Journal
INTERNATIONAL JOURNAL OF MEDICAL MICROBIOLOGY
Volume 294, Issue 2-3, Pages 203-212Publisher
URBAN & FISCHER VERLAG
DOI: 10.1016/j.ijmm.2004.06.015
Keywords
foreign bode infection; quorum sensing; alternative sigma factor; biofilm formation; adhesion; stress response
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Biomaterial-associated infections, most frequently caused by Staphylococcus epidermidis and Staphylococcus aureus, are of increasing importance in modern medicine. Regularly, antimicrobial therapy fails without removal of the implanted device. The most important factor in the pathogenesis of biomaterial-associated staphylococcal infections is the formation of adherent, multilayered bacterial biofilms. In this review, recent insights regarding factors functional in biofilm formation of S. epidermidis, their role in pathogenesis, and regulation of their expression are presented. Similarly, in S. aureus the biofilm mode of growth affects gene expression and the overall metabolic status. Experimental approaches for analysis of differential expression of genes involved in these adaptive responses and evolving patterns of gene expression are discussed. (C) 2004 Elsevier GmbH. All rights reserved.
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