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Virulence. 2013 Apr 1;4(3):223-9. doi: 10.4161/viru.23724. Epub 2013 Feb 4.

Role of efflux pumps in the antibiotic resistance of bacteria embedded in a biofilm.

Author information

1
Barcelona Centre for International Health Research (CRESIB, Hospital Clinic-University of Barcelona), Barcelona, Spain. sara.soto@cresib.cat

Abstract

Biofilms are complex microbial associations anchored to abiotic or biotic surfaces, embedded in extracellular matrix produced by the biofilms themselves where they interact with each other and the environment. One of the main properties of biofilms is their capacity to be more resistant to antimicrobial agents than planktonic cells. Efflux pumps have been reported as one of the mechanisms responsible for the antimicrobial resistance in biofilm structures. Evidence of the role of efflux pump in biofilm resistance has been found in several microorganisms such as Pseudomonas aeruginosa, Escherichia coli and Candida albicans. However, in spite of the studies on the importance of efflux pumps in biofilm growth and about their relevance in antimicrobial resistance forming biofilm, the exact role of these efflux systems has not been determined as yet.

KEYWORDS:

RND family; antimicrobial resistance; biofilm; efflux pump inhibitors; efflux pumps

PMID:
23380871
PMCID:
PMC3711980
DOI:
10.4161/viru.23724
[Indexed for MEDLINE]
Free PMC Article

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