High Prevalence of blaOXA-۲ and blaOXA-۱۰ Genes in the β-Lactam-Resistant Clinical Isolates of Pseudomonas aeruginosa

سال انتشار: 1401
نوع سند: مقاله ژورنالی
زبان: انگلیسی
مشاهده: 47

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شناسه ملی سند علمی:

JR_REMJ-10-2_007

تاریخ نمایه سازی: 20 دی 1402

چکیده مقاله:

Background: Increased resistance to β-lactams is one of the most important considerations about Pseudomonas aeruginosa. This study aimed to investigate the prevalence of blaOXA-۲ and blaOXA-۱۰ genes in β-lactam-resistant P. aeruginosa. Methods: In this study, ۱۰۰ clinical isolates were collected, and β-lactam-resistant strains were identified using the disk agar diffusion test. Bacterial DNA was extracted by the sodium dodecyl sulfate method, and the polymerase chain reaction was used to identify blaOXA-۲ and blaOXA-۱۰ β-lactamase genes. Results: In total, ۴۳ isolates were resistant to at least one of the β-lactams tested. Piperacillin-tazobactam and aztreonam were the most and least effective antibiotics, respectively. The resistance rate to a panel of β-lactams ranged from ۱۲% to ۳۷%. The highest rate of antibiotic resistance was related to wound and catheter specimens in burn and intensive care units. A significant relationship was observed between β-lactams resistance and the presence of blaOXA-۲ and blaOXA-۱۰ genes. Among ۴۳ resistant isolates, ۱۰۰% and ۸۳.۷۲% carried the blaOXA-۲ and blaOXA-۱۰ genes, respectively. Conclusion: High β-lactam resistance rates and prevalence of blaOXA-۲ and blaOXA-۱۰ in this study indicate these enzymes' significant role in resistance to β-lactams, possibly due to overuse of these antibiotics and their easier access.

نویسندگان

Fatemeh Bazari Jamkhaneh

Sana Institute of Higher Education, Sari, Iran

Mina Owrang

Faculty of Medicine, Sari branch, Islamic Azad University, Sari, Iran

Hamid Reza Goli

Molecular and Cell Biology Research Centre, Faculty of Medicine, Mazandaran University of Medical Sciences, Sari, Iran

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