2008
Where in the cell is the minor spliceosome?
Steitz JA, Dreyfuss G, Krainer AR, Lamond AI, Matera AG, Padgett RA. Where in the cell is the minor spliceosome? Proceedings Of The National Academy Of Sciences Of The United States Of America 2008, 105: 8485-8486. PMID: 18562285, PMCID: PMC2438384, DOI: 10.1073/pnas.0804024105.Peer-Reviewed Original ResearchAnimalsHumansProtein BiosynthesisRibonucleoproteins, Small NuclearRNA PrecursorsRNA, Small NuclearSpliceosomesMinor-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 ResearchMeSH KeywordsAnimalsCell NucleusOocytesRibonucleoproteins, Small NuclearRNA SplicingRNA, Small NuclearSpliceosomesXenopus laevisConceptsSmall nuclear ribonucleoproteinMinor class intronsU12-type splicingXenopus oocytesU12-dependent intronsNuclear envelope breakdownCertain eukaryotesMinor spliceosomeVertebrate cellsSplicing substrateNuclear compartmentNuclear ribonucleoproteinRNA intronsAccurate splicingEnvelope breakdownSplicingIntronsCytoplasmOocytesEukaryotesSpliceosomeMeiosisRibonucleoproteinNucleusSmall fraction
2007
U2 snRNP Binds Intronless Histone Pre-mRNAs to Facilitate U7-snRNP-Dependent 3′ End Formation
Friend K, Lovejoy AF, Steitz JA. U2 snRNP Binds Intronless Histone Pre-mRNAs to Facilitate U7-snRNP-Dependent 3′ End Formation. Molecular Cell 2007, 28: 240-252. PMID: 17964263, PMCID: PMC2149891, DOI: 10.1016/j.molcel.2007.09.026.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBase SequenceCell NucleusDEAD-box RNA HelicasesHeLa CellsHistonesHumansIntronsMiceModels, MolecularOocytesProtein ConformationRibonucleoprotein, U2 Small NuclearRibonucleoprotein, U7 Small NuclearRibonucleoproteins, Small NuclearRNA 3' End ProcessingRNA PrecursorsRNA-Binding ProteinsRNA, MessengerTime FactorsXenopus laevis
2006
The Challenge of Viral snRNPs
CONRAD NK, FOK V, CAZALLA D, BORAH S, STEITZ JA. The Challenge of Viral snRNPs. Cold Spring Harbor Symposia On Quantitative Biology 2006, 71: 377-384. PMID: 17381320, DOI: 10.1101/sqb.2006.71.057.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsB-LymphocytesBase SequenceHerpesvirus 2, SaimiriineHerpesvirus 4, HumanHerpesvirus 8, HumanHumansMolecular Sequence DataNucleic Acid ConformationRibonucleoproteins, Small NuclearRNA, ViralConceptsNuclear noncoding RNAsHSURs 1Sarcoma-associated herpesvirusRibosomal protein L22Aggressive T-cell leukemiaT cell signalingViral gene expressionKaposi's sarcoma-associated herpesvirusHeterokaryon assayU RNADependent RNA degradationMammalian cellsNoncoding RNAsProtein L22Nuclear surveillanceRNA degradationHost mRNAsHost proteinsGene expressionMRNA transcriptsMutant virusHerpesvirus saimiriRNAImportant functionsRNAs
2005
Molecular basis for RNA kink-turn recognition by the h15.5K small RNP protein
Szewczak LB, Gabrielsen JS, Degregorio SJ, Strobel SA, Steitz JA. Molecular basis for RNA kink-turn recognition by the h15.5K small RNP protein. RNA 2005, 11: 1407-1419. PMID: 16120832, PMCID: PMC1370824, DOI: 10.1261/rna.2830905.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsGlutathioneHumansNucleic Acid ConformationProtein BindingRibonucleoproteins, Small NuclearRNA, Small NucleolarXenopus laevisConceptsMolecular basisRNA-protein complexesMobility shift assaysKink-turn motifPotential binding sitesNucleotide analog interference mappingSmall nucleolarSnoRNP assemblyRNA-RNA contactsRNP proteinsShift assaysSnoRNAsBackbone atomsBinding sitesPreferential bindingProteinEnergetic contributionsInterference mappingMinor interactionsStructural contextPotential sitesNucleolarSitesRNAMotif
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-Dependent and -Independent Modes of Assembly for Intron-Encoded Box C/D snoRNPs in Mammalian Cells
Hirose T, Shu MD, Steitz JA. Splicing-Dependent and -Independent Modes of Assembly for Intron-Encoded Box C/D snoRNPs in Mammalian Cells. Molecular Cell 2003, 12: 113-123. PMID: 12887897, DOI: 10.1016/s1097-2765(03)00267-3.Peer-Reviewed Original ResearchConceptsBox C/D snoRNAsSplice siteSnoRNP proteinsD snoRNAsSnoRNP assemblyMammalian cellsHost intronBox C/D snoRNPsSmall nucleolar RNAsD snoRNPsRRNA modificationNucleolar RNAsHost genesActive splicingNts upstreamIntronsEfficient expressionSnoRNAsStable stemSplicingVivo analysisProteinAssemblyBlockage experimentsStem
2002
Exclusive Interaction of the 15.5 kD Protein with the Terminal Box C/D Motif of a Methylation Guide snoRNP
Szewczak LB, DeGregorio SJ, Strobel SA, Steitz JA. Exclusive Interaction of the 15.5 kD Protein with the Terminal Box C/D Motif of a Methylation Guide snoRNP. Cell Chemical Biology 2002, 9: 1095-1107. PMID: 12401494, DOI: 10.1016/s1074-5521(02)00239-9.Peer-Reviewed Original ResearchConceptsBox C/D motifKD proteinD motifBox C/D snoRNAsBox C/D snoRNPsSite-specific methylationSpliceosomal RNAsDeleterious substitutionsD snoRNAsD snoRNPsBox DExclusive interactionsInteraction sitesXenopus oocytesSnoRNPsProteinMotifSnoRNAsVivoMethylationA89Single interaction siteRNAExocyclic amineOocytesBranchpoint selection in the splicing of U12-dependent introns in vitro.
McConnell TS, Cho SJ, Frilander MJ, Steitz JA. Branchpoint selection in the splicing of U12-dependent introns in vitro. RNA 2002, 8: 579-86. PMID: 12022225, PMCID: PMC1370279, DOI: 10.1017/s1355838202028029.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBase SequenceHumansIn Vitro TechniquesIntronsModels, GeneticPol1 Transcription Initiation Complex ProteinsRibonucleoproteins, Small NuclearRibosomal ProteinsRNARNA SplicingRNA-Binding ProteinsSaccharomyces cerevisiae ProteinsSpliceosomesTranscription FactorsXenopusXenopus ProteinsConceptsU12-dependent intronsU12-type intronsSixth intronBranchpoint sequenceSplicing of intronsU12-type splicingU12-type spliceosomeU12-dependent splicingBase-pairing mechanismHeLa nuclear extractsAdditional intronConsecutive adenosinesSplicing substrateThird intronU12 snRNAHuman p120First intronIntronsNuclear extractsSplicingGenesBranch sitePathwayBranchpointP120The Divergent U12-Type Spliceosome Is Required for Pre-mRNA Splicing and Is Essential for Development in Drosophila
Otake LR, Scamborova P, Hashimoto C, Steitz JA. The Divergent U12-Type Spliceosome Is Required for Pre-mRNA Splicing and Is Essential for Development in Drosophila. Molecular Cell 2002, 9: 439-446. PMID: 11864616, DOI: 10.1016/s1097-2765(02)00441-0.Peer-Reviewed Original ResearchMeSH KeywordsAlternative SplicingAnimalsAnimals, Genetically ModifiedBase SequenceDrosophila melanogasterDrosophila ProteinsGenes, LethalIntronsLarvaMolecular Sequence DataMutagenesis, InsertionalNerve Tissue ProteinsNuclear ProteinsNucleic Acid ConformationProtein IsoformsRibonucleoprotein, U4-U6 Small NuclearRibonucleoproteins, Small NuclearRNA PrecursorsRNA SplicingRNA, Small NuclearSequence AlignmentSequence Homology, Nucleic AcidSpliceosomesTranscription FactorsTransgenesConceptsU12-type spliceosomeThird instar larvalU12-type intronsPre-mRNA splicingU4atac/U6atacMetazoan organismsHomeodomain proteinsU5 snRNPsDrosophila melanogasterU12 spliceosomeMRNA intronsU12 snRNASingle locusU6atacInstar larvalSpliceosomeEmbryonic stagesCNS developmentIntronsMinor classU12DrosophilaMelanogasterVertebratesSnRNPs
2001
Proximity of the invariant loop of U5 snRNA to the second intron residue during pre‐mRNA splicing
McConnell T, Steitz J. Proximity of the invariant loop of U5 snRNA to the second intron residue during pre‐mRNA splicing. The EMBO Journal 2001, 20: 3577-3586. PMID: 11432844, PMCID: PMC125517, DOI: 10.1093/emboj/20.13.3577.Peer-Reviewed Original ResearchAnimalsAzidesBase SequenceCross-Linking ReagentsEnhancer Elements, GeneticGlobinsIntronsKineticsMammalsModels, MolecularMolecular Sequence DataNucleic Acid ConformationPlasmidsPolymerase Chain ReactionRibonuclease HRibonucleoproteins, Small NuclearRNA PrecursorsRNA SplicingRNA, Small NuclearThionucleotidesInternal Modification of U2 Small Nuclear (Snrna) Occurs in Nucleoli of Xenopus Oocytes
Yu Y, Shu M, Narayanan A, Terns R, Terns M, Steitz J. Internal Modification of U2 Small Nuclear (Snrna) Occurs in Nucleoli of Xenopus Oocytes. Journal Of Cell Biology 2001, 152: 1279-1288. PMID: 11257127, PMCID: PMC2199211, DOI: 10.1083/jcb.152.6.1279.Peer-Reviewed Original ResearchConceptsNucleolar localizationCajal bodiesU2 RNAInternal modificationSmall nuclearSm binding siteNucleolar localization signalSmall nucleolar RNAsXenopus oocytesCytoplasm of oocytesU2 small nuclearGuanosine capLocalization signalNucleolar RNAsRNAs showSubcellular sitesIntranuclear localizationIsolated nucleiRNABinding sitesNucleoliOocytesNucleotidesCytoplasmU2Dynamic Exchanges of RNA Interactions Leading to Catalytic Core Formation in the U12-Dependent Spliceosome
Frilander M, Steitz J. Dynamic Exchanges of RNA Interactions Leading to Catalytic Core Formation in the U12-Dependent Spliceosome. Molecular Cell 2001, 7: 217-226. PMID: 11172726, DOI: 10.1016/s1097-2765(01)00169-1.Peer-Reviewed Original ResearchCatalytic DomainExonsNucleic Acid ConformationOligonucleotidesRibonucleoprotein, U4-U6 Small NuclearRibonucleoproteins, Small NuclearRNA, MessengerSpliceosomes
1999
Guided tours: from precursor snoRNA to functional snoRNP
Weinstein L, Steitz J. Guided tours: from precursor snoRNA to functional snoRNP. Current Opinion In Cell Biology 1999, 11: 378-384. PMID: 10395551, DOI: 10.1016/s0955-0674(99)80053-2.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCell NucleolusHumansRibonucleoproteins, Small NuclearRNA PrecursorsRNA, Small NuclearTranscription, GeneticInitial recognition of U12-dependent introns requires both U11/5′ splice-site and U12/branchpoint interactions
Frilander M, Steitz J. Initial recognition of U12-dependent introns requires both U11/5′ splice-site and U12/branchpoint interactions. Genes & Development 1999, 13: 851-863. PMID: 10197985, PMCID: PMC316595, DOI: 10.1101/gad.13.7.851.Peer-Reviewed Original ResearchAdenoviridaeBlotting, NorthernDose-Response Relationship, DrugEvolution, MolecularFicusinHeLa CellsHeterogeneous-Nuclear RibonucleoproteinsHumansIntronsModels, GeneticOligonucleotidesRibonuclease HRibonucleoprotein, U4-U6 Small NuclearRibonucleoproteinsRibonucleoproteins, Small NuclearRNA SplicingTime Factors
1998
Modifications of U2 snRNA are required for snRNP assembly and pre‐mRNA splicing
Yu Y, Shu M, Steitz J. Modifications of U2 snRNA are required for snRNP assembly and pre‐mRNA splicing. The EMBO Journal 1998, 17: 5783-5795. PMID: 9755178, PMCID: PMC1170906, DOI: 10.1093/emboj/17.19.5783.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBase SequenceGuanosineMolecular Sequence DataOocytesPseudouridineRibonucleoproteins, Small NuclearRNA CapsRNA Processing, Post-TranscriptionalRNA SplicingRNA, Small NuclearSpliceosomesXenopusConceptsEnd of U2Native gel analysisPre-mRNA splicingU2 snRNP particleGlycerol gradient analysisPseudouridylation activityGuanosine capSnRNP assemblySpliceosomal snRNAsSplicing activityTMG capSpliceosome assemblyU2 RNAU2 snRNAU2 functionProtein profilesGel analysisSnRNP particlesXenopus oocytesInternal modificationSnRNASplicingPotent inhibitorU2Extensive modification
1997
Site-specific crosslinking of mammalian U11 and U6atac to the 5′ splice site of an AT–AC intron
Yu Y, Steitz J. Site-specific crosslinking of mammalian U11 and U6atac to the 5′ splice site of an AT–AC intron. Proceedings Of The National Academy Of Sciences Of The United States Of America 1997, 94: 6030-6035. PMID: 9177163, PMCID: PMC20995, DOI: 10.1073/pnas.94.12.6030.Peer-Reviewed Original ResearchPre-mRNA splicing: the discovery of a new spliceosome doubles the challenge
Tarn W, Steitz J. Pre-mRNA splicing: the discovery of a new spliceosome doubles the challenge. Trends In Biochemical Sciences 1997, 22: 132-137. PMID: 9149533, DOI: 10.1016/s0968-0004(97)01018-9.Peer-Reviewed Original ResearchA new method for detecting sites of 2'-O-methylation in RNA molecules.
Yu YT, Shu MD, Steitz JA. A new method for detecting sites of 2'-O-methylation in RNA molecules. RNA 1997, 3: 324-31. PMID: 9056769, PMCID: PMC1369484.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBase SequenceCell NucleolusCell NucleusCytoplasmMethylationMolecular Sequence DataOocytesRecombinant Fusion ProteinsRibonuclease HRibonucleoproteins, Small NuclearRNA, Ribosomal, 18SRNA, Ribosomal, 28SXenopusConceptsRNA moleculesEukaryotic ribosomal RNALong RNA moleculesSpecific rRNARibosomal RNAModification sitesRRNAMethylationCell nucleoliChimeric oligonucleotideSnoRNAsRNase H cleavagePrecursor moleculesRRNA transportSitesMoleculesRNANucleotidesCytoplasmNucleoliResiduesCleavageOligonucleotideH cleavageNucleus
1996
Length suppression in histone messenger RNA 3′-end maturation: Processing defects of insertion mutant premessenger RNAs can be compensated by insertions into the U7 small nuclear RNA
Scharl E, Steitz J. Length suppression in histone messenger RNA 3′-end maturation: Processing defects of insertion mutant premessenger RNAs can be compensated by insertions into the U7 small nuclear RNA. Proceedings Of The National Academy Of Sciences Of The United States Of America 1996, 93: 14659-14664. PMID: 8962110, PMCID: PMC26191, DOI: 10.1073/pnas.93.25.14659.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBase SequenceHistonesHumansMiceModels, MolecularMolecular Sequence DataMutagenesis, InsertionalMutationRibonucleoproteins, Small NuclearRNA PrecursorsRNA, MessengerRNA, Small NuclearXenopusConceptsHistone downstream elementU7 RNAHistone messenger RNASmall nuclear RNARNA processing systemSmall ribonucleoproteinPremessenger RNANuclear RNAPre-mRNAU7 small nuclear RNADownstream elementsCleavage siteRNAMessenger RNAXenopus oocytesBase pairingProcessing defectsU7First demonstrationHistonesRNAsRibonucleoproteinInsertionMRNASites