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
1998
YopJ of Yersinia pseudotuberculosis is required for the inhibition of macrophage TNF‐α production and downregulation of the MAP kinases p38 and JNK
Palmer L, Hobbie S, Galán J, Bliska J. YopJ of Yersinia pseudotuberculosis is required for the inhibition of macrophage TNF‐α production and downregulation of the MAP kinases p38 and JNK. Molecular Microbiology 1998, 27: 953-965. PMID: 9535085, DOI: 10.1046/j.1365-2958.1998.00740.x.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBacterial Outer Membrane ProteinsCalcium-Calmodulin-Dependent Protein KinasesCell LineCloning, MolecularDown-RegulationEnzyme ActivationGene Expression Regulation, BacterialGenetic Complementation TestImmunoblottingJNK Mitogen-Activated Protein KinasesLipopolysaccharidesMacrophagesMiceMitogen-Activated Protein KinasesMutationP38 Mitogen-Activated Protein KinasesTumor Necrosis Factor-alphaYersinia pseudotuberculosisConceptsY. pseudotuberculosisTNF-alpha productionMitogen-activated protein kinaseType III pathwayWild-type Y. pseudotuberculosisWild-type strainTNF-alphaPathogenic Yersinia sppYop genesYop proteinsYop secretionProtein kinaseMAP kinaseTranslational levelMutantsExposure of macrophagesYopJYersinia pseudotuberculosisSustained activationMacrophage TNF-α productionJNKP38Yersinia sppTumor necrosis factor alphaJ774A.1 murine macrophages
1996
Salmonella 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 techniquesMutationsA secreted protein tyrosine phosphatase with modular effector domains in the bacterial pathogen Salmonella typhimurlum
Kaniga K, Uralil J, Bliska J, Galán J. A secreted protein tyrosine phosphatase with modular effector domains in the bacterial pathogen Salmonella typhimurlum. Molecular Microbiology 1996, 21: 633-641. PMID: 8866485, DOI: 10.1111/j.1365-2958.1996.tb02571.x.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceAnimalsBacterial ProteinsBase SequenceCell LineChromosomes, BacterialDisease Models, AnimalDNA, BacterialEpithelial CellsFemaleHumansMacrophagesMiceMice, Inbred BALB CMolecular Sequence DataProtein Tyrosine PhosphatasesSalmonella InfectionsSalmonella typhimuriumSequence Homology, Amino AcidVirulenceConceptsProtein tyrosine phosphataseTyrosine phosphataseEffector proteinsCatalytic domainHost cell signal transduction pathwaysBacterial pathogen Salmonella typhimuriumSignal transduction pathwaysCritical Cys residuesAmino-terminal regionCarboxy-terminal regionPathogen Salmonella typhimuriumCell regulatory moleculesSequence similarityEffector domainSignaling functionsExport proteinCys residuesRegulatory moleculesExoenzyme SSequence analysisPeptide substratesPhosphatase activityCatalytic mechanismProteinYersinia spp