1998
Physical and transcriptional analysis of the Trypanosoma brucei genome reveals a typical eukaryotic arrangement with close interspersionof RNA polymerase II- and III-transcribed genes
Marchetti M, Tschudi C, Silva E, Ullu E. Physical and transcriptional analysis of the Trypanosoma brucei genome reveals a typical eukaryotic arrangement with close interspersionof RNA polymerase II- and III-transcribed genes. Nucleic Acids Research 1998, 26: 3591-3598. PMID: 9671824, PMCID: PMC147737, DOI: 10.1093/nar/26.15.3591.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBase SequenceChloramphenicol O-AcetyltransferaseDNA, ProtozoanEukaryotic CellsGene DosageGenome, ProtozoanMolecular Sequence DataPromoter Regions, GeneticProtozoan ProteinsRibonucleoprotein, U2 Small NuclearRibonucleoproteins, Small NuclearRNA Polymerase IIRNA Polymerase IIIRNA, MessengerTranscription, GeneticTrypanosoma brucei bruceiConceptsPol II transcription unitsPol III genesSmall nuclear RNAU3 small nuclear RNACAT gene cassettePol IITranscription unitRNA genesTranscriptional domainsPol IIICAT mRNAU2 small nuclear RNARNA gene lociPol II genesRNA polymerase IIGene cassettesMRNA processing signalsPolymerase IITranscriptional mapTranscriptional analysisCosmid clonesNuclear RNADistinct initiation sitesCAT geneGene locus
1997
Structure of the Trypanosoma brucei U6 snRNA gene promoter
Nakaar V, Günzl A, Ullu E, Tschudi C. Structure of the Trypanosoma brucei U6 snRNA gene promoter. Molecular And Biochemical Parasitology 1997, 88: 13-23. PMID: 9274863, DOI: 10.1016/s0166-6851(97)00078-9.Peer-Reviewed Original ResearchConceptsU6 snRNA gene promoterSnRNA gene promotersB-boxGene promoterA boxSnRNA gene transcriptionInternal control regionRNA polymerase IIITRNA-like genesU6 transcriptionChromatin organizationTranscription extractRNA genesTranscription unitYeast SaccharomycesYeast systemControl regionPolymerase IIIStart siteGene transcriptionNucleotides upstreamPromoter elementsTrypanosoma bruceiIntragenic sequencesSaturation mutagenesis
1995
An unusual liaison: Small nuclear and cytoplasmis RNA genes team up with tRNA genes in trypanosomatid protozoa
Nakaar V, Tschudi C, Ullu E. An unusual liaison: Small nuclear and cytoplasmis RNA genes team up with tRNA genes in trypanosomatid protozoa. Trends In Parasitology 1995, 11: 225-228. DOI: 10.1016/0169-4758(95)80085-9.Peer-Reviewed Original ResearchTrypanosomatid protozoaRNA polymerase III transcription unitSequence-specific DNA-binding proteinsCis-acting DNA sequencesBasal transcriptional apparatusDNA-binding proteinsTrans-acting factorsStudy of transcriptionTRNA genesTranscriptional apparatusTranscription unitPromoter structureAccessory factorsRNA polymeraseSmall nuclearDNA sequencesGene teamsCytoplasmic RNAGene expressionEnhancer elementsBiochemical interactionsTransfection technologyRecent insightsProtozoaDiverse set
1993
Temporal order of RNA-processing reactions in trypanosomes: rapid trans splicing precedes polyadenylation of newly synthesized tubulin transcripts.
Ullu E, Matthews K, Tschudi C. Temporal order of RNA-processing reactions in trypanosomes: rapid trans splicing precedes polyadenylation of newly synthesized tubulin transcripts. Molecular And Cellular Biology 1993, 13: 720-725. PMID: 8417363, PMCID: PMC358950, DOI: 10.1128/mcb.13.1.720.Peer-Reviewed Original ResearchConceptsRNA-processing reactionsTrans splicingPre-mRNASplice sitePolycistronic transcription unitsSplice acceptor siteTrypanosome genesMRNA biogenesisTranscription unitTrypanosome mRNAsLeader RNATubulin transcriptsSplicingAlpha-tubulinPolyadenylationMRNA synthesisAcceptor sitesTrypanosomesTemporal orderMRNABiogenesisGenesTranscriptsRNAOrganismsTemporal Order of RNA-Processing Reactions in Trypanosomes: Rapid trans Splicing Precedes Polyadenylation of Newly Synthesized Tubulin Transcripts
Ullu E, Matthews K, Tschudi C. Temporal Order of RNA-Processing Reactions in Trypanosomes: Rapid trans Splicing Precedes Polyadenylation of Newly Synthesized Tubulin Transcripts. Molecular And Cellular Biology 1993, 13: 720-725. DOI: 10.1128/mcb.13.1.720-725.1993.Peer-Reviewed Original ResearchRNA-processing reactionsTrans splicingPre-mRNASplice sitePolycistronic transcription unitsRNA processing reactionsSplice acceptor siteTrypanosome genesMRNA biogenesisTranscription unitTrypanosome mRNAsLeader RNATubulin transcriptsSplicingPolyadenylationΒ-tubulinΑ-tubulinMRNA synthesisAcceptor sitesTrypanosomesTemporal orderMRNABiogenesis