2008
Minor-class splicing occurs in the nucleus of the Xenopus oocyte
Friend K, Kolev NG, Shu MD, Steitz JA. Minor-class splicing occurs in the nucleus of the Xenopus oocyte. RNA 2008, 14: 1459-1462. PMID: 18567814, PMCID: PMC2491479, DOI: 10.1261/rna.1119708.Peer-Reviewed Original ResearchConceptsSmall nuclear ribonucleoproteinMinor class intronsU12-type splicingXenopus oocytesU12-dependent intronsNuclear envelope breakdownCertain eukaryotesMinor spliceosomeVertebrate cellsSplicing substrateNuclear compartmentNuclear ribonucleoproteinRNA intronsAccurate splicingEnvelope breakdownSplicingIntronsCytoplasmOocytesEukaryotesSpliceosomeMeiosisRibonucleoproteinNucleusSmall fraction
2005
Symplekin and multiple other polyadenylation factors participate in 3′-end maturation of histone mRNAs
Kolev NG, Steitz JA. Symplekin and multiple other polyadenylation factors participate in 3′-end maturation of histone mRNAs. Genes & Development 2005, 19: 2583-2592. PMID: 16230528, PMCID: PMC1276732, DOI: 10.1101/gad.1371105.Peer-Reviewed Original ResearchConceptsTail elongationU7 small nuclear ribonucleoproteinCommon molecular machineryMammalian cell extractsCleavage stimulation factorPolyadenylation specificity factorSmall nuclear ribonucleoproteinMolecular machineryHistone mRNAProtein complexesMRNA cleavageSpecificity factorPolyadenylation factorsTranslational activationNuclear ribonucleoproteinSymplekinReconstitution experimentsCell extractsHeat-labile factorMessenger RNAHistonesMRNAStimulation factorSubunitsCytoplasmic
2004
Splicing of U12-type introns deposits an exon junction complex competent to induce nonsense-mediated mRNA decay
Hirose T, Shu MD, Steitz JA. Splicing of U12-type introns deposits an exon junction complex competent to induce nonsense-mediated mRNA decay. Proceedings Of The National Academy Of Sciences Of The United States Of America 2004, 101: 17976-17981. PMID: 15608055, PMCID: PMC539812, DOI: 10.1073/pnas.0408435102.Peer-Reviewed Original ResearchMeSH KeywordsCell LineCell NucleusCodon, NonsenseDNA, ComplementaryEvolution, MolecularExonsGene Expression RegulationHeLa CellsHumansImmunoprecipitationIntronsMutagenesis, Site-DirectedOpen Reading FramesPlasmidsRibonuclease HRibonucleoproteins, Small NuclearRNARNA PrecursorsRNA SplicingRNA, MessengerRNA, Small NuclearSpliceosomesTime FactorsTransfectionConceptsExon junction complexU12-type intronsOpen reading frameNonsense-mediated mRNA decayU12-type spliceosomeNonsense-mediated decaySmall nuclear ribonucleoproteinU2-type spliceosomePremature termination codonEJC assemblyMetazoan cellsMRNA decayEvolutionary ageDownstream functionsIntron removalNuclear ribonucleoproteinReading frameExon junctionsTermination codonJunction complexGene expressionIntron downstreamSpliceosomeIntronsSplicing
2003
Splicing double: insights from the second spliceosome
Patel AA, Steitz JA. Splicing double: insights from the second spliceosome. Nature Reviews Molecular Cell Biology 2003, 4: 960-970. PMID: 14685174, DOI: 10.1038/nrm1259.Peer-Reviewed Original ResearchConceptsMinor class intronsPhylogenetic analysisU12-type intronsMost multicellular organismsSmall nuclear RNASmall nuclear ribonucleoproteinParticular functional classNon-homologous positionsMessenger RNA interactionsMost metazoan taxaParalogous genesMulticellular organismsSpliceosomal factorsHomologous genesEvolutionary historyMetazoan taxaU5 snRNPSplicing machineryAcceptor splice siteAlternative splicingRNA interactionsU6 snRNPsNuclear RNANuclear ribonucleoproteinSplicing reaction
1996
A Novel Spliceosome Containing U11, U12, and U5 snRNPs Excises a Minor Class (AT–AC) Intron In Vitro
Tarn W, Steitz J. A Novel Spliceosome Containing U11, U12, and U5 snRNPs Excises a Minor Class (AT–AC) Intron In Vitro. Cell 1996, 84: 801-811. PMID: 8625417, DOI: 10.1016/s0092-8674(00)81057-0.Peer-Reviewed Original ResearchMeSH KeywordsBase CompositionBase SequenceBlotting, NorthernCell NucleusHeLa CellsHumansMolecular Sequence DataNucleic Acid ConformationOligodeoxyribonucleotidesPlasmidsPolymerase Chain ReactionRibonuclease HRibonucleoprotein, U5 Small NuclearRibonucleoproteins, Small NuclearRNA PrecursorsRNA SplicingConceptsU5 small nuclear ribonucleoproteinSmall nuclear ribonucleoproteinU12 small nuclear ribonucleoproteinsMinor class intronsProtein coding genesPre-mRNA substrateNative gel electrophoresisCoding genesBranch site sequenceSplicing complexesNuclear ribonucleoproteinPre-mRNAP120 geneLariat intermediateSite sequenceIntronsHeLa cellsEssential roleSplicingGel electrophoresisBranch siteGenesU12Minor classU11
1995
Modulation of 5' splice site choice in pre-messenger RNA by two distinct steps.
Tarn WY, Steitz JA. Modulation of 5' splice site choice in pre-messenger RNA by two distinct steps. Proceedings Of The National Academy Of Sciences Of The United States Of America 1995, 92: 2504-2508. PMID: 7708674, PMCID: PMC42246, DOI: 10.1073/pnas.92.7.2504.Peer-Reviewed Original ResearchConceptsSmall nuclear ribonucleoproteinU1 small nuclear ribonucleoproteinSplice site choicePre-messenger RNASR proteinsSplice site selectionSplice siteSite choiceSer/Arg-rich (SR) proteinsU2 small nuclear ribonucleoproteinU1 snRNP functionsHeLa cell nuclear extractsEssential splicing factorArg-rich proteinsCell nuclear extractsDistinct stepsSnRNP functionSite selectionSplicing factorsU1 bindingNuclear ribonucleoproteinU1 RNANuclear extractsProteinRNA
1994
The site of 3′ end formation of histone messenger RNA is a fixed distance from the downstream element recognized by the U7 snRNP.
Scharl EC, Steitz JA. The site of 3′ end formation of histone messenger RNA is a fixed distance from the downstream element recognized by the U7 snRNP. The EMBO Journal 1994, 13: 2432-2440. PMID: 8194533, PMCID: PMC395109, DOI: 10.1002/j.1460-2075.1994.tb06528.x.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBase SequenceCell NucleusCell-Free SystemCross-Linking ReagentsFurocoumarinsGuanosineHeLa CellsHistonesHumansMiceMolecular Sequence DataNucleic Acid ConformationProtein BindingRegulatory Sequences, Nucleic AcidRibonuclease HRibonucleoproteins, Small NuclearRNA Processing, Post-TranscriptionalRNA, MessengerStructure-Activity RelationshipSubstrate SpecificityConceptsHistone downstream elementU7 small nuclear ribonucleoproteinSmall nuclear ribonucleoproteinHistone messenger RNAInsertion mutantsEnd formationSite of cleavageEnd processingDownstream elementsA residuesMessenger RNAAnti-trimethylguanosine antibodyStem-loop structureWild-type substrateCross-linking studiesPremessenger RNANuclear ribonucleoproteinEnzymatic componentsNew cleavage siteNucleotides downstreamC residuesMolecular rulerCleavage siteRNAHistones
1993
Rare scleroderma autoantibodies to the U11 small nuclear ribonucleoprotein and to the trimethylguanosine cap of U small nuclear RNAs.
Gilliam AC, Steitz JA. Rare scleroderma autoantibodies to the U11 small nuclear ribonucleoprotein and to the trimethylguanosine cap of U small nuclear RNAs. Proceedings Of The National Academy Of Sciences Of The United States Of America 1993, 90: 6781-6785. PMID: 8341699, PMCID: PMC47016, DOI: 10.1073/pnas.90.14.6781.Peer-Reviewed Original ResearchConceptsSmall nuclear ribonucleoprotein particleTrimethylguanosine capLow-abundance membersSmall nuclear RNASmall nuclear ribonucleoproteinNuclear ribonucleoprotein particleGlycerol gradient fractionsU RNAU11 small nuclear ribonucleoproteinsSnRNP complexTargeted degradationNuclear RNANuclear ribonucleoproteinRibonucleoprotein particleNuclear extractsSm classProtein componentsHeLa cellsRNPGradient fractionsRNAProteinScleroderma seraRibonucleoproteinCosediments
1992
Viral small nuclear ribonucleoproteins bind a protein implicated in messenger RNA destabilization.
Myer VE, Lee SI, Steitz JA. Viral small nuclear ribonucleoproteins bind a protein implicated in messenger RNA destabilization. Proceedings Of The National Academy Of Sciences Of The United States Of America 1992, 89: 1296-1300. PMID: 1311093, PMCID: PMC48436, DOI: 10.1073/pnas.89.4.1296.Peer-Reviewed Original ResearchConceptsSmall nuclear ribonucleoproteinNuclear ribonucleoproteinCertain cellular mRNAsMessenger RNA destabilizationHerpesvirus saimiriNumber of protooncogenesHSUR 1HSURs 1Rapid degradationSmall RNAsU RNARNA destabilizationCellular mRNAsMarmoset T lymphocytesAbundant viral transcriptHost proteinsUntranslated regionAUUUA motifsExhibit sequencesViral transcriptsPrimate virusesViral transformationUnstable messagesProteinRibonucleoproteinThree Novel Functional Variants of Human U5 Small Nuclear RNA
Sontheimer E, Steitz J. Three Novel Functional Variants of Human U5 Small Nuclear RNA. Molecular And Cellular Biology 1992, 12: 734-746. DOI: 10.1128/mcb.12.2.734-746.1992.Peer-Reviewed Original ResearchU5 small nuclear RNASmall nuclear RNAHeLa cellsNuclear RNAAffinity-purified spliceosomesSmall nuclear ribonucleoproteinTri-snRNP complexFull-length speciesSaccharomyces cerevisiaeSplicing extractsPrimer extensionUS variantsHeLa extractsAlternative splicingRNA blotsShort speciesNuclear ribonucleoproteinBase changesMinimal domainHigher abundanceNorthern blottingRNAHeLaAbundant formSplicing
1989
The mammalian analogue of the yeast PRP8 splicing protein is present in the U4/5/6 small nuclear ribonucleoprotein particle and the spliceosome.
Pinto AL, Steitz JA. The mammalian analogue of the yeast PRP8 splicing protein is present in the U4/5/6 small nuclear ribonucleoprotein particle and the spliceosome. Proceedings Of The National Academy Of Sciences Of The United States Of America 1989, 86: 8742-8746. PMID: 2479028, PMCID: PMC298364, DOI: 10.1073/pnas.86.22.8742.Peer-Reviewed Original ResearchConceptsSmall nuclear ribonucleoproteinU5 small nuclear ribonucleoproteinHeLa cell nuclear extractsSmall nuclear ribonucleoprotein particleCell nuclear extractsAnti-trimethylguanosine antibodyNuclear ribonucleoprotein particleAffinity-purified spliceosomesSplicing proteinsMammalian proteinsYeast proteinsSnRNP complexMRNA splicingSplicing extractsRibonucleoprotein particleNuclear ribonucleoproteinMammalian analogueNuclear extractsSm classGradient fractionationSm epitopesProteinSpliceosomeProtein reactivePrp8
1988
Additional low-abundance human small nuclear ribonucleoproteins: U11, U12, etc.
Montzka KA, Steitz JA. Additional low-abundance human small nuclear ribonucleoproteins: U11, U12, etc. Proceedings Of The National Academy Of Sciences Of The United States Of America 1988, 85: 8885-8889. PMID: 2973606, PMCID: PMC282611, DOI: 10.1073/pnas.85.23.8885.Peer-Reviewed Original ResearchConceptsSmall nuclear ribonucleoproteinU12 small nuclear ribonucleoproteinsSm small nuclear ribonucleoproteinsTrimethylguanosine cap structureTwo-dimensional gel fractionationLow-abundance RNAsLower eukaryotesSmall RNAsMRNA processingMammalian cellsMRNA splicingNuclear ribonucleoproteinAdditional speciesCap structureNuclease sensitivityNew RNASm classSm epitopesRNAU11Gel fractionationPotential roleU12EukaryotesSplicingTrans splicing involves a novel form of small nuclear ribonucleoprotein particles
Bruzik J, Doren K, Hirsh D, Steitz J. Trans splicing involves a novel form of small nuclear ribonucleoprotein particles. Nature 1988, 335: 559-562. PMID: 2971142, DOI: 10.1038/335559a0.Peer-Reviewed Original ResearchConceptsSmall nuclear ribonucleoproteinSL RNACis splicingSplice siteNuclear ribonucleoproteinPrecursor-messenger RNA (pre-mRNA) transcriptsHeLa cell nuclear extractsSame nuclear compartmentTrans-splicing reactionCell nuclear extractsPossible secondary structuresMessenger RNA transcriptsSm snRNPSplice acceptor siteTrans splicingCellular machineryLeader transcriptNuclear compartmentNucleotide sequenceSplicing processRNA transcriptsNuclear extractsSnRNPSplicingSecondary structureFour novel U RNAs are encoded by a herpesvirus
Lee S, Murthy S, Trimble J, Desrosiers R, Steitz J. Four novel U RNAs are encoded by a herpesvirus. Cell 1988, 54: 599-607. PMID: 2842058, DOI: 10.1016/s0092-8674(88)80004-7.Peer-Reviewed Original ResearchConceptsHSUR 1U RNAU RNA genesTrimethylguanosine cap structureSmall nuclear ribonucleoproteinEnd formation signalsAAUAAA polyadenylation signalBase pairing interactionsRNA genesMarmoset T lymphocytesPolyadenylation signalNuclear ribonucleoproteinCap structureEnd sequencesPerfect complementarityViral genesSnRNP particlesLow abundanceHerpesvirus saimiriRNASm determinantsGenesFormation signalEnd regionSequence
1987
Both conserved signals on mammalian histone pre-mRNAs associate with small nuclear ribonucleoproteins during 3' end formation in vitro.
Mowry KL, Steitz JA. Both conserved signals on mammalian histone pre-mRNAs associate with small nuclear ribonucleoproteins during 3' end formation in vitro. Molecular And Cellular Biology 1987, 7: 1663-1672. PMID: 2955216, PMCID: PMC365266, DOI: 10.1128/mcb.7.5.1663.Peer-Reviewed Original ResearchConceptsSmall nuclear ribonucleoproteinEnd formationNuclear ribonucleoproteinSequence elementsSm small nuclear ribonucleoproteinsMouse histone genesHeLa cell nuclear extractsHistone H3 transcriptsHuman histone H3Trimethylguanosine cap structureCell nuclear extractsHistone pre-mRNAHairpin loop structureH3 transcriptsHistone genesMammalian histonesU RNAHistone H3MRNA substratesPre-mRNACap structureMRNA associatesNuclear extractsRNA fragmentsProcessing reactionsBoth Conserved Signals on Mammalian Histone Pre-mRNAs Associate with Small Nuclear Ribonucleoproteins During 3′ end Formation in Vitro
Mowry K, Steitz J. Both Conserved Signals on Mammalian Histone Pre-mRNAs Associate with Small Nuclear Ribonucleoproteins During 3′ end Formation in Vitro. Molecular And Cellular Biology 1987, 7: 1663-1672. DOI: 10.1128/mcb.7.5.1663-1672.1987.Peer-Reviewed Original ResearchSmall nuclear ribonucleoproteinEnd formationNuclear ribonucleoproteinSequence elementsSm small nuclear ribonucleoproteinsMouse histone genesHeLa cell nuclear extractsHistone H3 transcriptsHuman histone H3Trimethylguanosine cap structureCell nuclear extractsHistone pre-mRNAHairpin loop structureH3 transcriptsHistone genesConserved signalU RNAHistone H3MRNA substratesPre-mRNACap structureNuclear extractsRNA fragmentsProcessing reactionsProtein determinantsMultiple Interactions between the Splicing Substrate and Small Nuclear Ribonucleoproteins in Spliceosomes
Chabot B, Steitz J. Multiple Interactions between the Splicing Substrate and Small Nuclear Ribonucleoproteins in Spliceosomes. Molecular And Cellular Biology 1987, 7: 281-293. DOI: 10.1128/mcb.7.1.281-293.1987.Peer-Reviewed Original ResearchSmall nuclear ribonucleoproteinSplicing substrateNuclear ribonucleoproteinMultiple interactionsSpliceosomeRibonucleoprotein
1986
Pre-mRNA splicing in vitro requires intact U4/U6 small nuclear ribonucleoprotein
Black D, Steitz J. Pre-mRNA splicing in vitro requires intact U4/U6 small nuclear ribonucleoprotein. Cell 1986, 46: 697-704. PMID: 2427202, DOI: 10.1016/0092-8674(86)90345-4.Peer-Reviewed Original Research
1984
The structure of mammalian small nuclear ribonucleoproteins. Identification of multiple protein components reactive with anti-(U1)ribonucleoprotein and anti-Sm autoantibodies.
Pettersson I, Hinterberger M, Mimori T, Gottlieb E, Steitz JA. The structure of mammalian small nuclear ribonucleoproteins. Identification of multiple protein components reactive with anti-(U1)ribonucleoprotein and anti-Sm autoantibodies. Journal Of Biological Chemistry 1984, 259: 5907-5914. PMID: 6232278, DOI: 10.1016/s0021-9258(18)91101-4.Peer-Reviewed Original ResearchConceptsSm small nuclear ribonucleoproteinsSmall nuclear ribonucleoproteinNuclear ribonucleoproteinProtein componentsAnti-Sm patient seraMultiple protein componentsSnRNP proteinsU6 RNAMammalian cellsDistinct polypeptidesAnti-Sm monoclonal antibodyRNA immunoprecipitationAnti-Sm autoantibodiesSnRNP polypeptidesProtein compositionSnRNP particlesProtein BMonoclonal antibodiesRibonucleoproteinIntriguing questionPolypeptideProteinBlot resultsMouse monoclonal antibodyEntire collectionU4 and U6 RNAs coexist in a single small nuclear ribonucleoprotein particle
Hashimoto C, Steitz J. U4 and U6 RNAs coexist in a single small nuclear ribonucleoprotein particle. Nucleic Acids Research 1984, 12: 3283-3293. PMID: 6201826, PMCID: PMC318745, DOI: 10.1093/nar/12.7.3283.Peer-Reviewed Original ResearchConceptsSmall nuclear ribonucleoproteinU6 RNARNA complexIntact small nuclear ribonucleoproteinRNA/RNA complexesHuman small nuclear ribonucleoproteinsSmall nuclear ribonucleoprotein particleRNA-RNA interactionsNuclear ribonucleoprotein particleSequence complementarityMammalian cellsNuclear ribonucleoproteinRibonucleoprotein particleSnRNP particlesRNABiological implicationsPolyacrylamide gelsProteinase KU4ComplexesSodium dodecyl sulfateRibonucleoproteinDodecyl sulfateU5U1