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Abstract
Summary
Mice were given, intraperitoneally, inocula of a cell-wall preparation and fractions thereof from Fonsecaea pedrosoi, F. compactum, Cladosporium carrioni and Phialophora verrucosum. Large doses of cell-wall preparation, with or without trypsin treatment, produced a pronounced loss of body weight, a granulomatous reaction and, sometimes, death. After extraction of the cell wall preparation with IN NaOH, three fractions were obtained: an alkali-insoluble fraction 1; an alkali-soluble acid-insoluble fraction 2; and an alkali- and acid-soluble fraction 3. Intravenous administration showed that only fraction 1 induced a granulomatous reaction and death in mice.
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© Society for General Microbiology, 1985