Table 4 Mutations in katG and inhA gene in 56 rifampin-resistant M. tuberculosis isolates
| Codon mutation | Nucleic acid change | No. of strains | Frequency (%) |
|---|---|---|---|
| katG | |||
| Ser315Thr | AGC → ACC | 30 | 53.6 |
| inhA | |||
| C(−15) → T | C → T | 26 | 46.4 |
| Total | 56 | ||
| Codon mutation | Nucleic acid change | No. of strains | Frequency (%) |
|---|---|---|---|
| katG | |||
| Ser315Thr | AGC → ACC | 30 | 53.6 |
| inhA | |||
| C(−15) → T | C → T | 26 | 46.4 |
| Total | 56 | ||