereus can produce lipases and proteases at room and marginal chilling temperatures, causing technological defects in dairy products stored under these conditions. © 2008 IFRJ.

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)