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Účinok subinhibičných koncentrácií aminoglykozidova fluorochinolónov na hydrofobicitu a motilituSerratia marcescens
: V. Majtán; Ľ. Majtánová
: Ústav preventívnej a klinickej medicíny, Bratislava
: Epidemiol. Mikrobiol. Imunol. , 2001, č. 1, s. 26-30
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Študoval sa účinok subinhibičných koncentrácií chinolónov (ciprofloxacín, enoxacín, norfloxacín,ofloxacín, pefloxacín) a aminoglykozidov (amikacín, gentamicín, netilmicín, tobramycín) na povr-chovú hydrofobicitu a motilitu klinického izolátu Serratia marcescens. Hydrofobicita bola hodno-tená metódami adherencie na hydrokarbón xylén (BATH) a v soľno-agregačnom teste síranu amón-neho (SAT). Testované chinolóny v subinhibičných koncentráciách inhibovali adherenciu S.marcescens na xylén s výnimkou 1/16 MIC ofloxacínu, kde došlo k miernej stimulácii. Najvýraznejšiainhibícia adherencie sa pozorovala po pôsobení 1/4 MIC ciprofloxacínu (na 13,2 %) a pefloxacínu (na31,0 %) oproti kontrole. Z aminoglykozidov netilmicín výrazne inhiboval adherenciu v celom kon-centračnom rozsahu, pričom 1/8 MIC ju potlačila na 0,7 %. S týmito údajmi korelovali aj výsledkysoľno-agregačného testu. Študované antibiotiká výraznejšie neovplyvnili motilitu S. marcescens.
Klíčová slova:
antibiotiká – subinhibičné koncentrácie – hydrofobicita – motilita – Serratia marces-cens.
Labels
Hygiene and epidemiology Medical virology Clinical microbiology
Article was published inEpidemiology, Microbiology, Immunology
2001 Issue 1-
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