ArticleMolecular microbiology2018
Novel dual regulators of Pseudomonas aeruginosa essential for productive biofilms and virulence.
Article in Molecular microbiology, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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Who cites it
13 citing papers in PubMed, 21 citations in OpenAlex.
- Contact Lens Wear Alters Transcriptional Responses to Pseudomonas aeruginosa in Both the Corneal Epithelium and the Bacteria.Investigative ophthalmology & visual science · 2025Article
- Contact Lens Wear Alters Transcriptional Responses tobioRxiv : the preprint server for biology · 2024Article
- The role of cydB gene in the biofilm formation by Campylobacter jejuni.Scientific reports · 2024Article
- The role ofResearch square · 2024Article
- Comparative genomics reveals distinct diversification patterns among LysR-type transcriptional regulators in the ESKAPE pathogenMicrobial genomics · 2024Article
- TetR-like regulator BP1026B_II1561 controls aromatic amino acid biosynthesis and intracellular pathogenesis inFrontiers in microbiology · 2024Article
- Review
- Application of the Nicoya OpenSPR to Studies of Biomolecular Binding: A Review of the Literature from 2016 to 2022.Sensors (Basel, Switzerland) · 2023Review
- Viral community analysis in a marine oxygen minimum zone indicates increased potential for viral manipulation of microbial physiological state.The ISME journal · 2022Article
- The LysR-Type Transcriptional Regulator BsrA (PA2121) Controls Vital Metabolic Pathways inmSystems · 2021Article
- Identification of a PadR-type regulator essential for intracellular pathogenesis of Burkholderia pseudomallei.Scientific reports · 2021Article
- Two Regulators, PA3898 and PA2100, Modulate the Pseudomonas aeruginosa Multidrug Resistance MexAB-OprM and EmrAB Efflux Pumps and Biofilm Formation.Antimicrobial agents and chemotherapy · 2018Article
- Persistence and Microevolution ofFrontiers in microbiology · 2018Article
Corrections and comments
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Authors and funding
10 authors at 2 institutions in 2 countries.
Funding
Abstract
Gene regulation network in Pseudomonas aeruginosa is complex. With a relatively large genome (6.2 Mb), there is a significant portion of genes that are proven or predicted to be transcriptional regulators. Many of these regulators have been shown to play important roles in biofilm formation and maintenance. In this study, we present a novel transcriptional regulator, PA1226, which modulates biofilm formation and virulence in P. aeruginosa. Mutation in the gene encoding this regulator abolished the ability of P. aeruginosa to produce biofilms in vitro, without any effect on the planktonic growth. This regulator is also essential for the in vivo fitness and pathogenesis in both Drosophila melanogaster and BALB/c mouse lung infection models. Transcriptome analysis revealed that PA1226 regulates many essential virulence genes/pathways, including those involved in alginate, pili, and LPS biosynthesis. Genes/operons directly regulated by PA1226 and potential binding sequences were identified via ChIP-seq. Attempts to confirm the binding sequences by electrophoretic mobility shift assay led to the discovery of a co-regulator, PA1413, via co-immunoprecipitation assay. PA1226 and PA1413 were shown to bind collaboratively to the promoter regions of their regulons. A model is proposed, summarizing our finding on this novel dual-regulation system.
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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.