In vitro susceptibilities of 40 Campylobacter fetus subsp. jejuni strains to niridazole and metronidazole.
نویسندگان
چکیده
The activities of niridazole and metronidazole were compared by an agar dilution method against 40 strains of Campylobacter fetus subsp. jejuni of human origin. Niridazole had a markedly higher activity than metronidazole.
منابع مشابه
Comparative in vitro activities of niridazole and metronidazole against anaerobic and microaerophilic bacteria.
In vitro susceptibilities of anaerobic bacteria (Bacteroides spp., Fusobacterium spp., Clostridium spp., and Peptococcus sp.) and of Campylobacter jejuni and C. coli to niridazole and metronidazole were determined. The minimum inhibitory concentrations for niridazole ranged from 0.0037 to 1.0 microgram/ml and, for metronidazole, from 0.25 to 128 micrograms/ml.
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One hundred recent clinical isolates of Campylobacter fetus subsp. jejuni were tested by an agar dilution technique for susceptibility to each of 20 antimicrobial agents. Doxycycline and gentamicin were the most active of the drugs examined, inhibiting all strains at concentrations achievable in serum. Although the median minimal inhibitory concentration of erythromycin was low, 8% of the isola...
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An additional method for differentiating between Campylobacter fetus subsp. jejuni and C. fetus subsp. intestinalis is reported. Strains of C. fetus subsp. jejuni (18/20) were shown to hydrolyze hippurate in the 2-h rapid test, whereas strains of C. fetus subsp. intestinalis did not.
متن کاملComparative in vitro activities of twelve antimicrobial agents against Campylobacter species.
The in vitro susceptibility of 27 Campylobacter jejuni, 31 Campylobacter coli, and 30 Campylobacter fetus subsp. fetus strains to 12 antimicrobial agents was determined. Ciprofloxacin, a new quinoline derivative, was the most active agent tested. Antimicrobial susceptibility differed among the three species tested.
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Human clinical strains of Campylobacter jejuni and Campylobacter fetus subsp. fetus colonized the gastrointestinal tracts of both athymic (nu/nu) and euthymic (+/nu) germfree mice (BALB/c). Viable Campylobacter spp. (10(9) to 10(10) CFU/g [dry weight] of cecum and colon contents) were isolated on day 3 after oral challenge, and similar large numbers of viable cells were evident at several inter...
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عنوان ژورنال:
- Antimicrobial agents and chemotherapy
دوره 25 1 شماره
صفحات -
تاریخ انتشار 1984