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
2000
Human Upf Proteins Target an mRNA for Nonsense-Mediated Decay When Bound Downstream of a Termination Codon
Lykke-Andersen J, Shu M, Steitz J. Human Upf Proteins Target an mRNA for Nonsense-Mediated Decay When Bound Downstream of a Termination Codon. Cell 2000, 103: 1121-1131. PMID: 11163187, DOI: 10.1016/s0092-8674(00)00214-2.Peer-Reviewed Original ResearchConceptsNonsense-mediated decayExon-exon junctionsTermination codonMRNA exon-exon junctionsNovel human proteinTranslation termination siteHeLa cell extractsBeta-globin mRNAPremature termination codonUpf proteinsEukaryotic cellsAberrant mRNAsHuman proteinsTermination sitesIntact cellsCell extractsCodonHUpf2ProteinMRNAHUpf1CellsCytoplasmCytoplasmicTethering
1993
A base-pairing interaction between U2 and U6 small nuclear RNAs occurs in > 150S complexes in HeLa cell extracts: implications for the spliceosome assembly pathway.
Wassarman DA, Steitz JA. A base-pairing interaction between U2 and U6 small nuclear RNAs occurs in > 150S complexes in HeLa cell extracts: implications for the spliceosome assembly pathway. Proceedings Of The National Academy Of Sciences Of The United States Of America 1993, 90: 7139-7143. PMID: 8346227, PMCID: PMC47091, DOI: 10.1073/pnas.90.15.7139.Peer-Reviewed Original ResearchConceptsU6 small nuclear RNASmall nuclear RNAS100 extractsNuclear RNASer/Arg-rich (SR) proteinsBase pairingNuclear extractsLarge complexesArg-rich proteinsPre-RNA splicingSpliceosome assembly pathwayHeLa cell extractsHeLa nuclear extractsBase-pairing interactionsBase pair formsPossible functional relationshipRibonucleoprotein complexesSpliceosome complexMammalian cellsAssembly pathwaySplicing substratePsoralen crosslinkingGlycerol gradientsCell extractsSplicing
1989
The RNA binding protein La influences both the accuracy and the efficiency of RNA polymerase III transcription in vitro.
Gottlieb E, Steitz JA. The RNA binding protein La influences both the accuracy and the efficiency of RNA polymerase III transcription in vitro. The EMBO Journal 1989, 8: 841-850. PMID: 2498086, PMCID: PMC400883, DOI: 10.1002/j.1460-2075.1989.tb03445.x.Peer-Reviewed Original ResearchConceptsTranscription levelsNascent RNA polymerase III transcriptsRNA polymerase III transcriptionAbundant nuclear phosphoproteinRNA polymerase III transcriptsPolymerase III transcriptionPolymerase III transcriptsClass III genesHeLa cell extractsAction of LaTranscript lengthTermination signalNuclear phosphoproteinUridylate residuesLa proteinTranscription activityAutoantigen LaCell extractsTranscriptsRNAAbsence of LAMouse monoclonal antibodyTranscriptionPhosphoproteinGenes
1987
Identification of the Human U7 snRNP as One of Several Factors Involved in the 3′ End Maturation of Histone Premessenger RNA's
Mowry K, Steitz J. Identification of the Human U7 snRNP as One of Several Factors Involved in the 3′ End Maturation of Histone Premessenger RNA's. Science 1987, 238: 1682-1687. PMID: 2825355, DOI: 10.1126/science.2825355.Peer-Reviewed Original ResearchConceptsU7 snRNPPre-mRNAEnd processingDownstream elementsCleavage siteSmall nuclear ribonucleoprotein complexesMammalian pre-mRNAHeLa cell extractsNuclear ribonucleoprotein complexesHistone pre-mRNAEnd maturationEukaryotic cellsRibonucleoprotein complexesPremessenger RNARNA moietySplicing reactionGene transcriptsCell extractsSnRNPMessenger RNARNA
1984
Autoantibodies to the U2 small nuclear ribonucleoprotein in a patient with scleroderma-polymyositis overlap syndrome.
Mimori T, Hinterberger M, Pettersson I, Steitz JA. Autoantibodies to the U2 small nuclear ribonucleoprotein in a patient with scleroderma-polymyositis overlap syndrome. Journal Of Biological Chemistry 1984, 259: 560-565. PMID: 6231285, DOI: 10.1016/s0021-9258(17)43698-2.Peer-Reviewed Original ResearchConceptsU2 small nuclear ribonucleoproteinSmall nuclear ribonucleoproteinNuclear ribonucleoproteinU2 small nuclear RNASm small nuclear ribonucleoproteinsU6 small nuclear ribonucleoproteinProtein blot analysisSmall nuclear RNAScleroderma-polymyositis overlap syndromeU1 small nuclear ribonucleoproteinHeLa cell extractsRNA speciesNuclear RNAB proteinCell extractsProtein bandsBlot analysisOverlap syndromeRibonucleoproteinProteinAnti-Sm antibodiesU1InsectsRNAPolypeptide
1983
Genes for two small cytoplasmic Ro RNAs are adjacent and appear to be single-copy in the human genome
Wolin S, Steitz J. Genes for two small cytoplasmic Ro RNAs are adjacent and appear to be single-copy in the human genome. Cell 1983, 32: 735-744. PMID: 6187471, DOI: 10.1016/0092-8674(83)90059-4.Peer-Reviewed Original ResearchConceptsHuman genomeRo RNAsSecondary structure homologyRNA polymerase IIISmall cytoplasmic ribonucleoproteinsClass III genesGenomic clonesMammalian cellsPolymerase IIIRNA componentStructure homologySingle copyCytoplasmic ribonucleoproteinHY5 RNAMouse cellsHuman cellsHY1Cell extractsGenesRNAGenomeRNAsHY3CellsMY1A mammalian tRNA His-Containing antigen is recognized by the polymyosits-specific antibody antijo-1
Rosa M, Hendrick J, Lerner M, Steitz J, Reichlin M. A mammalian tRNA His-Containing antigen is recognized by the polymyosits-specific antibody antijo-1. Nucleic Acids Research 1983, 11: 853-870. PMID: 6188108, PMCID: PMC325757, DOI: 10.1093/nar/11.3.853.Peer-Reviewed Original ResearchConceptsMammalian cell cytoplasmWobble positionMammalian tRNAHuman HeLaProteinase K treatmentRNA sequencesBase queuineTerminal nucleotidesCell extractsTRNACell cytoplasmAntigenic proteinsImmunofluorescence studiesPhenol extractionK treatmentSephacryl SMethylated guaninesAntigenic formsTRNAHisAntigenic complexQueuineAnticodonUnusual featuresColumn chromatographyNucleotides
1982
Precursor molecules of both human 5S ribosomal RNA and transfer RNAs are bound by a cellular protein reactive with anti-La Lupus antibodies
Rinke J, Steitz J. Precursor molecules of both human 5S ribosomal RNA and transfer RNAs are bound by a cellular protein reactive with anti-La Lupus antibodies. Cell 1982, 29: 149-159. PMID: 7105180, DOI: 10.1016/0092-8674(82)90099-x.Peer-Reviewed Original ResearchConceptsRRNA moleculesLa proteinLa RNAsPrecursor formNuclear transcription systemUninfected mammalian cellsPulse-chase experimentsSmall RNAsSmall ribonucleoproteinPrecursor moleculesTransfer RNAMammalian cellsRibosomal RNATRNA precursorsCertain tRNAsSpecific tRNAsRNA transcriptsTranscription systemU residuesCell extractsMature sizeHeLa cellsRNAEssential roleProtein