Table 2: Biochemical analysis.
Strains | Gram Staining | 2% NaCl | 5% NaCl | 7% NaCl | 10% NaCl | pH-5 | pH-6 | pH-7 | pH-8 | pH-9 | pH-10 | Katalase | Voges | Nitrate | Gelatinase |
Z1 | - | + | - | - | - | + | + | + | + | + | + | + | + | + | + |
Z2 | - | + | - | - | - | + | + | + | - | - | - | + | + | - | - |
Z3 | - | + | - | - | - | - | + | + | + | + | + | + | + | - | - |
Z4 | - | + | - | - | - | + | + | + | + | + | + | + | + | + | + |
+: Positive, -: Negative.