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Mutations in the rpoB genes of 30 M. tuberculosis strains found resistant to rifampin by the BACTEC method
| Mutation | No. (%) of strains |
|---|---|
| 531 TCG→TTG | 21 (70.0) |
| 513 CAA→CTA | 3 (10.0) |
| 526 CAC→CTC | 2 (6.8) |
| 516 GAC→GTC | 1 (3.3) |
| 533 CTG→CCG | 1 (3.3) |
| 531 TCG→TGG | 1 (3.3) |
| 526 CAC→TAC | 1 (3.3)a |
Both the wild-type sequence and the mutant sequence were represented.
