Identification of Integron and Antibiotic Resistance Genes in Pseudomonas aeruginosa by Genetic Methods in Burn Patients at Al-Hussien Teaching Hospital in Al Samawah, Iraq

Pseudomonas aeruginosa Burn wound infections Extended Spectrum Beta-Lactamases (ESBLs) Multidrug resistance (MDR) PCR detection

Authors

  • Elaf Lateef Neamah Department of Science, Faculty of Basic education, Al-Muthanna University, AL-Samawah,66001, Iraq
  • Huda J. Mohemmad Department of Pharmaceutical Sciences, College of Pharmacy, Thi-Qar University, Thi-Qar, Iraq
  • Bushra Ali Ghyadh Department of Biology, Faculty of science, Thi-qar University, Thi-Qar, 64001, Iraq
  • Zaid Mohammed Jasim Presidency of Al-Muthanna University, AL-Samawah,66001, Iraq
  • Amar Mousa Mandal Department of Science, Faculty of Basic education, Al-Muthanna University, AL-Samawah,66001, Iraq
June 20, 2026

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The skin's defense mechanism against opportunistic infections is compromised by burn damage. One of the primary pathogens that colonize burn wounds and cause serious infections is Pseudomonas aeruginosa . Production of Extended Spectrum Beta-lactamase Enzymes (ESBLs) and Integron play a significant part in time wastage and selecting the best course of treatment. Using 16sRNA, sixteen P. aeruginosa isolates were detected by the conventional PCR technique. Amikacin (85%), Imipenem (70%), Tobramycin (65%), Azteronam, Cepfepime (63%), Ceftazidime (61%), were shown to have the greatest resistance levels, and the mordent resistance was demonstrated by Levofloxacin, Meropenem (55%), and Ciprofloxacin, Colistin (46%). The findings of the Double Disc Synergy Test (DDST) indicated that 10 (62.25%) among the isolates generated (ESBLs). All   isolates were classified as Multidrug Resistance (MDR) 16(100%). The most common genotypes were Int-1 16(100%), BlaTEM 16(100%), and Bla CTX-M 13 (81.2%). Because Enterobacteriaceae produced a large number of ESBL and Integron Class-1 genes, Slowing the spread of antibiotic-resistant illnesses requires the application of high standards in both public health and laboratory practices.