2013
The lipopolysaccharide modification regulator PmrA limits Salmonella virulence by repressing the type three-secretion system Spi/Ssa
Choi J, Groisman EA. The lipopolysaccharide modification regulator PmrA limits Salmonella virulence by repressing the type three-secretion system Spi/Ssa. Proceedings Of The National Academy Of Sciences Of The United States Of America 2013, 110: 9499-9504. PMID: 23690578, PMCID: PMC3677452, DOI: 10.1073/pnas.1303420110.Peer-Reviewed Original ResearchConceptsPmrA proteinNull mutantsSalmonella virulenceThree secretion systemVirulence regulatory genesSalmonella enterica serovar TyphimuriumWild-type SalmonellaEnterica serovar TyphimuriumPmrA mutantRegulatory genesProtein bindsModification genesMurine typhoid feverControl expressionLPS modificationsPmrA geneMutantsGenesSerovar TyphimuriumPathogen persistenceAntimicrobial peptidesHost tissuesPromoterVirulenceProtein
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 ResearchMeSH KeywordsBacterial ProteinsBinding SitesComputer SimulationDimerizationDNAElectrophoretic Mobility Shift AssayProtein Interaction MappingProtein Structure, TertiarySalmonella entericaSignal TransductionConceptsTwo-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
2008
RstA-Promoted Expression of the Ferrous Iron Transporter FeoB under Iron-Replete Conditions Enhances Fur Activity in Salmonella enterica
Jeon J, Kim H, Yun J, Ryu S, Groisman EA, Shin D. RstA-Promoted Expression of the Ferrous Iron Transporter FeoB under Iron-Replete Conditions Enhances Fur Activity in Salmonella enterica. Journal Of Bacteriology 2008, 190: 7326-7334. PMID: 18790861, PMCID: PMC2576650, DOI: 10.1128/jb.00903-08.Peer-Reviewed Original ResearchMeSH KeywordsBacterial ProteinsBlotting, WesternElectrophoretic Mobility Shift AssayGene ExpressionGene Expression ProfilingGene Expression Regulation, BacterialIronIron DeficienciesOligonucleotide Array Sequence AnalysisOperonPromoter Regions, GeneticProtein BindingRepressor ProteinsReverse Transcriptase Polymerase Chain ReactionSalmonella entericaTranscription, GeneticConceptsFerrous iron transporter FeoBFur proteinIron-replete conditionsFur activityTarget genesIron-responsive genesWild-type levelsFerrous iron uptakeFeoAB operonFur geneTranscriptional activationIron acquisitionExpression experimentsRegulatory pathwaysTranscription levelsIron uptakeGenesPrimary regulatorRstAProteinFeOBRepressionSalmonella entericaPromoterExpression