Abstract
The formation of biofilms is a universal bacterial survival strategy. Biofilms occur on inert and living supports in natural environments and in industrial installations. Given their importance in various industrially relevant areas and in human health, numerous investigations have focussed on the particular physiology of these fixed microorganisms. It is now well recognised that bacteria present in biofilms behave quite differently from their planktonic counterparts. In particular, biofilm organisms are far more resistant to antimicrobial agents than are planktonic organisms. The mechanisms involved in the resistance of biofilm bacteria to antimicrobials are complex and still not fully understood. One of the hypotheses that suggested to explain the increased resistance of biofilms to antimicrobial agents assumes the existence of significant differences in gene expression. Although the expression of a limited number of genes appears to be altered during biofilm growth, a number of proteomics studies have revealed large physiological differences between free-living and biofilm bacteria. Moreover, multiple phenotypes were identified during the different stages of biofilm development. This review presents recent data on protein expression in sessile microorganisms that support the existence of a specific metabolic behaviour of biofilm bacteria.
Keywords: biofilm, proteome, quorum-sensing
Current Proteomics
Title: Proteomics of Biofilm Bacteria
Volume: 1 Issue: 3
Author(s): Thierry Jouenne, Sebastien Vilain, Pascal Cosette and Guy-Alain Junter
Affiliation:
Keywords: biofilm, proteome, quorum-sensing
Abstract: The formation of biofilms is a universal bacterial survival strategy. Biofilms occur on inert and living supports in natural environments and in industrial installations. Given their importance in various industrially relevant areas and in human health, numerous investigations have focussed on the particular physiology of these fixed microorganisms. It is now well recognised that bacteria present in biofilms behave quite differently from their planktonic counterparts. In particular, biofilm organisms are far more resistant to antimicrobial agents than are planktonic organisms. The mechanisms involved in the resistance of biofilm bacteria to antimicrobials are complex and still not fully understood. One of the hypotheses that suggested to explain the increased resistance of biofilms to antimicrobial agents assumes the existence of significant differences in gene expression. Although the expression of a limited number of genes appears to be altered during biofilm growth, a number of proteomics studies have revealed large physiological differences between free-living and biofilm bacteria. Moreover, multiple phenotypes were identified during the different stages of biofilm development. This review presents recent data on protein expression in sessile microorganisms that support the existence of a specific metabolic behaviour of biofilm bacteria.
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Cite this article as:
Jouenne Thierry, Vilain Sebastien, Cosette Pascal and Junter Guy-Alain, Proteomics of Biofilm Bacteria, Current Proteomics 2004; 1 (3) . https://dx.doi.org/10.2174/1570164043379307
DOI https://dx.doi.org/10.2174/1570164043379307 |
Print ISSN 1570-1646 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-6247 |
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