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. 1984 Feb 15;84(2-3):81-5.
doi: 10.1007/BF00436517.

Strain differentiation of pathogenic yeasts by the killer system

G Morace, C Archibusacci, M Sestito, L Polonelli

Strain differentiation of pathogenic yeasts by the killer system

G Morace et al. Mycopathologia. .

Abstract

High sensitivity rates to the activity of killer toxins produced by 25 species of yeasts belonging to the genera Candida, Hansenula, Pichia, Rhodotorula, Saccharomyces and Trichosporon have been observed among 112 yeast isolates (25 Cryptococcus neoformans, 29 C. glabrata 16 C. parapsilosis, 20 C. pseudotropicalis and 22 C. tropicalis). The highest sensitivity has been observed among the C. parapsilosis isolates, the lowest in C. glabrata strains. Genera Pichia and Hansenula proved to have the greatest killer activity. A killer system, formerly used for differentiating C. albicans isolates within the species, proved to be valid as epidemiological marker when applied to 112 strains of pathogenic yeasts.

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