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Table 6 MIC of clarithromycin resistant strains and the mutation of 23S rRNA gene

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

No Strains MIC (mg/L) 23S rRNA rpl22 infB
1 5 >256 A2143G   
2 29 >256 A2143G   
3 49 >256 A2146G   
4 89 >256 A2143G   
5 90 >256 None C113T C193A, T449C, G793A, T870G, C1157T, C1988T, C2669T, A2781G, C2784A
6 92 >256 A2146G  
7 110 >256 None None C133G, G139A, C821T, A2551G, 547del, 571del
8 114 >256 None G20A A298G, G448A, G568A, A1108G, G2403T, C2669T
9 145 >256 None G20A G8A, A403G, G793A, C810A, C878T, T1171G, G2043T, C2784A, G793A, C812T
  1. A2143G means point mutation at 2143 position; None means no specific mutation