Abstract
The authors submit a taxonomic evaluation of an intermediate group of strains between the speciesSaccharomyces carlsbergensis Hansen andSaccharomyces cerevisiae Hansen. The material consisted of atypical strains of “bottom” brewer’s yeasts and the synonymous strainsSaccharomyces monacensis Hansen andSaccharomyces mandshuricus Saito. It was found that there were two different serological types in the speciesSaccharomyces carlsbergensis, one of which was characterized by the presence of antigen “C” and was typical for this species, while the other possessed antigen “M” and was grouped roundSaccharomyces monacensis. This second serological type merges with a group of strains which gives only one third fermentation of raffinose, so that it is actually an intermediate betweenSaccharomyces cerevisiae Hansen andSaccharomyces carlsbergensis Hansen and indicates the course of progressive development from the former species to the latter. No close similarity was found betweenSaccharomyces mandshuricus Saito and some of the strains of the transitional group or typical representatives of the two main species, and the authors therefore consider that there is some obscurity as to its synonymity withSaccharomyces carlsbergensis.
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Kocková-Kratochvílová, A., Vojtková-Lepšíková, A., šandula, J. et al. The genusSaccharomyces (Meyen) Reess. Folia Microbiol 11, 200–209 (1966). https://doi.org/10.1007/BF02901433
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DOI: https://doi.org/10.1007/BF02901433