Postantibiotic effects and postantibiotic sub-MIC effects of ciprofloxacin, pefloxacin and amikacin on the biological properties of Salmonella strains
Jazyk angličtina Země Spojené státy americké Médium print
Typ dokumentu srovnávací studie, časopisecké články
PubMed
9449780
DOI
10.1007/bf02816944
Knihovny.cz E-zdroje
- MeSH
- aktivace viru účinky léků MeSH
- amikacin aplikace a dávkování farmakologie MeSH
- antibakteriální látky aplikace a dávkování farmakologie MeSH
- antiinfekční látky aplikace a dávkování farmakologie MeSH
- bakteriofágy MeSH
- barvicí látky MeSH
- buněčná stěna chemie účinky léků MeSH
- chemické jevy MeSH
- ciprofloxacin aplikace a dávkování farmakologie MeSH
- fágy salmonel účinky léků růst a vývoj MeSH
- fyzikální chemie MeSH
- Kongo červeň MeSH
- mikrobiální testy citlivosti MeSH
- pefloxacin aplikace a dávkování farmakologie MeSH
- Salmonella enteritidis účinky léků metabolismus MeSH
- Salmonella typhimurium účinky léků metabolismus virologie MeSH
- vztah mezi dávkou a účinkem léčiva MeSH
- Publikační typ
- časopisecké články MeSH
- srovnávací studie MeSH
- Názvy látek
- amikacin MeSH
- antibakteriální látky MeSH
- antiinfekční látky MeSH
- barvicí látky MeSH
- ciprofloxacin MeSH
- Kongo červeň MeSH
- pefloxacin MeSH
The postantibiotic effect (PAE) and the postantibiotic sub-MIC effect (PASME) of ciprofloxacin, pefloxacin and amikacin were studied for Salmonella typhimurium and S. enteritidis strains. PAE was induced by 2 x and 4 x MIC of antibiotics studied for 0.5 h. After PAE and PASME their effect on prophage induction of a lysogenic S. typhimurium strain and on Congo red binding for both strains as a marker of their surface hydrophobicity was examined. The longest PAE was found after treatment with ciprofloxacin, higher values being observed with S. typhimurium. PAEs of pefloxacin and amikacin were much lower, except for the suprainhibitory concentration 4 x MIC of amikacin with S. enteritidis (6.9h). PASMEs of ciprofloxacin did not allow any regrowth of either strain. For other antibiotics the PASMEs were different while concentrations of 2 x MIC + 0.2 x MIC and 0.3 x MIC, and of 4 x MIC + 0.1 x MIC, 0.2 x MIC and 0.3 x MIC of amikacin did not allow any regrowth of S. enteritidis. PAEs of the antibiotics tested did not affect the Congo red binding by both Salmonella strains, but the PAEs of ciprofloxacin and pefloxacin expressively induced a prophage of lysogenic S. typhimurium strain. We noted the influence of Congo red binding after applying 4 x MIC + 0.1 x MIC, 0.2 x MIC and 0.3 x MIC of amikacin for S. typhimurium and 2 x MIC + 0.1 x MIC for S. enteritidis.
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