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
Accurate Transcription of the Trypanosoma brucei U2 Small Nuclear RNA Gene in a Homologous Extract *
Günzl A, Tschudi C, Nakaar V, Ullu E. Accurate Transcription of the Trypanosoma brucei U2 Small Nuclear RNA Gene in a Homologous Extract *. Journal Of Biological Chemistry 1995, 270: 17287-17291. PMID: 7542235, DOI: 10.1074/jbc.270.29.17287.Peer-Reviewed Original ResearchConceptsIntragenic control regionRNA polymerase IIIControl regionPolymerase IIIU2 small nuclear RNA genesTranscription systemSmall nuclear RNA genesGene expressionInsect form trypanosomesNuclear RNA genesU2 snRNA genesSnRNA gene promotersB-box elementsFull transcriptional activitySeries of mutationsSnRNA genesRNA genesInsect formsRNA polymeraseGene promoterTrypanosoma bruceiCell-free extractsTransient expressionBox elementTranscriptional activity
1994
RNA polymerase III-mediated transcription of the trypanosome U2 small nuclear RNA gene is controlled by both intragenic and extragenic regulatory elements.
Fantoni A, Dare A, Tschudi C. RNA polymerase III-mediated transcription of the trypanosome U2 small nuclear RNA gene is controlled by both intragenic and extragenic regulatory elements. Molecular And Cellular Biology 1994, 14: 2021-2028. PMID: 8114733, PMCID: PMC358562, DOI: 10.1128/mcb.14.3.2021.Peer-Reviewed Original ResearchMeSH KeywordsAmanitinsAnimalsBase SequenceConsensus SequenceDNA, ProtozoanGenes, ProtozoanMolecular Sequence DataPromoter Regions, GeneticRegulatory Sequences, Nucleic AcidRNA Polymerase IIIRNA, Small NuclearSequence AlignmentSequence DeletionSequence Homology, Nucleic AcidTranscription, GeneticTrypanosomaConceptsU2 small nuclear RNA genesSmall nuclear RNA genesNuclear RNA genesU2 snRNA genesSnRNA genesRNA genesCis-acting regulatory sequencesRNA polymerase III transcriptsInsect form trypanosomesSnRNA gene expressionRNA polymerase IIInternal control regionRNA polymerase IIIPolymerase III transcriptsTranscription start siteIII-like enzymeTRNA genesPolymerase IIRNA polymeraseRegulatory sequencesU2 snRNAControl regionPolymerase IIIStart siteRegulatory elements