ArticleScientific reports2019
Connected partner-switches control the life style of Pseudomonas aeruginosa through RpoS regulation.
Article in Scientific reports, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed, 29 citations in OpenAlex.
- Bio-informed synthesis of marine-sourced indole derivatives: suppressing gram-negative bacteria biofilm and virulence.BMC biology · 2025Article
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- A unique sigma/anti-sigma system in the actinomycete Actinoplanes missouriensis.Nature communications · 2023Article
- FightingInternational journal of molecular sciences · 2023Article
- Transcriptional Regulators Controlling Virulence inInternational journal of molecular sciences · 2023Review
- Molecular Relationships in Biofilm Formation and the Biosynthesis of Exoproducts in Pseudoalteromonas spp.Marine biotechnology (New York, N.Y.) · 2022Review
- Pathogenesis of thePathogens (Basel, Switzerland) · 2022Review
- Global identification of RsmA/N binding sites inRNA biology · 2021Article
- RetS inhibits Pseudomonas aeruginosa biofilm formation by disrupting the canonical histidine kinase dimerization interface of GacS.The Journal of biological chemistry · 2021Article
- Specific and Global RNA Regulators inInternational journal of molecular sciences · 2021Review
- Review
Corrections and comments
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Authors and funding
5 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Biofilm formation is a complex process resulting from the action of imbricated pathways in response to environmental cues. In this study, we showed that biofilm biogenesis in the opportunistic pathogen Pseudomonas aeruginosa depends on the availability of RpoS, the sigma factor regulating the general stress response in bacteria. Moreover, it was demonstrated that RpoS is post-translationally regulated by the HsbR-HsbA partner switching system as has been demonstrated for its CrsR-CrsA homolog in Shewanella oneidensis. Finally, it was established that HsbA, the anti-sigma factor antagonist, has a pivotal role depending on its phosphorylation state since it binds HsbR, the response regulator, when phosphorylated and FlgM, the anti-sigma factor of FliA, when non-phosphorylated. The phosphorylation state of HsbA thus drives the switch between the sessile and planktonic way of life of P. aeruginosa by driving the release or the sequestration of one or the other of these two sigma factors.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.