Featured Publications
Sporadic urban leptospirosis.
Vinetz JM, Glass GE, Flexner CE, Mueller P, Kaslow DC. Sporadic urban leptospirosis. Annals Of Internal Medicine 1996, 125: 794-8. PMID: 8928985.Peer-Reviewed Original ResearchMalaria Resilience in South America: Epidemiology, Vector Biology, and Immunology Insights from the Amazonian International Center of Excellence in Malaria Research Network in Peru and Brazil
Torres K, Ferreira MU, Castro MC, Escalante AA, Conn JE, Villasis E, da Silva Araujo M, Almeida G, Rodrigues PT, Corder RM, Fernandes ARJ, Calil PR, Ladeia WA, Garcia-Castillo SS, Gomez J, do Valle Antonelli LR, Gazzinelli RT, Golenbock DT, Llanos-Cuentas A, Gamboa D, Vinetz JM. Malaria Resilience in South America: Epidemiology, Vector Biology, and Immunology Insights from the Amazonian International Center of Excellence in Malaria Research Network in Peru and Brazil. American Journal Of Tropical Medicine And Hygiene 2022, 107: 168-181. PMID: 36228921, PMCID: PMC9662219, DOI: 10.4269/ajtmh.22-0127.Peer-Reviewed Original ResearchConceptsImmune responseMalaria epidemiologyMalaria controlImportant public health priorityHuman immune responsePublic health priorityWestern Brazilian Amazon regionHealth priorityHuman reservoirSociodemographic featuresMalaria researchEpidemiologyMultidisciplinary approachRapid reemergenceVector biologyElimination strategyResearch NetworkMalaria vectorsInternational CentreFurther researchBrazilian Amazon regionSouth AmericaMalariaImmunologyResponseVaccination With Leptospira interrogans PF07598 Gene Family-Encoded Virulence Modifying Proteins Protects Mice From Severe Leptospirosis and Reduces Bacterial Load in the Liver and Kidney
Chaurasia R, Salovey A, Guo X, Desir G, Vinetz JM. Vaccination With Leptospira interrogans PF07598 Gene Family-Encoded Virulence Modifying Proteins Protects Mice From Severe Leptospirosis and Reduces Bacterial Load in the Liver and Kidney. Frontiers In Cellular And Infection Microbiology 2022, 12: 926994. PMID: 35837473, PMCID: PMC9274288, DOI: 10.3389/fcimb.2022.926994.Peer-Reviewed Original ResearchConceptsLethal challenge infectionChallenge infectionBacterial loadC3H/HeJ miceKey target organClinical pathogenesisSevere leptospirosisOrgan infectionProtein immunizationHeJ miceSerovar CanicolaTarget organsAnimal modelsLeptospirosis pathogenesisCellular pathogenesisMicePathogenesisInfectionLeptospira interrogansVirulence factorsModifying proteinsImmunizationKidneyLeptospirosisLiverInsights into Plasmodium vivax Asymptomatic Malaria Infections and Direct Skin-Feeding Assays to Assess Onward Malaria Transmission in the Amazon.
Moreno M, Torres K, Tong C, García Castillo SS, Carrasco-Escobar G, Guedez G, Torres L, Herrera-Varela M, Guerra L, Guzman-Guzman M, Wong D, Ramirez R, Llanos-Cuentas A, Conn JE, Gamboa D, Vinetz JM. Insights into Plasmodium vivax Asymptomatic Malaria Infections and Direct Skin-Feeding Assays to Assess Onward Malaria Transmission in the Amazon. American Journal Of Tropical Medicine And Hygiene 2022, 107: 154-161. PMID: 35895359, PMCID: PMC9294676, DOI: 10.4269/ajtmh.21-1217.Peer-Reviewed Original ResearchConceptsDirect skin feeding assaysMalaria infectionP. vivax malaria infectionsAsymptomatic malaria infectionsVivax malaria infectionMosquito feeding assaysDiverse epidemiological settingsCohort studySymptomatic infectionAsymptomatic individualsAsymptomatic infectionSymptomatic participantsParasite carriersPlasmodium vivaxEpidemiological settingsMalaria transmissionPlasmodium gametocytesInfectionMajor mosquito vectorsDisease transmissibilityParasite infectionLongitudinal studyMosquito vectorsInfection intensityInfectivityDemographic, exposure, clinical, biochemical and diagnostic data of febrile patients recruited for the largest field study on leptospirosis in Sri Lanka
Agampodi S, Warnasekara J, Siribaddana S, Kularatna S, Gamage C, Jayasundara D, Senevirathna I, Srimantha S, Kappagoda C, Weerawansa P, Pilapitiya S, Lokunarangoda N, Sarathchandra C, Senanayake H, Matthias M, Vinetz J. Demographic, exposure, clinical, biochemical and diagnostic data of febrile patients recruited for the largest field study on leptospirosis in Sri Lanka. Data In Brief 2022, 43: 108378. PMID: 35770027, PMCID: PMC9234077, DOI: 10.1016/j.dib.2022.108378.Peer-Reviewed Original Research
2024
Recurrence patterns and evolution of submicroscopic and asymptomatic Plasmodium vivax infections in malaria-endemic areas of the Peruvian Amazon
Castillo S, Alvarez C, Rosas-Aguirre Á, Acosta C, Corder R, Gómez J, Guzmán M, Speybroeck N, Llanos-Cuentas A, Castro M, Rosanas-Urgell A, Ferreira M, Vinetz J, Gamboa D, Torres K. Recurrence patterns and evolution of submicroscopic and asymptomatic Plasmodium vivax infections in malaria-endemic areas of the Peruvian Amazon. PLOS Neglected Tropical Diseases 2024, 18: e0012566. PMID: 39480785, PMCID: PMC11527163, DOI: 10.1371/journal.pntd.0012566.Peer-Reviewed Original ResearchConceptsRisk of P. vivax infectionPlasmodium vivax malaria transmissionFactors associated with recurrenceVivax malaria transmissionPlasmodium vivax infectionMalaria-endemic areasPopulation-based cohort studyFrequency of recurrenceApplication of molecular diagnostic methodsMalaria recurrenceMalaria infectionMalaria transmissionVivax infectionRecurrence rateMolecular diagnostic methodsRecurrence riskConsequences of prolonged exposureFollow-upCohort studyEndemic settingsRecurrenceAsymptomatic infectionAsymptomatic casesInfectionInitial infectionLower Microscopy Sensitivity with Decreasing Malaria Prevalence in the Urban Amazon Region, Brazil, 2018–2021 - Volume 30, Number 9—September 2024 - Emerging Infectious Diseases journal - CDC
Rodrigues P, Johansen I, Ladeia W, Esquivel F, Corder R, Tonini J, Calil P, Fernandes A, Fontoura P, Cavasini C, Vinetz J, Castro M, Ferreira M, . Lower Microscopy Sensitivity with Decreasing Malaria Prevalence in the Urban Amazon Region, Brazil, 2018–2021 - Volume 30, Number 9—September 2024 - Emerging Infectious Diseases journal - CDC. Emerging Infectious Diseases 2024, 30: 1884-1894. PMID: 39174028, PMCID: PMC11346994, DOI: 10.3201/eid3009.240378.Peer-Reviewed Original ResearchConceptsEffectiveness of malaria controlDecreasing malaria prevalenceEpidemiology of malariaPoint-of-care microscopyThreshold of microscopyPlasmodium vivaxMalaria prevalenceMalarial infectionMalaria controlMalaria transmissionP. falciparumMicroscopy sensitivityParasite densityAsymptomatic infectionRoutine surveillanceMalariaPrevalence surveyInfectionPrevalenceParasite genotypesTransmission hotspotsElimination strategiesRural residentsMolecular methodsCDCEvaluation of combination vaccines targeting transmission of Plasmodium falciparum and P. vivax
Cao Y, Hayashi C, Araujo M, Tripathi A, Andrade A, Medeiros J, Vinetz J, Kumar N. Evaluation of combination vaccines targeting transmission of Plasmodium falciparum and P. vivax. Vaccine 2024, 42: 126140. PMID: 39033079, PMCID: PMC11338703, DOI: 10.1016/j.vaccine.2024.07.041.Peer-Reviewed Original ResearchDirect membrane feeding assaysTransmission-reducing activityStandard membrane feeding assayMembrane feeding assaysP. vivaxDNA vaccineP. falciparumPlasmodium falciparumTransmission of Plasmodium falciparumAntibody responseDNA vaccine platformP. vivax accountsGlobal malaria burdenTransmission-blocking activityTransmission of malariaCombination of DNA vaccineIn vivo electroporationCombined DNA vaccineMalaria burdenMalaria transmissionTransmission-blockingAssess immunogenicityVaccine platformClinical studiesCombination groupGenomic surveillance of malaria parasites in an indigenous community in the Peruvian Amazon
Cabrera-Sosa L, Nolasco O, Kattenberg J, Fernandez-Miñope C, Valdivia H, Barazorda K, Arévalo de los Rios S, Rodriguez-Ferrucci H, Vinetz J, Rosanas-Urgell A, Van geertruyden J, Gamboa D, Delgado-Ratto C. Genomic surveillance of malaria parasites in an indigenous community in the Peruvian Amazon. Scientific Reports 2024, 14: 16291. PMID: 39009685, PMCID: PMC11250820, DOI: 10.1038/s41598-024-66925-x.Peer-Reviewed Original ResearchConceptsPassive case detectionPf parasitesPersistent malaria transmissionPfhrp2/3 gene deletionsDeep sequencing assaySulfadoxine-pyrimethamineMalaria casesMalaria eliminationPlasmodium vivaxMalaria parasitesMalaria transmissionP. falciparumResistance mutationsImported infectionsMalariaPopulation genetic indicesSequencing assayCase detectionGene deletionPV populationResistance markersGenetic diversityPeruvian AmazonGenomic surveillanceGenetic indicesComputational reassessment of RNA-seq data reveals key genes in active tuberculosis
Arya R, Shakya H, Chaurasia R, Kumar S, Vinetz J, Kim J. Computational reassessment of RNA-seq data reveals key genes in active tuberculosis. PLOS ONE 2024, 19: e0305582. PMID: 38935691, PMCID: PMC11210783, DOI: 10.1371/journal.pone.0305582.Peer-Reviewed Original ResearchConceptsMolecular Complex DetectionProtein-protein interactionsDeregulated genesGene OntologyRNA-seq dataGene Expression Omnibus (GEO) databaseIncreasing prevalence of multidrug-resistantGEO2R online toolPrevalence of multidrug resistancePathway enrichment analysisExpression levelsPatterns of variationGene expression levelsArea under curveInnate immune responseGene networksCore genesMicroarray datasetsSTRING databaseTranscript levelsEnrichment analysisGenesInterferon signalingInterferon-gamma signalingResponse to Mtb infectionAn atlas of human vector-borne microbe interactions reveals pathogenicity mechanisms
Hart T, Sonnert N, Tang X, Chaurasia R, Allen P, Hunt J, Read C, Johnson E, Arora G, Dai Y, Cui Y, Chuang Y, Yu Q, Rahman M, Mendes M, Rolandelli A, Singh P, Tripathi A, Ben Mamoun C, Caimano M, Radolf J, Lin Y, Fingerle V, Margos G, Pal U, Johnson R, Pedra J, Azad A, Salje J, Dimopoulos G, Vinetz J, Carlyon J, Palm N, Fikrig E, Ring A. An atlas of human vector-borne microbe interactions reveals pathogenicity mechanisms. Cell 2024, 187: 4113-4127.e13. PMID: 38876107, DOI: 10.1016/j.cell.2024.05.023.Peer-Reviewed Original ResearchCell invasionHost-microbe interactionsArthropod-borne pathogensHost sensingMicrobe interactionsTranscriptional regulationLyme disease spirocheteMicrobial interactionsExtracellular proteinsMicrobial pathogenesisEpidermal growth factorTissue colonizationEnvironmental cuesBacterial selectivityIntracellular pathogensPutative interactionsNext-generation therapeuticsPathogensFunctional investigationsInteractomeVector-borne diseasesImmune evasionPathogenic mechanismsStrainUnmet medical needEffect of spatiotemporal variables on abundance, biting activity and parity of Nyssorhynchus darlingi (Diptera: Culicidae) in peri-Iquitos, Peru
Bickersmith S, Saavedra M, Prussing C, Lange R, Morales J, Alava F, Vinetz J, Gamboa D, Moreno M, Conn J. Effect of spatiotemporal variables on abundance, biting activity and parity of Nyssorhynchus darlingi (Diptera: Culicidae) in peri-Iquitos, Peru. Malaria Journal 2024, 23: 112. PMID: 38641572, PMCID: PMC11031940, DOI: 10.1186/s12936-024-04940-z.Peer-Reviewed Original ResearchConceptsMalaria transmissionBreeding site availabilityPresence of Plasmodium vivaxDry seasonBiting behaviorRisk of malaria transmissionMalaria-endemic regionsHuman malaria casesPlasmodium falciparum sporozoitesRainy seasonCommunity typesNyssorhynchus darlingiRates of parityReal-time PCRAmazonian PeruP. vivaxMalaria casesPlasmodium vivaxHuman landing catchesP. falciparumEffect of seasonMosquito behaviorConclusionsThese dataDaily survivalDarlingiCase Report: Plasmodium vivax Sporozoite Melanization in the Midgut and Salivary Gland of the Malaria Vector Anopheles darlingi
Dos Santos N, da Silva Bastos A, Araújo J, Pontual J, Medeiros J, Vinetz J, da Silva Araujo M. Case Report: Plasmodium vivax Sporozoite Melanization in the Midgut and Salivary Gland of the Malaria Vector Anopheles darlingi. American Journal Of Tropical Medicine And Hygiene 2024, 110: 444-447. PMID: 38350139, PMCID: PMC10919193, DOI: 10.4269/ajtmh.23-0349.Peer-Reviewed Original ResearchResponses to P. vivaxPlasmodium falciparum parasitesPrimary malaria vectorPlasmodium vivaxVector Anopheles darlingiFalciparum parasitesMalaria parasitesMalaria vector Anopheles darlingiPlasmodium parasitesSalivary glandsMalaria vectorsPlasmodiumAnopheline mosquitoesAnopheles darlingiMalariaDarlingiVivaxSalivaryGlandTransmission-reducing and -enhancing monoclonal antibodies against Plasmodium vivax gamete surface protein Pvs48/45
Bansal G, da Silva Araujo M, Cao Y, Shaffer E, Araujo J, Medeiros J, Hayashi C, Vinetz J, Kumar N. Transmission-reducing and -enhancing monoclonal antibodies against Plasmodium vivax gamete surface protein Pvs48/45. Infection And Immunity 2024, 92: e00374-23. PMID: 38289124, PMCID: PMC10929423, DOI: 10.1128/iai.00374-23.Peer-Reviewed Original ResearchDirect membrane feeding assaysTransmission-blocking vaccinesTransmission-blocking vaccine developmentMalaria transmission-blocking vaccineBlocked oocyst developmentInfectivity of gametocytesMale gamete fertilityMonoclonal antibodiesMembrane feeding assaysTransmission-blocking activityPvs48/45Activity of antibodiesNon-overlapping epitopesOocyst developmentPotential vaccine candidatesIndividual MAbsVaccine candidatesEffective immunogensChallenge modelMAbAntibodiesGametocytesEpitopesRecombinant fragmentsEnhanced activityA prospective cohort study linking migration, climate, and malaria risk in the Peruvian Amazon – CORRIGENDUM
Gunderson A, Recalde-Coronel C, Zaitchik B, Yori P, Pinedo S, Olortegui M, Kosek M, Vinetz J, Pan W. A prospective cohort study linking migration, climate, and malaria risk in the Peruvian Amazon – CORRIGENDUM. Epidemiology And Infection 2024, 152: e5. PMID: 38214060, PMCID: PMC10789972, DOI: 10.1017/s0950268824000025.Peer-Reviewed Original ResearchGetting leptospirosis onto the lists of neglected tropical diseases
Vinetz J, Chetrick A, Steimel K, Devillers C, Excler J, Kim J, Agampodi S. Getting leptospirosis onto the lists of neglected tropical diseases. Open Access Government 2024, 43: 52-54. DOI: 10.56367/oag-043-11310.Peer-Reviewed Original Research
2023
A prospective cohort study linking migration, climate, and malaria risk in the Peruvian Amazon
Gunderson A, Recalde-Coronel C, Zaitchik B, Yori P, Pinedo S, Olortegui M, Kosek M, Vinetz J, Pan W. A prospective cohort study linking migration, climate, and malaria risk in the Peruvian Amazon. Epidemiology And Infection 2023, 151: e202. PMID: 38031496, PMCID: PMC10753477, DOI: 10.1017/s0950268823001838.Peer-Reviewed Original ResearchWhole genome sequencing data of Leptospira weilii and Leptospira kirschneri isolated from human subjects of Sri Lanka
Senavirathna I, Jayasundara D, Warnasekara J, Matthias M, Vinetz J, Agampodi S. Whole genome sequencing data of Leptospira weilii and Leptospira kirschneri isolated from human subjects of Sri Lanka. Data In Brief 2023, 52: 109840. PMID: 38059003, PMCID: PMC10696454, DOI: 10.1016/j.dib.2023.109840.Peer-Reviewed Original ResearchGenome sequenceSingle-molecule real-time platformsNCBI Prokaryotic Genome Annotation PipelineLeptospira weiliiHigh-quality genomic DNAProkaryotic Genome Annotation PipelineComparative genomic analysisWhole-genome sequencing dataComplete genome sequenceGenome Annotation PipelineGenome sequencing dataLeptospira kirschneriMid-log phase culturesWhole-genome sequencingGenome featuresGenomic analysisAnnotation pipelineGenomic DNASequencing dataGenome sequencingNovel strainMolecular diagnostic toolsPhase culturesSpeciesGenus LeptospiraOptimization of Plasmodium vivax infection of colonized Amazonian Anopheles darlingi
Andrade A, Santos N, Bastos A, Pontual J, Araújo C, Lima A, Martinez L, Ferreira A, Aguiar A, Teles C, Guido R, Santana R, Lopes S, Medeiros J, Rizopoulos Z, Vinetz J, Campo B, Lacerda M, Araújo M. Optimization of Plasmodium vivax infection of colonized Amazonian Anopheles darlingi. Scientific Reports 2023, 13: 18207. PMID: 37875508, PMCID: PMC10598059, DOI: 10.1038/s41598-023-44556-y.Peer-Reviewed Original ResearchConceptsP. vivax liver stagesPlasmodium vivax infectionPlasmodium vivax sporozoitesLiver stage parasitesP. vivax sporozoitesFemale anopheline mosquitoesVivax infectionLiver stagesHepatocyte infectionVaccine developmentStage parasitesSporozoite viabilityMembrane feeding systemSporozoite productionDrug developmentSporozoitesAnopheline mosquitoesInfectionParasite biologyArtificial membrane feeding systemPatientsSimple centrifugation methodSerum replacementBloodMutations Linked to Insecticide Resistance Not Detected in the Ace-1 or VGSC Genes in Nyssorhynchus darlingi from Multiple Localities in Amazonian Brazil and Peru
Bickersmith S, Jurczynski J, Sallum M, Chaves L, Bergo E, Rodriguez G, Morante C, Rios C, Saavedra M, Alava F, Gamboa D, Vinetz J, Conn J. Mutations Linked to Insecticide Resistance Not Detected in the Ace-1 or VGSC Genes in Nyssorhynchus darlingi from Multiple Localities in Amazonian Brazil and Peru. Genes 2023, 14: 1892. PMID: 37895241, PMCID: PMC10606710, DOI: 10.3390/genes14101892.Peer-Reviewed Original ResearchConceptsIndoor residual sprayMalaria endemic localitiesLow-intensity resistanceResistance mechanismsMalaria hotspotsCommon interventionInsecticidal netsMain resistance mechanismMalaria transmissionGenotypic detectionCodon 280Resistance mutationsEndemic localitiesPrimary malaria vectorVoltage-gated sodium channel geneResidual spraySodium channel geneChannel genesNon-synonymous mutationsACEPresent studyMalaria vectorsInterventionMutationsS6 segment