Evidence map›Paper›PMID 15673736›Full record

ArticleAntimicrobial agents and chemotherapy2005

Tetracycline-resistant clinical Helicobacter pylori isolates with and without mutations in 16S rRNA-encoding genes.

Jeng Yih Wu, Jae J Kim, Rita Reddy, W M Wang, David Y Graham, Dong H Kwon

Abstract read
In one paragraph

Article in Antimicrobial agents and chemotherapy, 2005. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 24 papers.

0numbers the graph read from it
0cells of the map it votes in
24citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

24 citing papers in PubMed.

  1. Review
  2. Overcoming antibiotic-resistantWorld journal of gastroenterology · 2025
    Review
  3. Antibiotic Resistance ofJournal of Korean medical science · 2024
    Review
  4. Molecular tools of antibiotic resistance forFrontiers in gastroenterology (Lausanne, Switzerland) · 2024
    Review
  5. Review
  6. Clinical Implication of Drug Resistance forAntibiotics (Basel, Switzerland) · 2022
    Review
  7. Review
  8. Review
  9. Article
  10. Review
  11. The Prevalence of Multidrug Resistance ofAntibiotics (Basel, Switzerland) · 2020
    Article
  12. Eradication Treatment ofInfection and drug resistance · 2020
    Article
  13. Article
  14. A Newly Discovered Drug Resistance GeneInfection and drug resistance · 2019
    Article
  15. Article
  16. Article
  17. Article
  18. Article
  19. Article
  20. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

6 authors.

Jeng Yih WuVeterans Affairs Medical Center and Department of Medicine, Baylor College of Medicine, Houston, Texas, USA.
Jae J Kim
Rita Reddy
W M Wang
David Y Graham
Dong H Kwon

Funding

Tissue Analysis & Molecular Imaging CoreP30DK056338 · NIDDK · BAYLOR COLLEGE OF MEDICINE · PI FASIHA KANWAL · 2001 to 2026
$28.3M
NIDDK NIH HHS DK56338NIDDK NIH HHS P30 DK056338
6 · The paper itself

Abstract

Tetracycline-resistant Helicobacter pylori strains have been increasingly reported worldwide. However, only a small number of tetracycline-resistant strains have been studied with regard to possible mechanisms of resistance and those studies have focused on mutations in the tetracycline binding sites of 16S rRNA-encoding genes. We here report studies of 41 tetracycline-resistant H. pylori strains (tetracycline MICs, 4 to 32 microg/ml) from North America (n = 12) and from East Asia (n = 29). DNA sequence analyses of 16S rRNA-encoding genes revealed that 22 (54%) of the resistant isolates carried one of five different single-nucleotide substitutions (CGA, GGA, TGA, AGC, or AGT) at the putative tetracycline binding site (AGA(965-967)). Single-nucleotide substitutions were associated with reduced ribosomal binding and with slightly increased tetracycline MICs (1 to 2 microg/ml). The 19 tetracycline-resistant isolates with no detectable mutations in the tetracycline binding site had normal tetracycline-ribosome binding. All tetracycline-resistant isolates, including those with and those without mutations in the tetracycline binding site, showed decreased accumulation of tetracycline. These results suggest that tetracycline resistance is multifactorial, involving alterations both in ribosomal binding and in membrane permeability.

Indexed as

AntiportersBacterial ProteinsBinding SitesCell Membrane PermeabilityDNA, BacterialGenotypeHelicobacter InfectionsHelicobacter pyloriMicrobial Sensitivity TestsMutationRNA, BacterialRNA, Ribosomal, 16STetracycline ResistanceTetracyclinesAntiportersBacterial ProteinsDNA, BacterialRNA, BacterialRNA, Ribosomal, 16StetA protein, BacteriaTetracyclines

Identifiers

PMID15673736
PMCPMC547221

What OpenQuestion holds

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Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.