Reference: Jakubowski W, et al. (1999) Sensitivity of antioxidant-deficient yeast Saccharomyces cerevisiae to peroxynitrite and nitric oxide. Biochim Biophys Acta 1472(1-2):395-8

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Abstract


Sensitivity of Saccharomyces cerevisiae strains deficient in superoxide dismutases and catalases and of decreased level of glutathione to peroxynitrite and a nitric oxide donor, S-nitrosoglutathione was compared. Moderate but significant differences observed point to increased sensitivity to both agents of yeast deficient in antioxidant defense, the superoxide dismutase-deficient strain showing the highest sensitivity, The sequence of sensitivity of various strains to peroxynitrite and nitric oxide was the same. The results are compatible with the view that cytotoxic effects of peroxynitrite involve formation of secondary reactive oxygen species.

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Journal Article | Research Support, Non-U.S. Gov't
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Jakubowski W, Biliński T, Bartosz G
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