Table 1

Characteristics of H. pylori strains examined in this study

ClaS-ClaR strain pairsIsolated fromMIC, μg/ml 23S rRNA mutation
AmoMetTetCefCipCla
67:21Peptic ulcer<0.016NDNDNDND<0.016Wt
67:21 ClaRIn vitro<0.016NDNDNDND8A2143 → G
G6Peptic ulcer<0.0160.380.0940.190.094<0.016Wt
G44Peptic ulcer<0.0160.1250.0470.50.0478A2143 → G
G47Non-ulcer dyspepsia<0.0160.0320.0470.250.032<0.016Wt
G108Non-ulcer dyspepsia<0.016NDNDNDND8A2143 → G
G142Non-ulcer dyspepsia<0.0160.1250.0640.50.047<0.016Wt
G193Non-ulcer dyspepsia<0.0160.0470.0470.380.0478A2143 → G
G34Peptic ulcer<0.0160.0940.190.380.047<0.016Wt
G49Peptic ulcer<0.0160.0940.0640.50.047>256A2142 → G
G83Non-ulcer dyspepsia<0.016640.0640.380.064<0.016Wt
G162Non-ulcer dyspepsia<0.0160.50.0231.00.094>256A2142 → G
G16Non-ulcer dyspepsia<0.016NDNDNDND<0.016Wt
G33Peptic ulcer<0.016>2560.0640.750.125<0.016Wt
G36Peptic ulcer<0.0160.0230.0470.250.032<0.016Wt
G54Non-ulcer dyspepsia<0.016>2560.0320.0640.047<0.016Wt
G59Non-ulcer dyspepsia<0.0160.0230.0230.1250.032<0.016Wt
G64Non-ulcer dyspepsia<0.0160.1250.0230.0470.023<0.016Wt
G66Peptic ulcer<0.016<0.016<0.0160.250.023<0.016Wt
G67Non-ulcer dyspepsia<0.0160.0470.0940.250.032<0.016Wt
G74Peptic ulcer<0.0160.1250.0320.190.032<0.016Wt
G76Peptic ulcer<0.0160.190.0940.50.125<0.016Wt
G77Peptic ulcer<0.0160.250.0940.250.047<0.016Wt
G84Non-ulcer dyspepsia<0.0160.190.0940.5>32<0.016Wt
G86Non-ulcer dyspepsia<0.0160.190.0640.250.032<0.016Wt
G88Peptic ulcer<0.016<0.0160.0230.190.032<0.016Wt
G90Non-ulcer dyspepsia<0.0160.0320.0470.50.064<0.016Wt
G117Non-ulcer dyspepsia<0.016NDNDNDND<0.016Wt
K65Peptic ulcerNDNDNDNDND<0.016Wt
K57Gastric cancer<0.016<0.016<0.0160.0470.023<0.016Wt
K59Gastric cancer<0.016<0.016<0.0160.470.0047<0.016Wt
K66Gastric cancerNDNDNDNDND<0.016Wt
26695GastritisNDNDNDNDND<0.016Wt
  • MIC, minimal inhibitory concentration; Cla, clarithromycin; Met, metronidazole; Tet, tetracycline; Amo, amoxicillin; Cip, ciprofloxacine; Cef, ceftazidime; ND, not determined; Wt, wild type.