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  • Title: Analysis of wall glucans from yeast, hyphal and germ-tube forming cells of Candida albicans.
    Author: Gopal PK, Shepherd MG, Sullivan PA.
    Journal: J Gen Microbiol; 1984 Dec; 130(12):3295-301. PubMed ID: 6394718.
    Abstract:
    Acid-soluble and alkali-insoluble glucan fractions were prepared from yeast, hyphal and germ-tube forming cells of Candida albicans. Alkali-insoluble glucan was also extracted from purified yeast cell walls. Paper chromatography of partial acid hydrolysates confirmed that the glucan preparations contained beta(1----3)- and beta(1----6)-chains but no mixed intra-chain beta(1----3)/(1----6) linkages. Methylation and 13C-NMR analyses showed that the acid-soluble glucan consisted of a highly branched polymer composed mainly (67.0% to 76.6%) of beta(1----6)-linked glucose residues. The alkali-insoluble glucan from yeast and hyphal cells contained from 29.6% to 38.9% beta(1----3) and 43.3% to 53.2% beta(1----6) linkages. Alkali-insoluble glucan from germ-tube forming cells consisted of 67.0% beta(1----3) and 14% beta(1----6) linkages. Branch points accounted for 6.7%, 12.3% and 17.4% of the residues in the alkali-insoluble glucan of yeast, germ-tube forming and hyphal cells, respectively.
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