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Home • Zygosaccharomyces rouxii CBS732
Zygosaccharomyces rouxii CBS 732
Zygosaccharomyces rouxii CBS 732, communicated by Teun Boekhout
Biology: Zygosaccharomyces rouxii CBS 732 is a haploid yeast belonging to the Saccharomycetaceae phylum. It is one of the most osmotolerant and halotolerant yeasts since it is able to grow in high concentrations of salts and/or sugar. Salt tolerance and assimilation of glycerol is strain dependent. Z. rouxii is employed in fermentation but is also one of the main spoilage microorganisms in food industry.

Genome: Z. rouxii shares a common origin with the duplicated yeasts of the Saccharomyces and Nakaseomyces clades but separated from them before the whole-genome duplication and belong to the protoploid SaccharomycetaceaeZ. rouxii is, therefore, most closely related to the putative ancestral genome of S. cerevisiae. This genome reveals common signatures (short centromeres; triplication of mating cassettes; a very limited number of spliceosomal introns; usage of the universal genetic code; a single rDNA locus containing the genes for the 5S RNA molecule) that confirm the monophyletic origin of Saccharomycetaceae.

 

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