Open AccessGenetic diversity in the red yeast Cryptococcus hungaricus and its phylogenetic relationship to some related basidiomycetous yeasts
Author(s) -
Gácser Attila,
Hamari Zsuzsanna,
Pfeiffer Ilona,
Varga János,
Kevei Ferenc,
Kucsera Judit
Publication year - 2001
Publication title -
fems yeast research
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.991
H-Index - 92
eISSN - 1567-1364
pISSN - 1567-1356
DOI - 10.1111/j.1567-1364.2001.tb00036.x
Subject(s) - biology , phylogenetic tree , internal transcribed spacer , yeast , strain (injury) , basidiomycota , genetic diversity , cryptococcus , phylogenetics , spacer dna , ribosomal dna , mycovirus , clade , botany , ascomycota , microbiology and biotechnology , gene , genetics , population , rna , demography , sociology , rna polymerase , anatomy
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.