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Department of Genetics, University of Debrecen, Debrecen and Research Group of Microbial Developmental Genetics, Hungarian Academy of Sciences, Debrecen, Hungary
Correspondence
Matthias Sipiczki
lipovy{at}tigris.klte.hu
Four yeast strains isolated from fermenting botrytized grape musts in the Tokaj wine region of Hungary are shown to represent a new osmotolerant and psychrotolerant species. The new species, Candida zemplinina (type strain 10-372T=CBS 9494T=NCAIM Y016667T), is closely related to Candida stellata, a yeast common on overripe grapes and in sweet fermenting wines. The sequence of the D1/D2 domain of the C. zemplinina 10-372T 26S rDNA shows 8·1 % sequence difference when compared to its counterpart in C. stellata CBS 157T. In the conserved 5·8S gene of the ITS15·8SITS2 region the difference is 8 %. The D1/D2 domain differs only at two nucleotides from the homologous sequence of a yeast strain isolated from botrytized grapes in California, suggesting that C. zemplinina is a wine yeast that occurs in geographically distant localities.
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