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Article

A small RNA downregulates LamB maltoporin in Salmonella.

Molecular microbiology - 1 Aug 2007

Bossi Lionello, Figueroa-Bossi Nara

Abstract excerpt

In Escherichia coli and Salmonella enterica, activation of sigma(E)-dependent envelope stress response leads to the abrupt decline in the synthesis of all major outer membrane proteins (OMPs). Recent studies found that two sigma(E)-controlled small RNAs (sRNAs), MicA and RybB, downregulate a number of OMPs. While RybB targets several different mRNAs, including ompC and ompD, MicA was up to date thought to act...

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Methodology Data sources Editorial policy Privacy Delete account & data About Contact Helena Bioinformatics

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Source

Identifiers

PMID: 17608792
DOI: 10.1111/j.1365-2958.2007.05829.x

Genes

OMP

Provenance

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

Semantic proximity does not establish scientific evidence. Graph snapshot: 2026-09-29.

Research trail→

Click a neighbor to travelStep 1 · 12 closest

A small RNA downregulates LamB maltoporin in Salmonella.PMID 17608792Read ↗

Loss of Hfq activates the sigmaE-dependent envelope stress response in Salmonella enterica.Semantic proximity Read ↗

Sigma E controls biogenesis of the antisense RNA MicA.Semantic proximity Read ↗

Porin biogenesis activates the sigma(E) response in Salmonella hfq mutants.Semantic proximity Read ↗

A conserved small RNA promotes silencing of the outer membrane protein YbfM.Semantic proximity Read ↗

Regulation of the small regulatory RNA MicA by ribonuclease III: a target-dependent pathway.Semantic proximity Read ↗

MicL, a new σE-dependent sRNA, combats envelope stress by repressing synthesis of Lpp, the major outer membrane lipoprotein.Semantic proximity Read ↗

The sRNA RyhB regulates the synthesis of the Escherichia coli methionine sulfoxide reductase MsrB but not MsrA.Semantic proximity Read ↗

Hfq and three Hfq-dependent small regulatory RNAs—MgrR, RyhB and McaS—coregulate the locus of enterocyte effacement in enteropathogenicEscherichia coliSemantic proximity Read ↗

PNPase is a key player in the regulation of small RNAs that control the expression of outer membrane proteins.Semantic proximity Read ↗

Recognition of heptameric seed sequence underlies multi-target regulation by RybB small RNA in Salmonella enterica.Semantic proximity Read ↗

Small RNA modules confer different stabilities and interact differently with multiple targets.Semantic proximity Read ↗

A small bacterial RNA regulates a putative ABC transporter.Semantic proximity Read ↗

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