Table 1 Characterization of isolated PHA producing strains by biochemical tests
Biochemical test | Results | |||
|---|---|---|---|---|
ASC1 | ASC2 | ASC3 | ASC4 | |
Motility | − | + | + | + |
Oxidase | − | + | − | + |
Catalase | + | + | + | + |
Indole production | − | − | − | − |
Methyl red | − | − | − | − |
Voges-Proskauer | − | − | + | − |
Citrate (simmons) | + | + | + | + |
Triple sugar iron (TSI) reaction | K/K | K/K | A/A | K/A |
H2S production (TSI) | − | − | − | − |
Lysine decarboxylase | − | − | − | + |
Ornithine decarboxylase | + | + | + | + |
Urease | − | − | + | + |
Nitrate reduction | + | + | + | − |