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The effect of fifteen biocides on formaldehyde-resistant strains of Pseudomonas aeruginosa

The effect of fifteen biocides on formaldehyde-resistant strains of Pseudomonas aeruginosa Evaluation of formaldehyde and fifteen biocides in formaldehyde sensitive (S) and resistant (R) strains of Pseudomonas aeruginosa revealed a pattern of response that allowed a comparison of the mode of action of these biocides. The response of these strains to the various biocides, as well as the induction of transient resistance or cross-resistance in the (S) strain, allowed a grouping of biocides based on this pattern of response. Group 1 biocides acted in a manner indistinguishable from formaldehyde for both the (S) and (R) strains. Group 2 biocides were not effective against either the (S) or (R) strains at concentrations calculated to release equimolar concentrations of formaldehyde. However, treatment of the (S) strain with formaldehyde or Group 2 biocides resulted in the development of cross-resistance. Group 3 biocides were equally effective against the (S) and (R) strain, but the (S) strain survivors of treatment with Group 3 biocides were resistant to formaldehyde. Group 4 biocides (controls) had no presumed connection to formaldehyde mode of action. These four groupings, based on pattern of response, also resulted in groupings of biocides based on chemical structure. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Industrial Microbiology Biotechnology Springer Journals

The effect of fifteen biocides on formaldehyde-resistant strains of Pseudomonas aeruginosa

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References (18)

Publisher
Springer Journals
Copyright
Copyright © 1986 by Society for Industrial Microbiology
Subject
Chemistry; Biotechnology; Genetic Engineering; Biochemistry, general; Bioinformatics; Microbiology; Microbial Genetics and Genomics
ISSN
1367-5435
eISSN
1476-5535
DOI
10.1007/BF01569316
Publisher site
See Article on Publisher Site

Abstract

Evaluation of formaldehyde and fifteen biocides in formaldehyde sensitive (S) and resistant (R) strains of Pseudomonas aeruginosa revealed a pattern of response that allowed a comparison of the mode of action of these biocides. The response of these strains to the various biocides, as well as the induction of transient resistance or cross-resistance in the (S) strain, allowed a grouping of biocides based on this pattern of response. Group 1 biocides acted in a manner indistinguishable from formaldehyde for both the (S) and (R) strains. Group 2 biocides were not effective against either the (S) or (R) strains at concentrations calculated to release equimolar concentrations of formaldehyde. However, treatment of the (S) strain with formaldehyde or Group 2 biocides resulted in the development of cross-resistance. Group 3 biocides were equally effective against the (S) and (R) strain, but the (S) strain survivors of treatment with Group 3 biocides were resistant to formaldehyde. Group 4 biocides (controls) had no presumed connection to formaldehyde mode of action. These four groupings, based on pattern of response, also resulted in groupings of biocides based on chemical structure.

Journal

Journal of Industrial Microbiology BiotechnologySpringer Journals

Published: Jun 1, 1986

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