2018
Mutations in Plasmodium falciparum actin-binding protein coronin confer reduced artemisinin susceptibility
Demas A, Sharma A, Wong W, Early A, Redmond S, Bopp S, Neafsey D, Volkman S, Hartl D, Wirth D. Mutations in Plasmodium falciparum actin-binding protein coronin confer reduced artemisinin susceptibility. Proceedings Of The National Academy Of Sciences Of The United States Of America 2018, 115: 12799-12804. PMID: 30420498, PMCID: PMC6294886, DOI: 10.1073/pnas.1812317115.Peer-Reviewed Original ResearchConceptsCRISPR/Cas9-mediated gene editingDomain protein familyWhole genome sequence analysisProtein familySecond geneFunctional validationMutant formsDifferent genesMolecular mechanismsParental linesSequence analysisType of resistanceGene editingAfrican parasitesArtemisinin susceptibilityMechanisms of resistanceGenesGenetic determinantsParental parasitesMutationsSurvival assaysIndependent selectionParasite clonesProteinActive formDe Novo Mutations Resolve Disease Transmission Pathways in Clonal Malaria
Redmond SN, MacInnis BM, Bopp S, Bei AK, Ndiaye D, Hartl DL, Wirth DF, Volkman SK, Neafsey DE. De Novo Mutations Resolve Disease Transmission Pathways in Clonal Malaria. Molecular Biology And Evolution 2018, 35: 1678-1689. PMID: 29722884, PMCID: PMC5995194, DOI: 10.1093/molbev/msy059.Peer-Reviewed Original ResearchConceptsDe novo mutationsEvolutionary ratesSlow evolutionary rateNovo mutationsComplex life cycleSlow generation timeLow-complexity regionsGenomic regionsLarge genomesGenomic epidemiology approachReintroduction scenariosCombination of sequencingP. falciparumViral speciesMutation rateClonal lineagesGenomeMutation studiesLibrary preparationIdentical parasitesGeneration timeBacterial pathogensMalaria parasitesMutationsGenomic epidemiology
2016
Whole genome sequencing of Plasmodium falciparum from dried blood spots using selective whole genome amplification
Oyola S, Ariani C, Hamilton W, Kekre M, Amenga-Etego L, Ghansah A, Rutledge G, Redmond S, Manske M, Jyothi D, Jacob C, Otto T, Rockett K, Newbold C, Berriman M, Kwiatkowski D. Whole genome sequencing of Plasmodium falciparum from dried blood spots using selective whole genome amplification. Malaria Journal 2016, 15: 597. PMID: 27998271, PMCID: PMC5175302, DOI: 10.1186/s12936-016-1641-7.Peer-Reviewed Original ResearchConceptsVenous bloodSelective whole genome amplificationMalaria patientsDBS samplesBlood spotsPlasmodium falciparumClinical samplesSymptomatic malaria patientsHigh quality clinical samplesDried Blood SpotsP. falciparum DNAMalaria parasite Plasmodium falciparumHead comparisonParasite Plasmodium falciparumDrug resistance lociHealthcare applicationsPatientsWhole-genome sequencingGenome amplificationDBS extractsSNP concordanceWhole genome amplificationFalciparumCurrent dataScalable way
2015
Association mapping by pooled sequencing identifies TOLL 11 as a protective factor against Plasmodium falciparum in Anopheles gambiae
Redmond S, Eiglmeier K, Mitri C, Markianos K, Guelbeogo W, Gneme A, Isaacs A, Coulibaly B, Brito-Fravallo E, Maslen G, Mead D, Niare O, Traore S, Sagnon N, Kwiatkowski D, Riehle M, Vernick K. Association mapping by pooled sequencing identifies TOLL 11 as a protective factor against Plasmodium falciparum in Anopheles gambiae. BMC Genomics 2015, 16: 779. PMID: 26462916, PMCID: PMC4603968, DOI: 10.1186/s12864-015-2009-z.Peer-Reviewed Original ResearchConceptsGenetic mappingFounder coloniesHigh nucleotide diversityNon-model genomesLow linkage disequilibriumPhenotype-genotype mappingPopulation stratificationParasite infection levelsHuman malaria parasiteGenotyping of SNPsNucleotide diversityPooled sequencesAssociation mappingGenomic lociLinkage mappingPlasmodium falciparumSignificant SNPsMosquito systemMarker densityDNA poolsAnopheles gambiaeNatural variationIndividual mosquitoesLinkage disequilibriumSequencing identifies