Literature DB >> 11427586

Clarithromycin-susceptible and -resistant Helicobacter pylori isolates with identical randomly amplified polymorphic DNA-PCR genotypes cultured from single gastric biopsy specimens prior to antibiotic therapy.

A van der Ende1, L J van Doorn, S Rooijakkers, M Feller, G N Tytgat, J Dankert.   

Abstract

Of the Helicobacter pylori populations from 976 patients, six contained clarithromycin-resistant as well as -susceptible colonies. In each heterogeneous H. pylori population, resistant H. pylori colonies harbored identical 23S ribosomal DNA (rDNA) mutations associated with clarithromycin resistance, while the susceptible H. pylori colonies all had wild-type 23S rDNA. The resistant and susceptible colonies of each of the heterogeneous H. pylori populations had identical randomly amplified polymorphic DNA-PCR genotypes. In conclusion, evaluation of antimicrobial susceptibility can be misinterpreted if only a single colony from the primary H. pylori population is used to test for clarithromycin susceptibility.

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Year:  2001        PMID： 11427586      PMCID： PMC88202          DOI： 10.1128/JCM.39.7.2648-2651.2001

Source DB:  PubMed          Journal:  J Clin Microbiol        ISSN： 0095-1137            Impact factor:   5.948


  19 in total

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3.  Point mutations in the 23S rRNA gene of Helicobacter pylori associated with different levels of clarithromycin resistance.

Authors:  J Versalovic; M S Osato; K Spakovsky; M P Dore; R Reddy; G G Stone; D Shortridge; R K Flamm; S K Tanaka; D Y Graham
Journal:  J Antimicrob Chemother       Date:  1997-08       Impact factor: 5.790

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5.  Macrolide resistance in Helicobacter pylori: mechanism and stability in strains from clarithromycin-treated patients.

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6.  Heterogeneous Helicobacter pylori isolates from members of a family with a history of peptic ulcer disease.

Authors:  A van der Ende; E A Rauws; M Feller; C J Mulder; G N Tytgat; J Dankert
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7.  Heterogeneity in susceptibility to metronidazole among Helicobacter pylori isolates from patients with gastritis or peptic ulcer disease.

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Journal:  J Clin Microbiol       Date:  1996-09       Impact factor: 5.948

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Authors:  M J Blaser; G I Perez-Perez; H Kleanthous; T L Cover; R M Peek; P H Chyou; G N Stemmermann; A Nomura
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  11 in total

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2.  Droplet Digital PCR-Based Detection of Clarithromycin Resistance in Helicobacter pylori Isolates Reveals Frequent Heteroresistance.

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6.  Real-Time PCR detection and quantitation of Helicobacter pylori clarithromycin-resistant strains in archival material and correlation with Sydney classification.

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Review 7.  Review article: the global emergence of Helicobacter pylori antibiotic resistance.

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10.  Gastric Juice-Based Real-Time PCR for Tailored Helicobacter Pylori Treatment: A Practical Approach.

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