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© J.M. Ghigo (Institut Pasteur) and Brigite Arbeille (LBC-ME. Faculté de Médecine de Tours)
Colorized scanning electron microscopy of an E. coli biofilm developing on a glass surface
Publication : Journal des Anti-Infectieux

Biofilm tolerance towards antibiotics: Mechanisms and treatment

Scientific Fields
Diseases
Organisms
Applications
Technique

Published in Journal des Anti-Infectieux - 01 Apr 2014

Lebeaux D, Ghigo JM, Beloin C

J. Antinf. 2014Sept;16(3):112-121

Biofilms are surface-associated microbial communities surrounded by an extracellular matrix that are found in all natural environments. Biofilms are associated with several human infections and are therefore responsible for a significant medical and economic burden. When compared to their planktonic counterparts, biofilm bacteria exhibit specific phenotypic traits. In human medicine, their more problematic feature is the ability of some biofilm bacteria to survive in the presence of high concentrations of bactericidal antibiotics. This characteristic, called tolerance towards antibiotics, is multifactorial and plays a major role in the risk of infection relapse or antibiotic failure. Recently, several studies improved our understanding of the tolerance of biofilms towards antibiotics and led to propose original therapeutic strategies to treat biofilm-related infections. This review presents our current understanding of the mechanisms involved in the tolerance of biofilm towards antibiotics and describes how recent progress led to design original and efficient strategies to eradicate biofilm-related infections.