Composition of the alkali resistant cell wall material of dimorphicBlastomyces dermatitidis

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Abstract
The alkali resistant fractions of the cell walls of the yeast and mycelial forms of Blastomyces dermatitidis were analyzed for amino acids, amino sugars, and neutral sugars. B. dermatitidis is a thermally induced dimorphic fungus. Substantial quantitative differences were found in most amino acid levels in the mycelial and yeast forms. With the exception of histidine, all the amino acids were found in higher amounts in the alkali resistant fraction of the mycelial form. Hexosamines were present in much higher amounts in the yeast form.