2020
Itaconate is an effector of a Rab GTPase cell-autonomous host defense pathway against Salmonella
Chen M, Sun H, Boot M, Shao L, Chang SJ, Wang W, Lam TT, Lara-Tejero M, Rego EH, Galán JE. Itaconate is an effector of a Rab GTPase cell-autonomous host defense pathway against Salmonella. Science 2020, 369: 450-455. PMID: 32703879, PMCID: PMC8020367, DOI: 10.1126/science.aaz1333.Peer-Reviewed Original Research
2019
Investigation of the role of typhoid toxin in acute typhoid fever in a human challenge model
Gibani MM, Jones E, Barton A, Jin C, Meek J, Camara S, Galal U, Heinz E, Rosenberg-Hasson Y, Obermoser G, Jones C, Campbell D, Black C, Thomaides-Brears H, Darlow C, Dold C, Silva-Reyes L, Blackwell L, Lara-Tejero M, Jiao X, Stack G, Blohmke CJ, Hill J, Angus B, Dougan G, Galán J, Pollard AJ. Investigation of the role of typhoid toxin in acute typhoid fever in a human challenge model. Nature Medicine 2019, 25: 1082-1088. PMID: 31270506, PMCID: PMC6892374, DOI: 10.1038/s41591-019-0505-4.Peer-Reviewed Original ResearchConceptsHuman challenge modelTyphoid toxinChallenge modelTyphoid feverAcute typhoid feverDuration of bacteremiaFurther clinical dataS. typhiAcute infectionOral challengeClinical syndromeChronic infectionBacterial carriageClinical dataSevere diseaseTN groupFever symptomsHealthy volunteersDisease pathogenesisTyphoid infectionTyphoid diseaseColony-forming unitsHost-restricted pathogenInfectionSalmonella typhi
2017
Metabolic and fitness determinants for in vitro growth and intestinal colonization of the bacterial pathogen Campylobacter jejuni
Gao B, Vorwerk H, Huber C, Lara-Tejero M, Mohr J, Goodman AL, Eisenreich W, Galán JE, Hofreuter D. Metabolic and fitness determinants for in vitro growth and intestinal colonization of the bacterial pathogen Campylobacter jejuni. PLOS Biology 2017, 15: e2001390. PMID: 28542173, PMCID: PMC5438104, DOI: 10.1371/journal.pbio.2001390.Peer-Reviewed Original ResearchMeSH KeywordsAbsorption, PhysiologicalAmino AcidsAnimalsAnti-Bacterial AgentsBacterial ProteinsCampylobacter InfectionsCampylobacter jejuniCation Transport ProteinsDNA Transposable ElementsDysbiosisGastroenteritisGene DeletionGenetic Association StudiesGenome, BacterialGenomic LibraryMice, Inbred C57BLMicrobial ViabilityModels, BiologicalMutagenesis, InsertionalMutationConceptsCampylobacter jejuniFood-producing animalsInfectious causesFood-borne illnessMost infectionsMouse modelHuman infectionsIntestinal colonizationIntestinal tractInfectionJejuni colonizationMouse intestineNext-generation sequencingIntracellular ion homeostasisC. jejuniFitness determinantsCertain nutrientsPathogenic strainsJejuniMetabolic requirementsComprehensive genome-wide analysisBacterial pathogen Campylobacter jejuniPathogen Campylobacter jejuniAnimalsGenome-wide analysis
2016
The Salmonella Effector Protein SopA Modulates Innate Immune Responses by Targeting TRIM E3 Ligase Family Members
Kamanova J, Sun H, Lara-Tejero M, Galán JE. The Salmonella Effector Protein SopA Modulates Innate Immune Responses by Targeting TRIM E3 Ligase Family Members. PLOS Pathogens 2016, 12: e1005552. PMID: 27058235, PMCID: PMC4825927, DOI: 10.1371/journal.ppat.1005552.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBacterial ProteinsCell LineDisease Models, AnimalGene Knockout TechniquesHost-Parasite InteractionsHumansImmunity, InnateImmunoprecipitationMass SpectrometryMiceReal-Time Polymerase Chain ReactionSalmonella InfectionsSalmonella typhimuriumSignal TransductionUbiquitin-Protein LigasesConceptsInflammatory responseImmune responseSalmonella typhimurium infectionInnate immune receptorsInnate immune responseHECT-type E3 ligaseTyphimurium infectionAnimal modelsIntestinal epitheliumIntestinal tractImmune receptorsInflammationStimulationTRIM56Type III secretion systemMDA5Pathogenicity island 1Family membersEfficient stimulationSalmonella typhimuriumIsland 1ResponseE3 ubiquitin ligasesInfectionSecretion systemA Family of Salmonella Type III Secretion Effector Proteins Selectively Targets the NF-κB Signaling Pathway to Preserve Host Homeostasis
Sun H, Kamanova J, Lara-Tejero M, Galán JE. A Family of Salmonella Type III Secretion Effector Proteins Selectively Targets the NF-κB Signaling Pathway to Preserve Host Homeostasis. PLOS Pathogens 2016, 12: e1005484. PMID: 26933955, PMCID: PMC4775039, DOI: 10.1371/journal.ppat.1005484.Peer-Reviewed Original ResearchConceptsNF-κBHost homeostasisNF-κB Signaling PathwayHost innate immune responsePro-inflammatory cytokinesInnate immune responseType III secretion effector proteinsHost tissue damageIntestinal inflammationSalmonella typhimurium strainsImmune responseAnimal modelsInflammationRelB transcription factorPathogen replicationMicrobial infectionsTyphimurium strainsEffector proteinsSignaling pathwaysType III secretion systemInfectionBacterial pathogensBacteria Salmonella typhimuriumSignal transduction pathwaysSalmonella typhimurium
2006
A MyD88-Deficient Mouse Model Reveals a Role for Nramp1 in Campylobacter jejuni Infection
Watson RO, Novik V, Hofreuter D, Lara-Tejero M, Galán JE. A MyD88-Deficient Mouse Model Reveals a Role for Nramp1 in Campylobacter jejuni Infection. Infection And Immunity 2006, 75: 1994-2003. PMID: 17194808, PMCID: PMC1865720, DOI: 10.1128/iai.01216-06.Peer-Reviewed Original ResearchConceptsJejuni infectionAdaptor protein myeloid differentiation factor 88Myeloid differentiation factor 88Most Toll-like receptorsMyD88-deficient miceDifferentiation factor 88Campylobacter jejuni infectionAdult immunocompetent miceToll-like receptorsMajor worldwide causeFactor 88Immunocompetent miceMouse modelMouse susceptibilityEnteric illnessWorldwide causeJejuni colonizationInfectionMiceC. jejuniCampylobacter jejuniPotential roleVirulence genesBacterial pathogensIsogenic derivativesRole 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