Table 4.
Effect of the addition various nitrogen sources to the medium on the CMCase formation by A. terreus DSM 826
| Nitrogen source | Rice straw | Sugar cane bagasse | ||
|---|---|---|---|---|
| CMCase activity (U/ml) | Specific activity (U/mg protein) | CMCase activity (U/ml) | Specific activity (U/mg protein) | |
| NaNO3 (control) | 1.67 ± 0.190 | 0.81 ± 0.058 | 1.33 ± 0.070 | 0.94 ± 0.017 |
| NH4Cl | 2.25 ± 0.190 | 1.40 ± 0.051 | 1.03 ± 0.000 | 1.10 ± 0.000 |
| (NH4)2SO4 | 1.81 ± 0.475 | 1.08 ± 0.142 | 0.83 ± 0.010 | 0.78 ± 0.002 |
| KNO3 | 1.86 ± 0.000 | 0.99 ± 0.001 | 1.31 ± 0.000 | 0.92 ± 0.002 |
| (NH4)2C2O4.H2O | 2.64 ± 0.127 | 0.84 ± 0.028 | 1.50 ± 0.060 | 0.83 ± 0.018 |