2010
Anaplasma phagocytophilum induces actin phosphorylation to selectively regulate gene transcription in Ixodes scapularis ticks
Sultana H, Neelakanta G, Kantor FS, Malawista SE, Fish D, Montgomery RR, Fikrig E. Anaplasma phagocytophilum induces actin phosphorylation to selectively regulate gene transcription in Ixodes scapularis ticks. Journal Of Experimental Medicine 2010, 207: 1727-1743. PMID: 20660616, PMCID: PMC2916137, DOI: 10.1084/jem.20100276.Peer-Reviewed Original ResearchMeSH KeywordsActinsAnaplasma phagocytophilumAnimalsCell LineCell NucleusEnzyme InhibitorsGastrointestinal TractGene ExpressionGene Expression RegulationGTP-Binding Protein beta SubunitsGTP-Binding Protein gamma SubunitsInsect ProteinsIxodesP21-Activated KinasesPhosphatidylinositol 3-KinasesPhosphoinositide-3 Kinase InhibitorsPhosphorylationPromoter Regions, GeneticProtein BindingRNA InterferenceRNA Polymerase IISalivary GlandsSalivary Proteins and PeptidesSignal TransductionTATA-Box Binding ProteinTranscription, GeneticConceptsRNA polymerase IIActin phosphorylationTATA box-binding proteinNuclear G-actinPhosphorylation of actinP21-activated kinaseA. phagocytophilumA. phagocytophilum survivalTick cell linesIxodes scapularis ticksPolymerase IIPhosphorylated actinGene crucialGbetagamma subunitsGene transcriptionFilamentous actinAnaplasma phagocytophilumGene expressionBacterial acquisitionScapularis ticksPhosphorylationG-actinIntracellular pathogensMedical importanceActin
2009
Inhibition of Neutrophil Function by Two Tick Salivary Proteins
Guo X, Booth CJ, Paley MA, Wang X, DePonte K, Fikrig E, Narasimhan S, Montgomery RR. Inhibition of Neutrophil Function by Two Tick Salivary Proteins. Infection And Immunity 2009, 77: 2320-2329. PMID: 19332533, PMCID: PMC2687334, DOI: 10.1128/iai.01507-08.Peer-Reviewed Original ResearchConceptsPolymorphonuclear leukocytesPMN functionNumber of PMNPMN integrinsPMN adherenceNeutrophil functionSpirochete burdenTick salivary proteinsTick salivaLyme diseaseTick attachmentSalivary glandsBorrelia burgdorferiTick feedingCausative agentReduced levelsInhibitory proteinSalivaBlood mealAntihemostatic activityInfectionInhibitionSalivary proteinsHematophagous arthropodsTick Ixodes scapularis
2004
TROSPA, an Ixodes scapularis Receptor for Borrelia burgdorferi
Pal U, Li X, Wang T, Montgomery RR, Ramamoorthi N, deSilva AM, Bao F, Yang X, Pypaert M, Pradhan D, Kantor FS, Telford S, Anderson JF, Fikrig E. TROSPA, an Ixodes scapularis Receptor for Borrelia burgdorferi. Cell 2004, 119: 457-468. PMID: 15537536, DOI: 10.1016/j.cell.2004.10.027.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceAnimalsAntibodies, BacterialAntigens, SurfaceBacterial Outer Membrane ProteinsBacterial VaccinesBase SequenceBorrelia burgdorferiCloning, MolecularGene Expression RegulationHost-Parasite InteractionsIntestinesIxodesLipoproteinsMiceMice, Inbred C3HMolecular Sequence DataReceptors, Cell SurfaceRecombinant ProteinsConceptsLyme disease agent Borrelia burgdorferiSurvival of spirochetesTick receptorMammalian hostsRNA interferenceEfficient colonizationTROSPAOuter surface protein ABorrelia burgdorferiPathogen adherencePathogen transmissionProtein AB. burgdorferi outer surface protein AMRNA levelsIxodes scapularisB. burgdorferiColonizationSurface protein AReceptorsArthropodsBurgdorferiMammalsRepressionSpirochetesTicksTick Saliva Reduces Adherence and Area of Human Neutrophils
Montgomery RR, Lusitani D, de Boisfleury Chevance A, Malawista SE. Tick Saliva Reduces Adherence and Area of Human Neutrophils. Infection And Immunity 2004, 72: 2989-2994. PMID: 15102811, PMCID: PMC387908, DOI: 10.1128/iai.72.5.2989-2994.2004.Peer-Reviewed Original ResearchDisruption of Ixodes scapularis anticoagulation by using RNA interference
Narasimhan S, Montgomery RR, DePonte K, Tschudi C, Marcantonio N, Anderson JF, Sauer JR, Cappello M, Kantor FS, Fikrig E. Disruption of Ixodes scapularis anticoagulation by using RNA interference. Proceedings Of The National Academy Of Sciences Of The United States Of America 2004, 101: 1141-1146. PMID: 14745044, PMCID: PMC337020, DOI: 10.1073/pnas.0307669100.Peer-Reviewed Original ResearchConceptsAnti-factor Xa activityNumerous infectious diseasesIxodes scapularis ticksRNA interferenceMultiple anticoagulantsReduction of mRNAXa activityVaccine candidatesInfectious diseasesTick salivaAnticoagulantsBabesia microtiPhysiologic functionI. scapularis salivaSalivary glandsBorrelia burgdorferiTick feedingScapularis ticksAnticoagulant activityAnaplasma phagocytophilumTick engorgementSuch interventionsEngorgement weightEngorgementKey target
2001
Inhibition of Borrelia burgdorferi-Tick Interactions In Vivo by Outer Surface Protein A Antibody
Pal U, Montgomery R, Lusitani D, Voet P, Weynants V, Malawista S, Lobet Y, Fikrig E. Inhibition of Borrelia burgdorferi-Tick Interactions In Vivo by Outer Surface Protein A Antibody. The Journal Of Immunology 2001, 166: 7398-7403. PMID: 11390491, DOI: 10.4049/jimmunol.166.12.7398.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAnti-Bacterial AgentsAntibodies, BacterialAntibodies, MonoclonalAntigens, SurfaceBacterial Outer Membrane ProteinsBacterial VaccinesBinding Sites, AntibodyBorrelia burgdorferi GroupDigestive SystemEpitopesFemaleImmune SeraInjections, IntraperitonealInjections, SubcutaneousIxodesLipoproteinsLyme DiseaseLyme Disease VaccinesMiceMice, SCIDMutationProtein Structure, TertiaryRecombinant ProteinsConceptsB. burgdorferi sensu strictoBurgdorferi sensu strictoB. burgdorferi N40Treatment of miceOuter Surface ProteinsB. burgdorferi sensu lato genospeciesSurface protein AOuter surface protein ASCID miceMurine modelB. burgdorferi attachmentLyme diseaseMiceB. burgdorferiBorrelia afzeliiB. afzeliiTick gutBorrelia gariniiOspAVivoAdherenceAntiserumPresent studySurface proteinsGut
2000
Attachment of Borrelia burgdorferi within Ixodes scapularis mediated by outer surface protein A
Pal U, de Silva A, Montgomery R, Fish D, Anguita J, Anderson J, Lobet Y, Fikrig E. Attachment of Borrelia burgdorferi within Ixodes scapularis mediated by outer surface protein A. Journal Of Clinical Investigation 2000, 106: 561-569. PMID: 10953031, PMCID: PMC380253, DOI: 10.1172/jci9427.Peer-Reviewed Original Research
1997
Temporal pattern of Borrelia burgdorferi p21 expression in ticks and the mammalian host.
Das S, Barthold SW, Giles SS, Montgomery RR, Telford SR, Fikrig E. Temporal pattern of Borrelia burgdorferi p21 expression in ticks and the mammalian host. Journal Of Clinical Investigation 1997, 99: 987-995. PMID: 9062357, PMCID: PMC507907, DOI: 10.1172/jci119264.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAntibodies, BacterialAntigens, BacterialAntigens, SurfaceArthritis, InfectiousBacterial Outer Membrane ProteinsBacterial ProteinsBacterial VaccinesBorrelia burgdorferi GroupElectrophoresis, Gel, Pulsed-FieldEnzyme-Linked Immunosorbent AssayFemaleFlagellinFluorescent Antibody Technique, IndirectGene Expression Regulation, BacterialHumansImmunizationImmunization, PassiveImmunoblottingIxodesLipoproteinsLyme DiseaseMiceMice, Inbred C3HPlasmidsPolymerase Chain ReactionRecombinant ProteinsRNA, MessengerTime FactorsConceptsInfected miceHumoral responseLate-stage Lyme diseaseMarkers of infectionCourse of diseaseMurine Lyme borreliosisB. burgdorferiB. burgdorferi infectionHuman humoral responseIxodes dammini ticksBurgdorferi-infected miceLyme arthritisActive immunizationMammalian hostsPassive transferBurgdorferi infectionC3H miceMurine infectionDay 14P21 antibodyP21 expressionLyme borreliosisLyme diseaseMiceInfection