2024
Tissue spaces are reservoirs of antigenic diversity for Trypanosoma brucei
Beaver A, Keneskhanova Z, Cosentino R, Weiss B, Awuoche E, Smallenberger G, Buenconsejo G, Crilly N, Smith J, Hakim J, Zhang B, Bobb B, Rijo-Ferreira F, Figueiredo L, Aksoy S, Siegel T, Mugnier M. Tissue spaces are reservoirs of antigenic diversity for Trypanosoma brucei. Nature 2024, 636: 430-437. PMID: 39478231, PMCID: PMC11634766, DOI: 10.1038/s41586-024-08151-z.Peer-Reviewed Original ResearchVariant surface glycoproteinAntigenic diversityAntigenic variationHigh-throughput sequencing approachDense variant surface glycoproteinPopulations of T. bruceiDynamics of antigenic variationGenomic repertoirePathogen diversificationSequencing approachExtravascular spaceTrypanosoma bruceiVariation in vivoHost immune systemAntigenic variation in vivoSurface glycoproteinSlow immune responseDiversitySwitching expressionParasite populations
2020
Use of a Plasmodium vivax genetic barcode for genomic surveillance and parasite tracking in Sri Lanka
Dewasurendra RL, Baniecki ML, Schaffner S, Siriwardena Y, Moon J, Doshi R, Gunawardena S, Daniels RF, Neafsey D, Volkman S, Chandrasekharan NV, Wirth DF, Karunaweera ND. Use of a Plasmodium vivax genetic barcode for genomic surveillance and parasite tracking in Sri Lanka. Malaria Journal 2020, 19: 342. PMID: 32958025, PMCID: PMC7504840, DOI: 10.1186/s12936-020-03386-3.Peer-Reviewed Original Research
2018
Dramatic Changes in Malaria Population Genetic Complexity in Dielmo and Ndiop, Senegal, Revealed Using Genomic Surveillance
Bei AK, Niang M, Deme AB, Daniels RF, Sarr FD, Sokhna C, Talla C, Faye J, Diagne N, Doucoure S, Mboup S, Wirth DF, Tall A, Ndiaye D, Hartl DL, Volkman SK, Toure-Balde A. Dramatic Changes in Malaria Population Genetic Complexity in Dielmo and Ndiop, Senegal, Revealed Using Genomic Surveillance. The Journal Of Infectious Diseases 2018, 217: 622-627. PMID: 29325146, PMCID: PMC6279132, DOI: 10.1093/infdis/jix580.Peer-Reviewed Original Research
2017
Genetic relatedness analysis reveals the cotransmission of genetically related Plasmodium falciparum parasites in Thiès, Senegal
Wong W, Griggs AD, Daniels RF, Schaffner SF, Ndiaye D, Bei AK, Deme AB, MacInnis B, Volkman SK, Hartl DL, Neafsey DE, Wirth DF. Genetic relatedness analysis reveals the cotransmission of genetically related Plasmodium falciparum parasites in Thiès, Senegal. Genome Medicine 2017, 9: 5. PMID: 28118860, PMCID: PMC5260019, DOI: 10.1186/s13073-017-0398-0.Peer-Reviewed Original ResearchConceptsPolygenomic infectionsRelatedness of strainsMalaria elimination activitiesPlasmodium falciparum parasitesPublic health interventionsEpidemiology modelFalciparum parasitesHealth interventionsDrug resistanceInfectionParasite populationsConclusionsOur findingsCotransmissionSuperinfection modelElimination activitiesTransmission intensityGenetic relatedness analysisGenetic profileInterventionParasitesMajor contributorPatientsPopulationSuperinfectionThiès
2015
Parasitological Confirmation and Analysis of Leishmania Diversity in Asymptomatic and Subclinical Infection following Resolution of Cutaneous Leishmaniasis
Rosales-Chilama M, Gongora RE, Valderrama L, Jojoa J, Alexander N, Rubiano LC, Cossio A, Adams ER, Saravia NG, Gomez MA. Parasitological Confirmation and Analysis of Leishmania Diversity in Asymptomatic and Subclinical Infection following Resolution of Cutaneous Leishmaniasis. PLOS Neglected Tropical Diseases 2015, 9: e0004273. PMID: 26659114, PMCID: PMC4684356, DOI: 10.1371/journal.pntd.0004273.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAgedAged, 80 and overAsymptomatic InfectionsBlotting, SouthernChildCluster AnalysisColombiaDNA, HelminthDNA, KinetoplastFemaleGenetic VariationGenotypeHumansLeishmaniaLeishmaniasis, CutaneousMaleMiddle AgedMolecular Sequence DataPhylogenyPolymerase Chain ReactionRNA, Small CytoplasmicSequence Analysis, DNASignal Recognition ParticleYoung AdultConceptsCutaneous leishmaniasisSubclinical infectionParasitological confirmationAsymptomatic infectionEndemic areasHistory of CLTest-positive individualsImmunological evidenceViability of LeishmaniaMucosal swab samplesPersistent subclinical infectionMucosal tissue samplesReservoir of infectionActive diseaseLeishmania kDNALeishmania infectionPositive individualsPersistent infectionBlood monocytesParasite burdenInfectionParasite populationsSwab samplesTransmission of diseaseTissue samples
2014
Characterization of Plasmodium developmental transcriptomes in Anopheles gambiae midgut reveals novel regulators of malaria transmission
Akinosoglou K, Bushell E, Ukegbu C, Schlegelmilch T, Cho J, Redmond S, Sala K, Christophides G, Vlachou D. Characterization of Plasmodium developmental transcriptomes in Anopheles gambiae midgut reveals novel regulators of malaria transmission. Cellular Microbiology 2014, 17: 254-268. PMID: 25225164, PMCID: PMC4371638, DOI: 10.1111/cmi.12363.Peer-Reviewed Original ResearchConceptsTranscriptional programsOokinete developmentRodent malaria parasite Plasmodium bergheiMalaria parasite Plasmodium bergheiDistinct transcriptional programsMosquito midgut invasionMalaria parasite populationsDevelopmental transcriptomeAnopheles gambiae mosquitoesPenetrant lossFunction phenotypesMidgut invasionHomologous recombinationGamete releasePlasmodium developmentMutant parasitesDevelopmental processesDNA microarraysGranular localizationInfection phenotypesEstablishment of infectionMosquito midgutShort polypeptidesParasite populationsParasite development
2013
PlasmoView: A Web-based Resource to Visualise Global Plasmodium falciparum Genomic Variation
Preston M, Assefa S, Ocholla H, Sutherland C, Borrmann S, Nzila A, Michon P, Hien T, Bousema T, Drakeley C, Zongo I, Ouédraogo J, Djimde A, Doumbo O, Nosten F, Fairhurst R, Conway D, Roper C, Clark T. PlasmoView: A Web-based Resource to Visualise Global Plasmodium falciparum Genomic Variation. The Journal Of Infectious Diseases 2013, 209: 1808-1815. PMID: 24338354, PMCID: PMC4017360, DOI: 10.1093/infdis/jit812.Peer-Reviewed Original ResearchConceptsGenomic variationSingle nucleotide polymorphismsHigh-quality single nucleotide polymorphismsHigh-throughput sequencingInter-population differencesGenetic barcodesPlasmodium biologyGenetic variabilityGenomic dataInformative variantsDrug resistanceParasite populationsDifferential phenotypesLaboratory strainsMalaria parasitesNovel mutationsGlobal public health challengeNew insightsPf isolatesMalaria-endemic regionsPublic health challengePlasmodium falciparum speciesMedicine applicationsWeb-based resourcesClinical studies
1998
Allelic diversity in the merozoite surface protein-1 and epidemiology of multiple-clone Plasmodium falciparum infections in northern Tanzania.
Ferreira M, Liu Q, Kimura M, Ndawi B, Tanabe K, Kawamoto F. Allelic diversity in the merozoite surface protein-1 and epidemiology of multiple-clone Plasmodium falciparum infections in northern Tanzania. Journal Of Parasitology 1998, 84: 1286-9. PMID: 9920333, DOI: 10.2307/3284693.Peer-Reviewed Original ResearchConceptsMerozoite surface protein 1MSP-1 gene typesSurface protein 1Type-specific polymerase chain reactionMajor malaria vaccine candidatePlasmodium falciparum infectionProtein 1Malaria vaccine candidateMsp-1 geneP. falciparum populationsMost patientsFalciparum infectionPolymerase chain reactionDistinct parasite populationsVaccine candidatesClinical isolatesAllelic typesGene typesPlasmodium falciparumNorthern TanzaniaChain reactionPatientsEpidemiological consequencesRecent findingsParasite populationsAllelic Diversity at the Merozoite Surface Protein-1 (MSP-1) Locus in Natural Plasmodium falciparum Populations: a Brief Overview
Ferreira M, Kaneko O, Kimura M, Liu Q, Kawamoto F, Tanabe K. Allelic Diversity at the Merozoite Surface Protein-1 (MSP-1) Locus in Natural Plasmodium falciparum Populations: a Brief Overview. Memórias Do Instituto Oswaldo Cruz 1998, 93: 631-638. PMID: 9830530, DOI: 10.1590/s0074-02761998000500013.Peer-Reviewed Original ResearchConceptsMSP-1 gene typesProtein-1 locusMerozoite surface protein-1 locusNon-random associationGene typesAllelic diversityParasite populationsAllelic typesSingle-copy geneFrequency-dependent immune selectionNatural Plasmodium falciparum populationsMsp-1 locusLocal parasite populationMsp-1 allelic typesDifferent gene typesPlasmodium falciparum populationsVariable blocks 2Wild isolatesSelective pressureSouthwestern Brazilian AmazonExtensive polymorphismLociHuman hostMajor malaria vaccine candidateImmune selectionStable Patterns of Allelic Diversity at the Merozoite Surface Protein‐1 Locus of Plasmodium falciparum in Clinical Isolates from Southern Vietnam
Ferreira M, Liu Q, Zhou M, Kimura M, Kaneko O, Van Thien H, Isomura S, Tanabe K, Kawamoto F. Stable Patterns of Allelic Diversity at the Merozoite Surface Protein‐1 Locus of Plasmodium falciparum in Clinical Isolates from Southern Vietnam. Journal Of Eukaryotic Microbiology 1998, 45: 131-136. PMID: 9495041, DOI: 10.1111/j.1550-7408.1998.tb05080.x.Peer-Reviewed Original ResearchConceptsPlasmodium falciparumFrequency-dependent immune selectionSame endemic areaMerozoite surface protein-1 locusSymptomatic patientsParasite populationsPolymerase chain reactionArea 17Endemic areasMesoendemic areaGene typesClinical isolatesAllelic typesPatientsImmune selectionDifferent gene typesChain reactionDistinct subpopulationsFalciparumPresent studyProtein-1 locusIsolatesPopulationPrevalenceAverage number
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