Carbon assimilation and extracellular antigens of some yeast-like fungi |
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| Authors: | W. J. Middelhoven G. S. De Hoog S. Notermans |
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| Affiliation: | (1) Laboratory of Microbiology, Wageningen Agricultural University, Wageningen, The Netherlands;(2) Centraalbureau voor Schimmelcultures, Baarn, The Netherlands;(3) Laboratory of Water and Food Microbiology, National Institute of Public Health and Environmental Hygiene, Bilthoven, The Netherlands |
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| Abstract: | Many yeast-like fungi assimilated n-hexadecane, butylamine and putrescine as sole carbon sources. Methanol was not assimilated. This points to a physiological similarity to endomycetous, hydrocarbon-utilizing yeasts. Stephanoascus ciferrii assimilated uric acid, adenine and allantoin as sole source of carbon and nitrogen. All strains of Geotrichum candidum and many other yeast-like fungi assimilated acetoin and butan-2,3-diol. Assimilation tests for adenine, uric acid, allantoin, acetoin and butan-2,3-diol were found to be suitable for taxonomic purposes.Extracellular antigens immunologically related to those produced by Geotrichum candidum were detected in the cell-free culture liquids of several yeast-like fungi. The extracellular antigen excreted by Stephanoascus ciferrii was species-specific. |
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| Keywords: | acetoin adenine butan-2,3-diol butylamine n-hexadecane putrescine ELISA extracellular antigens Geotrichum candidum Stephanoascus ciferrii |
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