Academic journal article Iranian Journal of Public Health

ANTIBIOTIC RESISTANCE OF LACTIC ACID BACTERIA ISOLATED FROM HOME-MADE IranIAN DAIRY PRODUCTS

Academic journal article Iranian Journal of Public Health

ANTIBIOTIC RESISTANCE OF LACTIC ACID BACTERIA ISOLATED FROM HOME-MADE IranIAN DAIRY PRODUCTS

Article excerpt

Background: Probiotics and dairy starter cultures are micro- organisms which administered in adequate amount in fer- mented food. The main starter bacteria are strains belonging to the genera lactoBacillus which is inhabitants of the human intestinal microbiota. The antibiotic susceptibility patterns of some species of lactic acid bacteria isolated from traditional dairy products made in different geographic regions of Iran have been evaluated by analyzing their isolated strains used for production of probiotics and starters.

Methods: Some strains were found to harbor plasmids car- ing resistance genes and some other strains have intrinsic resistance genes. In this study sixty three strains isolated from dairy products tested for their susceptibility to 22 antibiotics, in particular: penicillin,ampicillin, ofloxacin, oxacillin, eri- thromycin, tetracyclin, with disc diffusion test

Results: It was found that antibiotic resistance lactic acid bacteria are widespread among iranian traditional dairy prod- ucts and resistance incidences depended on manufacturing area of the food. …

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