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Cited by 346

The DOI matches its Crossref record; 61 of the 61 references it cites were found in a registry or an index.

Determination of the regulon and identification of novel mRNA targets of Pseudomonas aeruginosa RsmA

Open access
Brencic, Anja, Lory, Stephen·2009·Molecular Microbiology

Abstract

Summary: One of the prokaryotic post‐transcriptional regulatory mechanisms involves the CsrA/RsmA family of proteins that act by modulating translation initiation at target mRNAs. In this study, we identified the regulon of RsmA of the Pseudomonas aeruginosa PAK strain by using cultures in the stationary phase of growth. The RsmA regulon includes over 500 genes, of which approximately one‐third were affected by an rsmA mutation negatively, while the rest were affected positively. By isolating RsmA/mRNA complexes, analysing transcriptional and translational fusions, and performing gel‐shift analyses, we identified 40 genes in six operons that are regulated by RsmA directly at the level of translation. All of these genes were affected by RsmA negatively and include genes encoding the type VI secretion system HSI‐I, which has been implicated in the P. aeruginosa chronic infections. On the other hand, we were unable to demonstrate a direct interaction of RsmA with transcripts that are positively affected by this protein, including mRNAs encoding the type III secretion system and the type IV pili genes. Our work supports a model in which RsmA acts as a negative translational regulator, and where its positive effects are achieved indirectly by RsmA‐mediated interference with translation of specific regulatory factors.

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Crossref · 10.1111/j.1365-2958.2009.06670.x

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Metadata

Authors
Brencic, A., & Lory, S.
Venue
Molecular Microbiology
Publisher
Wiley
Published
2009-04-21
Volume
72
Issue
3
Pages
612-632
ISSN
  • 0950-382X (ISSN-L)
  • 1365-2958
OpenAlex
W2120697993
Cited by
346
References
61
FWCI
14.44
Type
journal article
Language
en
Open access
green

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Brencic, A., & Lory, S. (2009). Determination of the regulon and identification of novel mRNA targets of Pseudomonas aeruginosa RsmA. Molecular Microbiology. https://doi.org/10.1111/j.1365-2958.2009.06670.x

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

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