Evaluation of industrial yeasts for pathogenicity

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Abstract
Eleven yeasts representative of species of industrial interest were compared with Candida albicans for their potential pathogenicity for untreated and cortisone-treated mice. Only C. tropicalis produced a progressive infection similar to that produced by C. albicans. C. lipolytica, Torulopsis spp. and Hansenula polymorpha were not recovered from mice 6 days after inoculation. Kluyveromyces fragilis, C. pseudotropicalis, C. utilis, C. guilliermondii and C. maltosa were recovered from mice but did not produce evidence of infection.