Table 2.
Physiological and biochemical characteristics of the strain VLD 10
| Inference | |
|---|---|
| Utilization of carbon sources (w/v) | |
| Glucose | +++ |
| Lactose | +++ |
| Starch | +++ |
| Sucrose | +++ |
| Fructose | ++ |
| Maltose | ++ |
| Arabinose | + |
| Galactose | + |
| Glycerol | + |
| Mannitol | + |
| Raffinose | + |
| Xylose | + |
| Utilization of nitrogen sources (w/v) | |
| Tryptone | +++ |
| Yeast extract | +++ |
| l-Asparagine | ++ |
| Peptone | ++ |
| Ammonium nitrate | − |
| Potassium nitrate | − |
| Sodium nitrate | − |
| Tyrosine | − |
| Biochemical characteristics | |
| Methyl red | P |
| Indole | P |
| Voges Proskaeur | N |
| Citrate utilization | N |
| H2S production | P |
| Sodium chloride tolerance (w/v) | |
| 0% | − |
| 1–3% | + |
| 4–6% | ++ |
| 7–8% | +++ |
| Above 8% | + |
| Enzymatic activity | |
| Amylase | P |
| Cellulase | P |
| Chitinase | P |
| Pectinase | P |
| l-Asparaginase | P |
| Protease | P |
| RNAase | N |
| Nitrate reductase | N |
| DNAase | N |
| Keratinase | N |
| Antibiotic sensitivity (µg/ml)) | |
| Ampicillin (10) | S |
| Chloramphenicol (10) | S |
| Gentamicin (30) | R |
| Neomycin (15) | S |
| Penicillin (25) | S |
| Rifampicin (20) | S |
| Streptomycin (50) | R |
| Tetracycline (35) | S |
| Vancomycin (30) | R |
P positive, N negative, S sensitive, R resistant
+++ good growth, ++ moderate growth, + weak growth, − no growth