Abstract
A survey was made to detect the sensitivity of 12 yeast genera to T-2 toxin. Seventy-five yeasts isolated from various sources were tested for their susceptibility to T-2 toxin. The MIC of T-2 for these yeasts varied from 1.0 to greater than 8.0 micrograms/ml. Of the yeasts studied, Kluyveromyces fragilis showed the greatest sensitivity, which ranged between 0.5 and 2.5 micrograms of T-2 toxin per ml of culture medium. The roles of incubation temperature, size of the inoculum, and incubation time on the MICs were determined. The results suggest that in comparison with other yeasts, K. fragilis is very sensitive to T-2 toxin.
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