2020
DNA supercoiling differences in bacteria result from disparate DNA gyrase activation by polyamines
Duprey A, Groisman EA. DNA supercoiling differences in bacteria result from disparate DNA gyrase activation by polyamines. PLOS Genetics 2020, 16: e1009085. PMID: 33125364, PMCID: PMC7598504, DOI: 10.1371/journal.pgen.1009085.Peer-Reviewed Original ResearchConceptsE. coli enzymeDNA supercoilingColi enzymeDNA supercoiling resultsGlobal DNA supercoilingDNA gyraseSignal transduction pathwaysAmino acid identityDNA gyrase activityE. coliSpecies Escherichia coliSalmonella enterica serovar TyphimuriumEnterica serovar TyphimuriumAcid identityTransduction pathwaysPrecursor putrescineGyrase activitySupercoilingHigh extracellular Mg2DNA gyrasesPolyamines spermidineEscherichia coliTopoisomerase ISerovar TyphimuriumDisparate activation
2012
Inhibition of Bacterial Virulence: Drug‐Like Molecules Targeting the Salmonella enterica PhoP Response Regulator
Tang YT, Gao R, Havranek JJ, Groisman EA, Stock AM, Marshall GR. Inhibition of Bacterial Virulence: Drug‐Like Molecules Targeting the Salmonella enterica PhoP Response Regulator. Chemical Biology & Drug Design 2012, 79: 1007-1017. PMID: 22339993, PMCID: PMC3445336, DOI: 10.1111/j.1747-0285.2012.01362.x.Peer-Reviewed Original ResearchConceptsTwo-component signal transductionResponse regulatorPhoP response regulatorHistidine kinaseBacterial virulenceGene expressionSensor histidine kinaseVirulence gene regulationSignal transduction systemSignal transduction pathwaysExpression of genesTCST systemsStructure-based virtual screeningGene regulationSignal transductionTranscription factorsTransduction pathwaysTransduction systemVirtual screeningBiophysical assaysAntibacterial developmentMode of actionExternal signalsRegulatorRegulatory system
2004
Involvement of Salmonella Pathogenicity Island 2 in the Up-Regulation of Interleukin-10 Expression in Macrophages: Role of Protein Kinase A Signal Pathway
Uchiya K, Groisman EA, Nikai T. Involvement of Salmonella Pathogenicity Island 2 in the Up-Regulation of Interleukin-10 Expression in Macrophages: Role of Protein Kinase A Signal Pathway. Infection And Immunity 2004, 72: 1964-1973. PMID: 15039316, PMCID: PMC375175, DOI: 10.1128/iai.72.4.1964-1973.2004.Peer-Reviewed Original ResearchConceptsSalmonella pathogenicity island 2Pathogenicity island 2Wild-type SalmonellaCyclic AMP response element binding proteinPKA activityProtein kinase A (PKA) signal pathwaySPI-2Island 2Signal transduction pathwaysProtein kinase A (PKA) inhibitor HResponse element-binding proteinA (PKA) inhibitor HElement-binding proteinFacultative intracellular bacteriaAMP response element binding proteinTransduction pathwaysSpiC genePKA activationSpiC mutantIntracellular bacteriaInhibitor HSignal pathwayCREB phosphorylationUp-RegulationPhosphorylation