2018
Temperature shift activates bloodstream VSG expression site promoters in Trypanosoma brucei
Kolev NG, Ramsdell TK, Tschudi C. Temperature shift activates bloodstream VSG expression site promoters in Trypanosoma brucei. Molecular And Biochemical Parasitology 2018, 226: 20-23. PMID: 30399391, PMCID: PMC6258174, DOI: 10.1016/j.molbiopara.2018.10.003.Peer-Reviewed Original Research
2017
Metacyclic VSG expression site promoters are recognized by the same general transcription factor that is required for RNA polymerase I transcription of bloodstream expression sites
Kolev NG, Günzl A, Tschudi C. Metacyclic VSG expression site promoters are recognized by the same general transcription factor that is required for RNA polymerase I transcription of bloodstream expression sites. Molecular And Biochemical Parasitology 2017, 216: 52-55. PMID: 28716719, PMCID: PMC5582990, DOI: 10.1016/j.molbiopara.2017.07.002.Peer-Reviewed Original ResearchConceptsBloodstream VSG expression sitesVSG expression sitesVSG ES promoterExpression sitesPol IVSG genesES promoterRNA polymerase I transcriptionGeneral transcription factorsBloodstream expression sitesVariant surface glycoprotein (VSG) coatPolymerase I transcriptionRNA polymerase IDistinct promoter sequencesMetacyclic VSG geneTrypanosoma brucei cellsProcyclin genesTypes of promotersBrucei cellsDevelopmental programDistinct binding affinitiesTranscription factorsI transcriptionInitiation factorsPromoter sequences
2015
Synchronous expression of individual metacyclic variant surface glycoprotein genes in Trypanosoma brucei
Ramey-Butler K, Ullu E, Kolev NG, Tschudi C. Synchronous expression of individual metacyclic variant surface glycoprotein genes in Trypanosoma brucei. Molecular And Biochemical Parasitology 2015, 200: 1-4. PMID: 25896436, PMCID: PMC4470760, DOI: 10.1016/j.molbiopara.2015.04.001.Peer-Reviewed Original ResearchConceptsVariant surface glycoproteinMetacyclic variant surface glycoproteinInfectious metacyclic formsVariant surface glycoprotein genesVSG gene expressionSurface glycoprotein genesNew mammalian hostInsect vectorsParasite biologyMammalian hostsDifferentiation systemGene expressionTsetse vectorBloodstream trypanosomesDifferential expressionGlycoprotein geneProtein 6Molecular aspectsIndividual cellsMetacyclic formsBlood mealProtein levelsDiscrete populationsSurface glycoproteinLife cycle
2014
The emerging role of RNA‐binding proteins in the life cycle of Trypanosoma brucei
Kolev NG, Ullu E, Tschudi C. The emerging role of RNA‐binding proteins in the life cycle of Trypanosoma brucei. Cellular Microbiology 2014, 16: 482-489. PMID: 24438230, PMCID: PMC3974610, DOI: 10.1111/cmi.12268.Peer-Reviewed Original ResearchMeSH KeywordsGene Expression RegulationGene Regulatory NetworksLife Cycle StagesRNA-Binding ProteinsStress, PhysiologicalTrypanosoma brucei bruceiConceptsParasitic protozoan Trypanosoma bruceiIdentification of RBPsTargets of RBPsSpecific gene networksProtozoan Trypanosoma bruceiPost-transcriptional mechanismsGene regulatory networksGene expression patternsRelated trypanosomatidsTranscriptional machineryCellular fateGene networksRegulatory networksTrypanosoma bruceiExpression patternsRegulatory mechanismsDifferent hostsRBPsLife cyclePathogenic organismsRNAOrganismsProteinDifferent environmentsCrucial role
2012
Developmental Progression to Infectivity in Trypanosoma brucei Triggered by an RNA-Binding Protein
Kolev NG, Ramey-Butler K, Cross GA, Ullu E, Tschudi C. Developmental Progression to Infectivity in Trypanosoma brucei Triggered by an RNA-Binding Protein. Science 2012, 338: 1352-1353. PMID: 23224556, PMCID: PMC3664091, DOI: 10.1126/science.1229641.Peer-Reviewed Original Research
2011
RNA Interference in Protozoan Parasites: Achievements and Challenges
Kolev NG, Tschudi C, Ullu E. RNA Interference in Protozoan Parasites: Achievements and Challenges. MSphere 2011, 10: 1156-1163. PMID: 21764910, PMCID: PMC3187059, DOI: 10.1128/ec.05114-11.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsEntamoebaGene Expression RegulationLeishmania braziliensisParasitesPlasmodiumRNA InterferenceRNA, Small InterferingTrypanosomaTrypanosoma brucei brucei