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Genetic diversity in the red yeast Cryptococcus hungaricus and its phylogenetic relationship to some related basidiomycetous yeasts.

Authors
  • Gácser, A
  • Hamari, Z
  • Pfeiffer, I
  • Varga, J
  • Kevei, F
  • Kucsera, J
Type
Published Article
Journal
FEMS yeast research
Publication Date
Dec 01, 2001
Volume
1
Issue
3
Pages
213–220
Identifiers
PMID: 12702346
Source
Medline
License
Unknown

Abstract

Cryptococcus hungaricus is a basidiomycetous yeast with the abilities to synthesize carotenoid pigments and to grow under psychrophile conditions. Six C. hungaricus strains have been isolated so far from different habitats. In this study we wished to clarify the relationships amongst them. Morphological and physiological characters, mitochondrial DNA restriction profiles, and the presence of mycoviruses were examined. Internal transcribed spacers together with the 5.8S rDNA, the D1/D2 region of 26S rDNA, and partial sequences of the 18S rRNA gene were also analysed. On the basis of the phylogenetic analyses the type strain CBS 4214(T) together with four other C. hungaricus isolates were closely related to Bullera armeniaca and Bullera crocea, while strain CBS 6569 was much more similar to Cystofilobasidium than to the other C. hungaricus isolates.

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