2021
Who let the DoGs out? – biogenesis of stress-induced readthrough transcripts
Rosa-Mercado NA, Steitz JA. Who let the DoGs out? – biogenesis of stress-induced readthrough transcripts. Trends In Biochemical Sciences 2021, 47: 206-217. PMID: 34489151, PMCID: PMC8840951, DOI: 10.1016/j.tibs.2021.08.003.Peer-Reviewed Original ResearchConceptsCellular stress responseHuman protein-coding genesStress responseProtein-coding genesDoG inductionNascent mRNAReadthrough transcriptionTranscriptional landscapeDifferent stress conditionsReadthrough transcriptsStress conditionsViral proteinsBiogenesisStress removalGenesTranscriptsCell exposureProduction playTranscriptionRNAProteinMRNAHostProductionHallmark
2019
Quantitative Fluorescence In Situ Hybridization (FISH) and Immunofluorescence (IF) of Specific Gene Products in KSHV-Infected Cells.
Vallery TK, Steitz JA. Quantitative Fluorescence In Situ Hybridization (FISH) and Immunofluorescence (IF) of Specific Gene Products in KSHV-Infected Cells. Journal Of Visualized Experiments 2019 PMID: 31524859, PMCID: PMC6750728, DOI: 10.3791/59697.Peer-Reviewed Original ResearchConceptsRNA FISHSarcoma-associated herpesvirusSpecific RNAViral replication compartmentsSpecific gene productsSitu hybridizationKaposi's sarcoma-associated herpesvirusMultiple cell typesReplication compartmentsGene productsViral genesHost cellsCell typesQuantitative fluorescenceNuclear factoriesFishCell morphologyHuman hostMechanistic insightsSpatiotemporal activityUninfected cellsBehavior of biomoleculesRNAProteinCells
2018
Immunoprecipitation of Tri-methylated Capped RNA.
Hayes KE, Barr JA, Xie M, Steitz JA, Martinez I. Immunoprecipitation of Tri-methylated Capped RNA. Bio-protocol 2018, 8 PMID: 29527542, PMCID: PMC5842925, DOI: 10.21769/bioprotoc.2717.Peer-Reviewed Original ResearchPri-miRNAsCellular quiescenceAlternative miRNA biogenesis pathwaysMiRNA biogenesis pathwayNon-coding RNAsBiogenesis pathwayDNA replicationTotal RNA extractsRNA immunoprecipitationOrgan regenerationRNA extractsFibroblast cellsImmunoprecipitationRNASpecific isolationProteinQuiescenceWound healingImportant roleTrimethylguanosineMicroRNAsAutophagyCytoplasmP27Pathway
2016
A proximity-dependent assay for specific RNA–protein interactions in intact cells
Zhang W, Xie M, Shu MD, Steitz JA, DiMaio D. A proximity-dependent assay for specific RNA–protein interactions in intact cells. RNA 2016, 22: 1785-1792. PMID: 27659050, PMCID: PMC5066630, DOI: 10.1261/rna.058248.116.Peer-Reviewed Original ResearchConceptsRNA-protein interactionsSpecific RNA-protein interactionsProximity ligation assayTarget RNAProtein-protein interactionsSame cellular compartmentCellular compartmentsRNA targetsIntact cellsLigation assayRNADiscrete compartmentsProteinDNA oligonucleotideFluorescent signalOligonucleotide complementaryCellsCompartmentsAssaysColocalizationHigh specificityInteractionStaining methodOligonucleotideAdaptation
2015
A heterotrimer model of the complete Microprocessor complex revealed by single-molecule subunit counting
Herbert KM, Sarkar SK, Mills M, De la Herran H, Neuman KC, Steitz JA. A heterotrimer model of the complete Microprocessor complex revealed by single-molecule subunit counting. RNA 2015, 22: 175-183. PMID: 26683315, PMCID: PMC4712668, DOI: 10.1261/rna.054684.115.Peer-Reviewed Original ResearchConceptsPri-miRNA substratesMicroprocessor complexHeterotrimeric complexDeletion constructsSingle-molecule subunit countingRNA-binding proteinFull-length proteinAbsence of RNAStem-loop structureSingle-molecule photobleachingSize exclusion chromatographyPresence of RNARNaseIII enzymesPhotobleaching assaysMicroRNA biogenesisSubunit countingMammalian cellsDroshaDGCR8Fluorescent proteinHuman cellsMultiple copiesRNAProteinExact stoichiometryProteomics and Transcriptomics of BJAB Cells Expressing the Epstein-Barr Virus Noncoding RNAs EBER1 and EBER2
Pimienta G, Fok V, Haslip M, Nagy M, Takyar S, Steitz JA. Proteomics and Transcriptomics of BJAB Cells Expressing the Epstein-Barr Virus Noncoding RNAs EBER1 and EBER2. PLOS ONE 2015, 10: e0124638. PMID: 26121143, PMCID: PMC4487896, DOI: 10.1371/journal.pone.0124638.Peer-Reviewed Original ResearchConceptsMRNA-seq dataHost cell nucleusBJAB cellsCell proliferationGene expression featuresPro-survival effectsProtein adaptersAlternative splicingMRNA transcriptomeUpregulated proteinsSILAC dataRich elementsAkt activationPI3K-AktBiochemical assaysCell nucleiEBV latencySwitch eventsProteinMaintenance of latencyCell linesVEGFA proteinMechanistic explanationUpregulated oncogenesPIK3AP1Viral noncoding RNAs: more surprises
Tycowski KT, Guo YE, Lee N, Moss WN, Vallery TK, Xie M, Steitz JA. Viral noncoding RNAs: more surprises. Genes & Development 2015, 29: 567-584. PMID: 25792595, PMCID: PMC4378190, DOI: 10.1101/gad.259077.115.Peer-Reviewed Original ResearchConceptsDiverse biological rolesSmall noncoding RNAsMultitude of functionsHost immune evasionEukaryotic cellsCellular transformationNoncoding RNAsHost counterpartsAnimal virusesBiological roleNcRNAsRNA virusesViral ncRNAsMechanism of actionImmune evasionViral replicationMore surprisesBiogenesisViral persistenceRNAProteinDNAVirusRegulationReplication
2014
3′-Biotin-tagged microRNA-27 does not associate with Argonaute proteins in cells
Guo YE, Steitz JA. 3′-Biotin-tagged microRNA-27 does not associate with Argonaute proteins in cells. RNA 2014, 20: 985-988. PMID: 24821854, PMCID: PMC4114695, DOI: 10.1261/rna.045054.114.Peer-Reviewed Original ResearchNuclear Translocation and Regulation of Intranuclear Distribution of Cytoplasmic Poly(A)-Binding Protein Are Distinct Processes Mediated by Two Epstein Barr Virus Proteins
Park R, El-Guindy A, Heston L, Lin SF, Yu KP, Nagy M, Borah S, Delecluse HJ, Steitz J, Miller G. Nuclear Translocation and Regulation of Intranuclear Distribution of Cytoplasmic Poly(A)-Binding Protein Are Distinct Processes Mediated by Two Epstein Barr Virus Proteins. PLOS ONE 2014, 9: e92593. PMID: 24705134, PMCID: PMC3976295, DOI: 10.1371/journal.pone.0092593.Peer-Reviewed Original ResearchConceptsHost gene expressionIntranuclear distributionZEBRA mutantsReplication proteinsNuclear translocationGene expressionEssential replication proteinViral replication proteinsDownstream viral genesViral replication compartmentsLytic replicationNew protein synthesisBZIP proteinsGlobal shutoffViral alkaline nucleaseReplication compartmentsPABPCEssential functionsEpstein-Barr virus proteinsHost shutoffViral genesLytic programProtein synthesisBinding proteinProtein
2013
Phosphorylation of DGCR8 Increases Its Intracellular Stability and Induces a Progrowth miRNA Profile
Herbert KM, Pimienta G, DeGregorio SJ, Alexandrov A, Steitz JA. Phosphorylation of DGCR8 Increases Its Intracellular Stability and Induces a Progrowth miRNA Profile. Cell Reports 2013, 5: 1070-1081. PMID: 24239349, PMCID: PMC3892995, DOI: 10.1016/j.celrep.2013.10.017.Peer-Reviewed Original ResearchConceptsMicroprocessor complexRNA-binding proteinRNase III enzymeInhibition of phosphatasesStem-loop structureERK/MAPKSpecific processing activityMiRNA expression profilesExtracellular cuesMiRNA biogenesisDrosha proteinPhosphorylation sitesPrimary miRNAMammalian cellsProtein stabilityExpression profilesDGCR8Intracellular stabilityHeLa cellsCellular levelMiRNA profilesPhosphorylationMRNA levelsProteinCells
2012
Association of Argonaute proteins and microRNAs can occur after cell lysis
Riley KJ, Yario TA, Steitz JA. Association of Argonaute proteins and microRNAs can occur after cell lysis. RNA 2012, 18: 1581-1585. PMID: 22836356, PMCID: PMC3425773, DOI: 10.1261/rna.034934.112.Peer-Reviewed Original ResearchConceptsHuman AgosMiRNA-protein complexesMicroRNA target identificationDirect mRNA targetsCore protein componentsArgonaute proteinsAGO proteinsMRNA targetsImmunoprecipitation experimentsProtein componentsMiRNA mimicsRNAEndogenous interactionCell lysisTarget identificationImmunopurification techniquesGlobal analysisProteinInteraction artifactsOrigin of interactionsExperimental approachArgonauteVivoAgoMiRNAsTri-snRNP-associated proteins interact with subunits of the TRAMP and nuclear exosome complexes, linking RNA decay and pre-mRNA splicing
Nag A, Steitz JA. Tri-snRNP-associated proteins interact with subunits of the TRAMP and nuclear exosome complexes, linking RNA decay and pre-mRNA splicing. RNA Biology 2012, 9: 334-342. PMID: 22336707, PMCID: PMC3384585, DOI: 10.4161/rna.19431.Peer-Reviewed Original ResearchConceptsDecay machineryMRNA splicingRNA decay machineryRNA decay factorsTri-snRNP complexNuclear exosome complexPM/SclYeast counterpartIntergenic transcriptsSnoRNA biogenesisExosome complexTri-snRNPRNA decayRRNA processingPhosphorylation sitesMRNA processingPutative componentsMtr4Prp31MachinerySplicingDifferent pathwaysProteinSpliceosomeBiogenesis
2009
A Conserved WD40 Protein Binds the Cajal Body Localization Signal of scaRNP Particles
Tycowski KT, Shu MD, Kukoyi A, Steitz JA. A Conserved WD40 Protein Binds the Cajal Body Localization Signal of scaRNP Particles. Molecular Cell 2009, 34: 47-57. PMID: 19285445, PMCID: PMC2700737, DOI: 10.1016/j.molcel.2009.02.020.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid MotifsAnimalsBase SequenceCell LineChromatography, AffinityCoiled BodiesDrosophila melanogasterDrosophila ProteinsHeLa CellsHumansMolecular Sequence DataNucleic Acid ConformationRecombinant Fusion ProteinsRegulatory Sequences, Ribonucleic AcidRibonucleoproteinsRNA-Binding ProteinsSequence AlignmentConceptsCAB boxCB localizationSmall Cajal bodyWD40 proteinsRNP functionCajal bodiesLocalization signalACA motifDomain RNATelomerase RNAHuman homologPosttranscriptional modificationsSmall nuclearWDR79ScaRNAsRNA elementsCentral playerUV crosslinkNuclear RNPCore proteinRNAProteinAdditional interactionsBindingLocalizationDrosophila hnRNP A1 homologs Hrp36/Hrp38 enhance U2-type versus U12-type splicing to regulate alternative splicing of the prospero twintron
Borah S, Wong AC, Steitz JA. Drosophila hnRNP A1 homologs Hrp36/Hrp38 enhance U2-type versus U12-type splicing to regulate alternative splicing of the prospero twintron. Proceedings Of The National Academy Of Sciences Of The United States Of America 2009, 106: 2577-2582. PMID: 19196985, PMCID: PMC2636732, DOI: 10.1073/pnas.0812826106.Peer-Reviewed Original ResearchConceptsU12-type splicingPurine-rich elementAlternative splicingMRNA undergoes alternative splicingTranscription factor ProsperoU12-type spliceosomeHeterogeneous nuclear ribonucleoprotein A1Undergoes alternative splicingU2-type spliceosomeDrosophila homologDrosophila embryogenesisS2 cellsHnRNP A1TwintronSplicingNeuronal differentiationHrp38SpliceosomeIntronsEmbryogenesisProteinAxonal outgrowthHrp36HnRNPsHomolog
2008
Conserved motifs in both CPSF73 and CPSF100 are required to assemble the active endonuclease for histone mRNA 3′‐end maturation
Kolev NG, Yario TA, Benson E, Steitz JA. Conserved motifs in both CPSF73 and CPSF100 are required to assemble the active endonuclease for histone mRNA 3′‐end maturation. EMBO Reports 2008, 9: 1013-1018. PMID: 18688255, PMCID: PMC2572124, DOI: 10.1038/embor.2008.146.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid MotifsAmino Acid SequenceBase SequenceCell LineCleavage And Polyadenylation Specificity FactorConserved SequenceEndonucleasesEnzyme ActivationHeLa CellsHistonesHumansMolecular Sequence DataProtein Structure, TertiaryProtein SubunitsRNA 3' End ProcessingRNA PrecursorsRNA, MessengerConceptsPre-messenger RNAPolyadenylation specificity factorMammalian proteinsRNase ZConserved motifsHistone mRNASpecificity factorEndonucleolytic cleavageActive endonucleaseEndonuclease activityMBL familyComplex machineryMessenger RNAPoint mutationsCPSF73CPSF100Process of maturationMaturation processRNAProteinMotifMRNAMaturationEukaryotesCleavage
2006
Multiple domains of EBER 1, an Epstein-Barr virus noncoding RNA, recruit human ribosomal protein L22
Fok V, Mitton-Fry RM, Grech A, Steitz JA. Multiple domains of EBER 1, an Epstein-Barr virus noncoding RNA, recruit human ribosomal protein L22. RNA 2006, 12: 872-882. PMID: 16556938, PMCID: PMC1440895, DOI: 10.1261/rna.2339606.Peer-Reviewed Original ResearchMeSH KeywordsBinding SitesCarrier ProteinsCell LineCross-Linking ReagentsElectrophoretic Mobility Shift AssayHerpesvirus 4, HumanHumansIn Vitro TechniquesMaltose-Binding ProteinsNucleic Acid ConformationPlasmidsProtein BindingProtein Structure, TertiaryRecombinant Fusion ProteinsRibosomal ProteinsRNA, UntranslatedRNA, ViralRNA-Binding ProteinsSequence DeletionTranscription, GeneticTransfectionUltraviolet Rays
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 ResearchConceptsMolecular 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 sitesNucleolarSitesRNAMotifSRprises along a Messenger’s Journey
Huang Y, Steitz JA. SRprises along a Messenger’s Journey. Molecular Cell 2005, 17: 613-615. PMID: 15749011, DOI: 10.1016/j.molcel.2005.02.020.Peer-Reviewed Original Research
2004
A molecular link between SR protein dephosphorylation and mRNA export
Huang Y, Yario TA, Steitz JA. A molecular link between SR protein dephosphorylation and mRNA export. Proceedings Of The National Academy Of Sciences Of The United States Of America 2004, 101: 9666-9670. PMID: 15210956, PMCID: PMC470732, DOI: 10.1073/pnas.0403533101.Peer-Reviewed Original ResearchConceptsNuclear export factor 1Multiple RNA-binding proteinsMRNA-protein complexesSR protein dephosphorylationMRNA nuclear exportASF/SF2RNA-binding proteinMRNA exportProtein dephosphorylationProtein complexesProtein adaptersNuclear exportSpliced mRNAPhosphorylation stateMolecular linkFactor 1MRNAHigh affinityMetazoansDephosphorylationExportComplexesSerineAdapterProteinThe Herpesvirus saimiri Small Nuclear RNAs Recruit AU-Rich Element-Binding Proteins but Do Not Alter Host AU-Rich Element-Containing mRNA Levels in Virally Transformed T Cells
Cook HL, Mischo HE, Steitz JA. The Herpesvirus saimiri Small Nuclear RNAs Recruit AU-Rich Element-Binding Proteins but Do Not Alter Host AU-Rich Element-Containing mRNA Levels in Virally Transformed T Cells. Molecular And Cellular Biology 2004, 24: 4522-4533. PMID: 15121869, PMCID: PMC400482, DOI: 10.1128/mcb.24.10.4522-4533.2004.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAntigens, SurfaceBase CompositionBase SequenceCallithrixCell LineCell Transformation, ViralELAV ProteinsELAV-Like Protein 1Herpesvirus 2, SaimiriineHeterogeneous-Nuclear Ribonucleoprotein DIn Vitro TechniquesMolecular Sequence DataMutationNucleic Acid ConformationProtein BindingRNA-Binding ProteinsRNA, MessengerRNA, Small NuclearRNA, ViralT-LymphocytesConceptsAU-rich elementsSmall nuclear RNAHSURs 1Herpesvirus saimiriNuclear RNAMRNA decay pathwayMarmoset T cellsHSUR 1HnRNP DPosttranscriptional regulationHost mRNAsHost proteinsMicroarray analysisUnknown functionProtein tristetraprolinVivo interactionDecay pathwaysHSURsMRNARNAMRNA levelsT cellsProteinCellsPathway