2000
A new twist in trypanosome RNA metabolism: cis-splicing of pre-mRNA.
Mair G, Shi H, Li H, Djikeng A, Aviles H, Bishop J, Falcone F, Gavrilescu C, Montgomery J, Santori M, Stern L, Wang Z, Ullu E, Tschudi C. A new twist in trypanosome RNA metabolism: cis-splicing of pre-mRNA. RNA 2000, 6: 163-9. PMID: 10688355, PMCID: PMC1369902, DOI: 10.1017/s135583820099229x.Peer-Reviewed Original ResearchConceptsCis-spliced intronsSplice siteGT/AG ruleSmall intergenic regionAncient acquisitionGene arrangementTrypanosome genomeEukaryotic cellsRNA metabolismIntergenic regionIntron removalLeader sequenceTrypanosoma bruceiIntronsNucleotide positionsAG dinucleotideEuglena gracilisTrypanosoma cruziPolymerase geneIdentical positionsPoint mutationsRecent discoveryPAP mRNAGenesMRNA
1998
Double-stranded RNA induces mRNA degradation in Trypanosoma brucei
Ngô H, Tschudi C, Gull K, Ullu E. Double-stranded RNA induces mRNA degradation in Trypanosoma brucei. Proceedings Of The National Academy Of Sciences Of The United States Of America 1998, 95: 14687-14692. PMID: 9843950, PMCID: PMC24510, DOI: 10.1073/pnas.95.25.14687.Peer-Reviewed Original ResearchConceptsMRNA degradationUntranslated regionFlagellar attachment zoneMRNA 5' untranslated regionAlpha-tubulin synthesisImportant protozoan parasitesCaenorhabditis elegansAlpha-tubulin mRNACellular mRNAsTrypanosome cellsGenetic interferenceCytoskeletal structuresCleavage furrowDsRNA transfectionSame phenotypeCytokinesisComplex cortical structureFlagellar axonemeTubulin mRNAPlasmid vectorProtozoan parasiteVivo expressionAttachment zoneMRNADsRNA
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
1988
Polygene transcripts are precursors to calmodulin mRNAs in trypanosomes.
Tschudi C, Ullu E. Polygene transcripts are precursors to calmodulin mRNAs in trypanosomes. The EMBO Journal 1988, 7: 455-463. PMID: 3366120, PMCID: PMC454342, DOI: 10.1002/j.1460-2075.1988.tb02833.x.Peer-Reviewed Original ResearchConceptsCalmodulin mRNACultured procyclic trypanosomesAbundant RNA speciesSteady-state RNAPulse-labeled RNAAuthentic precursorIntergenic regionRNA speciesProcyclic trypanosomesCalmodulin genePolyadenylation sitesAfrican trypanosomesHybridization probesTranscriptsStreptavidin-agaroseDiscrete endsSmall familyTrypanosomesMRNAGenesRNASpeciesCalmodulinTrypanosoma brucei gambienseBrucei gambiense
1986
The U2 RNA analogue of Trypanosoma brucei gambiense: implications for a splicing mechanism in trypanosomes
Tschudi C, Richards F, Ullu E. The U2 RNA analogue of Trypanosoma brucei gambiense: implications for a splicing mechanism in trypanosomes. Nucleic Acids Research 1986, 14: 8893-8903. PMID: 3786140, PMCID: PMC311918, DOI: 10.1093/nar/14.22.8893.Peer-Reviewed Original ResearchConceptsU2 RNASpliced leader RNASingle-copy geneSignificant sequence homologyMaturation of mRNAMammalian counterpartsCopy geneU RNALeader RNASplicing mechanismSequence homologySecondary structureRNATrypanosomesGenesRNA analogSplicingHomologyTrypanosoma brucei gambiensePossible interactionsMRNABrucei gambienseMaturation
1985
Calmodulin genes in trypanosomes are tandemly repeated and produce multiple mRNAs with a common 5' leader sequence.
Tschudi C, Young A, Ruben L, Patton C, Richards F. Calmodulin genes in trypanosomes are tandemly repeated and produce multiple mRNAs with a common 5' leader sequence. Proceedings Of The National Academy Of Sciences Of The United States Of America 1985, 82: 3998-4002. PMID: 3858856, PMCID: PMC397921, DOI: 10.1073/pnas.82.12.3998.Peer-Reviewed Original Research