Article
Effects of low-level ciprofloxacin challenge in the in vitro development of ciprofloxacin resistance in Campylobacter jejuni.
Microbial drug resistance (Larchmont, N.Y.) - 1 Sept 2008
Hannula Minna, Hänninen Marja-Liisa
Abstract excerpt
The effects on MIC values and the selection of different base substitutions in the quinolone resistance determining region (QRDR) of gyrA were studied on initially ciprofloxacin-susceptible Campylobacter jejuni strains by challenging them to 0.125 mg/L of ciprofloxacin. This ciprofloxacin challenge selected variants with ciprofloxacin MIC levels up to 32 mg/L. Repeated experiments under identical conditions...
Topics
- Animals
- Anti-Infective Agents
- Base Sequence
- Campylobacter jejuni
- Chickens
- Ciprofloxacin
- DNA Gyrase
- DNA Mutational Analysis
- DNA, Bacterial
- Dose-Response Relationship, Drug
- Drug Resistance, Bacterial
- Microbial Sensitivity Tests
- Mutation
