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Article

Re-examination of the role of the periplasmic domain of EnvZ in sensing of osmolarity signals in Escherichia coli.

Molecular microbiology - 1 Nov 1996

Leonardo M R, Forst S

Abstract excerpt

In Escherichia coli, EnvZ senses changes in the osmotic conditions of the growth environment and controls the phosphorylated state of the regulatory protein, OmpR. OmpR-phosphate regulates the expression of the porin genes, ompF and ompC. To investigate the role of the periplasmic domain of EnvZ in sensing of osmolarity signals, portions of this domain were deleted. Cells containing the EnvZ mutant proteins were...

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Identifiers

PMID: 8939425
DOI: 10.1046/j.1365-2958.1996.1271487.x

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-08.1.

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Related research

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Re-examination of the role of the periplasmic domain of EnvZ in sensing of osmolarity signals in Escherichia coli.PMID 8939425Read ↗

Transmembrane signal transduction and osmoregulation in Escherichia coli: functional importance of the transmembrane regions of membrane-located protein kinase, EnvZ.Semantic proximity Read ↗

Molecular analysis of the signaling pathway between EnvZ and OmpR in Escherichia coli.Semantic proximity Read ↗

Transmembrane signal transduction and osmoregulation in Escherichia coli: I. Analysis by site-directed mutagenesis of the amino acid residues involved in phosphotransfer between the two regulatory components, EnvZ and OmpR.Semantic proximity Read ↗

Signal transduction and osmoregulation in Escherichia coli. A novel type of mutation in the phosphorylation domain of the activator protein, OmpR, results in a defect in its phosphorylation-dependent DNA binding.Semantic proximity Read ↗

A single amino acid substitution in the C terminus of OmpR alters DNA recognition and phosphorylation.Semantic proximity Read ↗

Signal transduction and osmoregulation in Escherichia coli: a novel mutant of the positive regulator, OmpR, that functions in a phosphorylation-independent manner.Semantic proximity Read ↗

Mutations that alter the kinase and phosphatase activities of the two-component sensor EnvZ.Semantic proximity Read ↗

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Effects of pleiotropic ompR and envZ alleles of Escherichia coli on envelope stress and antibiotic sensitivity.Semantic proximity Read ↗

The role of the G2 box, a conserved motif in the histidine kinase superfamily, in modulating the function of EnvZ.Semantic proximity Read ↗

Intramolecular second-site revertants to the phosphorylation site mutation in OmpR, a kinase-dependent transcriptional activator in Escherichia coli.Semantic proximity Read ↗

Gene activation by the Escherichia coli positive regulator, OmpR. Phosphorylation-independent mechanism of activation by an OmpR mutant.Semantic proximity Read ↗

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