Table 5. Taxonomic Data of Torulopsis versotilis 



Morphology: 







Gram stain 



Gram positive yeast 





Shape and size of cells 



Spherical cells, no capsule 





Vegetative reproduction 



Multiple budding; no mycel 

 or pseudomycelium 



ium 



Spore formation (shape) 



No demonstrable spores 





Cultural Characteristics: 







Pigmentation 



None 





Pellicle in broth 



Positive 





Biochemical Characteristics: 







Carbohydrate fermentation 







Glucose 



Acid 





Galactose 



Acid 





Saccharose 



Acid 





Maltose 



Acid 





Lactose 



Acid (very slight) 





Carbohydrate assimilation 







Glucose 



Positive 





Galactose 



Positive 





Saccharose 



Positive 





Maltose 



Positive 





Lactose 



Positive (very weak) 





Nitrate assimilation 



Positive 





Ethanol utilization 



Positive (slow) 





Arbutin hydrolysis 



Positive 





Litmus milk reaction 



No change 





Starch production 



Negative 





31 



