Skip to main content

Table 5 MIC of levofloxacin resistant strains and the mutation of gyrA and gyrB genes

From: Emerging Helicobacter pylori levofloxacin resistance and novel genetic mutation in Nepal

No Strains MIC (mg/L) gyrA gyrB
1 2 >32 N87K None
2 5 >32 D91G None
3 8 >32 D91N None
4 16 >32 S63P, D91N None
5 18 >32 D91N None
6 29 >32 S63P, N87K, P188S None
7 38 >32 D99V None
8 49 >32 N87K, D91N, V172I None
9 55 >32 N87I E483K
10 70 >32 None None
11 86 >32 N87K None
12 89 >32 D91N, R130K None
13 90 >32 N87K None
14 120 8 A88P None
15 123 >32 D91Y None
16 140 >32 D91N None
17 141 >32 D91N None
18 142 >32 S63P, R130K None
  1. N87K means amino acid substituted at Asn-87; None means no specific mutation