2001
The DotA protein from Legionella pneumophila is secreted by a novel process that requires the Dot/Icm transporter
Nagai H, Roy C. The DotA protein from Legionella pneumophila is secreted by a novel process that requires the Dot/Icm transporter. The EMBO Journal 2001, 20: 5962-5970. PMID: 11689436, PMCID: PMC125688, DOI: 10.1093/emboj/20.21.5962.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceBacterial ProteinsBiological TransportCarrier ProteinsCell MembraneCulture Media, ConditionedElectrophoresis, Polyacrylamide GelHost-Parasite InteractionsImmunoblottingLegionella pneumophilaMacromolecular SubstancesMembrane ProteinsMolecular Sequence DataOrganellesSequence Analysis, ProteinConceptsDot/icm genesDotA proteinIcm genesDot/Icm transporterPolytopic membrane proteinsDot/IcmEukaryotic host cellsN-terminal sequencingAmino acid leader peptideLegionella pneumophilaSecretion apparatusMembrane proteinsLeader peptideMembrane vesiclesProtein secretionHost cellsProteinBacterial replicationGenesTransportersPneumophilaUnique processOrganellesCulture supernatantsSecretion
1998
Legionella pneumophila DotA protein is required for early phagosome trafficking decisions that occur within minutes of bacterial uptake
Roy C, Berger K, Isberg R. Legionella pneumophila DotA protein is required for early phagosome trafficking decisions that occur within minutes of bacterial uptake. Molecular Microbiology 1998, 28: 663-674. PMID: 9632267, DOI: 10.1046/j.1365-2958.1998.00841.x.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAntigens, CDBacterial ProteinsCell LineFluorescent Antibody TechniqueGTP-Binding ProteinsHumansLegionella pneumophilaLysosome-Associated Membrane GlycoproteinsLysosomesMacrophagesMembrane FusionMembrane GlycoproteinsMembrane ProteinsMiceMutationPhagosomesPlasmidsRab GTP-Binding ProteinsRab7 GTP-Binding ProteinsConceptsDotA mutantsL. pneumophila phagosomeLAMP-1DotA proteinL. pneumophilaMembrane-bound compartmentsLysosomal glycoprotein LAMP-1Bacterial pathogensIntracellular bacterial pathogenReplicative phagosomeSmall GTPVacuolar membraneEndocytic pathwayProtein Rab7Fusion eventsMutant bacteriaMolecular basisGenetic studiesBacterial uptakeMutantsPhagosomesTrafficking profilesContinuous expressionIntracellular sitesMacrophage uptake
1997
Topology of Legionella pneumophila DotA: an inner membrane protein required for replication in macrophages
Roy C, Isberg R. Topology of Legionella pneumophila DotA: an inner membrane protein required for replication in macrophages. Infection And Immunity 1997, 65: 571-578. PMID: 9009315, PMCID: PMC176098, DOI: 10.1128/iai.65.2.571-578.1997.Peer-Reviewed Original ResearchConceptsDotA mutantsAmino acidsMembrane proteinsIntegral cytoplasmic membrane proteinLarge periplasmic domainInner membrane proteinCarboxyl-terminal cytoplasmic domainIntracellular growthCytoplasmic membrane proteinAlkaline phosphatase fusionsL. pneumophila pathogenesisIntracellular growth defectMembrane-spanning domainsStructure-function analysisProtein fractionation studiesPeriplasmic domainDotA proteinTranslational fusionGrowth defectCytoplasmic domainInner membraneHybrid proteinCytoplasmic regionDotA geneC-terminus