2016
Antibacterial Flavonoids from Medicinal Plants Covalently Inactivate Type III Protein Secretion Substrates
Tsou LK, Lara-Tejero M, RoseFigura J, Zhang ZJ, Wang YC, Yount JS, Lefebre M, Dossa PD, Kato J, Guan F, Lam W, Cheng YC, Galán J, Hang HC. Antibacterial Flavonoids from Medicinal Plants Covalently Inactivate Type III Protein Secretion Substrates. Journal Of The American Chemical Society 2016, 138: 2209-2218. PMID: 26847396, PMCID: PMC4831573, DOI: 10.1021/jacs.5b11575.Peer-Reviewed Original ResearchConceptsVirulence pathwaysType III protein secretionType III secretion system effectorsSpecific plant metabolitesSPI-1 T3SSSecretion system effectorsS. typhimurium invasionSalmonella enterica serovar TyphimuriumSecretion substratesEnterica serovar TyphimuriumTraditional Chinese medicineUnappreciated mechanismPlant metabolitesTyphimurium invasionProtein secretionSerovar TyphimuriumAntibacterial flavonoidsBacterial invasionEpithelial cellsSpecific flavonoidsBacterial growthMedicinal plantsPathwayPotential mechanismsInvasion
2000
The Flagellar Sigma Factor FliA (ς28) Regulates the Expression of Salmonella Genes Associated with the Centisome 63 Type III Secretion System
Eichelberg K, Galán J. The Flagellar Sigma Factor FliA (ς28) Regulates the Expression of Salmonella Genes Associated with the Centisome 63 Type III Secretion System. Infection And Immunity 2000, 68: 2735-2743. PMID: 10768967, PMCID: PMC97482, DOI: 10.1128/iai.68.5.2735-2743.2000.Peer-Reviewed Original ResearchConceptsType III secretion systemSecretion systemExpression of componentsRegulatory proteinsType III protein secretion systemRegulatory mechanismsSerovar TyphimuriumFlagellar sigma factor FliASigma factor FliAProtein secretion systemTranscriptional regulatory proteinsSalmonella pathogenicity island 1Complex regulatory mechanismsFlagellar regulatory genesPathogenicity island 1Macrophage cell deathEffects of mutationsType III systemCultured epithelial cellsFlagellar genesEnterica serovar TyphimuriumMild centrifugal forceRegulatory genesSalmonella genesS. enterica serovar Typhimurium
1998
A substrate of the centisome 63 type III protein secretion system of Salmonella typhimurium is encoded by a cryptic bacteriophage
Hardt W, Urlaub H, Galán J. A substrate of the centisome 63 type III protein secretion system of Salmonella typhimurium is encoded by a cryptic bacteriophage. Proceedings Of The National Academy Of Sciences Of The United States Of America 1998, 95: 2574-2579. PMID: 9482928, PMCID: PMC19418, DOI: 10.1073/pnas.95.5.2574.Peer-Reviewed Original ResearchConceptsType III protein secretion systemType III secretion systemProtein secretion systemSecretion systemEffector proteinsInvasion-associated type III secretion systemCluster of genesTail fiber proteinHost cell cytoplasmSouthern hybridization analysisMobile genetic elementsCultured epithelial cellsInduction of apoptosisSopE proteinEnterica serovar TyphimuriumBacteriophage genesBacterial entryCytoskeletal rearrangementsS. enterica serovar TyphimuriumGenetic elementsPathogenicity islandFiber proteinHybridization analysisCell cytoplasmEffector molecules