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Molecular Detection of Antibiotic Resistance Genes, and Class I, and Ii Integrons in Salmonella Enteritidis Isolated From Iranian One-Day-Old Chicks Publisher



Ghazalibina M1 ; Farahani RK2 ; Mansouri S3 ; Meskini M4, 5 ; Farahani AHK6 ; Khaledi A7, 8
Authors
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Authors Affiliations
  1. 1. Department of Microbiology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
  2. 2. Department of Molecular Biology, Pasteur Institute of Iran, Tehran, Iran
  3. 3. Antimicrobial Resistance Research Center, Department of Microbiology, Ghaem Hospital, Mashhad University of Medical Sciences, Mashhad, Iran
  4. 4. Department of Mycobacteriology and Pulmonary Research, Pasteur Institute of Iran, Tehran, Iran
  5. 5. Microbiology Research Center (MRC), Pasteur Institute of Iran, Tehran, Iran
  6. 6. Department of Animal Sciences, Faculty of Agriculture and Natural Resources, Arak University, Arak, Iran
  7. 7. Infectious Diseases Research Center, Kashan University of Medical Sciences, Kashan, IR, Iran
  8. 8. Department of Microbiology and Immunology, School of Medicine, Kashan University of Medical Sciences, Kashan, IR, Iran

Source: Gene Reports Published:2019


Abstract

This study aimed to investigate the molecular detection of antibiotic resistance genes, and class 1, and II integrons in Salmonella enteritidis isolated from Iranian one-day-old chicks. In this cross-sectional study, 650 samples were collected from one-day-old chicks from different regions of Iran and transferred to the Central Veterinary Laboratory-Iran Veterinary Organization (CVL-IVO). The prevalence of Integrons and resistance genes were determined by PCR. The pattern of antibiotic resistance was determined using Kirby-Bauer disk diffusion method. The data were analyzed using SPSS software through consensus table, and Chi-square test. Results showed the prevalence 33.3% of integrons. Frequency class I and II integrons were 26.6% and 6.6%, respectively. All isolates had GES, and gyrB genes, but 6.6% of those have DHAM gene. Other isolates did not show any resistance gene. The highest resistance was observed to Nalidixic acid, Penicillin and Nitrofurantoin (100%). The lowest resistance was reported to Trimethoprim with prevalence 6.6%. Our results showed a high prevalence of class Ι integrons, and a correlation between presence of class I and II integrons with resistance to Nalidixic acid, Penicillin, Nitrofurantoin, Colistin, Levofloxacin, and Ciprofloxacin in Salmonella enteritidis. © 2019