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
2019
In Situ Structures of Polar and Lateral Flagella Revealed by Cryo-Electron Tomography
Zhu S, Schniederberend M, Zhitnitsky D, Jain R, Galán JE, Kazmierczak BI, Liu J. In Situ Structures of Polar and Lateral Flagella Revealed by Cryo-Electron Tomography. Journal Of Bacteriology 2019, 201: 10.1128/jb.00117-19. PMID: 31010901, PMCID: PMC6560136, DOI: 10.1128/jb.00117-19.Peer-Reviewed Original ResearchConceptsCryo-electron tomographyBacterial flagellaFlagellar assemblyPolar flagellumPeritrichous flagellaSerovar TyphimuriumSpecies-specific featuresBacterial pathogensOuter membrane complexSelf-assembling nanomachineFlagellar systemFlagellar structureFlagellar numberSubtomogram averagingMembrane complexLateral flagellaStructural basisDistinct flagellaMolecular machinesFlagellaSitu structureModel systemPseudomonasTyphimuriumRange of variation
2013
Spatial and numerical regulation of flagellar biosynthesis in polarly flagellated bacteria
Kazmierczak BI, Hendrixson DR. Spatial and numerical regulation of flagellar biosynthesis in polarly flagellated bacteria. Molecular Microbiology 2013, 88: 655-663. PMID: 23600726, PMCID: PMC3654036, DOI: 10.1111/mmi.12221.Peer-Reviewed Original ResearchConceptsPolar flagellatesFlagellar assemblyProper cell divisionRotation of flagellaFlagellar biosynthesisFlagellation patternsGram-negative bacteriaPeritrichous flagellaOrganelle numberCell divisionCell biologyFlhGFlhFBacterial speciesBacterial cellsFlagellatesFlagellaDifferent bacteriaMechanistic insightsProteinBacteriaRecent findingsSpeciesSpecific activityDistinct patterns
2012
The GTPase Activity of FlhF Is Dispensable for Flagellar Localization, but Not Motility, in Pseudomonas aeruginosa
Schniederberend M, Abdurachim K, Murray TS, Kazmierczak BI. The GTPase Activity of FlhF Is Dispensable for Flagellar Localization, but Not Motility, in Pseudomonas aeruginosa. Journal Of Bacteriology 2012, 195: 1051-1060. PMID: 23264582, PMCID: PMC3571332, DOI: 10.1128/jb.02013-12.Peer-Reviewed Original ResearchConceptsFlagellar functionGTPase activityOpportunistic human pathogen Pseudomonas aeruginosaHuman pathogen Pseudomonas aeruginosaSignal recognition particlePathogen Pseudomonas aeruginosaSingle-cell assaysFlhF proteinFlagellar localizationFlagellar assemblyRecognition particleAbiotic environmentProtein dimerizationFlagellar rotationNucleotide bindingFlhFPoint mutantsSurface organellesSwimming motilityBacterial motilityP. aeruginosaBacillus subtilisPseudomonas aeruginosaEnzymatic activityHydrolytic activity
2006
FlhF Is Required for Swimming and Swarming in Pseudomonas aeruginosa
Murray TS, Kazmierczak BI. FlhF Is Required for Swimming and Swarming in Pseudomonas aeruginosa. Journal Of Bacteriology 2006, 188: 6995-7004. PMID: 16980502, PMCID: PMC1595508, DOI: 10.1128/jb.00790-06.Peer-Reviewed Original ResearchConceptsWild-type bacteriaAssembly of flagellaRod-shaped organismExpression of flagellinFlhF proteinFlagellar assemblyFlagellar genesFlagellar poleFlhFFlagellin expressionMonotrichous bacteriaDecreased transcriptionCell surfaceBacteria resultsBacteriaLiquid mediumTranscriptionFlagellaOrganismsProteinDifferent motility patternsAberrant placementPseudomonas aeruginosaMotilityExpression