2020
Single-cell RNA sequencing of Trypanosoma brucei from tsetse salivary glands unveils metacyclogenesis and identifies potential transmission blocking antigens
Vigneron A, O'Neill MB, Weiss BL, Savage AF, Campbell OC, Kamhawi S, Valenzuela JG, Aksoy S. Single-cell RNA sequencing of Trypanosoma brucei from tsetse salivary glands unveils metacyclogenesis and identifies potential transmission blocking antigens. Proceedings Of The National Academy Of Sciences Of The United States Of America 2020, 117: 2613-2621. PMID: 31964820, PMCID: PMC7007551, DOI: 10.1073/pnas.1914423117.Peer-Reviewed Original ResearchConceptsSingle-cell RNA sequencingRNA sequencingInfectious metacyclic formsMetacyclic parasitesMammalian host environmentFly salivary glandsMajor cell clustersClustering of cellsTsetse salivary glandsFamily proteinsDevelopmental programMammalian hostsMetacyclic cellsProtein transcriptsTrypanosoma bruceiDevelopmental processesGene expressionAfrican trypanosomesExpression profilesMolecular mechanismsSalivary glandsNew hostSurface localizationTrypanosome transmissionMetacyclogenesis
2019
Colonization of the tsetse fly midgut with commensal Kosakonia cowanii Zambiae inhibits trypanosome infection establishment
Weiss BL, Maltz MA, Vigneron A, Wu Y, Walter KS, O’Neill M, Wang J, Aksoy S. Colonization of the tsetse fly midgut with commensal Kosakonia cowanii Zambiae inhibits trypanosome infection establishment. PLOS Pathogens 2019, 15: e1007470. PMID: 30817773, PMCID: PMC6394900, DOI: 10.1371/journal.ppat.1007470.Peer-Reviewed Original ResearchConceptsRefractory phenotypeEnormous socio-economic burdenWild-type counterpartsInfection establishmentSocio-economic burdenMidgut environmentEntomopathogenic Serratia marcescensEndemic regionsPathogenic trypanosomesInfectionStable infectionAdverse effectsAnimal African trypanosomiasesVector competenceGutCurrent disease control strategiesSaharan AfricaDisease control strategiesSurvivalSerratia marcescensTsetse gutExogenous bacteriumFly survivalNovel strategyPhenotype
2016
Mammalian African trypanosome VSG coat enhances tsetse’s vector competence
Aksoy E, Vigneron A, Bing X, Zhao X, O'Neill M, Wu YN, Bangs JD, Weiss BL, Aksoy S. Mammalian African trypanosome VSG coat enhances tsetse’s vector competence. Proceedings Of The National Academy Of Sciences Of The United States Of America 2016, 113: 6961-6966. PMID: 27185908, PMCID: PMC4922192, DOI: 10.1073/pnas.1600304113.Peer-Reviewed Original ResearchConceptsVariant surface glycoproteinPeritrophic matrixMammalian hostsVector competenceTranscription factor familyMidgut homeostasisTsetse midgutTrypanosome biologyFactor familyPM barrierCoat proteinNovel functionAfrican trypanosomesTsetse vectorInfection processParasite developmentAnimal trypanosomiasesAntigenic variationVSG moleculesVSG coatBiological vectorsMidgutProtozoan parasiteDisease transmissionTsetse flies