2020
Hfq and sRNA 179 Inhibit Expression of the Pseudomonas aeruginosa cAMP-Vfr and Type III Secretion Regulons
Janssen KH, Corley JM, Djapgne L, Cribbs JT, Voelker D, Slusher Z, Nordell R, Regulski EE, Kazmierczak BI, McMackin EW, Yahr TL. Hfq and sRNA 179 Inhibit Expression of the Pseudomonas aeruginosa cAMP-Vfr and Type III Secretion Regulons. MBio 2020, 11: 10.1128/mbio.00363-20. PMID: 32546612, PMCID: PMC7298702, DOI: 10.1128/mbio.00363-20.Peer-Reviewed Original ResearchMeSH KeywordsBacterial ProteinsCyclic AMP Receptor ProteinCyclic AMP-Dependent Protein KinasesGene Expression Regulation, BacterialGene LibraryHost Factor 1 ProteinPromoter Regions, GeneticPseudomonas aeruginosaRegulonRNA, BacterialRNA, Small UntranslatedTranscription, GeneticType III Secretion SystemsVirulence FactorsConceptsSmall noncoding RNAsType III secretion systemSecretion systemNoncoding RNAsGene expressionTranscription factorsExpression libraryGac/Rsm systemType VI secretion systemT3SS gene expressionCAMP-responsive transcription factorRNA-binding proteinVirulence factorsGram-negative opportunistic pathogenRNA chaperonesGlobal regulatorT3SS regulonMutant lackingTarget mRNAsCritical virulence factorImportant virulence factorMRNA targetsHfqRegulonRsm system
2009
Pseudomonas aeruginosa OspR is an oxidative stress sensing regulator that affects pigment production, antibiotic resistance and dissemination during infection
Lan L, Murray TS, Kazmierczak BI, He C. Pseudomonas aeruginosa OspR is an oxidative stress sensing regulator that affects pigment production, antibiotic resistance and dissemination during infection. Molecular Microbiology 2009, 75: 76-91. PMID: 19943895, PMCID: PMC2881571, DOI: 10.1111/j.1365-2958.2009.06955.x.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SubstitutionAnimalsAnti-Bacterial AgentsBeta-Lactam ResistanceBeta-LactamsFemaleGene DeletionGene Expression Regulation, BacterialGlutathione PeroxidaseHydrogen PeroxideMiceMice, Inbred C57BLModels, BiologicalMutagenesis, Site-DirectedOxidative StressPigments, BiologicalPneumoniaPseudomonas aeruginosaPseudomonas InfectionsQuorum SensingRepressor ProteinsSignal TransductionStress, PhysiologicalTyrosineVirulenceConceptsOxidative stress sensingCys-24Stress sensingPigment productionNull mutant strainOxidative stressSerine substitution mutantsGlobal regulatorPromoter DNASubstitution mutantsAdditional genesInside hostsQuorum sensingCys residuesMutant strainConstitutive expressionMultiple pathwaysRegulatory effectsBeta-lactam resistanceGenesSignificant inductionRegulatorTyrosine metabolismOSPRP. aeruginosa