Amplified fragment length polymorphism genotyping of metronidazole-resistant Helicobacter pylori infecting dyspeptics in England R.J. Owen, M. Ferrus,

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Amplified fragment length polymorphism genotyping of metronidazole-resistant Helicobacter pylori infecting dyspeptics in England R.J. Owen, M. Ferrus, J. Gibson Clinical Microbiology and Infection Volume 7, Issue 5, Pages 244-253 (May 2001) DOI: 10.1046/j.1469-0691.2001.00249.x Copyright © 2001 European Society of Clinical Infectious Diseases Terms and Conditions

Figure 1 Examples of AFLP patterns (primer HIA) of paired H. pylori (Ipswich patient sets). DNA samples (left to right) by isolate identifier: lane 1, A1; lane 2, A2; lane 3, B1; lane 4, B2; lane 5, C1; lane 6, C2; lane 7, D1; lane 8, D2; lane 9, E1, lane 10, E2; lane 11, F1; lane 12, F2; lane 13, G1; lane 14, G2; lane 15, H1; lane 16, H2; lane 17, I1; lane 18, I2; lane 19, J1; lane 20, J2; lane 21, K1; lane 22, K2; lane 23, L1: lane 24, L2. M, molecular size markers. Clinical Microbiology and Infection 2001 7, 244-253DOI: (10.1046/j.1469-0691.2001.00249.x) Copyright © 2001 European Society of Clinical Infectious Diseases Terms and Conditions

Figure 2 Numerical analysis of AFLP patterns of 92 isolates of H. pylori from 38 dyspeptic patients including 34 multiple isolate sets. Main strain groupings are designated as Cluster I fat 55%S), Cluster II fat 55%S), and Cluster III fat 50%S). DNA fragments were sized and levels of similarity between fingerprints were calculated. S, strain designation (see also Tables 1 and 2); H, Hospital/PHL laboratory of origin (A, Ipswich and B, Leeds); Mtz, metronidazole; R, resistant; S, sensitive; vac, vacA sm allelic type; cagA status. Clinical Microbiology and Infection 2001 7, 244-253DOI: (10.1046/j.1469-0691.2001.00249.x) Copyright © 2001 European Society of Clinical Infectious Diseases Terms and Conditions