Molecular Detection of Metronidazole and Tetracycline Resistance Genes in <i>Helicobacter pylori</i>-Like Positive Gastric Samples from Pigs

Antimicrobial resistance is a major public health concern. The aim of this study was to assess the presence of antibiotic resistance genes, previously reported in <i>Helicobacter pylori,</i> in gastric samples of 36 pigs, in which DNA of <i>H. pylori</i>-like organisms had be...

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Main Authors: Francisco Cortez Nunes (Author), Emily Taillieu (Author), Teresa Letra Mateus (Author), Sílvia Teixeira (Author), Freddy Haesebrouck (Author), Irina Amorim (Author)
Format: Book
Published: MDPI AG, 2023-05-01T00:00:00Z.
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Summary:Antimicrobial resistance is a major public health concern. The aim of this study was to assess the presence of antibiotic resistance genes, previously reported in <i>Helicobacter pylori,</i> in gastric samples of 36 pigs, in which DNA of <i>H. pylori</i>-like organisms had been detected. Based on PCR and sequencing analysis, two samples were positive for the <i>16S rRNA</i> mutation gene, conferring tetracycline resistance, and one sample was positive for the <i>frxA</i> gene with a single nucleotide polymorphism, conferring metronidazole resistance. All three amplicons showed the highest homology with <i>H. pylori</i>-associated antibiotic resistance gene sequences. These findings indicate that acquired antimicrobial resistance may occur in <i>H. pylori</i>-like organisms associated with pigs.
Item Description:10.3390/antibiotics12050906
2079-6382