Urease, indole production and
hydrolysis of casein, gelatin, starch, DNA and tyrosine are
negative. Aesculin hydrolysis and arginine dihydrolase are
positive, but H2S production and lysine decarboxylase,
ornithine decarboxylase and b-galactosidase (ONPG) are
negative. Only a few compounds are utilized, among them
N-acetyl-D-glucosamine, D-glucose, maltose, pyruvate and
DL-lactate