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Updated: Aug 29, 2026

Gastric Mucosa Quantitative Polymerase Chain Reaction Analysis for Detecting Helicobacter pylori and Antibiotic Resistance
Published on: March 7, 2025
[Antimicrobial resistance of Helicobacter pylori: clinical and molecular aspects]
Cristián Vallejos1, Oscar Cerda, Manuel Valenzuela
1Facultad de Ciencias, Universidad de Chile.
Abstract:
Helicobacter pylori is a relevant pathogen for gastroduodenal diseases in human beings. Although its eradication often improves gastroduodenal diseases, H pylori is acquiring an elevated rate of resistance to various antimicrobials, such as metronidazole, clarithromycin, tetracycline and amoxicillin. Multi-drug resistance is a major problem to select the appropriate treatment of infectious diseases. To improve our understanding on the complexity of the problem, in this article we review the resistance mechanisms and give an update on H pylori antimicrobial resistance.
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