2020
Phylogeography and population structure of the tsetse fly Glossina pallidipes in Kenya and the Serengeti ecosystem
Bateta R, Saarman NP, Okeyo WA, Dion K, Johnson T, Mireji PO, Okoth S, Malele I, Murilla G, Aksoy S, Caccone A. Phylogeography and population structure of the tsetse fly Glossina pallidipes in Kenya and the Serengeti ecosystem. PLOS Neglected Tropical Diseases 2020, 14: e0007855. PMID: 32092056, PMCID: PMC7058365, DOI: 10.1371/journal.pntd.0007855.Peer-Reviewed Original Research
2018
Genetic Differentiation of Glossina pallidipes Tsetse Flies in Southern Kenya.
Okeyo WA, Saarman NP, Bateta R, Dion K, Mengual M, Mireji PO, Ouma C, Okoth S, Murilla G, Aksoy S, Caccone A. Genetic Differentiation of Glossina pallidipes Tsetse Flies in Southern Kenya. American Journal Of Tropical Medicine And Hygiene 2018, 99: 945-953. PMID: 30105964, PMCID: PMC6159567, DOI: 10.4269/ajtmh.18-0154.Peer-Reviewed Original ResearchConceptsGenetic differentiationPopulation dynamicsDispersal patternsTsetse fliesLow genetic diversityGreater genetic differentiationEvidence of admixtureWestern clusterEastern clusterRecent anthropogenic influencesAnimal African trypanosomiasisGenetic connectivityWestern relativesGenetic diversityMicrosatellite lociPopulation structureGenotypic dataWidespread signalDisease vectorsMajor vectorVector control effortsGreat Rift ValleyDemographic parametersFliesVector control programs
2017
Temporal genetic differentiation in Glossina pallidipes tsetse fly populations in Kenya
Okeyo WA, Saarman NP, Mengual M, Dion K, Bateta R, Mireji PO, Okoth S, Ouma JO, Ouma C, Ochieng J, Murilla G, Aksoy S, Caccone A. Temporal genetic differentiation in Glossina pallidipes tsetse fly populations in Kenya. Parasites & Vectors 2017, 10: 471. PMID: 29017572, PMCID: PMC5635580, DOI: 10.1186/s13071-017-2415-y.Peer-Reviewed Original ResearchConceptsTemporal genetic differentiationGenetic diversityGenetic differentiationGenetic bottleneckGenetic variationNational ParkTemporal genetic variationExtensive control measuresAnimal African trypanosomiasisAllelic richnessPairwise FSTGenetic driftNe estimatesHabitat alterationPopulation geneticsTemporal differentiationMicrosatellite markersRuma National ParkClosest sampling sitesG. pallidipesMajor vectorTsetse fliesVector populationsDifferentiationDiversityMultiple evolutionary origins of Trypanosoma evansi in Kenya
Kamidi CM, Saarman NP, Dion K, Mireji PO, Ouma C, Murilla G, Aksoy S, Schnaufer A, Caccone A. Multiple evolutionary origins of Trypanosoma evansi in Kenya. PLOS Neglected Tropical Diseases 2017, 11: e0005895. PMID: 28880965, PMCID: PMC5605091, DOI: 10.1371/journal.pntd.0005895.Peer-Reviewed Original ResearchConceptsT. brucei strainsDifferent genetic backgroundsEvolutionary originGenetic diversityBrucei strainsMultiple evolutionary originsGenetic backgroundTsetse fly vectorT. evansiLethal human diseaseIndependent originsPolymorphic microsatellitesT. bruceiEvansi isolatesGenetic unitsHuman diseasesObligate linkBruceiEvansi strainsT. brucei bruceiTsetse fliesFly vectorsFliesDiversityBrucei bruceiGenetic diversity of Glossina fuscipes fuscipes along the shores of Lake Victoria in Tanzania and Kenya: implications for management
Manangwa O, Nkwengulila G, Ouma JO, Mramba F, Malele I, Dion K, Sistrom M, Khan F, Aksoy S, Caccone A. Genetic diversity of Glossina fuscipes fuscipes along the shores of Lake Victoria in Tanzania and Kenya: implications for management. Parasites & Vectors 2017, 10: 268. PMID: 28558831, PMCID: PMC5450392, DOI: 10.1186/s13071-017-2201-x.Peer-Reviewed Original Research
2015
Genetic Diversity and Population Structure of Trypanosoma brucei in Uganda: Implications for the Epidemiology of Sleeping Sickness and Nagana
Echodu R, Sistrom M, Bateta R, Murilla G, Okedi L, Aksoy S, Enyioha C, Enyaru J, Opiyo E, Gibson W, Caccone A. Genetic Diversity and Population Structure of Trypanosoma brucei in Uganda: Implications for the Epidemiology of Sleeping Sickness and Nagana. PLOS Neglected Tropical Diseases 2015, 9: e0003353. PMID: 25695634, PMCID: PMC4335064, DOI: 10.1371/journal.pntd.0003353.Peer-Reviewed Original Research
2011
Genetic diversity and population structure of Glossina pallidipes in Uganda and western Kenya
Ouma JO, Beadell JS, Hyseni C, Okedi LM, Krafsur ES, Aksoy S, Caccone A. Genetic diversity and population structure of Glossina pallidipes in Uganda and western Kenya. Parasites & Vectors 2011, 4: 122. PMID: 21711519, PMCID: PMC3146932, DOI: 10.1186/1756-3305-4-122.Peer-Reviewed Original ResearchConceptsSex-biased dispersalGenetic diversityPopulation structureSource populationModern gene flowHigh genetic diversityMean genetic distanceAnalysis of mtDNAGene flowNuclear markersBayesian assignmentRelict populationsMtDNA haplotypesGenetic distanceMicrosatellite genotypesG. pallidipesGenetic variationPairwise relatednessMicrosatellite allelesMicrosatellite analysisDispersalSoutheastern UgandaFall populationPopulation comparisonsEffective control efforts
2010
Phylogeography and Population Structure of Glossina fuscipes fuscipes in Uganda: Implications for Control of Tsetse
Beadell JS, Hyseni C, Abila PP, Azabo R, Enyaru JC, Ouma JO, Mohammed YO, Okedi LM, Aksoy S, Caccone A. Phylogeography and Population Structure of Glossina fuscipes fuscipes in Uganda: Implications for Control of Tsetse. PLOS Neglected Tropical Diseases 2010, 4: e636. PMID: 20300518, PMCID: PMC2838784, DOI: 10.1371/journal.pntd.0000636.Peer-Reviewed Original ResearchConceptsGene flowPopulation structureLarge-scale genetic structureDivergent mitochondrial lineagesCurrent gene flowScale genetic structureBayesian assignment testsLittle gene flowHistorical colonization eventsZone of contactSouthern lineagesMitochondrial lineagesAssignment testsGenetic structureArea-wide controlMainland populationsColonization eventsMicrosatellite dataPopulation geneticsPhylogeographic analysisRiverine speciesIsland populationsAppropriate geographical scaleGenetic analysisMicrosatellite structure