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Memórias do Instituto Oswaldo Cruz
Fundação Oswaldo Cruz, Fiocruz
ISSN: 1678-8060
EISSN: 1678-8060
Vol. 101, No. 1, 2006, pp. 107-109
Bioline Code: oc06021
Full paper language: English
Document type: Research Article
Document available free of charge

Memórias do Instituto Oswaldo Cruz, Vol. 101, No. 1, 2006, pp. 107-109

 en Superoxide dismutase in Cryptococcus neoformans check for this species in other resources varieties gattii, grubii, and neoformans
ALT Dias; MRPL Brigagão; P Colepicolo; AM Siqueira; EG da Silva & CR Paula

Abstract

Some clear dissimilarities occur among the varieties of Cryptococcus neoformans check for this species in other resources but there are few studies about the differences among individual yeast antioxidant enzymes. The total superoxide dismutase (SOD) activities and the copper, zinc-depend SOD (Cu,ZnSOD) and manganese-dependent SOD (MnSOD) isoenzymes of five reference C. neoformans strains belonged to A, B, C, AD and D serotypes (Table I) and other nine C. neoformans isolates (Table II) were determined. There were significant differences (p < 0.01 and p < 0.05) in total SOD activity among the varietie gattii (serotype C) and the other varieties. Cu,ZnSOD showed difference (p < 0.05) between A and D serotypes. These results point out a variety and serotype-independent SOD activity in C. neoformans reference strains and the other isolates that were evaluated.

Keywords
Cryptococcus neoformans - superoxide dismutase - antioxidant

 
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