Table 2.
Biochemical identification of Comamonas kerstersii isolates
| Test | Resulta for: |
|||||
|---|---|---|---|---|---|---|
| Our isolates | Comamonas kerstersii | Comamonas terrigena | Comamonas testosteroni | Comamonas aquatica | Pseudomonas alcaligenes | |
| Oxidase activity | + | + | + | + | + | + |
| Motility | + | + | + | + | + | + |
| Nitrate reduction | + | + | + | + | + | + |
| Trypsin | − | − | − | − | − | + |
| Susceptibility to desferrioxamine | S | S | S | R | S | R |
| Susceptibility to colistin | S | S | S | S | S | S |
| Pyrrolidonyl aminopeptidase | − | − | + | + | − | − |
| Acid from glucose | − | − | − | − | − | − |
| Urease | − | − | − | − | − | − |
| Growth at 42°C | + | + | − | − | − | + |
| Tyrosine hydrolysis | + | + | + | + | − | ND |