Table 2.
The HA titer produced by the mutants at the second round of chemical mutagenesis
| HA-titer* (µg/ml) |
Mutant strains (NTG 200 µg/ml) |
No. | HA-titer* (µg/ml) |
Mutant strains (NTG 120 µg/ml) |
No. |
|---|---|---|---|---|---|
| 1115 ± 8.3 | Gm2-200-10-1 | 1 | 1927 ± 6.2 | Gm2-120-21-1 | 1 |
| 1579 ± 3.1 | Gm2-200-10-2 | 2 | 1756 ± 7.2 | Gm2-120-21-2 | 2 |
| 1792 ± 9.0 | Gm2-200-10-3 | 3 | 2470 ± 8.1 | Gm2-120-21-3 | 3 |
| 1969 ± 2.1 | Gm2-200-10-4 | 4 | 2856 ± 4.2 | Gm2-120-21-4 | 4 |
| 2231± 6.1 | Gm2-200-10-5 | 5 | 2113 ± 9.4 | Gm2-120-21-5 | 5 |
*Standard deviation was calculated from three individual experiment.