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Article

The Escherichia coli modE gene: effect of modE mutations on molybdate dependent modA expression.

FEMS microbiology letters - 15 Nov 1996

McNicholas P M, Chiang R C, Gunsalus R P

Abstract excerpt

The Escherichia coli modABCD operon, which encodes a high-affinity molybdate uptake system, is transcriptionally regulated in response to molybdate availability by ModE. Here we describe a highly effective enrichment protocol, applicable to any gene with a repressor role, and establish its application in the isolation of transposon mutations in modE. In addition we show that disruption of the ModE C-terminus...

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Identifiers

PMID: 8931336
DOI: 10.1016/0378-1097(96)00398-9

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

Source receipt: pubmed, retrieved 7 Sept 2026.

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The Escherichia coli modE gene: effect of modE mutations on molybdate dependent modA expression.PMID 8931336Read ↗

Repression of the Escherichia coli modABCD (molybdate transport) operon by ModE.Semantic proximity Read ↗

Regulation of the molybdate transport operon, modABCD, of Escherichia coli in response to molybdate availability.Semantic proximity Read ↗

Genetic analysis of the modABCD (molybdate transport) operon of Escherichia coli.Semantic proximity Read ↗

Transcriptional regulation of molybdoenzyme synthesis in Escherichia coli in response to molybdenum: ModE-molybdate, a repressor of the modABCD (molybdate transport) operon is a secondary transcriptional activator for the hyc and nar operons.Semantic proximity Read ↗

Molybdate and regulation of mod (molybdate transport), fdhF, and hyc (formate hydrogenlyase) operons in Escherichia coli.Semantic proximity Read ↗

Properties of the periplasmic ModA molybdate-binding protein of Escherichia coli.Semantic proximity Read ↗

The modE gene product mediates molybdenum-dependent expression of genes for the high-affinity molybdate transporter and modG in Azotobacter vinelandii.Semantic proximity Read ↗

Mutational analysis of genes of the mod locus involved in molybdenum transport, homeostasis, and processing in Azotobacter vinelandii.Semantic proximity Read ↗

Isolation of Escherichia coli mutants defective in uptake of molybdate.Semantic proximity Read ↗

Identification of a new gene, molR, essential for utilization of molybdate by Escherichia coli.Semantic proximity Read ↗

N-terminal truncations in the FhlA protein result in formate- and MoeA-independent expression of the hyc (formate hydrogenlyase) operon of Escherichia coli.Semantic proximity Read ↗

Characterization of a mutant of Chlamydomonas reinhardtii deficient in the molybdenum cofactor.Semantic proximity Read ↗

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