2016
Host miRNA degradation by Herpesvirus saimiri small nuclear RNA requires an unstructured interacting region
Pawlica P, Moss WN, Steitz JA. Host miRNA degradation by Herpesvirus saimiri small nuclear RNA requires an unstructured interacting region. RNA 2016, 22: 1181-1189. PMID: 27335146, PMCID: PMC4931111, DOI: 10.1261/rna.054817.115.Peer-Reviewed Original ResearchConceptsSmall nuclear RNAMiR-27Nuclear RNAVivo secondary structureBioinformatic structural analysisBinding site sequenceMiRNA degradationU RNARNA functionMutagenic analysisHSUR1Interacting regionsSite sequenceHost microRNAsSecondary structureHerpesvirus saimiriT cell activationOncogenic herpesvirusRNAStructural flexibilityDecreased levelsMutantsStructural analysisDegradationMicroRNAs
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 transformationThe host Integrator complex acts in transcription-independent maturation of herpesvirus microRNA 3′ ends
Xie M, Zhang W, Shu MD, Xu A, Lenis DA, DiMaio D, Steitz JA. The host Integrator complex acts in transcription-independent maturation of herpesvirus microRNA 3′ ends. Genes & Development 2015, 29: 1552-1564. PMID: 26220997, PMCID: PMC4526738, DOI: 10.1101/gad.266973.115.Peer-Reviewed Original ResearchConceptsEnd processing signalsSmall nuclear RNAProximity ligation assayEnd processingPre-miRNAsHerpesvirus saimiriPre-miRNA hairpinsRNA-protein interactionsSitu proximity ligation assayIntegrator complexMiRNA 3MiRNA biogenesisSnRNA 3Primary miRNAMiRNA hairpinsIntegrator activityNuclear RNASequence downstreamOncogenic γ-herpesvirusesRescue experimentsLigation assayVivo knockdownComplex actsΓ-herpesvirusesHairpin
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
2011
A Primate Herpesvirus Uses the Integrator Complex to Generate Viral MicroRNAs
Cazalla D, Xie M, Steitz JA. A Primate Herpesvirus Uses the Integrator Complex to Generate Viral MicroRNAs. Molecular Cell 2011, 43: 982-992. PMID: 21925386, PMCID: PMC3176678, DOI: 10.1016/j.molcel.2011.07.025.Peer-Reviewed Original ResearchConceptsEnd processing signalsHerpesvirus saimiriMature viral miRNAsPre-miRNA hairpinsCis-acting elementsMarmoset T cellsIntegrator complexAGO proteinsMiRNA biogenesisMicroprocessor complexU RNAExportin-5Noncoding RNAsViral miRNAsProcessing assaysHost miRNAsDeep sequencingViral noncoding RNAsProtein componentsComplex cleavesHairpin structureHSURsPrimate herpesvirusesMiRNAsRNA
2010
Down-Regulation of a Host microRNA by a Viral Noncoding RNA
Cazalla D, Steitz JA. Down-Regulation of a Host microRNA by a Viral Noncoding RNA. Cold Spring Harbor Symposia On Quantitative Biology 2010, 75: 321-324. PMID: 21139068, PMCID: PMC5647998, DOI: 10.1101/sqb.2010.75.009.Peer-Reviewed Original ResearchConceptsHerpesvirus saimiriNoncoding RNAsHost cell gene expressionMiR-27Binding-dependent mannerAU-rich elementsViral noncoding RNAMarmoset T cellsMiRNA pathwayHost cell microRNAsViral life cycleConserved sequencesEctopic expressionMammalian virusesTarget genesTransient knockdownMutational analysisGene expressionHost microRNAsHSUR1Viral strategiesBase pairingDown regulationPrimate herpesvirusesLytic phase
2006
The Challenge of Viral snRNPs
CONRAD NK, FOK V, CAZALLA D, BORAH S, STEITZ JA. The Challenge of Viral snRNPs. Cold Spring Harbor Symposia On Quantitative Biology 2006, 71: 377-384. PMID: 17381320, DOI: 10.1101/sqb.2006.71.057.Peer-Reviewed Original ResearchConceptsNuclear noncoding RNAsHSURs 1Sarcoma-associated herpesvirusRibosomal protein L22Aggressive T-cell leukemiaT cell signalingViral gene expressionKaposi's sarcoma-associated herpesvirusHeterokaryon assayU RNADependent RNA degradationMammalian cellsNoncoding RNAsProtein L22Nuclear surveillanceRNA degradationHost mRNAsHost proteinsGene expressionMRNA transcriptsMutant virusHerpesvirus saimiriRNAImportant functionsRNAs
2005
Small Nuclear RNAs Encoded by Herpesvirus saimiri Upregulate the Expression of Genes Linked to T Cell Activation in Virally Transformed T Cells
Cook HL, Lytle JR, Mischo HE, Li MJ, Rossi JJ, Silva DP, Desrosiers RC, Steitz JA. Small Nuclear RNAs Encoded by Herpesvirus saimiri Upregulate the Expression of Genes Linked to T Cell Activation in Virally Transformed T Cells. Current Biology 2005, 15: 974-979. PMID: 15916956, DOI: 10.1016/j.cub.2005.04.034.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAntigens, CDAntigens, Differentiation, T-LymphocyteAntigens, NeoplasmBase PairingBlotting, NorthernBlotting, WesternCallithrixCD52 AntigenCell Line, TumorFlow CytometryGenetic VectorsGenome, ViralGlycoproteinsHerpesvirus 2, SaimiriineLentivirusLymphocyte ActivationMembrane ProteinsMicroarray AnalysisOncogene Proteins, ViralReceptors, Antigen, T-CellReceptors, ImmunologicRNA, Small NuclearT-LymphocytesTransduction, GeneticUp-RegulationConceptsSmall nuclear RNAHSURs 1Herpesvirus saimiriNuclear RNAExpression of genesAggressive T-cell leukemiaMarmoset T cellsHSUR 1U RNAAbundant viral transcriptCell activationT cellsHost mRNAsUnexpected roleIntracellular proteinsNorthern analysisSm classHost targetsViral transcriptsT cell activationNew World primatesRNAT-cell receptor betaT-cell leukemiaGamma chain
2004
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
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
1992
Viral small nuclear ribonucleoproteins bind a protein implicated in messenger RNA destabilization.
Myer VE, Lee SI, Steitz JA. Viral small nuclear ribonucleoproteins bind a protein implicated in messenger RNA destabilization. Proceedings Of The National Academy Of Sciences Of The United States Of America 1992, 89: 1296-1300. PMID: 1311093, PMCID: PMC48436, DOI: 10.1073/pnas.89.4.1296.Peer-Reviewed Original ResearchConceptsSmall nuclear ribonucleoproteinNuclear ribonucleoproteinCertain cellular mRNAsMessenger RNA destabilizationHerpesvirus saimiriNumber of protooncogenesHSUR 1HSURs 1Rapid degradationSmall RNAsU RNARNA destabilizationCellular mRNAsMarmoset T lymphocytesAbundant viral transcriptHost proteinsUntranslated regionAUUUA motifsExhibit sequencesViral transcriptsPrimate virusesViral transformationUnstable messagesProteinRibonucleoprotein
1990
Herpesvirus saimiri U RNAs are expressed and assembled into ribonucleoprotein particles in the absence of other viral genes
Lee SI, Steitz JA. Herpesvirus saimiri U RNAs are expressed and assembled into ribonucleoprotein particles in the absence of other viral genes. Journal Of Virology 1990, 64: 3905-3915. PMID: 2164602, PMCID: PMC249686, DOI: 10.1128/jvi.64.8.3905-3915.1990.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBase SequenceCallitrichinaeCell NucleusCell Transformation, ViralGene ExpressionGenes, ViralHeLa CellsHerpesvirus 2, SaimiriineHumansMolecular Sequence DataNucleic Acid ConformationPlasmidsRestriction MappingRibonucleoproteinsRibonucleoproteins, Small NuclearRNA, Small NuclearT-LymphocytesTransfection
1988
Four novel U RNAs are encoded by a herpesvirus
Lee S, Murthy S, Trimble J, Desrosiers R, Steitz J. Four novel U RNAs are encoded by a herpesvirus. Cell 1988, 54: 599-607. PMID: 2842058, DOI: 10.1016/s0092-8674(88)80004-7.Peer-Reviewed Original ResearchConceptsHSUR 1U RNAU RNA genesTrimethylguanosine cap structureSmall nuclear ribonucleoproteinEnd formation signalsAAUAAA polyadenylation signalBase pairing interactionsRNA genesMarmoset T lymphocytesPolyadenylation signalNuclear ribonucleoproteinCap structureEnd sequencesPerfect complementarityViral genesSnRNP particlesLow abundanceHerpesvirus saimiriRNASm determinantsGenesFormation signalEnd regionSequence