2019
Bactericidal Activity of Lactic Acid against Clinical, Carbapenem-Hydrolyzing, Multi-Drug-Resistant Klebsiella pneumoniae Planktonic and Biofilm-Forming Cells
Bardhan T, Chakraborty M, Bhattacharjee B. Bactericidal Activity of Lactic Acid against Clinical, Carbapenem-Hydrolyzing, Multi-Drug-Resistant Klebsiella pneumoniae Planktonic and Biofilm-Forming Cells. Antibiotics 2019, 8: 181. PMID: 31600988, PMCID: PMC6963607, DOI: 10.3390/antibiotics8040181.Peer-Reviewed Original ResearchBiofilm-forming cellsPlanktonic cellsLactic acidEfficacy of lactic acidCarbapenem-resistant <i>Klebsiella pneumoniae</i>Time-kill assayOptimal incubation timeClinical isolatesBiofilm formsColony-forming unit countsInhibitory concentrationPreterm neonatesPlanktonBactericidal activityEfficacy parametersIsolatesIncubation timeCell countBiofilmWorld Health OrganizationUnit countsCellsCell damageGraded seriesHealth Organization
2017
Extracellular-matrix-mediated osmotic pressure drives Vibrio cholerae biofilm expansion and cheater exclusion
Yan J, Nadell CD, Stone HA, Wingreen NS, Bassler BL. Extracellular-matrix-mediated osmotic pressure drives Vibrio cholerae biofilm expansion and cheater exclusion. Nature Communications 2017, 8: 327. PMID: 28835649, PMCID: PMC5569112, DOI: 10.1038/s41467-017-00401-1.Peer-Reviewed Original ResearchConceptsBiofilm-forming bacterial speciesSurface-attached communitiesVibrio choleraeActive cell growthModel organismsMatrix-producing cellsBacterial lifeNutrient uptakeEnvironmental perturbationsBacterial speciesBacterial cellsPlanktonic cellsSubmerged biofilmsExtracellular matrixCell growthMatrix productionOsmotic pressureBiofilm growthBiofilmsCholeraeCellsPhysical exclusionMatrix crosslinkingOsmotic swellingGrowth
2014
Dynamic Changes in the Streptococcus pneumoniae Transcriptome during Transition from Biofilm Formation to Invasive Disease upon Influenza A Virus Infection
Pettigrew MM, Marks LR, Kong Y, Gent JF, Roche-Hakansson H, Hakansson AP. Dynamic Changes in the Streptococcus pneumoniae Transcriptome during Transition from Biofilm Formation to Invasive Disease upon Influenza A Virus Infection. Infection And Immunity 2014, 82: 4607-4619. PMID: 25135685, PMCID: PMC4249342, DOI: 10.1128/iai.02225-14.Peer-Reviewed Original ResearchConceptsWhole transcriptome shotgun sequencingPneumococcal transcriptomeTransparent colony phenotypeVirus infectionTranscriptional differencesShotgun sequencingUpregulated genesFebrile range temperaturesColony phenotypeInfluenza A Virus InfectionNutrient availabilityTranscriptomeS. pneumoniae pathogenesisA virus infectionProduction of bacteriocinsHost immune responsePlanktonic cellsBiofilm formationGenesPlanktonic bacteriaBiofilm bacteriaExtracellular ATPCarbohydrate metabolismBacteriaEnzymatic assay
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