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Article

Three disparately regulated genes for sigma 32-like transcription factors in Bradyrhizobium japonicum.

Molecular microbiology - 1 Apr 1997

Narberhaus F, Krummenacher P, Fischer H M, Hennecke H

Abstract excerpt

Bradyrhizobium japonicum possesses a subclass of heat-shock genes whose members are transcribed from a sigma 32 consensus promoter. Having identified previously one gene (rpoH1) encoding a sigma 32-like RNA polymerase transcription factor, we report here the characterization of two additional rpoH-like genes (rpoH2 and rpoH3). B. japonicum thus represents the first example of an organism possessing an rpoH...

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Identifiers

PMID: 9140968
DOI: 10.1046/j.1365-2958.1997.3141685.x

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Three disparately regulated genes for sigma 32-like transcription factors in Bradyrhizobium japonicum.PMID 9140968Read ↗

The Bradyrhizobium japonicum rpoH1 gene encoding a sigma 32-like protein is part of a unique heat shock gene cluster together with groESL1 and three small heat shock genes.Semantic proximity Read ↗

Two RpoH homologs responsible for the expression of heat shock protein genes in Sinorhizobium meliloti.Semantic proximity Read ↗

Identification of the heat-shock sigma factor RpoH and a second RpoH-like protein in Sinorhizobium meliloti.Semantic proximity Read ↗

A novel DNA element that controls bacterial heat shock gene expression.Semantic proximity Read ↗

Activity of Rhodobacter sphaeroides RpoHII, a second member of the heat shock sigma factor family.Semantic proximity Read ↗

The Rhizobium etli RpoH1 and RpoH2 sigma factors are involved in different stress responses.Semantic proximity Read ↗

Rhizobium meliloti suhR suppresses the phenotype of an Escherichia coli RNA polymerase sigma 32 mutant.Semantic proximity Read ↗

Identification of the Bradyrhizobium japonicum degP gene as part of an operon containing small heat-shock protein genes.Semantic proximity Read ↗

Bradyrhizobium japonicum has two differentially regulated, functional homologs of the sigma 54 gene (rpoN).Semantic proximity Read ↗

ROSE elements occur in disparate rhizobia and are functionally interchangeable between species.Semantic proximity Read ↗

Two genes encoding a putative multidrug efflux pump of the RND/MFP family are cotranscribed with an rpoH gene in Bradyrhizobium japonicum.Semantic proximity Read ↗

An extracytoplasmic function sigma factor acts as a general stress response regulator in Sinorhizobium meliloti.Semantic proximity Read ↗

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