Cell Wall Glucans of the Yeast and Mycelial Forms of Paracoccidioides brasiliensis |
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Authors: | Fuminori Kanetsuna and Luis M. Carbonell |
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Abstract: | Glucans were isolated from the cell wall of the yeast (Y) and mycelial (M) forms of Paracoccidioides brasiliensis. The alkali-soluble glucan of the Y form had properties of alpha-1,3-glucan. The alkali-insoluble glucan of the M form was identified as a beta-glucan which contains a beta-(1 --> 3)-glycosidic linkage by infrared absorption spectrum, by effect of beta-1,3-glucanase, and by partial acid hydrolysis. The alkali-soluble glucans of the M form were a mixture of alpha- and beta-glucans and the ratio of alpha- to beta-glucan was variable, depending on the preparations. |
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