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
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
2012
Tracking 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 populationPABPC1CytometryMolecules
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 coreNoncoding RNPs of Viral Origin
Steitz J, Borah S, Cazalla D, Fok V, Lytle R, Mitton-Fry R, Riley K, Samji T. Noncoding RNPs of Viral Origin. Cold Spring Harbor Perspectives In Biology 2010, 3: a005165. PMID: 20719877, PMCID: PMC3039937, DOI: 10.1101/cshperspect.a005165.Peer-Reviewed Original Research
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
A Kaposi's sarcoma virus RNA element that increases the nuclear abundance of intronless transcripts
Conrad NK, Steitz JA. A Kaposi's sarcoma virus RNA element that increases the nuclear abundance of intronless transcripts. The EMBO Journal 2005, 24: 1831-1841. PMID: 15861127, PMCID: PMC1142595, DOI: 10.1038/sj.emboj.7600662.Peer-Reviewed Original Research