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Article

Translational regulation of the Escherichia coli stress factor RpoS: a role for SsrA and Lon.

Journal of bacteriology - 1 Jul 2007

Ranquet Caroline, Gottesman Susan

Abstract excerpt

Escherichia coli cell viability during starvation is strongly dependent on the expression of the rpoS gene, encoding the RpoS sigma subunit of RNA polymerase. RpoS abundance has been reported to be regulated at many levels, including transcription initiation, translation, and protein stability. The regulatory RNA SsrA (or tmRNA) has both tRNA and mRNA activities, relieving ribosome stalling and cotranslationally...

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Identifiers

PMID: 17449615
DOI: 10.1128/JB.01838-06
PMCID: PMC1913435

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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.

Related research

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Research trail→

Click a neighbor to travelStep 1 · 12 closest

Translational regulation of the Escherichia coli stress factor RpoS: a role for SsrA and Lon.PMID 17449615Read ↗

Regulation of RpoS by a novel small RNA: the characterization of RprA.Semantic proximity Read ↗

Stress sigma factor RpoS degradation and translation are sensitive to the state of central metabolism.Semantic proximity Read ↗

Translational activation by the noncoding RNA DsrA involves alternative RNase III processing in the rpoS 5'-leader.Semantic proximity Read ↗

Duplex formation between the sRNA DsrA and rpoS mRNA is not sufficient for efficient RpoS synthesis at low temperature.Semantic proximity Read ↗

The response regulator RssB controls stability of the sigma(S) subunit of RNA polymerase in Escherichia coli.Semantic proximity Read ↗

The LysR-like regulator LeuO in Escherichia coli is involved in the translational regulation of rpoS by affecting the expression of the small regulatory DsrA-RNA.Semantic proximity Read ↗

An RpoS-dependent sRNA regulates the expression of a chaperone involved in protein foldingSemantic proximity Read ↗

RpoS synthesis is growth rate regulated in Salmonella typhimurium, but its turnover is not dependent on acetyl phosphate synthesis or PTS function.Semantic proximity Read ↗

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Genome-Wide Transcriptional Response to Varying RpoS Levels in Escherichia coli K-12.Semantic proximity Read ↗

Suppression by enhanced RpoE activity of the temperature-sensitive phenotype of a degP ssrA double mutant in Escherichia coli.Semantic proximity Read ↗

Turn-over of the small non-coding RNA RprA in E. coli is influenced by osmolarity.Semantic proximity Read ↗

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