Test | PR1 | PR2 | PR3 |
---|---|---|---|
Gram Stain | + | + | + |
Motility | + | + | − |
Colony color | Opaque and off-white | Cream | Yellow pigmented colonies |
Cell shape | Rod-shaped | Rod-shaped | Cocci |
Spore forming | + | − | − |
Oxidase | + | − | − |
Catalase | + | + | + |
Amylase | + | − | − |
Gelatinase | − |  | − |
Phosphatase | − | + | + |
Tryptophane deaminase | − | − | − |
Arginine dihydrolase | − | − | − |
Lysine decarboxylase | − | − | − |
Ornithine decarboxylase | − | − | − |
Glutamate decarboxylase | − | − | − |
Voges-Proskauer | + | − | − |
Nitrate reduction | − | − | + |
Hydrolysis of Casein | + | − | + |
Hydrolysis of starch | − | − | − |
Hydrolysis of urea | − | − | + |
Indole Production | − | − | − |