2013
The Biology of the PmrA/PmrB Two-Component System: The Major Regulator of Lipopolysaccharide Modifications
Chen HD, Groisman EA. The Biology of the PmrA/PmrB Two-Component System: The Major Regulator of Lipopolysaccharide Modifications. Annual Review Of Microbiology 2013, 67: 83-112. PMID: 23799815, PMCID: PMC8381567, DOI: 10.1146/annurev-micro-092412-155751.Peer-Reviewed Original ResearchConceptsPmrA/PmrBTwo-component systemPmrA/PmrB systemMajor regulatorEnteric pathogen Salmonella entericaGene expression outputPathogen Salmonella entericaTranscriptional regulatorsExpression outputEcological nichesOuter membraneRelated bacteriaLPS modificationsExtent bacteriaLipopolysaccharide modificationDifferential survivalRegulatorHost immune systemNegative bacteriaSalmonella entericaBacteriaBiologyPmrBQuantitative differencesImmune system
2012
Reciprocal Control between a Bacterium's Regulatory System and the Modification Status of Its Lipopolysaccharide
Kato A, Chen HD, Latifi T, Groisman EA. Reciprocal Control between a Bacterium's Regulatory System and the Modification Status of Its Lipopolysaccharide. Molecular Cell 2012, 47: 897-908. PMID: 22921935, PMCID: PMC3465083, DOI: 10.1016/j.molcel.2012.07.017.Peer-Reviewed Original Research
2008
The PhoQ/PhoP Regulatory Network of Salmonella enterica
Kato A, Groisman EA. The PhoQ/PhoP Regulatory Network of Salmonella enterica. Advances In Experimental Medicine And Biology 2008, 631: 7-21. PMID: 18792679, DOI: 10.1007/978-0-387-78885-2_2.Peer-Reviewed Original ResearchConceptsTwo-component regulatory systemPathogen Salmonella enterica serovar TyphimuriumEnteric pathogen Salmonella enterica serovar TyphimuriumDistinct expression levelsPhoQ/PhoPTwo-component systemSalmonella enterica serovar TyphimuriumBacterial cell surfacePhoQ proteinPhoP proteinResponse regulatorTranscriptional cascadeConnector proteinEnterica serovar TyphimuriumPromoter structureRegulatory networksTranscription factorsSalmonella genesRegulatory architectureSalmonella lifestyleMajor regulatorExpression propertiesCell surfaceModifies expressionRegulatory system
2005
Virulence and drug resistance roles of multidrug efflux systems of Salmonella enterica serovar Typhimurium
Nishino K, Latifi T, Groisman EA. Virulence and drug resistance roles of multidrug efflux systems of Salmonella enterica serovar Typhimurium. Molecular Microbiology 2005, 59: 126-141. PMID: 16359323, DOI: 10.1111/j.1365-2958.2005.04940.x.Peer-Reviewed Original ResearchConceptsDrug efflux systemsEfflux systemSalmonella virulenceEscherichia coli homologueToxic compound extrusionResponse regulator PhoPATP-binding cassette (ABC) superfamiliesPhoP/PhoQOuter membrane componentsAmino acid sequenceDrug resistance rolesTwo-component systemSalmonella enterica serovar TyphimuriumGram-negative speciesMultidrug efflux systemsSame operonEnterica serovar TyphimuriumRegulator PhoPCompound extrusionAcid sequenceMajor facilitatorEfflux system genesPromoter regionVirulence phenotypesMajor regulator
2002
Fe(III)‐mediated cellular toxicity
Chamnongpol S, Dodson W, Cromie MJ, Harris ZL, Groisman EA. Fe(III)‐mediated cellular toxicity. Molecular Microbiology 2002, 45: 711-719. PMID: 12139617, DOI: 10.1046/j.1365-2958.2002.03041.x.Peer-Reviewed Original ResearchConceptsIsogenic wild-type strainSignal transduction systemWild-type strainGram-negative speciesPmrA mutantOuter membraneIron-mediated toxicityTransduction systemMicrobicidal activityBacterial survivalMajor regulatorCell deathPmrA geneIron homeostasisMutantsEscherichia coliSalmonella mutantsDeleterious metalsCellular toxicitySalmonella entericaExcellent biocatalystAnaerobic conditionsGenesRegulatorSpecies
1997
The Salmonella selC locus contains a pathogenicity island mediating intramacrophage survival
Blanc‐Potard A, Groisman E. The Salmonella selC locus contains a pathogenicity island mediating intramacrophage survival. The EMBO Journal 1997, 16: 5376-5385. PMID: 9311997, PMCID: PMC1170169, DOI: 10.1093/emboj/16.17.5376.Peer-Reviewed Original ResearchMeSH KeywordsAdenosine TriphosphatasesAnimalsBacterial ProteinsBase SequenceCarrier ProteinsCation Transport ProteinsCulture MediaEscherichia coliEscherichia coli ProteinsFemaleGenes, BacterialMacrophagesMagnesiumMembrane Transport ProteinsMiceMice, Inbred BALB CMolecular Sequence DataMultigene FamilyMutationOperonPhenotypeRecombination, GeneticRNA, TransferSalmonella Infections, AnimalSalmonella typhimuriumConceptsPathogenicity islandSelC locusIntramacrophage survivalSalmonella typhimurium chromosomePhoP/PhoQKb DNA segmentVirulence genesNon-pathogenic bacterial speciesTwo-component systemSite of integrationChromosomal clustersTRNA locusVirulence functionsDNA segmentsSalmonella virulenceHomologous regionsMajor regulatorBacterial speciesLociEnteric bacteriaEscherichia coliGenesBenign strainsLow Mg2Virulence