Literature DB >> 10653761

Effect of catalase on hydrogen peroxide penetration into Pseudomonas aeruginosa biofilms.

P S Stewart1, F Roe, J Rayner, J G Elkins, Z Lewandowski, U A Ochsner, D J Hassett.   

Abstract

The penetration of hydrogen peroxide into biofilms formed by wild-type and catalase-deficient Pseudomonas aeruginosa strains was measured using microelectrodes. A flowing stream of hydrogen peroxide (50 mM, 1 h) was unable to penetrate or kill wild-type biofilms but did penetrate and partially kill biofilms formed by an isogenic strain in which the katA gene was knocked out. Catalase protects aggregated bacteria by preventing full penetration of hydrogen peroxide into the biofilm.

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Year:  2000        PMID： 10653761      PMCID： PMC91906          DOI： 10.1128/AEM.66.2.836-838.2000

Source DB:  PubMed          Journal:  Appl Environ Microbiol        ISSN： 0099-2240            Impact factor:   4.792


  14 in total

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Authors:  P S Stewart
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3.  Quorum sensing in Pseudomonas aeruginosa controls expression of catalase and superoxide dismutase genes and mediates biofilm susceptibility to hydrogen peroxide.

Authors:  D J Hassett; J F Ma; J G Elkins; T R McDermott; U A Ochsner; S E West; C T Huang; J Fredericks; S Burnett; P S Stewart; G McFeters; L Passador; B H Iglewski
Journal:  Mol Microbiol       Date:  1999-12       Impact factor: 3.501

4.  Pseudomonas aeruginosa biofilm sensitivity to biocides: use of hydrogen peroxide as model antimicrobial agent for examining resistance mechanisms.

Authors:  D J Hassett; J G Elkins; J F Ma; T R McDermott
Journal:  Methods Enzymol       Date:  1999       Impact factor: 1.600

5.  Protective role of catalase in Pseudomonas aeruginosa biofilm resistance to hydrogen peroxide.

Authors:  J G Elkins; D J Hassett; P S Stewart; H P Schweizer; T R McDermott
Journal:  Appl Environ Microbiol       Date:  1999-10       Impact factor: 4.792

Review 6.  Sensitivity of biofilms to antimicrobial agents.

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7.  Theoretical aspects of antibiotic diffusion into microbial biofilms.

Authors:  P S Stewart
Journal:  Antimicrob Agents Chemother       Date:  1996-11       Impact factor: 5.191

8.  Transport limitation of chlorine disinfection of Pseudomonas aeruginosa entrapped in alginate beads.

Authors:  X Xu; P S Stewart; X Chen
Journal:  Biotechnol Bioeng       Date:  1996-01-05       Impact factor: 4.530

9.  Direct measurement of chlorine penetration into biofilms during disinfection.

Authors:  D De Beer; R Srinivasan; P S Stewart
Journal:  Appl Environ Microbiol       Date:  1994-12       Impact factor: 4.792

10.  Multicellular oxidant defense in unicellular organisms.

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Journal:  Proc Natl Acad Sci U S A       Date:  1992-09-01       Impact factor: 11.205
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3.  Differential gene expression profiling of Staphylococcus aureus cultivated under biofilm and planktonic conditions.

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6.  Inhibition and Dispersal of Pseudomonas aeruginosa Biofilms by Combination Treatment with Escapin Intermediate Products and Hydrogen Peroxide.

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Journal:  Antimicrob Agents Chemother       Date:  2016-08-22       Impact factor: 5.191

7.  in vitro Activity of Hydrogen Peroxide and Hypochlorous Acid Generated by Electrochemical Scaffolds Against Planktonic and Biofilm Bacteria.

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8.  The stringent response controls catalases in Pseudomonas aeruginosa and is required for hydrogen peroxide and antibiotic tolerance.

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Journal:  J Bacteriol       Date:  2013-03-01       Impact factor: 3.490

9.  Unusual properties of catalase A (KatA) of Pseudomonas aeruginosa PA14 are associated with its biofilm peroxide resistance.

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Journal:  J Bacteriol       Date:  2007-12-28       Impact factor: 3.490

Review 10.  Electrochemical biofilm control: a review.

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Journal:  Biofouling       Date:  2015       Impact factor: 3.209
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