Featured Publications
The Legionella Anti-autophagy Effector RavZ Targets the Autophagosome via PI3P- and Curvature-Sensing Motifs
Horenkamp FA, Kauffman KJ, Kohler LJ, Sherwood RK, Krueger KP, Shteyn V, Roy CR, Melia TJ, Reinisch KM. The Legionella Anti-autophagy Effector RavZ Targets the Autophagosome via PI3P- and Curvature-Sensing Motifs. Developmental Cell 2015, 34: 569-576. PMID: 26343456, PMCID: PMC4594837, DOI: 10.1016/j.devcel.2015.08.010.Peer-Reviewed Original ResearchConceptsATG8 proteinsIntracellular pathogen Legionella pneumophilaPre-autophagosomal structureAtg8/LC3 proteinsPathogen Legionella pneumophilaHigh-curvature membranesMembrane transport pathwaysCytosol of cellsEffector proteinsCatalytic domainHost cytosolRavZAutophagy proteinsLC3 proteinPathogenic microbesSubstrate affinityProteinIntermediate membraneLegionella pneumophilaAutophagosomesAutophagyCytosolTransport pathwaysInterfacial activationMembraneThe Coxiella burnetii effector EmcB is a deubiquitinase that inhibits RIG-I signaling
Duncan-Lowey J, Crabill E, Jarret A, Reed S, Roy C. The Coxiella burnetii effector EmcB is a deubiquitinase that inhibits RIG-I signaling. Proceedings Of The National Academy Of Sciences Of The United States Of America 2023, 120: e2217602120. PMID: 36893270, PMCID: PMC10089202, DOI: 10.1073/pnas.2217602120.Peer-Reviewed Original ResearchConceptsDot/Icm systemHost-adapted pathogenUbiquitin chainsI interferon productionType I interferon productionSecretion systemHost cytosolIcm systemInterferon productionProtein secretion systemBacterial secretion systemsAcid-inducible gene IHost surveillance systemImmune sensorsObligate intracellular pathogensInducible gene ICytosolic surveillance systemsProtective immune responseEffector proteinsSpecialized organellesVacuolar nicheInhibition of RIGInnate immune sensorsSurveillance systemMammalian hosts
2024
InSeq analysis of defined Legionella pneumophila libraries identifies a transporter-encoding gene cluster important for intracellular replication in mammalian hosts.
Moss C, Roy C. InSeq analysis of defined Legionella pneumophila libraries identifies a transporter-encoding gene cluster important for intracellular replication in mammalian hosts. MBio 2024, e0195524. PMID: 39365064, DOI: 10.1128/mbio.01955-24.Peer-Reviewed Original ResearchMammalian hostsLegionella pneumophila</i>Mutant libraryIntracellular replicationDot/Icm type IV secretion systemHost cellsType IV secretion systemInfection of mammalian cellsTransposon insertion sequencingTransposon mutant libraryOpportunistic human pathogenIV secretion systemIsogenic deletion mutantsGenetic complementation studiesHost-pathogen interactionsIntracellular bacterial pathogensMultidrug efflux pumpsMammalian infection modelsATP-binding cassetteBacteria encounterDot/Icm systemSecretion systemTransposon sequencesGene clusterHost cytosol