2025
Nongenetic adaptation by collective migration
Vo L, Avgidis F, Mattingly H, Edmonds K, Burger I, Balasubramanian R, Shimizu T, Kazmierczak B, Emonet T. Nongenetic adaptation by collective migration. Proceedings Of The National Academy Of Sciences Of The United States Of America 2025, 122: e2423774122. PMID: 39970001, PMCID: PMC11874451, DOI: 10.1073/pnas.2423774122.Peer-Reviewed Original ResearchConceptsGene regulationCollective migrationPhenotype distributionPhenotypic compositionStress response pathwaysSwimming phenotypeCell populationsBacterial populationsStress responseAbundance distributionMultidimensional phenotypesGenetic mutationsPhenotypeDiverse environmentsEnvironmental conditionsGenesMutationsSwimming behaviorChanging environmentDoubling timeMigrating populationCellsRegulationMigrationAdaptation
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
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
1993
Analysis of the structure and subcellular location of filamentous phage pIV
Russel M, KaĹşmierczak B. Analysis of the structure and subcellular location of filamentous phage pIV. Journal Of Bacteriology 1993, 175: 3998-4007. PMID: 8320216, PMCID: PMC204828, DOI: 10.1128/jb.175.13.3998-4007.1993.Peer-Reviewed Original ResearchMeSH KeywordsAlkaline PhosphataseBacterial ProteinsCell CompartmentationColiphagesDNA Mutational AnalysisGene Expression Regulation, BacterialGenes, ViralHeat-Shock ProteinsMembrane ProteinsMutationOperonRecombinant Fusion ProteinsSequence DeletionSequence Homology, Amino AcidSpheroplastsSubcellular FractionsViral ProteinsVirus ReplicationConceptsMembrane localization domainIntegral membrane proteinsSubstrate-binding domainAmino-terminal halfCarboxy-terminal halfSeries of genesCell fractionation studiesCytoplasmic domainPhage assemblyDeletion mutantsMembrane proteinsSubcellular locationLocalization domainFusion proteinFractionation studiesFilamentous phagePhosphatase activityFilamentous bacteriophageAlkaline phosphatase activityMissense mutationsProteinAssemblyDomainMutantsGenes
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