Effects of Glucose onfsr‐Mediated Biofilm Formation inEnterococcus faecalis
JOURNAL OF INFECTIOUS DISEASES(2004)
摘要
Biofilm production is frequently dependent on such environmental factors as cell density and glucose concentration. The Enterococcus faecalis quorum-sensing locus (fsr) increases enterococcal virulence in multiple animal models. To date, fsr has been shown to regulate the transcription of 2 downstream protease genes. We demonstrate that the effect of fsr mutations on biofilm formation, as well as the fsr-mediated catabolite control of biofilm, is mediated via these proteases. The present study provides additional insight into the mechanisms used by E. faecalis to establish nosocomial infection.
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关键词
biofilm formation,glucose
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