Antibiotic susceptibility profiles of Lactobacillus reuteri and Lactobacillus fermentum.

作者: MARIA EGERV[Auml]RN , MORTEN DANIELSEN , STEFAN ROOS , HANS LINDMARK , SVEN LINDGREN

DOI: 10.4315/0362-028X-70.2.412

关键词: Pathogenic bacteriaBiologyLactobacillus fermentumBroth microdilutionTetracyclineAmpicillinLactobacillus reuteriAntibioticsEtestMicrobiology

摘要: Lactobacillus reuteri and fermentum, which are commonly used as food processing aids probiotics, can potentially act reservoirs of antibiotic resistance genes. Acquired genes may be transferred via the chain or in gastrointestinal tract to pathogenic bacteria. Knowledge distributions MICs for a species is needed when using phenotypic method assess presence acquired In present study, 56 L. fermentum strains that differed by source spatial temporal origin were assessed susceptibility an Etest kit broth microdilution protocol. displayed uniform distribution all six antibiotics tested. had bimodal with above test range 7 14 Genetic relatedness was observed among high both ampicillin tetracycline erythromycin clindamycin. Results obtained corresponded well each other. Thus, further research make it possible define microbiological breakpoints distinguishing between without

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