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Cefoperazone-treated Mouse Model of Clinically-relevant Clostridium difficile Strain R20291
Published on: December 10, 2016
Characterisation and Antibiotic Susceptibility Profile of Clostridioides (Clostridium) Difficile Isolated from
Enver Baris Bingol1, Hamparsun Hampikyan2, Karlo Muratoglu1
1Department of Food Hygiene and Technology, Faculty of Veterinary Medicine, Istanbul University-Cerrahpasa, 34500, Istanbul, Turkey.
Introduction:
Clostridioides (Clostridium) difficile is a Gram+, anaerobic, spore-forming, rod-shaped bacterium that can produce toxins, and it is mainly because its virulence is attributed. The objective of this study was to evaluate the presence of C. difficile and hyper virulent ribotypes in chicken carcasses and the antibiotic susceptibility of isolated strains.
Material And Methods:
C. difficile was isolated from chicken carcasses by microbiological methods, its ribotypes were identified by means of PCR, the toxin production ability was defined by ELISA, and the susceptibility of the isolates to selected antibiotics was determined by minimum inhibitory concentration evaluator strips.
Results:
The bacterium was isolated from 69 out of 185 (37.3%) examined chicken carcass samples, and six out of the 69 (8.7%) isolates were identified as ribotype 027. All isolates were susceptible to amoxicillin-clavulanic acid (100.0%), vancomycin (97.1%), metronidazole (88.4%), and tetracycline (95.7%), whereas they were resistant to cefotaxime (97.1%) and imipenem (89.9%).
Conclusion:
The results of this study demonstrate the presence of toxigenic C. difficile isolates such as ribotype 027 (one of the most common causes of C. difficile infection in humans) in chicken carcasses. Although there is no case for stating that C. difficile is a food-borne pathogen, the presence of C. difficile in chicken may be considered to be a potential risk to consumers.
