TABLE 1.
Biochemical profile of S. oriscaviae HKU75T and S. suis S735T by Vitek 2 and API 20 STREPa
| Biochemical reaction or enzyme | Result by testing method |
|||
|---|---|---|---|---|
| Vitek 2 | API 20 STREP | |||
| S. suis | S. oriscaviae | S. suis | S. oriscaviae | |
| Resistance to bacitracin | − | − | ||
| Resistance to optochin | + | + | ||
| Growth in 6.5% NaCl | − | − | ||
| Esculin hydrolysis | + | + | ||
| Hippurate hydrolysis | − | − | ||
| Arginine hydrolysis | + | + | + | + |
| Urease | − | − | ||
| Voges-Proskauer test | − | − | ||
| Resistance to novobiocin | − | − | ||
| Resistance to polymyxin B | + | + | ||
| Utilization of: | ||||
| Lactose | + | + | + | + |
| Mannitol | − | + | − | + |
| Raffinose | + | − | + | − |
| Salicin | + | + | ||
| Sorbitol | + (v) | − | − | − |
| Sucrose | + | + | ||
| Trehalose | + | + | + | + |
| Arabinose | − | − | ||
| Pullulan | − | − | ||
| Inulin | + | + | ||
| Ribose | − | − | − | − |
| Xylose | − | − | ||
| D-mannose | + | + | ||
| Maltose | + | + | ||
| Starch | + | + | ||
| Glycogen | + | + | ||
| Methyl-β-D-glucopyranoside | + | − | ||
| Cyclodextrin | − | − | ||
| D-amygdalin | − | + | ||
| D-galactose | + | + | ||
| N-acetyl-D-glucosamine | + | − | ||
| Pyrrolidonylarylamidase | − | − | − | − |
| α-galactosidase | + | − | + | − |
| β-glucuronidase | − (v) | − | + | − |
| β-galactosidase | − | − | − | − |
| Leucine arylamidase | + | + | ||
| Leucine aminopeptidase | + | + | ||
| Alkaline phosphatase | − | − | ||
| Alanine-phenylalanine-proline arylamidase | + | − | ||
| Phosphatidylinositol phospholipase C | − | − | ||
| α-glucosidase | + | − | ||
| L-aspartate arylamidase | − | − | ||
| β-galactopyranosidase | − | − | ||
| α-mannosidase | − | − | ||
| Phosphatase | − | − | ||
| L-proline arylamidase | − | − | ||
| β-glucuronidase | + | − | ||
| Alanine arylamidase | + | + | ||
| Tyrosine arylamidase | + | + | ||
| L-lactate alkalinization | − | − | ||
| O/129 resistance (comp. vibrio) | − | − | ||
| Arginine dihydrolase 2 | + | − | ||
a
−, negative; +, positive; (v), variable from previously reported strains (51). All data were obtained by the same methodology using the same culture conditions.