In vitro activities of different inhibitors of bacterial transcription against Staphylococcus epidermidis biofilm.

Abstract:

:Staphylococcus epidermidis is a major cause of nosocomial infections because of its ability to form biofilms on the surface of medical devices. Only a few antibacterial agents are relatively active against biofilms, and rifampin, a transcription inhibitor, ranks among the most effective molecules against biofilm-related infections. Whether this efficacy is due to advantageous structural properties of rifampin or to the fact that the RNA polymerase is a favorable target remains unclear. In an attempt to answer this question, we investigated the action of different transcription inhibitors against S. epidermidis biofilm, including the newest synthetic transcription inhibitors. This comparison suggests that most of the antibiotics that target the RNA polymerase are active on S. epidermidis biofilms at concentrations close to their MICs. One of these compounds, CBR703, despite its high MIC ranks among the best antibiotics to eradicate biofilm-embedded bacteria.

authors

Villain-Guillot P,Gualtieri M,Bastide L,Leonetti JP

doi

10.1128/AAC.00343-07

subject

Has Abstract

pub_date

2007-09-01 00:00:00

pages

3117-21

issue

9

eissn

0066-4804

issn

1098-6596

pii

AAC.00343-07

journal_volume

51

pub_type

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