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Applied and Environmental Microbiology, October 2005, p. 6427-6430, Vol. 71, No. 10
0099-2240/05/$08.00+0     doi:10.1128/AEM.71.10.6427-6430.2005
Copyright © 2005, American Society for Microbiology. All Rights Reserved.

SHORT REPORT

Deletion of the sigB Gene in Bacillus cereus ATCC 14579 Leads to Hydrogen Peroxide Hyperresistance

Willem van Schaik,1,2 Marcel H. Zwietering,2 Willem M. de Vos,1 and Tjakko Abee1,2*

Wageningen Centre for Food Sciences, Wageningen, The Netherlands,1 Laboratory of Food Microbiology, Wageningen University, Bomenweg 2, 6703 HD Wageningen, The Netherlands2

Received 7 January 2005/ Accepted 18 May 2005

The sigB gene of Bacillus cereus ATCC 14579 encodes the alternative sigma factor {sigma}B. Deletion of sigB in B. cereus leads to hyperresistance to hydrogen peroxide. The expression of katA, which encodes one of the catalases of B. cereus, is upregulated in the sigB deletion mutant, and this may contribute to the hydrogen peroxide-resistant phenotype.

* Corresponding author. Mailing address: Laboratory of Food Microbiology, Wageningen University, Bomenweg 2, 6703 HD Wageningen, The Netherlands. Phone: 31-317-484981. Fax: 31-317-484978. E-mail: tjakko.abee{at}wur.nl.

Applied and Environmental Microbiology, October 2005, p. 6427-6430, Vol. 71, No. 10
0099-2240/05/$08.00+0     doi:10.1128/AEM.71.10.6427-6430.2005
Copyright © 2005, American Society for Microbiology. All Rights Reserved.



This article has been cited by other articles:

  • den Besten, H. M. W., Mols, M., Moezelaar, R., Zwietering, M. H., Abee, T. (2009). Phenotypic and Transcriptomic Analyses of Mildly and Severely Salt-Stressed Bacillus cereus ATCC 14579 Cells. Appl. Environ. Microbiol. 75: 4111-4119 [Abstract] [Full Text]  


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