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
2007
Pseudomonas aeruginosa chronic colonization in cystic fibrosis patients
Murray TS, Egan M, Kazmierczak BI. Pseudomonas aeruginosa chronic colonization in cystic fibrosis patients. Current Opinion In Pediatrics 2007, 19: 83-88. PMID: 17224667, DOI: 10.1097/mop.0b013e3280123a5d.Peer-Reviewed Original ResearchConceptsCystic fibrosis patientsChronic colonizationAcute infectionFibrosis patientsCystic fibrosisP. aeruginosaChronic pulmonary colonizationChronic pulmonary diseaseCystic fibrosis airwayHost immune systemMucoid P. aeruginosaP. aeruginosa behaviorCystic fibrosis lungPulmonary diseaseClinical benefitChronic infectionP. aeruginosa pathogenesisLeading causePulmonary colonizationNew therapiesImmune systemAggressive usePotential therapeuticsInfectionPatients
2006
Analysis of FimX, a phosphodiesterase that governs twitching motility in Pseudomonas aeruginosa
Kazmierczak BI, Lebron MB, Murray TS. Analysis of FimX, a phosphodiesterase that governs twitching motility in Pseudomonas aeruginosa. Molecular Microbiology 2006, 60: 1026-1043. PMID: 16677312, PMCID: PMC3609419, DOI: 10.1111/j.1365-2958.2006.05156.x.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBacterial ProteinsCell MovementCyclic GMPEscherichia coli ProteinsFemaleFimbriae, BacterialHeLa CellsHumansMiceMice, Inbred C57BLPhosphoric Diester HydrolasesPhosphorus-Oxygen LyasesPneumonia, BacterialPoint MutationProtein Structure, TertiaryPseudomonas aeruginosaSequence DeletionVirulenceConceptsEAL domainBacterial poleGGDEF-EAL proteinsCyclic dimeric guanosine monophosphateDiguanylate cyclase activityPolar surface structuresType IV piliWild-type strainGGDEF domainDiguanylate cyclasesREC domainLocalization signalPilus assemblyGGDEFNon-polar sitesFimXSurface piliPseudomonas aeruginosaPhosphodiesterase activityBiofilm formationProteinMutantsPiliMotilityDomain