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J. Bacteriol. doi:10.1128/JB.00660-06
Copyright (c) 2006, American Society for Microbiology and/or the Listed Authors/Institutions. All Rights Reserved.

Expression of the trxC gene of Rhodobacter capsulatus: response to the cellular redox status is mediated by the transcriptional regulator OxyR

Institut für Mikrobiologie und Molekularbiologie, University of Giessen, Heinrich-Buff-Ring 26-32, D-35392 Giessen, Germany

^* To whom correspondence should be addressed. Email: Gabriele.Klug{at}mikro.bio.uni-giessen.de.

	Abstract

Despite the importance of thioredoxins in cellular functions, little is known about the regulation of trx genes. To understand the molecular mechanisms involved in the regulation of the Rhodobacter capsulatus trxC gene, its expression was investigated. We describe an OxyR-dependent redox-regulation of the trxC gene that adjusts the levels of thioredoxins in the cell.

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