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 terminationTranscriptsRegulation
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 stoichiometryWidespread Inducible Transcription Downstream of Human Genes
Vilborg A, Passarelli MC, Yario TA, Tycowski KT, Steitz JA. Widespread Inducible Transcription Downstream of Human Genes. Molecular Cell 2015, 59: 449-461. PMID: 26190259, PMCID: PMC4530028, DOI: 10.1016/j.molcel.2015.06.016.Peer-Reviewed Original ResearchConceptsOsmotic stressLong non-coding regionsDownstream of genesProtein-coding genesNon-coding regionsPervasive transcriptionHuman cell linesTranscription downstreamHuman genomeHuman genesTranscript inductionRNA-seqPolyA signalUpstream transcriptsUndescribed mechanismGenesCell linesTranscriptionTranscript typeActive regulationTranscriptsDetailed mechanistic studiesRNADownstreamMechanistic studies
2014
Alternative Capture of Noncoding RNAs or Protein-Coding Genes by Herpesviruses to Alter Host T Cell Function
Guo YE, Riley KJ, Iwasaki A, Steitz JA. Alternative Capture of Noncoding RNAs or Protein-Coding Genes by Herpesviruses to Alter Host T Cell Function. Molecular Cell 2014, 54: 67-79. PMID: 24725595, PMCID: PMC4039351, DOI: 10.1016/j.molcel.2014.03.025.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAntigens, CDAntigens, Differentiation, T-LymphocyteBase SequenceCallithrixEnzyme ActivationGene Expression RegulationGPI-Linked ProteinsGRB2 Adaptor ProteinHEK293 CellsHerpesvirus 2, SaimiriineHigh-Throughput Nucleotide SequencingHost-Pathogen InteractionsHumansImmunoprecipitationInterferon-gammaJurkat CellsLectins, C-TypeLymphocyte ActivationMicroRNAsMitogen-Activated Protein KinasesMolecular Sequence DataReceptors, Antigen, T-CellRNA StabilityRNA, UntranslatedRNA, ViralSemaphorinsSequence Analysis, RNASignal TransductionT-LymphocytesTime FactorsTransfectionConceptsMitogen-activated protein kinaseMiR-27Protein coding genesHerpesvirus saimiriHigh-throughput sequencingTCR-induced activationCell functionHSUR 1Γ-herpesvirusesNoncoding RNAsProtein kinaseEctopic expressionOncogenic γ-herpesvirusesTarget genesInduction of CD69MicroRNA-27Key modulatorRNACommon targetAlHV-1GenesCell receptorDiverse strategiesHost T-cell functionCells
2009
Subnuclear compartmentalization of transiently expressed polyadenylated pri-microRNAs: Processing at transcription sites or accumulation in SC35 foci
Pawlicki JM, Steitz JA. Subnuclear compartmentalization of transiently expressed polyadenylated pri-microRNAs: Processing at transcription sites or accumulation in SC35 foci. Cell Cycle 2009, 8: 345-356. PMID: 19177009, PMCID: PMC3004524, DOI: 10.4161/cc.8.3.7494.Peer-Reviewed Original ResearchConceptsPri-miRNA processingPri-miRNAsTranscription sitesPrimary miRNA transcriptsPri-miRNA transcriptsPre-miRNA hairpinsRNA polymerase IIASF/SF2Splicing factor SC35Target messenger RNAsNumber of proteinsMiRNA biogenesisMiRNA transcriptsNuclear organizationMRNA metabolismPolymerase IINuclear fociProlyl isomeraseFactor SC35Subnuclear compartmentalizationPri-microRNAsMammalian cellsSC35 domainsGene expressionSC35
2006
Identification of a Rapid Mammalian Deadenylation-Dependent Decay Pathway and Its Inhibition by a Viral RNA Element
Conrad NK, Mili S, Marshall EL, Shu MD, Steitz JA. Identification of a Rapid Mammalian Deadenylation-Dependent Decay Pathway and Its Inhibition by a Viral RNA Element. Molecular Cell 2006, 24: 943-953. PMID: 17189195, DOI: 10.1016/j.molcel.2006.10.029.Peer-Reviewed Original ResearchConceptsQuality control pathwaysViral RNA elementsPAN RNAPolyadenylated transcriptsMammalian cellsNuclear RNASuch transcriptsRNA elementsCellular RNAGene expressionNuclear accumulationNuclear extractsNaked RNARNADecay pathwaysTranscriptsDeadenylationDependent fashionPathwayDeadenylaseIntronsAccumulationMRNAHybridizationIntramolecular hybridization