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A Novel Redox Mechanism for the Glutathione-dependent Reversible Uptake of a Fungal Toxin in Cells

Bernardo, Paul; Brasch, Nicola E; Chai, Christina; Waring, Paul


The fungal metabolite gliotoxin is characterized by an internal disulfide bridge and can exist in either disulfide or dithiol forms. Gliotoxin and other members of the epipolythiodioxopiperazine class of toxins have immunosuppressive properties and have been implicated in human and animal mycotoxicoses. The bridged disulfide moiety is thought to be generally essential for biological activity. Here we show that only the natural (oxidized) form of gliotoxin is actively concentrated in a cell line...[Show more]

CollectionsANU Research Publications
Date published: 2003
Type: Journal article
Source: Journal of Biological Chemistry
DOI: 10.1074/jbc.M304825200


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