2019
The vault RNA of Trypanosoma brucei plays a role in the production of trans-spliced mRNA
Kolev NG, Rajan KS, Tycowski KT, Toh JY, Shi H, Lei Y, Michaeli S, Tschudi C. The vault RNA of Trypanosoma brucei plays a role in the production of trans-spliced mRNA. Journal Of Biological Chemistry 2019, 294: 15559-15574. PMID: 31439669, PMCID: PMC6816085, DOI: 10.1074/jbc.ra119.008580.Peer-Reviewed Original ResearchConceptsTelomerase-associated protein 1Vault RNAY RNAsRNA quality controlRNA polymerase IIISmall nuclear RNATrans-spliced mRNAPermeabilized cell systemNcRNA repertoireRNP biogenesisMRNA metabolismRNA speciesSequence similarityRNA classesMammalian cellsNuclear RNAPolymerase IIIRo functionTrypanosoma bruceiVtRNAsGene expressionRo proteinBloodstream formsRNACell nuclei
2012
Formation of triple-helical structures by the 3′-end sequences of MALAT1 and MENβ noncoding RNAs
Brown JA, Valenstein ML, Yario TA, Tycowski KT, Steitz JA. Formation of triple-helical structures by the 3′-end sequences of MALAT1 and MENβ noncoding RNAs. Proceedings Of The National Academy Of Sciences Of The United States Of America 2012, 109: 19202-19207. PMID: 23129630, PMCID: PMC3511071, DOI: 10.1073/pnas.1217338109.Peer-Reviewed Original ResearchConceptsRich internal loopMetastasis-associated lung adenocarcinoma transcript 1Rich tractSarcoma-associated herpesvirusDuplex-triplex junctionsTriple helical structureCellular noncoding RNAsNuclear retention elementBase triplesInternal loopKaposi's sarcoma-associated herpesvirusU base triplesPAN RNATriple helixNoncoding RNAsNuclear RNAThermal denaturation profilesReporter RNALung adenocarcinoma transcript 1C nucleotidesC base pairsMolecular mechanismsUnpaired nucleotidesBase pairsRNA
1998
Modification of U6 Spliceosomal RNA Is Guided by Other Small RNAs
Tycowski K, You Z, Graham P, Steitz J. Modification of U6 Spliceosomal RNA Is Guided by Other Small RNAs. Molecular Cell 1998, 2: 629-638. PMID: 9844635, DOI: 10.1016/s1097-2765(00)80161-6.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBase SequenceCell FractionationCell LineCell NucleolusChromosomal Proteins, Non-HistoneDimerizationHeLa CellsHumansMethylationMiceMolecular Sequence DataNucleic Acid ConformationOligodeoxyribonucleotides, AntisenseOocytesPrecipitin TestsRibonuclease HRNA, Ribosomal, 28SRNA, Small NuclearSpliceosomesXenopus laevis
1996
A small nucleolar RNA requirement for site-specific ribose methylation of rRNA in Xenopus
Tycowski K, Smith C, Shu M, Steitz J. A small nucleolar RNA requirement for site-specific ribose methylation of rRNA in Xenopus. Proceedings Of The National Academy Of Sciences Of The United States Of America 1996, 93: 14480-14485. PMID: 8962077, PMCID: PMC26158, DOI: 10.1073/pnas.93.25.14480.Peer-Reviewed Original ResearchConceptsSmall nucleolar RNA (snoRNA) speciesSite-specific ribose methylationXenopus oocyte systemSnoRNA speciesSnoRNA genesRibose methylationVertebrate cellsRNA speciesMultiple homologsSnoRNA stabilityRRNASnoRNAsOocyte systemRNA requirementsXenopusXenopus oocytesFibrillarinMethylationSpeciesOocytesVertebratesHomologCloningGenesTranscriptsA mammalian gene with introns instead of exons generating stable RNA products
Tycowski K, Shu M, Steitz J. A mammalian gene with introns instead of exons generating stable RNA products. Nature 1996, 379: 464-466. PMID: 8559254, DOI: 10.1038/379464a0.Peer-Reviewed Original ResearchConceptsProtein-coding genesRibosomal subunit assemblyRibosomal RNA transcriptionSmall nucleolar RNAsMammalian genesSnoRNA genesEukaryotic cellsProtein codingMature rRNANucleolar RNAsHost genesSubunit assemblyDifferent intronsRNA transcriptionRNA productsExtensive complementarityIntronsGenesSnoRNAsExonsRNARRNATranscriptionPolysomesMaturation1
1995
Mapping of ribosomal protein S3 and internally nested snoRNA U15A gene to human chromosome 11q13.3–q13.5
Polakiewicz R, Munroe D, Sait S, Tycowski K, Nowak N, Shows T, Housman D, Page D. Mapping of ribosomal protein S3 and internally nested snoRNA U15A gene to human chromosome 11q13.3–q13.5. Genomics 1995, 25: 577-580. PMID: 7789996, DOI: 10.1016/0888-7543(95)80063-r.Peer-Reviewed Original ResearchConceptsRibosomal proteinsHuman chromosomesSomatic cell hybrid analysisCell hybrid analysisRibosomal protein S3Small nucleolar RNAsUV-induced DNA damageSTS content mappingMammalian ribosomesProtein S3RNA speciesHuman genomeNucleolar RNAsFirst intronDifferent proteinsDNA damageSitu hybridizationProteinChromosomesHybrid analysisGenesContent mappingIntronsGenomeRibosomes
1994
Requirement for Intron-Encoded U22 Small Nucleolar RNA in 18S Ribosomal RNA Maturation
Tycowski K, Shu M, Steitz J. Requirement for Intron-Encoded U22 Small Nucleolar RNA in 18S Ribosomal RNA Maturation. Science 1994, 266: 1558-1561. PMID: 7985025, DOI: 10.1126/science.7985025.Peer-Reviewed Original ResearchConceptsRibosomal RNASmall RNAsProtein-coding gene transcriptsRibosomal RNA maturationSmall nucleolar RNAsRNA maturationVertebrate cellsCellular functionsNucleolar RNAsHost genesIntron fragmentGene transcriptsRNAXenopus oocytesU22IntronsGenesTranscriptsNucleoliOocytesMaturationTargetingCellsFragmentsDepletionOrganization of small nucleolar ribonucleoproteins (snoRNPs) by fluorescence in situ hybridization and immunocytochemistry.
Matera AG, Tycowski KT, Steitz JA, Ward DC. Organization of small nucleolar ribonucleoproteins (snoRNPs) by fluorescence in situ hybridization and immunocytochemistry. Molecular Biology Of The Cell 1994, 5: 1289-1299. PMID: 7535131, PMCID: PMC301158, DOI: 10.1091/mbc.5.12.1289.Peer-Reviewed Original Research
1993
A small nucleolar RNA is processed from an intron of the human gene encoding ribosomal protein S3.
Tycowski KT, Shu MD, Steitz JA. A small nucleolar RNA is processed from an intron of the human gene encoding ribosomal protein S3. Genes & Development 1993, 7: 1176-1190. PMID: 8319909, DOI: 10.1101/gad.7.7a.1176.Peer-Reviewed Original ResearchMeSH KeywordsBase SequenceCell NucleolusCell-Free SystemConserved SequenceElectrophoresis, Polyacrylamide GelHeLa CellsHumansIntronsMolecular Sequence DataNucleic Acid ConformationRestriction MappingRibosomal ProteinsRNA PrecursorsRNA Processing, Post-TranscriptionalRNA, Small NuclearSequence Analysis, RNAUracil NucleotidesConceptsSmall nucleolar RNAsNucleolar RNAsRibosomal protein S3 geneNuclear RNA polymerasesSingle-copy geneSingle primary transcriptRibosomal protein S3Secondary structure modelStem-loop structureVertebrate cellsNucleolar proteinsProtein S3Transcription signalsHuman genesRNA polymerasePrimary transcriptConserved sequencesS3 geneNucleolar snRNASame strandS3 mRNANucleotides downstreamMature endNucleolar componentsIntron 1