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Journal of Bacteriology, June 2004, p. 4019-4024, Vol. 186, No. 12
0021-9193/04/$08.00+0     DOI: 10.1128/JB.186.12.4019-4024.2004
Copyright © 2004, American Society for Microbiology. All Rights Reserved.

The Escherichia coli tppB (ydgR) Gene Represents a New Class of OmpR-Regulated Genes

Section of Microbiology, Division of Biological Sciences, University of California, Davis, Davis, California 95616

Received 1 December 2003/ Accepted 2 March 2004

The EnvZ/OmpR two-component regulatory system plays a critical role in the Escherichia coli stress response. In this study, we examined the expression of a new OmpR-regulated gene, ydgR. Our results indicate that ydgR is equivalent to the Salmonella enterica serovar Typhimurium tppB gene and represents a new class of OmpR-regulated genes.

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