Using genetic hybridization analysis, electrophoretic karyotyping, and Southern hybridization with the ADC1 promoter probe, three biological sibling species, Saccharomyces cerevisiae, Saccharomyces paradoxus, and Saccharomyces bayanus, have been identified in Ontario and California. Saccharomyces kluyveri strains were revealed by karyotyping.
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Наумов et al. (1996) studied this question.
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