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Article

Identification and characterization of narQ, a second nitrate sensor for nitrate-dependent gene regulation in Escherichia coli.

Molecular microbiology - 1 Jul 1992

Chiang R C, Cavicchioli R, Gunsalus R P

Abstract excerpt

In response to nitrate availability, Escherichia coli regulates the synthesis of a number of enzymes involved in anaerobic respiration and fermentation. When nitrate is present, nitrate reductase (narGHJI) gene expression is induced, while expression of the DMSO/TMAO reductase (dmsABC), fumarate reductase (frdABCD) and fermentation related genes are repressed. The narL and narX gene products are required for this...

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PMID: 1508040
DOI: 10.1111/j.1365-2958.1992.tb01364.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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Identification and characterization of narQ, a second nitrate sensor for nitrate-dependent gene regulation in Escherichia coli.PMID 1508040Read ↗

Role of the periplasmic domain of the Escherichia coli NarX sensor-transmitter protein in nitrate-dependent signal transduction and gene regulation.Semantic proximity Read ↗

Nitrate- and molybdenum-independent signal transduction mutations in narX that alter regulation of anaerobic respiratory genes in Escherichia coli.Semantic proximity Read ↗

Nitrate reductases in Escherichia coli.Semantic proximity Read ↗

A reassessment of the FNR regulon and transcriptomic analysis of the effects of nitrate, nitrite, NarXL, and NarQP as Escherichia coli K12 adapts from aerobic to anaerobic growth.Semantic proximity Read ↗

Functional roles for the GerE-family carboxyl-terminal domains of nitrate response regulators NarL and NarP of Escherichia coli K-12.Semantic proximity Read ↗

Nitrate- and nitrite-sensing protein NarX of Escherichia coli K-12: mutational analysis of the amino-terminal tail and first transmembrane segment.Semantic proximity Read ↗

Coordinate regulation of the Escherichia coli formate dehydrogenase fdnGHI and fdhF genes in response to nitrate, nitrite, and formate: roles for NarL and NarP.Semantic proximity Read ↗

Nitrate regulation of anaerobic respiratory gene expression in narX deletion mutants of Escherichia coli K-12.Semantic proximity Read ↗

Regulation of narK gene expression in Escherichia coli in response to anaerobiosis, nitrate, iron, and molybdenum.Semantic proximity Read ↗

Hierarchical control of anaerobic gene expression in Escherichia coli K-12: the nitrate-responsive NarX-NarL regulatory system represses synthesis of the fumarate-responsive DcuS-DcuR regulatory system.Semantic proximity Read ↗

Maximal expression of membrane-bound nitrate reductase in Paracoccus is induced by nitrate via a third FNR-like regulator named NarR.Semantic proximity Read ↗

Mutational analysis of nitrate regulatory gene narL in Escherichia coli K-12.Semantic proximity Read ↗

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