2019
Small nucleolar RNAs controlling rRNA processing in Trypanosoma brucei
Chikne V, Rajan K, Shalev-Benami M, Decker K, Cohen-Chalamish S, Madmoni H, Biswas VK, Gupta S, Doniger T, Unger R, Tschudi C, Ullu E, Michaeli S. Small nucleolar RNAs controlling rRNA processing in Trypanosoma brucei. Nucleic Acids Research 2019, 47: 2609-2629. PMID: 30605535, PMCID: PMC6411936, DOI: 10.1093/nar/gky1287.Peer-Reviewed Original ResearchConceptsSmall nucleolar RNAsRRNA processingNucleolar RNAsLarge subunit ribosomal RNAProtein exit tunnelMost eukaryotesRRNA modificationBiogenesis stepsRRNA transcriptionExit tunnelRibosomal RNARRNA precursorRNA piecesSnoRNAsProcessing eventsRRNA positionsMaturation eventsRNAGuide modificationsEukaryotesLSURRNATranscriptionHigher number
2011
The RNA Interference Pathway in Trypanosoma brucei
Ullu E, Kolev N, Barnes R, Tschudi C. The RNA Interference Pathway in Trypanosoma brucei. Nucleic Acids And Molecular Biology 2011, 28: 167-185. DOI: 10.1007/978-3-642-28687-2_8.Peer-Reviewed Original ResearchRNA interference (RNAi) pathwayInterference pathwayEarly divergent eukaryoteMost eukaryotic cellsSequence-specific mannerEukaryotic evolutionDivergent eukaryotesHigher eukaryotesRNAi machineryEukaryotic cellsLong dsRNAsRNAi mechanismTarget transcriptsTrypanosoma bruceiConsequence cellsSpecific defense mechanismsEukaryotesProtozoan parasiteDefense mechanismsTranscriptsCurrent understandingNucleic acidsPathwayHighlight similaritiesSuch mechanisms
2001
Unusual diversity in α-amanitin sensitivity of RNA polymerases in trichomonads
Vaňáčová Š, Tachezy J, Ullu E, Tschudi C. Unusual diversity in α-amanitin sensitivity of RNA polymerases in trichomonads. Molecular And Biochemical Parasitology 2001, 115: 239-247. PMID: 11420110, DOI: 10.1016/s0166-6851(01)00294-8.Peer-Reviewed Original ResearchConceptsUnusual diversityResistant RNA polymerase IIProtein coding genesParasitic protist Trichomonas vaginalisRNA polymerase IIAlpha-amanitin sensitivityProtist Trichomonas vaginalisGenus-specific patternsTritrichomonas foetusLysolecithin-permeabilized cellsUnicellular eukaryotesCoding genesPolymerase IIRNAP IIRNAP IIIRNA polymeraseTrichomonad speciesAlpha-amanitinT. vaginalisRNA synthesisΑ-amanitin sensitivityDiversityTrichomonadsRelated groupsEukaryotes
2000
Cotranscriptional Cap 4 Formation on the Trypanosoma brucei Spliced Leader RNA*
Mair G, Ullu E, Tschudi C. Cotranscriptional Cap 4 Formation on the Trypanosoma brucei Spliced Leader RNA*. Journal Of Biological Chemistry 2000, 275: 28994-28999. PMID: 10880518, DOI: 10.1074/jbc.m004193200.Peer-Reviewed Original ResearchConceptsCap 4 structureSL RNAMRNA cap formationT. brucei cellsSpliced leader RNARNA cap structureSpliced leader sequenceTranscriptional arrestTrypanosomatid protozoaBrucei cellsLeader RNACap 4Cotranscriptional mechanismLeader sequenceTrypanosoma bruceiCap structureRNA transcriptsRibonucleoprotein formationAdenosine residuesPosition 117RNATranscriptsCap formationNucleotidesEukaryotes