TABLE 3.
Morphological and biochemical properties of the screened PCB degrader’s.
| Screened bacterial isolates | MAPB-2 | MAPB-6 | MAPB-9 | MAPB-27 |
| Morphological properties | ||||
| Shape | Rods | Rods | Short rods | Long rods |
| Gram strain | − | − | − | + |
| Color | Bluish green | Green | Pale white | White |
| Biochemical test | ||||
| ONPG | − | − | − | + |
| Lysine | − | − | + | − |
| Ornithine | − | + | + | − |
| Urease | − | − | + | − |
| Phenylalanine Deamination | + | − | − | − |
| Nitrate reduction | − | − | + | − |
| H2S production | − | − | − | + |
| Citrate | + | − | + | + |
| Voges Proskauer | − | − | − | − |
| Methyl red | − | − | − | − |
| Indole | − | − | − | − |
| Carbohydrate utilization test | ||||
| Malonate utilization | + | + | + | − |
| Esculin hydrolysis | − | − | + | + |
| Arabinose | + | − | − | − |
| Xylose | + | − | − | − |
| Adonitol | − | − | − | − |
| Rhamnose | − | − | − | − |
| Cellobiose | − | − | − | − |
| Melibiose | − | − | − | − |
| Saccharose | − | − | − | − |
| Raffinose | − | − | − | + |
| Trehalose | − | − | − | + |
| Glucose | + | − | − | + |
| Lactose | − | − | − | + |
| Oxidase | + | − | + | − |
| Catalase | + | + | + | + |
‘+/−’ indicates positive/negative response.