Czech J. Food Sci., 2013, 31(1):27-32 | DOI: 10.17221/110/2012-CJFS

Antimicrobial resistance of lactobacilli isolated from foodOriginal Paper

Marta DUŠKOVÁ1, Renáta KARPÍŠKOVÁ1,2
1 Department of Milk Hygiene and Technology, Faculty of Veterinary Hygiene and Ecology, University of Veterinary and Pharmaceutical Sciences Brno, Brno, Czech Republic
2 Veterinary Research Institute, Brno, Czech Republic

Bacteria of the genus Lactobacillus are of great benefit in many areas of life. They are widely used in food industry, in particular as part of starter cultures for fermented dairy and meat products, but also in human and veterinary medicine as probiotics. The increasing global problem of antimicrobial resistance may also involve lactic acid bacteria because of the possible risk of resistance genes transfer. We determined the antimicrobial susceptibility of lactobacilli isolated from food. Ninety facultatively heterofermentative lactobacilli isolated from retail dairy and meat products were tested. The resistance to antimicrobials was screened by the disk diffusion method and the minimum inhibitory concentrations were determined by the broth microdilution method. Fifteen strains (17%) were resistant to at least one antimicrobial agent and one strain was multiresistant.

Keywords: Lactobacillus spp.; disk diffusion method; broth microdilution method; minimum inhibitory concentration (MIC); susceptibility to antibiotics; dairy products; meat products

Published: February 28, 2013  Show citation

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DUŠKOVÁ M, KARPÍŠKOVÁ R. Antimicrobial resistance of lactobacilli isolated from food. Czech J. Food Sci.. 2013;31(1):27-32. doi: 10.17221/110/2012-CJFS.
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