TABLE 1.
Biochemical profile of the pleural fluid isolate by conventional biochemical tests and Vitek GPI, API 20 STREP, and ATB ID32 STREP systems
| Biochemical reaction or enzyme or test | Results by indicated testa
|
|||
|---|---|---|---|---|
| Conventional | Vitek GPI | API 20 STREP | ATB ID32 STREP | |
| Catalase | − | − | ||
| Resistance to: | ||||
| Bacitracin | + | + | ||
| Optochin | + | + | ||
| Growth in: | ||||
| 6% NaCl | + | + | ||
| 10% bile | + | + | ||
| 40% bile | + | + | ||
| Esculin hydrolysis | + | + | + | |
| Hippurate hydrolysis | − | − | ||
| Arginine hydrolysis | − | − | − | − |
| Lysine decarboxylase | − | |||
| Omithine decarboxylase | − | |||
| Urease | − | − | − | |
| Voges-Proskauer test | + | + | + | |
| Tetrazolium reduction | − | |||
| Novobiocin | − | − | ||
| Polymyxin B | + | + | ||
| Utilization of: | ||||
| Hemicellulase | + | |||
| Dextrose | + | |||
| Lactose | + | + | + | + |
| Mannitol | − | − | − | − |
| Raffinose | + | + | + | + |
| Salicin | + | + | ||
| Sorbitol | − | − | − | − |
| Sucrose | + | + | + | |
| Trehalose | + | + | + | + |
| Arabinose | − | − | − | − |
| Pyruvate | − | − | ||
| Pullulan | − | − | ||
| Inulin | + | + | + | |
| Melibiose | + | + | + | |
| Melezitose | + | + | ||
| Cellobiose | + | + | ||
| Ribose | + | + | + | + |
| Xylose | − | − | ||
| d-glucose | − | |||
| d-mannose | + | |||
| Maltose | + | |||
| Starch | + | |||
| Glycogen | − | − | ||
| Arabitol | − | |||
| Methyl-β-d-glucopyranoside | + | |||
| Tagatose | + | |||
| Cyclodextrin | + | |||
| Pyrrolidonylarylamidase | − | − | − | |
| α-Galactosidase | + | + | ||
| β-Glucuronidase | + | + | ||
| β-Galactosidase | + | + | ||
| Leucine arylamidase | + | |||
| β-Glucosidase | + | |||
| Alanine-phenylatanine-proline arylamidase | − | |||
| Acetyl-β-glucosaminidase | + | |||
| Glycyl-tryptophane arylamidase | + | |||
| β-Mannosidase | + | |||
| Alkaline phosphatase | + | + | ||
a
+, positive; −, negative.