Journal Article

Similarities and differences in the responses of microorganisms to biocides

A. D. Russell

in Journal of Antimicrobial Chemotherapy

Published on behalf of British Society for Antimicrobial Chemotherapy

Volume 52, issue 5, pages 750-763
Published in print November 2003 | ISSN: 0305-7453
Published online November 2003 | e-ISSN: 1460-2091 | DOI: http://dx.doi.org/10.1093/jac/dkg422
Similarities and differences in the responses of microorganisms to biocides

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Unlike antibiotics, biocides are multi-targeted antimicrobial agents. Several of the damaging effects reported to occur in the most widely studied organisms, bacteria, may also take place to varying degrees in other organisms. Nevertheless, there is considerable variation in the response of different microorganisms to biocides. Bacteria themselves (Gram-positive and Gram-negative vegetative organisms, mycobacteria and spores) respond differently to biocides and this disparity is widened when yeasts, moulds, protozoa and algae are considered. The underlying reasons for these varied responses are poorly understood at present, but the chemical composition of outer cellular layers is likely to be a factor of prime importance. Other possible contributory factors may be differences in stress responses, the presence of efflux pumps and cells occurring within biofilms or algal mats.

Keywords: Keywords: microbes, microbial response, mechanisms of biocide action, microbial resistance

Journal Article.  12210 words.  Illustrated.

Subjects: Medical Oncology ; Critical Care

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