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Updated: Jul 11, 2026

Dissection of Saccharomyces Cerevisiae Asci
Published on: May 19, 2009
[The molecular genetic differentiation of cultured Saccharomyces strains]
Abstract:
A comparative molecular genetic study of cultured Saccharomyces strains isolated from the surface of berries and various fermentation processes showed that baker's yeast and black-currant isolates contain not only Saccharomyces cerevisiae but also S. cerevisiae and S. bayanus var. uvarum hybrids. The molecular karyotyping of baker's, brewer's, and wine yeasts showed their polyploidy. The restriction enzyme analysis of noncoding rDNA regions (5.8S-ITS and IGS2) makes it possible to differentiate species of the genus Saccharomyces and to identify interspecies hybrids. The microsatellite primer (GTG)5 can be used to study the populations of cultured S. cerevisiae strains.
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