2001
Role of tyrosine kinases and the tyrosine phosphatase SptP in the interaction of Salmonella with host cells
Murli S, Watson R, Galán J. Role of tyrosine kinases and the tyrosine phosphatase SptP in the interaction of Salmonella with host cells. Cellular Microbiology 2001, 3: 795-810. PMID: 11736992, DOI: 10.1046/j.1462-5822.2001.00158.x.Peer-Reviewed Original ResearchMeSH KeywordsActinsBacterial ProteinsCdc42 GTP-Binding ProteinCell NucleusCytoskeletonInterleukin-8Mitogen-Activated Protein Kinase 1Mitogen-Activated Protein Kinase 3Mitogen-Activated Protein KinasesPhosphorylationPhosphotyrosineProtein Tyrosine PhosphatasesProtein-Tyrosine KinasesSalmonellaSalmonella typhimuriumSignal TransductionSubstrate SpecificityTransfectionTyrosineVimentinConceptsTyrosine phosphatase activityBacterial proteinsCellular responsesPhosphatase activityTyrosine kinaseHost cellsType III secretion systemIntermediate filament protein vimentinCarboxy-terminal domainRho family GTPases Cdc42Actin cytoskeleton reorganizationCellular transcription factorsMAP kinase activationInteraction of SalmonellaMembrane rufflesGAP activitySpecialized organellesGTPases Cdc42Secretion systemTranscription factorsCytoskeleton reorganizationKinase activationProtein vimentinBacterial uptakeProteinSALMONELLA INTERACTIONS WITH HOST CELLS: Type III Secretion at Work
Galán J. SALMONELLA INTERACTIONS WITH HOST CELLS: Type III Secretion at Work. Annual Review Of Cell And Developmental Biology 2001, 17: 53-86. PMID: 11687484, DOI: 10.1146/annurev.cellbio.17.1.53.Peer-Reviewed Original ResearchConceptsBacterial proteinsBacterial pathogen Salmonella entericaHost cellsType III secretion systemActin cytoskeleton dynamicsType III secretionHost cell functionsPathogen Salmonella entericaMolecular tinkeringConvergent evolutionEndocytic traffickingCytoskeleton dynamicsSpecialized organellesCellular functionsSecretion systemMicrobial pathogenesisRemarkable pathogenHost proteinsSalmonella interactionsVertebrate hostsProteinRemarkable arrayCoordinated actionCell functionSalmonella entericaSalmonella entry into host cells: the work in concert of type III secreted effector proteins
Zhou D, Galán J. Salmonella entry into host cells: the work in concert of type III secreted effector proteins. Microbes And Infection 2001, 3: 1293-1298. PMID: 11755417, DOI: 10.1016/s1286-4579(01)01489-7.Peer-Reviewed Original ResearchConceptsActin cytoskeleton rearrangementCytoskeleton rearrangementActin dynamicsHost cellsHost actin dynamicsHost signal transductionType III secretion systemActin-binding proteinsSPI-1 type III secretion systemEffector proteinsSecretion systemSignal transductionActin rearrangementBacterial proteinsSalmonella entryIntestinal epithelial cellsBacterial uptakeCdc42Coordinated stepsProteinEpithelial cellsRacRearrangementCellsTransductionStructural mimicry in bacterial virulence
Stebbins C, Galán J. Structural mimicry in bacterial virulence. Nature 2001, 412: 701-705. PMID: 11507631, DOI: 10.1038/35089000.Peer-Reviewed Original ResearchConceptsAmino acid sequence similarityConvergent evolutionCellular functionsSequence similarityDirect homologuesBacterial virulenceHost proteinsNew effectorsMicrobial pathogensFunctional mimicryStructural mimicryMolecular levelVirulence factorsMimicryStructural studiesHost factorsImportant mechanismHost activityHomologuesVirulenceEffectorsProteinPathogensSimilarity
2000
Modulation of Host Signaling by a Bacterial Mimic Structure of the Salmonella Effector SptP Bound to Rac1
Stebbins C, Galán J. Modulation of Host Signaling by a Bacterial Mimic Structure of the Salmonella Effector SptP Bound to Rac1. Molecular Cell 2000, 6: 1449-1460. PMID: 11163217, DOI: 10.1016/s1097-2765(00)00141-6.Peer-Reviewed Original ResearchMeSH KeywordsAluminum CompoundsAmino Acid SequenceAmino Acid SubstitutionBacterial ProteinsBinding SitesCdc42 GTP-Binding ProteinCrystallography, X-RayDimerizationEvolution, MolecularFluoridesGTPase-Activating ProteinsGuanosine DiphosphateMacromolecular SubstancesModels, MolecularMolecular Sequence DataMutationProtein BindingProtein Structure, SecondaryProtein Structure, TertiaryProtein Tyrosine PhosphatasesRac1 GTP-Binding ProteinRecombinant Fusion ProteinsSalmonella typhimuriumSequence AlignmentSignal TransductionAlternative Strategies for Becoming an Insider Lessons from the Bacterial World
Galán J. Alternative Strategies for Becoming an Insider Lessons from the Bacterial World. Cell 2000, 103: 363-366. PMID: 11081622, DOI: 10.1016/s0092-8674(00)00127-6.Peer-Reviewed Original ResearchStriking a balance: Modulation of the actin cytoskeleton by Salmonella
Galán J, Zhou D. Striking a balance: Modulation of the actin cytoskeleton by Salmonella. Proceedings Of The National Academy Of Sciences Of The United States Of America 2000, 97: 8754-8761. PMID: 10922031, PMCID: PMC34008, DOI: 10.1073/pnas.97.16.8754.Peer-Reviewed Original ResearchConceptsType III secretion systemSecretion systemHost cellsBacterial entryGTP-binding protein Cdc42Bacterial effector proteinsInositol polyphosphate phosphatasePathogen/host relationshipActin cytoskeleton rearrangementHost cell cytosolStimulation of Cdc42Protein Cdc42Effector proteinsActin cytoskeletonExchange factorSpecialized organellesSalmonella proteinsCytoskeleton rearrangementT-plastinHost relationshipsCell cytosolF-actinCellular responsesG proteinsCdc42
1999
An invasion-associated Salmonella protein modulates the actin-bundling activity of plastin
Zhou D, Mooseker M, Galán J. An invasion-associated Salmonella protein modulates the actin-bundling activity of plastin. Proceedings Of The National Academy Of Sciences Of The United States Of America 1999, 96: 10176-10181. PMID: 10468582, PMCID: PMC17862, DOI: 10.1073/pnas.96.18.10176.Peer-Reviewed Original ResearchConceptsActin-bundling activityT-plastinBacterial-host cell contactHost cell signal transduction pathwaysHost cellsType III secretion systemBacterial effector proteinsActin-binding proteinsSignal transduction pathwaysBacterial effectorsMembrane rufflesEffector proteinsActin cytoskeletonMembrane rufflingSecretion systemSalmonella proteinsBacterial entryBacterial internalizationSalmonella entrySignaling processesActin filamentsF-actinNonphagocytic cellsProteinCell contactCharacterization of SprA, an AraC‐like transcriptional regulator encoded within the Salmonella typhimurium pathogenicity island 1
Eichelberg K, Hardt W, Galán J. Characterization of SprA, an AraC‐like transcriptional regulator encoded within the Salmonella typhimurium pathogenicity island 1. Molecular Microbiology 1999, 33: 139-152. PMID: 10411731, DOI: 10.1046/j.1365-2958.1999.01458.x.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceAnimalsAraC Transcription FactorBacterial ProteinsBiological TransportCells, CulturedChromosome MappingChromosomes, BacterialConsensus SequenceDNA-Binding ProteinsEpithelial CellsGene Expression Regulation, BacterialGenes, BacterialGenes, ReporterHelix-Loop-Helix MotifsMolecular Sequence DataMultigene FamilyPhylogenyRecombinant Fusion ProteinsRepressor ProteinsSalmonella typhimuriumSequence AlignmentSequence Homology, Amino AcidSignal TransductionTrans-ActivatorsTranscription FactorsTranscription, GeneticVirulenceConceptsType III secretion systemTranscriptional regulatory proteinsPathogenicity island 1Secretion systemRegulatory proteinsType III protein secretion systemSPI-1Island 1Host cellsProtein secretion systemTranscriptional regulatory cascadeSpecific transcriptional regulatory proteinsAdditional regulatory proteinsSignificant sequence similarityAraC-like transcriptional regulatorActin cytoskeletal rearrangementRegulation of expressionInvasion-associated genesExpression of genesNon-phagocytic cellsCentisome 63Effector proteinsTranscriptional regulatorsRegulatory cascadeSequence similarityRole of the S. typhimurium Actin-Binding Protein SipA in Bacterial Internalization
Zhou D, Mooseker M, Galán J. Role of the S. typhimurium Actin-Binding Protein SipA in Bacterial Internalization. Science 1999, 283: 2092-2095. PMID: 10092234, DOI: 10.1126/science.283.5410.2092.Peer-Reviewed Original ResearchInteraction of Salmonella with host cells through the centisome 63 type III secretion system
Galán J. Interaction of Salmonella with host cells through the centisome 63 type III secretion system. Current Opinion In Microbiology 1999, 2: 46-50. PMID: 10047557, DOI: 10.1016/s1369-5274(99)80008-3.Peer-Reviewed Original Research
1998
S. typhimurium Encodes an Activator of Rho GTPases that Induces Membrane Ruffling and Nuclear Responses in Host Cells
Hardt W, Chen L, Schuebel K, Bustelo X, Galán J. S. typhimurium Encodes an Activator of Rho GTPases that Induces Membrane Ruffling and Nuclear Responses in Host Cells. Cell 1998, 93: 815-826. PMID: 9630225, DOI: 10.1016/s0092-8674(00)81442-7.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBacterial ProteinsCalcium-Calmodulin-Dependent Protein KinasesCdc42 GTP-Binding ProteinCell Cycle ProteinsCell MembraneCell NucleusCOS CellsCytoskeletonEnzyme ActivationGTP PhosphohydrolasesGTPase-Activating ProteinsGTP-Binding ProteinsGuanosine DiphosphateGuanosine TriphosphateHeLa CellsHumansJNK Mitogen-Activated Protein KinasesMitogen-Activated Protein KinasesProteinsSalmonella typhimuriumSignal TransductionConceptsHost cellsMembrane rufflingSecretion systemGDP/GTP nucleotide exchangeProtein secretion systemActivator of RhoCDNA library screenActin cytoskeleton rearrangementRac-1Rho GTPasesCytoskeletal reorganizationCytoskeleton rearrangementBacterial proteinsNucleotide exchangeLibrary screenJNK activationCellular responsesNuclear responseCdc42Pathogen inducesSopERufflingMicrobial stimulationProteinCells
1996
Requirement of CDC42 for Salmonella-Induced Cytoskeletal and Nuclear Responses
Chen L, Hobbie S, Galán J. Requirement of CDC42 for Salmonella-Induced Cytoskeletal and Nuclear Responses. Science 1996, 274: 2115-2118. PMID: 8953049, DOI: 10.1126/science.274.5295.2115.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCalcium-Calmodulin-Dependent Protein KinasesCdc42 GTP-Binding ProteinCell Cycle ProteinsCell NucleusCOS CellsCytoskeletonEnzyme ActivationGTP-Binding ProteinsJNK Mitogen-Activated Protein KinasesMitogen-Activated Protein KinasesPinocytosisRac GTP-Binding ProteinsSalmonella typhimuriumSignal TransductionTransfectionCROSS-TALK BETWEEN BACTERIAL PATHOGENS AND THEIR HOST CELLS
Galán J, Bliska J. CROSS-TALK BETWEEN BACTERIAL PATHOGENS AND THEIR HOST CELLS. Annual Review Of Cell And Developmental Biology 1996, 12: 221-255. PMID: 8970727, DOI: 10.1146/annurev.cellbio.12.1.221.Peer-Reviewed Original ResearchConceptsHost cellsHost cell signal transduction pathwaysProtein secretion systemHost cellular functionsSpecialized protein secretion systemSignal transduction pathwaysBacterial pathogensHost cell interactionsSecretion systemTransduction pathwaysBacterial proteinsCell physiologyBiochemical interactionsDiverse groupPathogensNovel therapeutic approachesCellsProteinTranslocationBetter understandingInteractionPathwayPhysiologyTherapeutic approachesBasic aspectsSalmonella spp. are cytotoxic for cultured macrophages
Chen L, Kaniga K, Galán J. Salmonella spp. are cytotoxic for cultured macrophages. Molecular Microbiology 1996, 21: 1101-1115. PMID: 8885278, DOI: 10.1046/j.1365-2958.1996.471410.x.Peer-Reviewed Original ResearchConceptsProtein secretion systemNon-phagocytic cellsBacterial internalizationType III protein secretion systemCell deathFragmentation of chromatinWild-type Salmonella typhimuriumMacrophage cell deathBone marrow-derived murine macrophagesMurine macrophagesFeatures of apoptosisCentisome 63Membrane rufflingSecretion apparatusMembrane blebbingBacterial entrySalmonella chromosomeMacrophage cytotoxicityHost rangeCytoplasmic nucleosomesApoptotic bodiesBacterial uptakeCytochalasin DBiochemical techniquesMutations
1994
Interactions of bacteria with non-phagocytic cells
Galan J. Interactions of bacteria with non-phagocytic cells. Current Opinion In Immunology 1994, 6: 590-595. PMID: 7946047, DOI: 10.1016/0952-7915(94)90146-5.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBacterial AdhesionBacterial Physiological PhenomenaEndocytosisHumansImmunity, CellularSignal Transduction
1993
Signal transduction in the mammalian cell during bacterial attachment and entry
Bliska J, Galán J, Falkow S. Signal transduction in the mammalian cell during bacterial attachment and entry. Cell 1993, 73: 903-920. PMID: 8500180, DOI: 10.1016/0092-8674(93)90270-z.Peer-Reviewed Original ResearchSignal transduction and invasion of epithelial cells by S. typhimurium
Pace J, Hayman M, Galán J. Signal transduction and invasion of epithelial cells by S. typhimurium. Cell 1993, 72: 505-514. PMID: 8382566, DOI: 10.1016/0092-8674(93)90070-7.Peer-Reviewed Original ResearchMeSH KeywordsArachidonate 5-LipoxygenaseArachidonic AcidCalciumCalcium-Calmodulin-Dependent Protein KinasesCells, CulturedEndocytosisEpidermal Growth FactorEpitheliumErbB ReceptorsPhospholipases APhospholipases A2PhosphorylationProtein KinasesSalmonella InfectionsSalmonella typhimuriumSignal TransductionSRS-AConceptsCultured epithelial cellsBacterial entryMitogen-activated protein kinaseEpithelial cellsS. typhimurium invasionS. typhimuriumEpidermal growth factor receptorSignal transductionProtein kinaseGrowth factor receptorHenle-407 cellsTyphimurium invasionHost cellsPathogenicity of SalmonellaFactor receptorInfected cellsMutantsInvasionCalcium fluxCellsPhospholipase A2TyphimuriumIntracellular calciumActivationFree intracellular calcium