1887

Abstract

Yeast strains were isolated from Vin Santo of Gambellara, a sweet white wine with the specificity of Controlled Designation of Origin produced from off-vine overripened grapes in the Veneto region (Italy). Comparative sequence analysis of the 26S rRNA gene revealed that three representative strains (ZO03-5, CA06-8 and ME06-9) constitute a taxon related to, but distinct from, . Similarity between the 26S rRNA gene domain D1/D2 sequence of the three isolates and was 97.9 %; moreover, the morphological characteristics and the physiological behaviour also supported recognition of a novel taxon of osmophilic non-psychrophilic yeast showing a flower-like arrangement of budding cells that remain attached to each other. The name is proposed for the novel species, with ZO03-5 ( = CBS 12191 = MUCL 53393) as the type strain.

Funding
This study was supported by the:
  • , Consorzio per la Tutela dei Vini D.O.C. di Gambellara
  • , Camera di Commercio di Vicenza
  • , Provincia di Vicenza
  • , Banca Popolare di Vicenza
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2011-12-01
2020-07-13
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