2014
Versatile microRNA biogenesis in animals and their viruses
Xie M, Steitz JA. Versatile microRNA biogenesis in animals and their viruses. RNA Biology 2014, 11: 673-681. PMID: 24823351, PMCID: PMC4156499, DOI: 10.4161/rna.28985.Peer-Reviewed Original ResearchConceptsEssential cellular processesMiRNA regulatory networkPost-transcriptional levelUbiquitous gene regulatorsNon-canonical pathwayMost miRNAsCytoplasmic DicerMicroRNA biogenesisMolecular machineryCellular processesRegulatory networksPrimary transcriptGene regulatorsNuclear DroshaCellular RNABiogenesisDroshaAlternative mechanismFundamental roleCleavage stepMetazoansDicerMiRNAsMicroRNAsMiRNA
2013
Mammalian 5′-Capped MicroRNA Precursors that Generate a Single MicroRNA
Xie M, Li M, Vilborg A, Lee N, Shu MD, Yartseva V, Šestan N, Steitz JA. Mammalian 5′-Capped MicroRNA Precursors that Generate a Single MicroRNA. Cell 2013, 155: 1568-1580. PMID: 24360278, PMCID: PMC3899828, DOI: 10.1016/j.cell.2013.11.027.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsArgonaute ProteinsBase SequenceBiosynthetic PathwaysDEAD-box RNA HelicasesGenome-Wide Association StudyGuanosineHumansKaryopherinsMiceMicroRNAsMolecular Sequence DataReceptors, Cytoplasmic and NuclearRibonuclease IIIRNA CapsRNA Polymerase IIRNA, Small InterferingTranscription Termination, GeneticConceptsCap-binding protein eIF4EMiRNA biogenesis pathwayNuclear-cytoplasmic transportGuide strand selectionShRNA expression constructsTranscription start siteBiogenesis pathwayCytoplasmic DicerMicroprocessor complexTranscription terminationProtein eIF4EExportin-5MicroRNA precursorsMiRNA hairpinsPrimary transcriptStrand selectionGene regulatorsStart siteDicer cleavageExpression constructsSingle microRNAMiRNAsMicroRNAsPathwayMicroRNPs
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 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
1994
Sequence 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
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
Three novel functional variants of human U5 small nuclear RNA.
Sontheimer EJ, Steitz JA. Three novel functional variants of human U5 small nuclear RNA. Molecular And Cellular Biology 1992, 12: 734-746. PMID: 1310151, PMCID: PMC364287, DOI: 10.1128/mcb.12.2.734.Peer-Reviewed Original ResearchConceptsU5 small nuclear RNASmall nuclear RNANuclear RNAHeLa cellsSmall nuclear ribonucleoprotein particleTri-snRNP complexOligonucleotide-directed RNase H cleavageNuclear ribonucleoprotein particleNovel functional variantsFull-length speciesAffinity-purified spliceosomesTrimethylguanosine capAlternative splicingShorter speciesRibonucleoprotein particleMinimal domainHeLa extractsPrimer extensionFunctional variantsHigh abundanceBase changesNorthern blottingAbundant formRNASpecies
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 reactions
1986
A small nuclear ribonucleoprotein associates with the AAUAAA polyadenylation signal in vitro
Hashimoto C, Steitz J. A small nuclear ribonucleoprotein associates with the AAUAAA polyadenylation signal in vitro. Cell 1986, 45: 581-591. PMID: 2423249, DOI: 10.1016/0092-8674(86)90290-4.Peer-Reviewed Original Research