Table 2.

Mutations in rrs and gidB genes in STR-susceptible strains

Phenotypic resistanceaMutation found in:No. of strainsSTR MIC (μg/ml)
rrsgidB
R, H
320.12–1.0
34 frameshift (delG100)10.5
491 C-TGTG→GGG, V115G1≤0.12
CCG→CTG, P84L11
CCG→CGG, P93R11
TCT→TTT, S100F10.25
H
20.5
26≤0.12–1.0
491 C-T11
Total66
  • a R, rifampin; H, isoniazid; STR, streptomycin.