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OJVRTM
Online Journal of Veterinary Research©
Volume 18(8): 668-674, 2014.
Characterization of class 1 integrons and antibiotic resistance in human and poultry Salmonella
enterica isolates.
Ladan Mansouri Najand1 (DVM, PhD), Parisa Amini2
(DVM), Masoud Sami1 (DVM, PhD), Nasrin
Askari3 (DVM), Kumars Amini4 (DVM, PhD)
1Department of
Food Hygiene and Public Health, 2,3Faculty of Veterinary Medicine, Shahid Bahonar University of
Kerman, 4Department
of Microbiology, Faculty of Agriculture, Islamic Azad University, Saveh Branch, Saveh, Iran
ABSTRACT
Mansouri Najand
L, Amini P, Sami M, Askari
N, Amini K., Characterization of class 1 integrons and antibiotic resistance in human and poultry
Salmonella enterica isolates, Onl
J Vet Res., 18(8): 668-674, 2014. Class 1 integrons were detected in
42 of 60 Salmonella isolates. Serotypes found in poultry and humans were S. Typhimurium (14 and 9)
and S. Enteritidis (8 and 11), respectively. Most
integron positive isolates were multi-drug resistant
(MDR) and showed resistance to 2 or more antibiotic families.
Antibiograms of human
isolates of salmonella showed a maximum range of 93% resistance against
erythromycin but a maximum range of sensitivity of 90% against ciprofloxacin.
In both serovars of salmonella
isolated from poultry the maximum
range of resistance was against cefazolin
(100%) and maximum range of sensitivity
against ciprofloxacin
(67%).
Findings suggest an association
between integron carriage and reduced susceptibility
to some first-line antibiotics prescribed in human and animal salmonellosis.
Key word: Salmonella Enteritidis, Salmonella
Typhimurium, multi-drug resistant, class I integrons.
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