2022
Modulation of mRNA 3′-End Processing and Transcription Termination in Virus-Infected Cells
Vijayakumar A, Park A, Steitz JA. Modulation of mRNA 3′-End Processing and Transcription Termination in Virus-Infected Cells. Frontiers In Immunology 2022, 13: 828665. PMID: 35222412, PMCID: PMC8866245, DOI: 10.3389/fimmu.2022.828665.Peer-Reviewed Original Research
2021
STL-seq reveals pause-release and termination kinetics for promoter-proximal paused RNA polymerase II transcripts
Zimmer JT, Rosa-Mercado NA, Canzio D, Steitz JA, Simon MD. STL-seq reveals pause-release and termination kinetics for promoter-proximal paused RNA polymerase II transcripts. Molecular Cell 2021, 81: 4398-4412.e7. PMID: 34520723, PMCID: PMC9020433, DOI: 10.1016/j.molcel.2021.08.019.Peer-Reviewed Original ResearchConceptsPause releaseRNA polymerase II transcriptsRNA polymerase II moleculesCis-acting DNA elementsTATA box-containing promotersPolymerase II transcriptsPromoter-proximal pausingCritical regulatory functionsTranscriptional regulationRNA turnoverTranscriptional controlDNA elementsTranscriptional shutdownPause sitesHyperosmotic stressRegulatory mechanismsRegulatory functionsPrinciples of regulationHormonal stimuliPausingPremature terminationTranscriptsRegulationtRNA-like leader-trailer interaction promotes 3′-end maturation of MALAT1
Torabi SF, DeGregorio SJ, Steitz JA. tRNA-like leader-trailer interaction promotes 3′-end maturation of MALAT1. RNA 2021, 27: 1140-1147. PMID: 34253686, PMCID: PMC8457004, DOI: 10.1261/rna.078810.121.Peer-Reviewed Original ResearchRNA stabilization by a poly(A) tail 3′-end binding pocket and other modes of poly(A)-RNA interaction
Torabi SF, Vaidya AT, Tycowski KT, DeGregorio SJ, Wang J, Shu MD, Steitz TA, Steitz JA. RNA stabilization by a poly(A) tail 3′-end binding pocket and other modes of poly(A)-RNA interaction. Science 2021, 371 PMID: 33414189, PMCID: PMC9491362, DOI: 10.1126/science.abe6523.Peer-Reviewed Original ResearchMeSH KeywordsCrystallizationNucleic Acid ConformationOryzaPoly APolyadenylationRNA StabilityRNA, Messenger
2018
Two herpesviral noncoding PAN RNAs are functionally homologous but do not associate with common chromatin loci
Withers JB, Li ES, Vallery TK, Yario TA, Steitz JA. Two herpesviral noncoding PAN RNAs are functionally homologous but do not associate with common chromatin loci. PLOS Pathogens 2018, 14: e1007389. PMID: 30383841, PMCID: PMC6233925, DOI: 10.1371/journal.ppat.1007389.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCell LineCell NucleusChromatinGene Expression Regulation, ViralGene Knockdown TechniquesHEK293 CellsHerpesviridaeHerpesviridae InfectionsHerpesvirus 8, HumanHost-Pathogen InteractionsHumansMacaca mulattaRhadinovirusRNA, Long NoncodingRNA, MessengerRNA, NuclearRNA, ViralTumor Virus InfectionsViral ProteinsVirus ReplicationConceptsKaposi's sarcoma-associated herpesvirusPAN RNAPAN RNA expressionGene expressionChromatin lociSarcoma-associated herpesvirusViral mRNAsSpecific chromatin lociNuclear mRNA exportNucleotide sequence conservationAbundant nuclear RNARNA expressionLytic viral gene expressionViral gene expressionMRNA exportRNA associationSequence conservationPolyadenylated transcriptsViral chromatinLoci differHost chromatinRNA functionCell fractionationNuclear RNAProgeny virion releaseKaposi's Sarcoma-Associated Herpesvirus mRNA Accumulation in Nuclear Foci Is Influenced by Viral DNA Replication and Viral Noncoding Polyadenylated Nuclear RNA
Vallery TK, Withers JB, Andoh JA, Steitz JA. Kaposi's Sarcoma-Associated Herpesvirus mRNA Accumulation in Nuclear Foci Is Influenced by Viral DNA Replication and Viral Noncoding Polyadenylated Nuclear RNA. Journal Of Virology 2018, 92: 10.1128/jvi.00220-18. PMID: 29643239, PMCID: PMC6002709, DOI: 10.1128/jvi.00220-18.Peer-Reviewed Original ResearchConceptsKaposi's sarcoma-associated herpesvirusViral replication compartmentsSarcoma-associated herpesvirusReplication compartmentsViral DNA replicationViral DNA synthesisPAN RNANuclear fociDNA replicationNuclear RNAViral mRNAsDNA synthesisViral transcriptsLytic phaseIntronless viral mRNAsHijack host machineryActive viral DNA replicationPolyadenylated Nuclear RNAHost cell nucleusViral noncoding RNAViral RNA accumulationShutoff effectHuman cell hostSpatiotemporal regulationViral life cycle
2017
Settling the m6A debate: methylation of mature mRNA is not dynamic but accelerates turnover
Rosa-Mercado NA, Withers JB, Steitz JA. Settling the m6A debate: methylation of mature mRNA is not dynamic but accelerates turnover. Genes & Development 2017, 31: 957-958. PMID: 28637691, PMCID: PMC5495124, DOI: 10.1101/gad.302695.117.Peer-Reviewed Original ResearchMeSH KeywordsAdenosineAnimalsExonsHeLa CellsHumansMethylationMethyltransferasesRNA SplicingRNA, MessengerConceptsPre-mRNA splicing eventsPost-transcriptional modificationsMRNA biogenesisDifferent subcellular fractionsMRNA biologySplicing eventsMature mRNABiochemical approachesRNA transcriptsPivotal regulatorMethylation levelsHeLa cellsSubcellular fractionsRNA nucleosidesMethylationTranscriptsBiogenesisChromatinSplicingMethyladenosineExonsGenesRNABiologyRegulator
2016
Fluorescence Amplification Method for Forward Genetic Discovery of Factors in Human mRNA Degradation
Alexandrov A, Shu MD, Steitz JA. Fluorescence Amplification Method for Forward Genetic Discovery of Factors in Human mRNA Degradation. Molecular Cell 2016, 65: 191-201. PMID: 28017590, PMCID: PMC5301997, DOI: 10.1016/j.molcel.2016.11.032.Peer-Reviewed Original ResearchConceptsNonsense-mediated decayPremature termination codonNMD factorsNMD pathwayMRNA degradationHuman cellsForward genetic screeningGenetic screen identifiesHuman genetic diseasesHuman candidate genesNonsense suppression therapyModel organismsGenetic screeningScreen identifiesTermination codonCandidate genesGenetic discoveriesReporter fluorescenceGenetic diseasesPathwayAdditional key factorsCellsCRISPRCodonHomologyIntronless β-Globin Reporter: A Tool for Studying Nuclear RNA Stability Elements
Brown JA, Steitz JA. Intronless β-Globin Reporter: A Tool for Studying Nuclear RNA Stability Elements. Methods In Molecular Biology 2016, 1428: 77-92. PMID: 27236793, PMCID: PMC5547891, DOI: 10.1007/978-1-4939-3625-0_5.Peer-Reviewed Original ResearchMyriad Triple-Helix-Forming Structures in the Transposable Element RNAs of Plants and Fungi
Tycowski KT, Shu MD, Steitz JA. Myriad Triple-Helix-Forming Structures in the Transposable Element RNAs of Plants and Fungi. Cell Reports 2016, 15: 1266-1276. PMID: 27134163, PMCID: PMC4864102, DOI: 10.1016/j.celrep.2016.04.010.Peer-Reviewed Original ResearchConceptsTransposable elementsCellular noncoding RNAsPotential evolutionary consequencesCis-acting RNA structuresIntron lossEvolutionary consequencesBioinformatic identificationTE transcriptsReporter transcriptFish speciesNoncoding RNAsElement RNAHorizontal transferRNA structureTransposase geneRich tractHuman cellsTriple helix formationBase triplesRNAEne coreTranscriptsTriple helixIntronlessGenome
2015
Herpesvirus saimiri MicroRNAs Preferentially Target Host Cell Cycle Regulators
Guo YE, Oei T, Steitz JA. Herpesvirus saimiri MicroRNAs Preferentially Target Host Cell Cycle Regulators. Journal Of Virology 2015, 89: 10901-10911. PMID: 26292323, PMCID: PMC4621106, DOI: 10.1128/jvi.01884-15.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBinding SitesBlotting, WesternCallithrixCDC2 Protein KinaseCell Cycle ProteinsEndoplasmic Reticulum Chaperone BiPHeat-Shock ProteinsHEK293 CellsHerpesvirus 2, SaimiriineHigh-Throughput Nucleotide SequencingHumansImmunoprecipitationLuciferasesMicroRNAsPhosphorylationRNA, MessengerT-LymphocytesConceptsHost cell cycle regulatorsViral miRNAsCell cycle regulatorsHerpesvirus saimiriMRNA targetsCycle regulatorsProtein-coding genesPre-miRNA hairpinsCross-linking immunoprecipitationGene ontology analysisHigh-throughput sequencingOpen reading frameOncogenic Herpesvirus saimiriCyclin-dependent kinasesP300 transcriptional coactivatorCell cycle progressionKey negative regulatorMarmoset T cellsHITS-CLIPRepresses expressionOntology analysisTranscriptional coactivatorViral life cyclePrimary transcriptCellular transformationProteomics 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 oncogenesPIK3AP1
2012
Human spliceosomal protein CWC22 plays a role in coupling splicing to exon junction complex deposition and nonsense-mediated decay
Alexandrov A, Colognori D, Shu MD, Steitz JA. Human spliceosomal protein CWC22 plays a role in coupling splicing to exon junction complex deposition and nonsense-mediated decay. Proceedings Of The National Academy Of Sciences Of The United States Of America 2012, 109: 21313-21318. PMID: 23236153, PMCID: PMC3535618, DOI: 10.1073/pnas.1219725110.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceCarrier ProteinsEukaryotic Initiation Factor-4AEukaryotic Initiation Factor-4GExonsGene Knockdown TechniquesHEK293 CellsHeLa CellsHumansMolecular Sequence DataMutationNonsense Mediated mRNA DecayNuclear ProteinsPeptidylprolyl IsomeraseProtein BindingRNA SplicingRNA, MessengerRNA-Binding ProteinsSpliceosomesConceptsExon junction complexEJC depositionMultiprotein exon junction complexNonsense-mediated decay pathwayNonsense-mediated decaySpecific roleEJC assemblyEJC formationComplex eukaryotesDisrupts associationMetazoan mRNAsSpliceosomal proteinsCellular mRNAsHost genesSplicing defectsJunction complexDownstream eventsSplicingNatural substrateDecay pathwaysCWC22Depletion yieldsNMDMutationsMRNAConservation of a Triple-Helix-Forming RNA Stability Element in Noncoding and Genomic RNAs of Diverse Viruses
Tycowski KT, Shu MD, Borah S, Shi M, Steitz JA. Conservation of a Triple-Helix-Forming RNA Stability Element in Noncoding and Genomic RNAs of Diverse Viruses. Cell Reports 2012, 2: 26-32. PMID: 22840393, PMCID: PMC3430378, DOI: 10.1016/j.celrep.2012.05.020.Peer-Reviewed Original ResearchConceptsPAN RNAKaposi's sarcoma-associated herpesvirusSarcoma-associated herpesvirusStructure-based bioinformaticsRNA decay pathwaysDiverse viral genomesRNA stability elementNuclear retention elementPositive-strand RNA virusesReporter transcriptMammalian herpesvirusesGenomic RNAStability elementDNA virusesHuman cellsTriple helix formationRNA virusesDiverse virusesViral genomeRNAAbundant expressionDecay pathwaysTriple helixRetention elementsRapid identificationTracking expression and subcellular localization of RNA and protein species using high-throughput single cell imaging flow cytometry
Borah S, Nichols LA, Hassman LM, Kedes DH, Steitz JA. Tracking expression and subcellular localization of RNA and protein species using high-throughput single cell imaging flow cytometry. RNA 2012, 18: 1573-1579. PMID: 22745225, PMCID: PMC3404377, DOI: 10.1261/rna.033126.112.Peer-Reviewed Original ResearchConceptsKaposi's sarcoma-associated herpesvirusSarcoma-associated herpesvirusSubcellular localizationProtein moleculesHigh-throughput approachPAN RNAProtein speciesNoncoding RNAsNuclear RNAProtein C1Imaging Flow CytometryFlow cytometryRNANuclear translocationHigh-throughput applicationsLytic phaseViral RNATranslocationExpressionLocalizationCellsHeterogeneous populationPABPC1CytometryMoleculesEBV and human microRNAs co‐target oncogenic and apoptotic viral and human genes during latency
Riley KJ, Rabinowitz GS, Yario TA, Luna JM, Darnell RB, Steitz JA. EBV and human microRNAs co‐target oncogenic and apoptotic viral and human genes during latency. The EMBO Journal 2012, 31: 2207-2221. PMID: 22473208, PMCID: PMC3343464, DOI: 10.1038/emboj.2012.63.Peer-Reviewed Original ResearchConceptsHuman microRNAsLatent membrane protein 1Viral miRNA functionHigh-throughput sequencingHuman miRNA targetsMiRNA-binding sitesMiRNA functionEBV BHRF1Human genesMiRNA targetsMRNA targetsCellular miRNAsMembrane protein 1MiRNA clusterHuman miRNAsGene expressionCell cycleReporter assaysDistinct binding sitesViral mRNAsMiRNAsLytic genesLytic switchProtein 1EBV latent membrane protein 1
2011
A Viral Nuclear Noncoding RNA Binds Re-localized Poly(A) Binding Protein and Is Required for Late KSHV Gene Expression
Borah S, Darricarrère N, Darnell A, Myoung J, Steitz JA. A Viral Nuclear Noncoding RNA Binds Re-localized Poly(A) Binding Protein and Is Required for Late KSHV Gene Expression. PLOS Pathogens 2011, 7: e1002300. PMID: 22022268, PMCID: PMC3192849, DOI: 10.1371/journal.ppat.1002300.Peer-Reviewed Original ResearchConceptsPAN RNAKaposi's Sarcoma-Associated HerpesvirusNuclear noncoding RNANuclear noncoding RNAsShutoff effectLytic phaseKSHV gene expressionRepertoire of functionsTail of mRNATransient transfection experimentsConsequence of expressionLate viral proteinsNoncoding RNAsExonuclease proteinNuclear RNAProtein C1Translation efficiencyHost mRNAsMRNA stabilityGene expressionUnknown functionTransfection experimentsViral mRNAsPABPC1Binding protein
2010
Poly(A) Tail Recognition by a Viral RNA Element Through Assembly of a Triple Helix
Mitton-Fry RM, DeGregorio SJ, Wang J, Steitz TA, Steitz JA. Poly(A) Tail Recognition by a Viral RNA Element Through Assembly of a Triple Helix. Science 2010, 330: 1244-1247. PMID: 21109672, PMCID: PMC3074936, DOI: 10.1126/science.1195858.Peer-Reviewed Original ResearchConceptsSarcoma-associated herpesvirusBox H/ACA small nucleolar RNAsMajor-groove triple helixNuclear noncoding RNANuclear retention elementSmall nucleolar RNAsViral RNA elementsRich internal loopTriple helixKaposi's sarcoma-associated herpesvirusPAN RNADeadenylation assaysRNA decayRNA clampNucleolar RNAsNoncoding RNAsNuclear RNATail recognitionRNA elementsFunctional importanceAngstrom resolutionRich loopSecondary structureRNAEne core
2009
miRNPs: versatile regulators of gene expression in vertebrate cells1
Steitz JA, Vasudevan S. miRNPs: versatile regulators of gene expression in vertebrate cells1. Biochemical Society Transactions 2009, 37: 931-935. PMID: 19754429, DOI: 10.1042/bst0370931.Peer-Reviewed Original ResearchConceptsPost-transcriptional controlAssociation of Ago2Role of miRNAsImmature Xenopus oocytesTNFalpha AREProtein FXR1Contact-inhibited cellsTranslational regulationTranslation activationVersatile regulatorsTranslational efficiencyNegative regulatorGene expressionSpecific miRNACell cycleEffector moleculesCell growthXenopus oocytesAgo2FXR1
2008
Flexibility in the site of exon junction complex deposition revealed by functional group and RNA secondary structure alterations in the splicing substrate
Mishler DM, Christ AB, Steitz JA. Flexibility in the site of exon junction complex deposition revealed by functional group and RNA secondary structure alterations in the splicing substrate. RNA 2008, 14: 2657-2670. PMID: 18952819, PMCID: PMC2590960, DOI: 10.1261/rna.1312808.Peer-Reviewed Original ResearchMeSH KeywordsEukaryotic Initiation Factor-4AHeLa CellsHumansNucleic Acid ConformationRiboseRNA Splice SitesRNA SplicingRNA, MessengerConceptsExon junction complexRNA secondary structureEJC depositionSplicing substrateMammalian nonsense-mediated mRNA decayNonsense-mediated mRNA decaySecondary structureStretches of DNATranslational regulationMRNA decayCoimmunoprecipitation assaysJunction complexSecondary structure alterationsDNA nucleotidesStructure alterationsH protectionUpstream shiftToeprintingExonsSitesNucleotidesDNACrystal structureDeposition sitesMRNA