From: Influence of a 23S ribosomal RNA mutation in Helicobacter pylori strains on the in vitro synergistic effect of clarithromycin and amoxicillin
Mutation in 23S rRNA gene
No. of strains
Synergy (FIC < 0.5)
MIC
A2143G
10
5 (50%)
<2
A2142G
12
3 (25%)
>16