Abstract
The relationships among 65 basidiomycetous yeast strains were determined by one-dimensional electrophoresis of SDS-solubilized whole-cell proteins. Protein profiles were compared by the Pearson product moment correlation coefficient (r). The strains investigated represented species from the generaCystofilobasidium, Filobasidium, Filobasidiella, Kondoa, Leucosporidium, Mrakia andRhodosporidium. Except for the genusMrakia, all species constituted separate protein electrophoretic clusters. The species of the genusMrakia (M. frigida, M. gelida, M. nivalis andM. stokesii) show highly similar protein patterns, suggesting that these four species may be synonymous. Strains of two varieties ofFilobasidiella neoformans, F. neoformans var.neoformans andF. neoformans var.bacillispora, could not be differentiated by protein electrophoresis.
For the delineation of the protein electrophoretic clusters of the yeasts studied, literature data relying on other criteria, such as DNA base composition, carbon source utilization patterns, enzymatic protein electrophoregrams, ubiquinone systems, DNA-DNA homology and rRNA sequence data were used. It was demonstrated that a database of SDS-protein patterns provides a valuable tool for the identification of yeasts.
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Vancanneyt, M., Van Lerberge, E., Berny, JF. et al. The application of whole-cell protein electrophoresis for the classification and identification of basidiomycetous yeast species. Antonie van Leeuwenhoek 61, 69–78 (1992). https://doi.org/10.1007/BF00572125
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DOI: https://doi.org/10.1007/BF00572125