2023
Parkinson’s disease kinase LRRK2 coordinates a cell-intrinsic itaconate-dependent defence pathway against intracellular Salmonella
Lian H, Park D, Chen M, Schueder F, Lara-Tejero M, Liu J, Galán J. Parkinson’s disease kinase LRRK2 coordinates a cell-intrinsic itaconate-dependent defence pathway against intracellular Salmonella. Nature Microbiology 2023, 8: 1880-1895. PMID: 37640963, PMCID: PMC10962312, DOI: 10.1038/s41564-023-01459-y.Peer-Reviewed Original ResearchConceptsLeucine-rich repeat kinase 2Loss of LRRK2Host defense mechanismsKinase leucine-rich repeat kinase 2Parkinson's disease-associated leucine-rich repeat kinase 2Host defense pathwaysBacterial pathogen SalmonellaRepeat kinase 2Salmonella infectionSalmonella-containing vacuolesCell-intrinsic defenseIntracellular pathogensIntracellular SalmonellaFirst lineSalmonella replicationSalmonella mutantsKinase 2Pathogen SalmonellaDefense mechanismsSalmonellaHost mitochondriaDefense pathwaysDeliveryDefense responsesCells
2006
Differential activation and function of Rho GTPases during Salmonella–host cell interactions
Patel JC, Galán J. Differential activation and function of Rho GTPases during Salmonella–host cell interactions. Journal Of Cell Biology 2006, 175: 453-463. PMID: 17074883, PMCID: PMC2064522, DOI: 10.1083/jcb.200605144.Peer-Reviewed Original ResearchMeSH KeywordsActinsAnimalsBacterial ProteinsCdc42 GTP-Binding ProteinCell MembraneChlorocebus aethiopsCOS CellsEnzyme ActivationGuanine Nucleotide Exchange FactorsHumansIntestinal MucosaMutationRac1 GTP-Binding ProteinRho GTP-Binding ProteinsRNA InterferenceSalmonella InfectionsSalmonella typhimuriumTransfectionConceptsRho family GTPasesExchange factorCellular responsesRho family guanosine triphosphatasesSalmonella-host cell interactionsType III secretion systemSpecific Rho family GTPasesActin cytoskeleton remodelingDifferent Rho family GTPasesSpecific cellular responsesActin remodelingGuanosine triphosphatasesRho GTPasesSecretion systemCytoskeleton remodelingBacterial proteinsGTPasesSophisticated mechanismsHost cellsDistinct rolesBacterial pathogensCell interactionsSalmonella entericaDifferential activationCentral roleRole of the caspase-1 inflammasome in Salmonella typhimurium pathogenesis
Lara-Tejero M, Sutterwala FS, Ogura Y, Grant EP, Bertin J, Coyle AJ, Flavell RA, Galán J. Role of the caspase-1 inflammasome in Salmonella typhimurium pathogenesis. Journal Of Experimental Medicine 2006, 203: 1407-1412. PMID: 16717117, PMCID: PMC2118315, DOI: 10.1084/jem.20060206.Peer-Reviewed Original Research
2003
A Salmonella protein causes macrophage cell death by inducing autophagy
Hernandez LD, Pypaert M, Flavell RA, Galán J. A Salmonella protein causes macrophage cell death by inducing autophagy. Journal Of Cell Biology 2003, 163: 1123-1131. PMID: 14662750, PMCID: PMC2173598, DOI: 10.1083/jcb.200309161.Peer-Reviewed Original ResearchConceptsMembrane fusion activityCell deathType III protein secretion systemFusion activityProtein secretion systemMacrophage cell deathEndoplasmic reticulum markerSalmonella-infected macrophagesSecretion systemSalmonella proteinsAutophagic vesiclesMutant formsSipBHost cellsCultured cellsMitochondriaMembrane structureSalmonella entericaProteinCausative agentMarked accumulationMacrophagesCellsAutophagosomesAutophagy
2001
Induction of specific CD8+ memory T cells and long lasting protection following immunization with Salmonella typhimurium expressing a lymphocytic choriomeningitis MHC class I-restricted epitope
Shams H, Poblete F, Rüssmann H, Galán J, Donis R. Induction of specific CD8+ memory T cells and long lasting protection following immunization with Salmonella typhimurium expressing a lymphocytic choriomeningitis MHC class I-restricted epitope. Vaccine 2001, 20: 577-585. PMID: 11672924, DOI: 10.1016/s0264-410x(01)00363-2.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAntigen-Presenting CellsCD8-Positive T-LymphocytesCell LineEpitopes, T-LymphocyteFemaleHistocompatibility Antigens Class IImmunizationImmunologic MemoryLymphocytic choriomeningitis virusMiceMice, Inbred BALB CMice, Inbred C57BLSalmonella typhimuriumVaccines, SyntheticViral VaccinesConceptsMHC class ISurvival of miceProtective immunityClass ICTL responsesT cellsAntiviral CTL responsesProtective CTL responsesMemory T cellsLymphocytic choriomeningitis virus nucleoproteinAntigen delivery vectorLCMV epitopeSpecific CD8CTL activityHeterologous vaccinationVaccinationSalmonella typhimuriumPaucity of informationLethal dosesMiceImmunityCD8Oral deliveryImmunizationType IIISALMONELLA 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 cellsRacRearrangementCellsTransductionCdtA, CdtB, and CdtC Form a Tripartite Complex That Is Required for Cytolethal Distending Toxin Activity
Lara-Tejero M, Galán J. CdtA, CdtB, and CdtC Form a Tripartite Complex That Is Required for Cytolethal Distending Toxin Activity. Infection And Immunity 2001, 69: 4358-4365. PMID: 11401974, PMCID: PMC98507, DOI: 10.1128/iai.69.7.4358-4365.2001.Peer-Reviewed Original ResearchConceptsCytolethal distending toxinTriggers cell cycle arrestActive subunitCell cycle arrestImportant bacterial pathogensTripartite complexCell cycleCDT holotoxinDistending toxinCycle arrestCDT activityCellular toxicityCdtCSubunitsBacterial pathogensRelated toxinsCdtBToxin activityB chainB subunitCdtC.Toxic activityTripartite toxinCampylobacter jejuniTarget cellsCommon and Contrasting Themes of Plant and Animal Diseases
Staskawicz B, Mudgett M, Dangl J, Galan J. Common and Contrasting Themes of Plant and Animal Diseases. Science 2001, 292: 2285-2289. PMID: 11423652, DOI: 10.1126/science.1062013.Peer-Reviewed Original ResearchConceptsHost-pathogen interactionsStudy of plantsDefense signalingHost defense responsesAnimal diseasesDefense responsesEffector proteinsAnimal pathogenesisBacterial pathogenesisPathogen virulencePathogen recognitionMolecular eventsHost resistancePlantsRecent studiesBacterial colonizationSignalingVirulenceProteinColonizationHostMechanismFuture studiesPathogenesisCharacterization of the mutS-proximal region of the Salmonella typhimurium SPI-1 identifies a group of pathogenicity island-associated genes
Pancetti A, Galán J. Characterization of the mutS-proximal region of the Salmonella typhimurium SPI-1 identifies a group of pathogenicity island-associated genes. FEMS Microbiology Letters 2001, 197: 203-208. PMID: 11313135, DOI: 10.1111/j.1574-6968.2001.tb10604.x.Peer-Reviewed Original ResearchConceptsPathogenicity islandSecretion systemType III protein secretion systemSPI-1Type III secretion systemHigher eukaryotic hostsProtein secretion systemSet of genesIron uptake systemExpression of genesSegment of DNAPotential pathogenicity islandsEukaryotic hostsFhlA geneGene blockCentisome 63Pig genesFunctional copyTranscription factorsSalmonella chromosomeUnknown functionUptake systemGenesBacterial pathogensHomologA Salmonella inositol polyphosphatase acts in conjunction with other bacterial effectors to promote host cell actin cytoskeleton rearrangements and bacterial internalization
Zhou D, Chen L, Hernandez L, Shears S, Galán J. A Salmonella inositol polyphosphatase acts in conjunction with other bacterial effectors to promote host cell actin cytoskeleton rearrangements and bacterial internalization. Molecular Microbiology 2001, 39: 248-260. PMID: 11136447, DOI: 10.1046/j.1365-2958.2001.02230.x.Peer-Reviewed Original ResearchMeSH KeywordsActinsAnimalsBacterial ProteinsCdc42 GTP-Binding ProteinCell MembraneCells, CulturedChlorocebus aethiopsCOS CellsCytoskeletonHumansInositol PhosphatesIntestinesJNK Mitogen-Activated Protein KinasesMAP Kinase Kinase 4Mitogen-Activated Protein Kinase KinasesPhosphoric Monoester HydrolasesPhosphorylationSalmonella InfectionsSalmonella typhimuriumTransfectionConceptsActin cytoskeleton rearrangementCytoskeleton rearrangementBacterial entrySecretion systemBacterial internalizationCellular responsesHost cellsRho GTPases signalingProtein secretion systemHost cell actin cytoskeleton rearrangementsHost cellular functionsSpecialized protein secretion systemCdc42-dependent mannerNon-phagocytic cellsBacterial effectorsAbility of SalmonellaInositol phosphataseCellular functionsDefective mutantsBacterial proteinsCo-ordinated functionSalmonella pathogenicityBacterium's abilitySopBPhospholipase C.
2000
A Bacterial Toxin That Controls Cell Cycle Progression as a Deoxyribonuclease I-Like Protein
Lara-Tejero M, Galán J. A Bacterial Toxin That Controls Cell Cycle Progression as a Deoxyribonuclease I-Like Protein. Science 2000, 290: 354-357. PMID: 11030657, DOI: 10.1126/science.290.5490.354.Peer-Reviewed Original ResearchConceptsCell cycle arrestCytolethal distending toxinChromatin disruptionCycle arrestCell cycle progressionLike proteinCdtB mutantChromatin fragmentationTransient expressionMutant formsCycle progressionCell deathCDT holotoxinDistending toxinCultured cellsBacterial toxinsDeoxyribonuclease IBacterial pathogensSuch pathogensCdtBSubunitsCampylobacter jejuniToxinMorphological changesPathogensAlternative 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 ResearchDevelopmental Control of Endocytosis in Dendritic Cells by Cdc42
Garrett W, Chen L, Kroschewski R, Ebersold M, Turley S, Trombetta S, Galán J, Mellman I. Developmental Control of Endocytosis in Dendritic Cells by Cdc42. Cell 2000, 102: 325-334. PMID: 10975523, DOI: 10.1016/s0092-8674(00)00038-6.Peer-Reviewed Original Research
1999
Characterization 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 similarityType III Secretion Machines: Bacterial Devices for Protein Delivery into Host Cells
Galán J, Collmer A. Type III Secretion Machines: Bacterial Devices for Protein Delivery into Host Cells. Science 1999, 284: 1322-1328. PMID: 10334981, DOI: 10.1126/science.284.5418.1322.Peer-Reviewed Original ResearchConceptsSecretion systemComplex protein secretion systemsHost cellsType III secretion systemBacterial effector proteinsProtein secretion systemAnimal pathogenic bacteriaHost cellular functionsGram-negative pathogenic bacteriaBacterial devicesPathogenic bacteriaEffector proteinsCellular functionsFlagellar apparatusBacterial speciesEffector moleculesProtein deliveryBacteriaCellsNovel preventionBiologySpeciesPlantsProteinTherapeutic approachesRequirement of p21-activated Kinase (PAK) for Salmonella typhimurium–induced Nuclear Responses
Chen L, Bagrodia S, Cerione R, Galán J. Requirement of p21-activated Kinase (PAK) for Salmonella typhimurium–induced Nuclear Responses. Journal Of Experimental Medicine 1999, 189: 1479-1488. PMID: 10224288, PMCID: PMC2193063, DOI: 10.1084/jem.189.9.1479.Peer-Reviewed Original ResearchConceptsP21-activated kinaseBacterial effector proteinsEffector proteinsTarget proteinsSmall molecular weight GTPasesSerine/threonine kinaseType III secretion systemCdc42 effector proteinsC-Jun NH2-terminal kinase activationCdc42/RacFunction of Cdc42PAK kinase activityDedicated type III secretion systemEffector loop mutantsActin cytoskeleton rearrangementActin cytoskeleton reorganizationHost cell cytoplasmCultured epithelial cellsNuclear responseWeight GTPasesThreonine kinaseRho familyRho GTPasesSecretion systemCytoskeletal rearrangements
1998
Interactions of Salmonella with host cells: Encounters of the closest kind
Galán J. Interactions of Salmonella with host cells: Encounters of the closest kind. Proceedings Of The National Academy Of Sciences Of The United States Of America 1998, 95: 14006-14008. PMID: 9826642, PMCID: PMC33922, DOI: 10.1073/pnas.95.24.14006.Peer-Reviewed Original ResearchDelivery of Epitopes by the Salmonella Type III Secretion System for Vaccine Development
Rüssmann H, Shams H, Poblete F, Fu Y, Galán J, Donis R. Delivery of Epitopes by the Salmonella Type III Secretion System for Vaccine Development. Science 1998, 281: 565-568. PMID: 9677200, DOI: 10.1126/science.281.5376.565.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAntigen PresentationAntigens, ViralBacterial ProteinsCytosolEndoplasmic ReticulumEpitopesHistocompatibility Antigens Class IHybridomasLymphocytic ChoriomeningitisLymphocytic choriomeningitis virusMiceMice, Inbred C57BLNucleoproteinsPeptide FragmentsProtein Tyrosine PhosphatasesRecombinant Fusion ProteinsSalmonella typhimuriumT-LymphocytesT-Lymphocytes, CytotoxicTumor Cells, CulturedVaccines, SyntheticViral Core ProteinsViral VaccinesConceptsImmune responseClass IS. typhimuriumAntigen delivery systemAntigen delivery vectorDelivery of epitopesSalmonella type III secretion systemLethal infectionViral epitopesVaccine developmentHost cell cytosolType III secretion systemInfectionSecretion systemIntracellular stagesAvirulent strainsEpitopesEfficient inducerSalmonella typhimuriumTyphimuriumDelivery systemResponseType III protein secretion systemS. 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