Evaluate the Relationship Between Class 1 Integrons and Drug Resistance Genes in Clinical Isolates of Pseudomonas aeruginosa



Seyed Mohammad Javad Hosseinia, Niloofar Shoaee Naeinib, Azad Khaledic, Seyede Fatemeh Daymadd, Davoud Esmaeilid, *
a Molecular Biology Research Center, Baqiyatallah University of Medical Sciences, Tehran, Iran
b Pharmaceutical Sciences Brnach, Islamic Azad University, Tehran, Iran
c Antimicrobial Resistance Research Center, Avicenna Research Institute, Department of Microbiology and Virology, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
d Applied Microbiology Research Center, Microbiology Department, Baqiyatallah University of Medical Sciences, Tehran, Iran


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© Hosseini et al.; Licensee Bentham Open

open-access license: This is an open access article licensed under the terms of the Creative Commons Attribution-Non-Commercial 4.0 International Public License (CC BY-NC 4.0) (https://creativecommons.org/licenses/by-nc/4.0/legalcode), which permits unrestricted, non-commercial use, distribution and reproduction in any medium, provided the work is properly cited.

* Address correspondence to this author at the Applied Microbiology Research Center, and Microbiology Department, Baqiyatallah University of Medical Sciences, Tehran, Iran; Tel: 098-22289941; Fax: 098-21-26127258; E-mail: esm114@gmail.com


Abstract

Background:

The prevalence of resistant Pseudomonas aeruginosa isolates is increasing and it is considered as one of the major public health concerns in the world. The association between integrons and drug resistance has been proven and evidences suggest that integrons are coding and responsible for dissemination of antibiotic resistance among P. aeruginosa isolates.

Objective:

This study is aimed to evaluate the relationship between class 1 integrons and drug resistance genes in clinical isolates of P. aeruginosa from burn patients.

Methods:

100 isolates of P. aeruginosa were collected from burn patients hospitalized in the skin ward of Shahid Motahari hospital and susceptibility testing was performed by disk diffusion method (Kirby-Bauer). Then DNA was extracted and PCR technique was performed for the detection of class 1 integrons and drug resistance genes. Then data was analyzed using SPSS software.

Results:

The most effective antibiotic was polymyxin B with sensitivity 100%, and the most resistance was observed to the ciprofloxacin (93%) and amikacin (67%), respectively. The maximum and lowest frequencies of drug resistance genes belonged to the aac (6 ') - 1, VEB-1 with prevalence rate 93% and 10%, respectively. The statistical Chi-square test did not find any significant correlation between class 1 integrons and drug resistance genes (p˃ 0.05).

Conclusion:

Although no significant correlation between class 1 integrons and drug resistance was observed, but the resistance rate to antibiotics tested among P. aeruginosa isolates was high. So, surveillance, optimization and strict consideration of antimicrobial use and control of infection are necessary.

Keywords: Burn ward, Integrons, Resistance, Pseudomonas aeruginosa.