Table 2.
Phenotypic and biochemical characteristics of Staphylococcus epidermidis isolated from tilapia spp
| Characteristics | Result | Characteristics | Result |
|---|---|---|---|
| Growth on: | Growth at: | ||
| BHIA | + | 28 °C | + |
| BP | + | 37 °C | + |
| MSA | + | Grain stain | + |
| TCBS | - | Morphology | Spherical cocci |
| SS agar | - | Motility | - |
| MacConkey agar | - | Glucose | + |
| Blood agar | Non-hemolytic | Mannose | + |
| NA + 0% NaCl | + | Inositol | - |
| NA + 2% NaCl | + | Sorbitol | - |
| NA + 4% NaCl | + | Rhamnose | - |
| NA + 6% NaCl | + | Sucrose | + |
| NA + 8% NaCl | + | Melibiose | - |
| NA + 10% NaCl | + | Amygdalin | - |
| NA + 12% NaCl | + | Arabinose | - |
| Production of: | Mannitol | - | |
| Oxidase | - | Maltose | + |
| Catalase | + | Lactose | - |
| Slide coagulase | - | Esculin | - |
| Tube coagulase | - | Lysine decarboxylase | - |
| Urease | + | ß-galactosidase | - |
| H2S | - | Arginine DiHydrolase | - |
| Indole | - | Ornithine DeCarboxylase | - |
| Voges Proskauer | + | Citrate utilization | - |
| Methyl red | + | Tryptophane DeAminase | - |
| Nitrate reduction | + | Gelatinase | - |
+Positive reaction
-Negative reaction