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The Prevalence of Antibiotic and Biocide Resistance Among Campylobacter coli and Campylobacter jejuni from Different Sources

Ana Mavri, Marija Kurinčič and Sonja Smole Možina*


Department of Food Science and Technology, Biotechnical Faculty, University of Ljubljana, Jamnikarjeva 101, SI-1000 Ljubljana, Slovenia

Article history:

Received September 21, 2011
Accepted March 2, 2012

Key words:
Campylobacter, biocides, antibiotics, disinfectants, multidrug resistance

Summary:

The increasing levels of antimicrobial resistance among foodborne bacteria are recognised as an important emerging public health problem. Reduced susceptibility to biocides also appears to be increasing. A potential concern is the possibility that the widespread use of biocides is responsible for the selection and maintenance of antibiotic-resistant bacteria. Here, we examine the prevalence of erythromycin, ciprofloxacin, triclosan, benzalkonium chloride, chlorhexidine diacetate, cetylpyridinium chloride, trisodium phosphate and sodium dodecyl sulphate resistance among 27 isolates of Campylobacter coli and 15 isolates of Campylobacter jejuni from food, animal, human and environmental water sources. These antimicrobial susceptibilities were determined by the broth microdilution method. In the 42 Campylobacter strains studied, different antibiotic resistance levels were seen. The resistance to erythromycin and ciprofloxacin was observed in 14.3 % of Campylobacter strains. A higher rate of erythromycin resistance and multi-resistance was observed among isolated C. coli than among C. jejuni strains. Similar situations were seen for triclosan. Conversely, the level of benzalkonium chloride resistance was higher in C. jejuni than in C. coli. No correlation between biocide and antibiotic resistance was observed. This study does not provide evidence to confirm that tolerance to biocides is connected to antibiotic resistance in Campylobacter.



*Corresponding author:           sonja.smole@bf.uni-lj.si
                                               ++386 1 320 3751
                                               ++386 1 256 6296

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