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Antibiotic-mediated expression analysis of Shiga toxin 1 and 2 in multi-drug-resistant Shiga toxigenic Escherichia coli
A. Rehman, S. Andleeb, SR. Ullah, Z. Mustafa, D. Gul, K. Mehmood
Jazyk angličtina Země Spojené státy americké
Typ dokumentu časopisecké články
Odkazy
PubMed
34143328
DOI
10.1007/s12223-021-00882-0
Knihovny.cz E-zdroje
- MeSH
- antibakteriální látky farmakologie MeSH
- infekce vyvolané Escherichia coli mikrobiologie MeSH
- lidé MeSH
- regulace genové exprese u bakterií * účinky léků MeSH
- shiga toxin 1 * genetika MeSH
- shiga toxin 2 * genetika MeSH
- shiga-toxigenní Escherichia coli * účinky léků genetika MeSH
- stanovení celkové genové exprese MeSH
- Check Tag
- lidé MeSH
- Publikační typ
- časopisecké články MeSH
Shiga toxin-producing Escherichia coli (STEC) is an important foodborne pathogens, known to cause enteric infections especially diarrhea, mainly attributed to Shiga toxins (Stxs). The use of certain antibiotics for treating this infection is controversial, owing to an increased risk for producing Stxs (Stx 1 and Stx 2). Increased antibiotic resistance is also thought to be involved in the pathogenesis of STEC diseases. The purpose of this study was to analyze the effects of antibiotics on induction of Stx 1 and Stx 2 in clinical STEC isolates and to investigate the relationships between increased resistance and Stx production. Fifteen clinical isolates were treated with sub minimum inhibitory concentrations (Sub MIC) of clinically used antibiotics (ciprofloxacin, fosfomycin, tigecycline, and meropenem), and the changes in expression levels of stx1 and stx2 genes were estimated using qRT-PCR. The expressions of Shiga toxins were found to be increased up to 6.5- and eightfold under ciprofloxacin and tigecycline Sub MIC, respectively. Fosfomycin had weak induction effect of up to twofold, whereas meropenem had the weakest influence on such expression. Resistant isolates were found to be more prone to increased expression of toxins.
Department of Pharmaceutics College of Pharmacy University of Hail Hail Saudi Arabia
Department of Pharmacy Abbottabad University of Science and Technology Havelian Pakistan
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