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Literature DB >> 14645293

Control of Pseudomonas aeruginosa algZ expression by the alternative sigma factor AlgT.

Daniel J Wozniak¹, April B Sprinkle, Patricia J Baynham.

Abstract

AlgZ controls Pseudomonas aeruginosa alginate synthesis by activating algD, yet algZ expression is not detectable in nonmucoid strains. Mobility shift and Western blot assays revealed that algZ expression requires the sigma factor AlgT. The mapped algZ transcription start site revealed a consensus AlgT-dependent promoter that, when mutated, substantially reduced algZ transcription.

Entities: Chemical Species

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Year: 2003 PMID： 14645293 PMCID： PMC296253 DOI： 10.1128/JB.185.24.7297-7300.2003

Source DB: PubMed Journal: J Bacteriol ISSN： 0021-9193 Impact factor: 3.490

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