2020
A Screen for Antibiotic Resistance Determinants Reveals a Fitness Cost of the Flagellum in Pseudomonas aeruginosa
Rundell EA, Commodore N, Goodman AL, Kazmierczak BI. A Screen for Antibiotic Resistance Determinants Reveals a Fitness Cost of the Flagellum in Pseudomonas aeruginosa. Journal Of Bacteriology 2020, 202: 10.1128/jb.00682-19. PMID: 31871033, PMCID: PMC7043666, DOI: 10.1128/jb.00682-19.Peer-Reviewed Original ResearchConceptsFlagellar assemblyFitness advantageFitness costsCell envelopeOuter membrane barrier functionOuter membrane biogenesisUnbiased high-throughput approachOuter membrane barrierMembrane barrier functionHigh-throughput approachMembrane biogenesisGram-negative bacteriaFlagellar functionInsertion sequencingOuter membraneGene productsPresence of linezolidPresence of antibioticsAntibiotic resistance determinantsMembrane barrierAntibiotic entryFitnessEfflux pumpsGlycopeptide antibiotic vancomycinGenes
2018
Host suppression of quorum sensing during catheter-associated urinary tract infections
Cole SJ, Hall CL, Schniederberend M, Farrow III JM, Goodson JR, Pesci EC, Kazmierczak BI, Lee VT. Host suppression of quorum sensing during catheter-associated urinary tract infections. Nature Communications 2018, 9: 4436. PMID: 30361690, PMCID: PMC6202348, DOI: 10.1038/s41467-018-06882-y.Peer-Reviewed Original ResearchConceptsCatheter-associated urinary tract infectionsUrinary tract infectionTract infectionsChronic bacterial infectionP. aeruginosaAntibiotic therapyUrinary tractDevice-associated biofilmsMurine modelHost immunityClinical isolatesBacterial infectionsInfectionPseudomonas aeruginosaUrineAeruginosaTherapyRegulated genesImmunityTract
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