Table 3.
Qualitative production of volatile compounds and hydrolytic enzymes by various halotolerant biofilm-producing rhizobacterial isolates.
| Isolates | Volatile compounds | Hydrolytic enzymes | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Acetoin | Indole | NH3 | HCN | ACC deaminase | Catalase | Oxidase | Gelatinase | Dehydrolase | Lipase | Cellulase | Protease | |
| ESK1 | − | + | + | − | + | + | − | + | − | − | + | + |
| ESK6 | + | − | + | − | + | + | − | − | − | − | + | − |
| ESK12 | + | + | + | − | + | + | − | + | − | − | + | − |
| ESK15 | + | + | + | − | + | + | + | + | + | − | + | + |
| ESK16 | + | + | + | + | + | + | + | − | + | − | + | − |
| ESK17 | + | − | + | + | + | + | + | − | + | − | + | − |
| ESK19 | + | + | + | − | + | + | − | + | − | + | + | + |
| ESM2 | + | − | + | − | + | + | + | − | + | − | + | − |
| ESM4 | − | − | + | − | + | + | − | − | + | + | + | − |
| ESM5 | + | − | + | − | + | + | + | − | − | − | + | − |
| ESM7 | + | − | + | − | + | + | − | + | + | − | + | + |
| ESM8 | + | − | + | − | + | + | − | + | + | + | + | + |
| ESM12 | + | − | + | − | + | + | + | − | + | − | + | − |
| ESM14 | + | − | + | − | + | + | − | + | + | + | + | + |
| ESM16 | − | + | + | − | + | + | − | + | + | + | + | + |
| ESM17 | − | − | + | + | + | + | + | − | + | − | + | − |
| ESM19 | + | − | + | − | + | + | − | − | + | + | + | − |
| ESM24 | − | − | + | − | + | + | − | − | − | − | + | − |
| ESM25 | + | + | + | − | + | + | + | + | − | − | + | + |
| ESR15 | − | − | + | + | + | + | + | + | + | + | + | − |
+ = Positive for the respective test, − = Negative for the respective test. Pseudomonas chlororaphis ESR15 was used as control.