[Determination of in vitro susceptibilities of Brucella spp. strains against 11 different antibacterial gents isolated from blood cultures].
In this study, it was aimed to identify the Brucella strains to the species level isolated from blood cultures, and to determine the rate of antimicrobial susceptibility against eleven antibacterial agents. A total of 106 Brucella spp. strains were included in the study, which were isolated from blood cultures in University of Health Sciences, Konya Training and Research Hospital, Medical Microbiology Laboratory between January 2011 and June 2013. Identification of the isolated strains were mainly based on conventional methods. In vitro antibacterial susceptibilities of azithromycin, ciprofloxacin, doxycycline, gentamicin, levofloxacin, moxifloxacin, rifampicin, streptomycin, tetracycline, tigecycline, and trimethoprim/sulfamethoxazole, were evaluated by using the gradient (E-test, bioMerieux, France) strip method. The bacterial suspensions adjusted to 0.5 McFarland turbidity was inoculated to Mueller Hinton agar plates, supplemented with 5% sheep blood, and E-test strips of selected antibacterial were applied. The plates were incubated in ambient air 48 hours at 37ÂșC and Escherichia coli ATCC 25922 and Staphylococcus aureus ATCC 29213 were used as quality control strains for antimicrobial susceptibility testing. Minimum inhibitors concentration (MIC) values were interpreted according to Clinical and Laboratory Standards Institute (CLSI) guidelines for slow-growing bacteria such as Haemophilus spp. Of the 106 Brucella spp. strains included in to the study, 90 were identified...
Source: Mikrobiyoloji Bulteni - Category: Microbiology Tags: Mikrobiyol Bul Source Type: research
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