2006
In vivo assembly of functional U7 snRNP requires RNA backbone flexibility within the Sm-binding site
Kolev NG, Steitz JA. In vivo assembly of functional U7 snRNP requires RNA backbone flexibility within the Sm-binding site. Nature Structural & Molecular Biology 2006, 13: 347-353. PMID: 16547514, DOI: 10.1038/nsmb1075.Peer-Reviewed Original Research
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 factorSubunitsCytoplasmicAn embryonic poly(A)-binding protein (ePAB) is expressed in mouse oocytes and early preimplantation embryos
Seli E, Lalioti MD, Flaherty SM, Sakkas D, Terzi N, Steitz JA. An embryonic poly(A)-binding protein (ePAB) is expressed in mouse oocytes and early preimplantation embryos. Proceedings Of The National Academy Of Sciences Of The United States Of America 2005, 102: 367-372. PMID: 15630085, PMCID: PMC544294, DOI: 10.1073/pnas.0408378102.Peer-Reviewed Original ResearchConceptsZygotic gene activationGene activationEarly embryosSomatic cellsTranslational activationGene expressionEmbryo developmentEarly preimplantation embryo developmentEarly Xenopus developmentEarly preimplantation embryosEight-cell stageEarly embryo developmentPreimplantation embryo developmentTwo-cell embryosCytoplasmic PABPMouse orthologXenopus developmentMammalian oocytesProphase ISomatic tissuesChromosome 2Preimplantation embryosEPABMouse oocytesOne-cell
2003
SR Splicing Factors Serve as Adapter Proteins for TAP-Dependent mRNA Export
Huang Y, Gattoni R, Stévenin J, Steitz JA. SR Splicing Factors Serve as Adapter Proteins for TAP-Dependent mRNA Export. Molecular Cell 2003, 11: 837-843. PMID: 12667464, DOI: 10.1016/s1097-2765(03)00089-3.Peer-Reviewed Original ResearchAmino Acid SequenceAnimalsArginineBinding, CompetitiveBiological TransportCell NucleusGenes, DominantGlutathione TransferaseModels, BiologicalMolecular Sequence DataNucleocytoplasmic Transport ProteinsOocytesPeptidesPlasmidsPrecipitin TestsProtein BindingProtein Structure, TertiaryRecombinant Fusion ProteinsRNA, MessengerRNA-Binding ProteinsSerineTransfectionXenopus
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 amineOocytesSite‐specific cross‐linking analyses reveal an asymmetric protein distribution for a box C/D snoRNP
Cahill NM, Friend K, Speckmann W, Li Z, Terns RM, Terns MP, Steitz JA. Site‐specific cross‐linking analyses reveal an asymmetric protein distribution for a box C/D snoRNP. The EMBO Journal 2002, 21: 3816-3828. PMID: 12110593, PMCID: PMC126121, DOI: 10.1093/emboj/cdf376.Peer-Reviewed Original ResearchConceptsBox C/D snoRNPsD snoRNPsC-boxBox C/D classSite-specific cross-linking analysisBox C/D small nucleolar ribonucleoproteinsBox C/DAsymmetric protein distributionSmall nucleolar ribonucleoproteinSmall nucleolar RNAsXenopus oocyte nucleusCross-linking analysisNucleolar RNAsNucleolar ribonucleoproteinD motifBox DMutational analysisOocyte nucleusGuide sequenceWidespread modificationProtein distributionFibrillarinFunctional rescueCore proteinSnoRNPsBranchpoint 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 sitePathwayBranchpointP120
2001
Splicing Factors SRp20 and 9G8 Promote the Nucleocytoplasmic Export of mRNA
Huang Y, Steitz J. Splicing Factors SRp20 and 9G8 Promote the Nucleocytoplasmic Export of mRNA. Molecular Cell 2001, 7: 899-905. PMID: 11336712, DOI: 10.1016/s1097-2765(01)00233-7.Peer-Reviewed Original ResearchA novel embryonic poly(A) binding protein, ePAB, regulates mRNA deadenylation in Xenopus egg extracts
Voeltz GK, Ongkasuwan J, Standart N, Steitz JA. A novel embryonic poly(A) binding protein, ePAB, regulates mRNA deadenylation in Xenopus egg extracts. Genes & Development 2001, 15: 774-788. PMID: 11274061, PMCID: PMC312653, DOI: 10.1101/gad.872201.Peer-Reviewed Original ResearchAdenosine MonophosphateAmino Acid SequenceAnimalsBase SequenceBlotting, WesternDNA MethylationGene Expression Regulation, DevelopmentalKineticsMolecular Sequence DataOocytesPlasmidsPoly APoly(A)-Binding ProteinsPrecipitin TestsProtein BindingRecombinant ProteinsRNA-Binding ProteinsSequence Analysis, DNASequence Homology, Amino AcidTime FactorsTranscriptional ActivationUltraviolet RaysXenopusXenopus Proteins
1998
HNS, a nuclear-cytoplasmic shuttling sequence in HuR
Fan X, Steitz J. HNS, a nuclear-cytoplasmic shuttling sequence in HuR. Proceedings Of The National Academy Of Sciences Of The United States Of America 1998, 95: 15293-15298. PMID: 9860962, PMCID: PMC28036, DOI: 10.1073/pnas.95.26.15293.Peer-Reviewed Original ResearchMeSH Keywords3T3 CellsAmino Acid SequenceAnimalsAntigens, SurfaceCell NucleusConserved SequenceCytoplasmELAV ProteinsELAV-Like Protein 1HeLa CellsHeterogeneous-Nuclear Ribonucleoprotein KHumansMiceMolecular Sequence DataRecombinant ProteinsRibonucleoproteinsRNA, MessengerRNA-Binding ProteinsSequence AlignmentSequence Homology, Amino AcidTransfectionXenopusConceptsHeterogeneous nuclear ribonucleoprotein KNuclear localization signal activityClassical nuclear localization signalAU-rich element-containing mRNAsExport of mRNAHeterogeneous nuclear ribonucleoprotein A1Nuclear export signalNuclear localization signalNuclear transport processRNA-binding proteinAU-rich elementsExport signalLocalization signalM9 sequenceNuclear poresDomain sequencesCytoplasmic compartmentUntranslated regionLabile mRNAsCell nucleiSpecific signalsHuRProteinBidirectional transportMRNAAUUUA Sequences Direct mRNA Deadenylation Uncoupled from Decay during Xenopus Early Development
Voeltz G, Steitz J. AUUUA Sequences Direct mRNA Deadenylation Uncoupled from Decay during Xenopus Early Development. Molecular And Cellular Biology 1998, 18: 7537-7545. PMID: 9819439, PMCID: PMC109334, DOI: 10.1128/mcb.18.12.7537.Peer-Reviewed Original ResearchConceptsAU-rich elementsXenopus early developmentGranulocyte-macrophage colony-stimulating factor (GM-CSF) geneUntranslated region sequencesHuman granulocyte-macrophage colony-stimulating factor geneChimeric mRNAMid-blastula transitionEarly developmentColony-stimulating factor geneRNA deadenylationMRNA decayRapid deadenylationMRNA deadenylationDeadenylation activityDeadenylationFactor genesRegion sequencesEgg activationAUUUAC-MycMature eggsXenopus oocytesMRNAOocytesXenopusModifications 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 ResearchConceptsEnd 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
A 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 ResearchConceptsRNA moleculesEukaryotic ribosomal RNALong RNA moleculesSpecific rRNARibosomal RNAModification sitesRRNAMethylationCell nucleoliChimeric oligonucleotideSnoRNAsRNase H cleavagePrecursor moleculesRRNA transportSitesMoleculesRNANucleotidesCytoplasmNucleoliResiduesCleavageOligonucleotideH cleavageNucleus
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 oocytesFibrillarinMethylationSpeciesOocytesVertebratesHomologCloningGenesTranscriptsLength 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 ResearchConceptsHistone downstream elementU7 RNAHistone messenger RNASmall nuclear RNARNA processing systemSmall ribonucleoproteinPremessenger RNANuclear RNAPre-mRNAU7 small nuclear RNADownstream elementsCleavage siteRNAMessenger RNAXenopus oocytesBase pairingProcessing defectsU7First demonstrationHistonesRNAsRibonucleoproteinInsertionMRNASitesMore Sm snRNAs from Vertebrate Cells
Yu Y, Tarn W, Yario T, Steitz J. More Sm snRNAs from Vertebrate Cells. Experimental Cell Research 1996, 229: 276-281. PMID: 8986610, DOI: 10.1006/excr.1996.0372.Peer-Reviewed Original Research
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 oocytesU22IntronsGenesTranscriptsNucleoliOocytesMaturationTargetingCellsFragmentsDepletionSequence and structural elements critical for U8 snRNP function in Xenopus oocytes are evolutionarily conserved.
Peculis BA, Steitz JA. Sequence and structural elements critical for U8 snRNP function in Xenopus oocytes are evolutionarily conserved. Genes & Development 1994, 8: 2241-2255. PMID: 7958892, DOI: 10.1101/gad.8.18.2241.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBase SequenceBiological EvolutionChromosomal Proteins, Non-HistoneConserved SequenceFemaleMethylationMolecular Sequence DataMutagenesis, Site-DirectedMutationNucleic Acid ConformationOocytesRibonucleoproteins, Small NuclearRNA CapsRNA PrecursorsRNA Processing, Post-TranscriptionalRNA, Small NuclearXenopus
1993
Disruption of U8 nucleolar snRNA inhibits 5.8S and 28S rRNA processing in the Xenopus oocyte
Peculis B, Steitz J. Disruption of U8 nucleolar snRNA inhibits 5.8S and 28S rRNA processing in the Xenopus oocyte. Cell 1993, 73: 1233-1245. PMID: 8513505, DOI: 10.1016/0092-8674(93)90651-6.Peer-Reviewed Original Research