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Table 4 Mutations in katG and inhA gene in 56 rifampin-resistant M. tuberculosis isolates

From: GeneChip analysis of resistant Mycobacterium tuberculosis with previously treated tuberculosis in Changchun

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