A rationale for autoinduction of a transcriptional activator: ethanolamine ammonia-lyase (EutBC) and the operon activator (EutR) compete for adenosyl-cobalamin in Salmonella typhimurium.

doi:10.1128/jb.176.5.1287-1296.1994

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Article

A rationale for autoinduction of a transcriptional activator: ethanolamine ammonia-lyase (EutBC) and the operon activator (EutR) compete for adenosyl-cobalamin in Salmonella typhimurium.

Journal of bacteriology - 1 Mar 1994

Sheppard D E, Roth J R

Abstract excerpt

The ethanolamine utilization (eut) operon of Salmonella typhimurium is controlled by a positive regulatory protein (EutR) which stimulates eut operon expression in response to the simultaneous presence of two effectors, ethanolamine and adenosyl-cobalamin (Ado-B12). Ado-B12 is a cofactor for etha...

Topics

Bacterial Proteins
Cobamides
Ethanolamine Ammonia-Lyase
Gene Expression Regulation, Bacterial
Genotype
Kinetics
Mutagenesis, Site-Directed
Operon
Point Mutation
Recombinant Fusion Proteins
Salmonella typhimurium
Trans-Activators
beta-Galactosidase

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Identifiers

PMID: 8113167
DOI: 10.1128/jb.176.5.1287-1296.1994
PMCID: PMC205191

Provenance

PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 30 Aug 2026. Prepared record publication-8113167-2026-08-30.1. Manifest publication-graph-cohort-2026-08-30.1.

Source receipt: PubMed via Helena Literature Corpus, retrieved 30 Aug 2026.

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