2024
Laboratory Management of Mammalian Hosts for Ixodes scapularis -Host-Pathogen Interaction Studies.
Narasimhan S, Cibichakravarthy B, Wu M, Holter M, Walsh C, Goodrich J. Laboratory Management of Mammalian Hosts for Ixodes scapularis -Host-Pathogen Interaction Studies. Journal Of The American Association For Laboratory Animal Science 2024, 74: 235-245. PMID: 39289828, PMCID: PMC11373684, DOI: 10.30802/aalas-cm-24-036.Peer-Reviewed Original ResearchConceptsTick feedingHard-bodied ticksTick speciesArtificial membrane feedingHard ticksMammalian hostsAnimal healthHost-pathogen interaction studiesIxodes scapularisTicksManagement practicesNatural geographic rangePotential vectorsRabbit hostsFeedingHost healthGeographic rangePathogenic organismsInfectious prionsAnimal useRelevant speciesIxodesGuinea pigsLife cycleInteraction studiesTick-borne infections in children in North America
Taylor-Salmon E, Shapiro E. Tick-borne infections in children in North America. Current Opinion In Pediatrics 2024, 36: 156-163. PMID: 38167816, PMCID: PMC10932821, DOI: 10.1097/mop.0000000000001326.Peer-Reviewed Original Research
2023
Metabolomic changes associated with acquired resistance to Ixodes scapularis
Cui Y, Matias J, Tang X, Cibichakravarthy B, DePonte K, Wu M, Fikrig E. Metabolomic changes associated with acquired resistance to Ixodes scapularis. Ticks And Tick-borne Diseases 2023, 15: 102279. PMID: 37972499, DOI: 10.1016/j.ttbdis.2023.102279.Peer-Reviewed Original ResearchGuinea pigsHydroxyphenyllactic acidMetabolome of serumGroups of miceTyrosine metabolic pathwayTick biteImmune responseControl animalsIxodes scapularisTick salivaI. scapularisMiceInduction of componentsMetabolomic changesMortalityNitisinoneMolecular mechanismsAnimalsMetabolism pathwaysTyrosine degradationPigsTyrosine metabolism pathwayMetabolic pathwaysScapularisMetabolome
2022
Identification of novel conserved Ixodes vaccine candidates; a promising role for non-secreted salivary gland proteins
Trentelman J, de Vogel F, Colstrup E, Sima R, Coumou J, Koetsveld J, Klouwens M, Nayak A, Ersoz J, Barriales D, Tomás-Cortázar J, Narasimhan S, Hajdusek O, Anguita J, Hovius J. Identification of novel conserved Ixodes vaccine candidates; a promising role for non-secreted salivary gland proteins. Vaccine 2022, 40: 7593-7603. PMID: 36357287, DOI: 10.1016/j.vaccine.2022.10.032.Peer-Reviewed Original ResearchConceptsTick salivary gland proteinsAnti-tick vaccinesTick immunityVaccine candidatesSalivary gland proteinsLyme borreliosisNymphal I. ricinusExperimental Lyme borreliosisImmune animalsVaccination studiesTick feedingI. ricinusTick attachmentNymphal ticksPathogen transmissionGuinea pigsIxodes scapularisI. scapularisGland proteinsVaccineCausative agentImmunityMain vectorIdentification of novelPromising roleImmunization of guinea pigs with cement extract induces resistance against Ixodes scapularis ticks
Lynn GE, Černý J, Kurokawa C, Diktaş H, Matias J, Sajid A, Arora G, DePonte K, Narasimhan S, Fikrig E. Immunization of guinea pigs with cement extract induces resistance against Ixodes scapularis ticks. Ticks And Tick-borne Diseases 2022, 13: 102017. PMID: 35963188, DOI: 10.1016/j.ttbdis.2022.102017.Peer-Reviewed Original ResearchTick salivaAnti-tick vaccinesTick-host interfaceSpecific protective antigensTick engorgement weightIxodes scapularis ticksTick speciesTick feedingEngorgement weightFeeding ticksHost resistanceTickborne pathogensDisease agentsAnimal hostsIxodes scapularisFemale I. scapularisI. scapularisScapularis ticksTicksImportant vectorTick detachmentPrimary vectorMidgut extractsProtective antigenHematophagous parasites
2021
Babesiosis
Chen T, Mamoun C, Krause P. Babesiosis. 2021, 1298-1304. DOI: 10.1093/med/9780190888367.003.0200.Peer-Reviewed Original ResearchB. microtiHard-bodied ticksHuman granulocytic anaplasmosisPowassan virusEtiologic agentIntraerythrocytic protozoaLyme diseaseBorrelia miyamotoiGranulocytic anaplasmosisBabesia infectionBorrelia burgdorferiDiseaseZoonotic diseaseB. duncaniAnaplasma phagocytophilumApicomplexa phylumInfectionMicrotiB. venatorumB. divergensBabesia sppBabesiosisIxodes scapularisPrimary vectorFeverVector competence of human-biting ticks Ixodes scapularis, Amblyomma americanum and Dermacentor variabilis for Powassan virus
Sharma R, Cozens D, Armstrong P, Brackney D. Vector competence of human-biting ticks Ixodes scapularis, Amblyomma americanum and Dermacentor variabilis for Powassan virus. Parasites & Vectors 2021, 14: 466. PMID: 34503550, PMCID: PMC8427896, DOI: 10.1186/s13071-021-04974-1.Peer-Reviewed Original ResearchConceptsNaïve miceBALB/c micePublic health threatViremic miceC micePowassan virusIxodes sppIxodes scapularisInfection statusConclusionsOur findingsMiceDermacentor variabilisHealth threatPOWVTransmission fociTick speciesPotential roleInfected nymphsCompetent vectorsVector competenceEpidemiologyHuman riskFuture studiesResultsThe resultsVirusTick extracellular vesicles enable arthropod feeding and promote distinct outcomes of bacterial infection
Oliva Chávez AS, Wang X, Marnin L, Archer NK, Hammond HL, Carroll EEM, Shaw DK, Tully BG, Buskirk AD, Ford SL, Butler LR, Shahi P, Morozova K, Clement CC, Lawres L, Neal A, Mamoun CB, Mason KL, Hobbs BE, Scoles GA, Barry EM, Sonenshine DE, Pal U, Valenzuela JG, Sztein MB, Pasetti MF, Levin ML, Kotsyfakis M, Jay SM, Huntley JF, Miller LS, Santambrogio L, Pedra JHF. Tick extracellular vesicles enable arthropod feeding and promote distinct outcomes of bacterial infection. Nature Communications 2021, 12: 3696. PMID: 34140472, PMCID: PMC8211691, DOI: 10.1038/s41467-021-23900-8.Peer-Reviewed Original ResearchMeSH KeywordsAnaplasma phagocytophilumAnimalsArthropodsBacterial InfectionsCell LineDermacentorExtracellular VesiclesFrancisella tularensisGene OntologyHumansInflammationIntravital MicroscopyIxodesMaleMiceMice, Inbred C57BLMice, KnockoutMicroscopy, Electron, TransmissionProteomicsR-SNARE ProteinsSkinT-LymphocytesTandem Mass SpectrometryTicksVesicle-Associated Membrane Protein 2ConceptsExtracellular vesiclesBiology of arthropodsSynaptobrevin 2Pathogen Francisella tularensisMammalian hostsArthropodsVector feedingDistinct outcomesPathogen transmissionVesiclesMicrobial spreadingVector-borne diseasesFrancisella tularensisBacterial infectionsTicks DermacentorIxodes scapularisAnaplasma phagocytophilumBiologySkin immunitySnareDendritic epidermal T cellsPathogensHostT cellsTularensisGrappling with the tick microbiome
Narasimhan S, Swei A, Abouneameh S, Pal U, Pedra JHF, Fikrig E. Grappling with the tick microbiome. Trends In Parasitology 2021, 37: 722-733. PMID: 33962878, PMCID: PMC8282638, DOI: 10.1016/j.pt.2021.04.004.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsConceptsTick microbiomeRelated tick speciesMultiple human pathogensHost preferenceSequencing technologiesTick biologyHuman pathogensMicrobiomeMechanistic insightsTick speciesLife cycleIxodes pacificusIxodes scapularisIxodid ticksCausative agentNorth AmericaBorrelia burgdorferiPredominant vectorBiological variablesHabitatsPacificusBiologySpeciesPathogens
2020
644. Borrelia miyamotoi and Borrelia burgdorferi Seroprevalence in New England
Johnston D, Kelly J, Ledizet M, Lavoie N, Krause P. 644. Borrelia miyamotoi and Borrelia burgdorferi Seroprevalence in New England. Open Forum Infectious Diseases 2020, 7: s381-s381. PMCID: PMC7777872, DOI: 10.1093/ofid/ofaa439.838.Peer-Reviewed Original ResearchSerum samplesB. burgdorferi antibodiesMethods Serum samplesNon-endemic areasResidential zip codeResidential countyBackground diseasesBurgdorferi antibodiesMultiplex LuminexStudy participantsLyme diseaseSpirochetal pathogensBorrelia miyamotoiB. miyamotoiBorrelia burgdorferiB. burgdorferiCausative agentZip codesHuman exposureDiseaseAntibodiesMiyamotoiBurgdorferiIxodes scapularisFractionation of tick saliva reveals proteins associated with the development of acquired resistance to Ixodes scapularis
Černý J, Lynn G, DePonte K, Ledizet M, Narasimhan S, Fikrig E. Fractionation of tick saliva reveals proteins associated with the development of acquired resistance to Ixodes scapularis. Vaccine 2020, 38: 8121-8129. PMID: 33168347, DOI: 10.1016/j.vaccine.2020.10.087.Peer-Reviewed Original ResearchConceptsTick-borne pathogensTick immunityTick salivaTick vaccinesMultiple tick-borne pathogensIxodes scapularisGuinea pig modelTick salivary antigensTick rejectionTick Ixodes scapularisPig modelTick feedingNortheast USASalivary antigensGlobal medical problemDevelopment of vaccinesTicksMain vectorPathogensSaliva fractionsScapularisMedical problemsImmunityVaccineSalivaIxodes scapularis saliva components that elicit responses associated with acquired tick-resistance
Narasimhan S, Kurokawa C, Diktas H, Strank NO, Černý J, Murfin K, Cao Y, Lynn G, Trentleman J, Wu MJ, DePonte K, Kantor F, Anguita J, Hovius J, Fikrig E. Ixodes scapularis saliva components that elicit responses associated with acquired tick-resistance. Ticks And Tick-borne Diseases 2020, 11: 101369. PMID: 31924502, PMCID: PMC7382422, DOI: 10.1016/j.ttbdis.2019.101369.Peer-Reviewed Original ResearchConceptsTick-borne diseasesSalivary antigensAnti-tick vaccine candidatesIxodes scapularisTick salivary antigensTransmission of pathogensTick infestationTick rejectionTick proteinsViable vaccine targetsTick feedingPathogen transmissionRise worldTicksHost immune responseUrgent public health needScapularisMammalian hostsPathogensPublic health needsVaccine candidatesImmune responseSalivary glycoproteinsFeedingVaccine targeting
2019
Corrigendum to “Vertical transmission rates of Borrelia miyamotoi in Ixodes scapularis collected from white-tailed deer” [Ticks Tick-Borne Dis. 10 (2019) 682–689]
Han S, Lubelczyk C, Hickling GJ, Belperron AA, Bockenstedt LK, Tsao JI. Corrigendum to “Vertical transmission rates of Borrelia miyamotoi in Ixodes scapularis collected from white-tailed deer” [Ticks Tick-Borne Dis. 10 (2019) 682–689]. Ticks And Tick-borne Diseases 2019, 10: 1173. PMID: 31129067, DOI: 10.1016/j.ttbdis.2019.05.003.Peer-Reviewed Original ResearchSeroprevalence of <em>Borrelia burgdorferi</em>, <em>B. miyamotoi</em>, and Powassan Virus in Residents Bitten by <em>Ixodes</em> Ticks, Maine, USA - Volume 25, Number 4—April 2019 - Emerging Infectious Diseases journal - CDC
Smith RP, Elias SP, Cavanaugh CE, Lubelczyk CB, Lacombe EH, Brancato J, Doyle H, Rand PW, Ebel GD, Krause PJ. Seroprevalence of Borrelia burgdorferi, B. miyamotoi, and Powassan Virus in Residents Bitten by Ixodes Ticks, Maine, USA - Volume 25, Number 4—April 2019 - Emerging Infectious Diseases journal - CDC. Emerging Infectious Diseases 2019, 25: 804-807. PMID: 30882312, PMCID: PMC6433028, DOI: 10.3201/eid2504.180202.Peer-Reviewed Original Research
2018
Host-specific expression of Ixodes scapularis salivary genes
Narasimhan S, Booth CJ, DePonte K, Wu MJ, Liang X, Mohanty S, Kantor F, Fikrig E. Host-specific expression of Ixodes scapularis salivary genes. Ticks And Tick-borne Diseases 2018, 10: 386-397. PMID: 30545615, DOI: 10.1016/j.ttbdis.2018.12.001.Peer-Reviewed Original ResearchConceptsVector-host interactionsTick infestationI. scapularisReservoir hostsNon-reservoir hostsHost-specific expressionRodent reservoir hostsInfected ticksPathogen transmissionZoonotic cycleSalivary genesIxodes scapularisTicksNatural hostScapularisInfestationTick biteLyme diseaseBorrelia burgdorferiLarval stagesPathogensHostPeromyscus leucopusStrong immune responseSalivary transcriptome
2017
Modulation of the tick gut milieu by a secreted tick protein favors Borrelia burgdorferi colonization
Narasimhan S, Schuijt TJ, Abraham NM, Rajeevan N, Coumou J, Graham M, Robson A, Wu MJ, Daffre S, Hovius JW, Fikrig E. Modulation of the tick gut milieu by a secreted tick protein favors Borrelia burgdorferi colonization. Nature Communications 2017, 8: 184. PMID: 28775250, PMCID: PMC5543126, DOI: 10.1038/s41467-017-00208-0.Peer-Reviewed Original ResearchConceptsB. burgdorferi colonizationTick gutImmune responseRNA interference-mediated silencingGut microbiomeLyme disease agentBorrelia burgdorferiB. burgdorferiGutTick proteinsVivo resultsBurgdorferiPixRAbrogationTick Ixodes scapularisArthropod vectorsDisease agentsGut proteinsIxodes scapularisAlterationsGut genesMicrobiomeTick biologyMiceBacterial biofilm formation
2014
Antivirulence Properties of an Antifreeze Protein
Heisig M, Abraham NM, Liu L, Neelakanta G, Mattessich S, Sultana H, Shang Z, Ansari JM, Killiam C, Walker W, Cooley L, Flavell RA, Agaisse H, Fikrig E. Antivirulence Properties of an Antifreeze Protein. Cell Reports 2014, 9: 417-424. PMID: 25373896, PMCID: PMC4223805, DOI: 10.1016/j.celrep.2014.09.034.Peer-Reviewed Original ResearchConceptsAntifreeze proteinsDiverse bacteriaProtein bindsWild-type animalsBiofilm formationAntivirulence agentsIAFGPMethicillin-resistant Staphylococcus aureusHost controlProteinAntifreeze glycoproteinsIxodes scapularisAntivirulence propertiesBacteriaSeptic shockTherapeutic strategiesBacterial infectionsInfectious diseasesMicrobesStaphylococcus aureusFliesBindsInfectionCatheter tubingPathogens
2013
Characterization of Ixophilin, A Thrombin Inhibitor from the Gut of Ixodes scapularis
Narasimhan S, Perez O, Mootien S, DePonte K, Koski RA, Fikrig E, Ledizet M. Characterization of Ixophilin, A Thrombin Inhibitor from the Gut of Ixodes scapularis. PLOS ONE 2013, 8: e68012. PMID: 23874485, PMCID: PMC3706618, DOI: 10.1371/journal.pone.0068012.Peer-Reviewed Original ResearchConceptsTick gutBlood mealVertebrate hostsTick gut proteinsPathogen transmissionBorrelia burgdorferi transmissionAnticoagulation strategiesThrombin inhibitory activityHemostatic mechanismThrombin inhibitorsMammalian coagulationIxodes scapularisMammalian hostsTick salivaLyme diseaseKey enzymeGut proteinsBorrelia burgdorferiTick feedingHost bloodHours of feedingGutFunctional suiteTick proteinsHuman pathogens
2012
Transovarial transmission of Borrelia spirochetes by Ixodes scapularis: A summary of the literature and recent observations
Rollend L, Fish D, Childs JE. Transovarial transmission of Borrelia spirochetes by Ixodes scapularis: A summary of the literature and recent observations. Ticks And Tick-borne Diseases 2012, 4: 46-51. PMID: 23238242, DOI: 10.1016/j.ttbdis.2012.06.008.Peer-Reviewed Original ResearchImmunization with adenoviral-vectored tick salivary gland proteins (SALPs) in a murine model of Lyme borreliosis
Ullmann AJ, Dolan MC, Sackal CA, Fikrig E, Piesman J, Zeidner NS. Immunization with adenoviral-vectored tick salivary gland proteins (SALPs) in a murine model of Lyme borreliosis. Ticks And Tick-borne Diseases 2012, 4: 160-163. PMID: 23141105, PMCID: PMC4306421, DOI: 10.1016/j.ttbdis.2012.08.006.Peer-Reviewed Original ResearchConceptsTick salivary proteinsBorrelia burgdorferi infectionSalivary proteinsTick salivary gland proteinsSalivary gland proteinsTh1 responseImmunized miceSpecific immunityBurgdorferi infectionMurine modelSpirochete loadLyme borreliosisPrior exposureAdenovirus expression systemAdenoviral vectorTick challengeVaccinationMammalian hostsIxodes scapularisVertebrate hosts
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