Prototheca spec. differentiation
Feature | P. wickerhamii | P. zopfii | P. blaschkeae | P. stagnora | P. ulmea |
Shape of colony | hemispheric, smoothly with smooth margin | flat, roughly, with central button and corrugated margin | flat, smoothly, with central button and corrugated margin | flat, smoothly with smooth margin | |
Diameter of cells | 4 - 10 | 7 - 30 | 7 –14 | ||
Assimilation of Glycerol | + | + | - | + | |
Succrose | - | - | + | ||
Trehalose | + | - | - | - | |
n-Propanole | - | + | - | ||
Arginine | + | + | - | + | |
Growth at 37°C | + | + | + | - | |
forming of mucous capsule | - | - | - | + |
Differentiation of genotypes (biotypes) within Prototheca zopfii