Table 2. Differential characteristics of Kallipyga massiliensis gen. nov., sp. nov., strain ph2T, Finegoldia magna strain ATCC 29328, Helcococcus kunzii strain ATCC 51366, Parvimonas micra strain ATCC 33270 and Peptoniphilus indolicus strain ATCC 29427T.
Properties | K. massiliensis | F. magna | H. kunzii | P. micra | P. indolicus |
|---|---|---|---|---|---|
Cell diameter (µm) | 0.67 | na | na | 0.3–0.7 | na |
Oxygen requirement | anaerobic | anaerobic | facultative anaerobic | anaerobic | anaerobic |
Colony color | bright gray | var | Â | na | na |
Gram stain | + | + | + | + | + |
Salt requirement | − | na | +/− | na | − |
Motility | − | − | − | na | − |
Endospore formation | − | − | na | na | − |
Production of | Â | Â | Â | Â | Â |
Alkaline Phosphatase | − | +/− | − | + | − |
Catalase | − | +/− | − | na | na |
Oxidase | − | na | na | na | na |
Nitrate reductase | − | − | − | na | na |
Urease | − | − | na | na | − |
α-galactosidase | + | − | − | na | − |
β-galactosidase | − | − | − | na | − |
Indole | − | − | na | − | + |
Arginine arylamidase | + | + | na | + | + |
Glutamyl glutamic acid arylamidase | − | na | na | + | na |
Arginine dihydrolase | + | +/- | na | na | − |
α-glucosidase | + | − | na | na | − |
β-glucosidase | + | na | na | − | − |
β-glucuronidase | − | − | − | na | na |
Phenylalanine arylamidase | − | − | na | + | + |
Esterase lipase | + | na | na | na | na |
Leucine arylamidase | + | + | − | na | + |
Cystine arylamidase | − | na | na | na | na |
Histidine arylamidase | − | −/w | na | + | + |
Fermentation of | Â | Â | Â | Â | Â |
D-mannose | − | − | na | na | − |
D-ribose | w | − | − | na | na |
D-glucose | w | −/w | − | − | − |
D-fructose | w | + | na | na | na |
Esculin | w | na | + | na | na |
Isolated from | human gut | human | human | human | mastitis of cattle |