2019
Sirtuin 6 Attenuates Kaposi's Sarcoma-Associated Herpesvirus Reactivation by Suppressing Ori-Lyt Activity and Expression of RTA
Hu M, Armstrong N, Seto E, Li W, Zhu F, Wang P, Tang Q. Sirtuin 6 Attenuates Kaposi's Sarcoma-Associated Herpesvirus Reactivation by Suppressing Ori-Lyt Activity and Expression of RTA. Journal Of Virology 2019, 93: 10.1128/jvi.02200-18. PMID: 30651359, PMCID: PMC6430549, DOI: 10.1128/jvi.02200-18.Peer-Reviewed Original ResearchMeSH KeywordsCell LineCell Line, TumorDNA ReplicationDNA, ViralGene Expression Regulation, ViralHEK293 CellsHerpesvirus 8, HumanHumansImmediate-Early ProteinsNuclear ProteinsPromoter Regions, GeneticRepressor ProteinsRNA, Small InterferingSarcoma, KaposiSirtuinsTrans-ActivatorsViral ProteinsVirus LatencyVirus ReplicationConceptsKaposi's sarcoma-associated herpesvirusViral DNA replicationReactivation of KSHVSarcoma-associated herpesvirusDNA replicationGene expressionViral gene expressionKSHV promotersHistone deacetylasesPromoter activityKSHV reactivationKaposi's Sarcoma-Associated Herpesvirus ReactivationCell linesDepletion of SIRT6KSHV gene expressionChromatin immunoprecipitation assaysExpression of RTAViral protein productionReduced gene expressionCellular regulatorsImmunoprecipitation assaysOverexpression of SIRT6Multiple promotersKSHV genomeOri-Lyt
2015
ORF33 and ORF38 of Kaposi's Sarcoma-Associated Herpesvirus Interact and Are Required for Optimal Production of Infectious Progeny Viruses
Wu J, Avey D, Li W, Gillen J, Fu B, Miley W, Whitby D, Zhu F. ORF33 and ORF38 of Kaposi's Sarcoma-Associated Herpesvirus Interact and Are Required for Optimal Production of Infectious Progeny Viruses. Journal Of Virology 2015, 90: 1741-1756. PMID: 26637455, PMCID: PMC4734004, DOI: 10.1128/jvi.02738-15.Peer-Reviewed Original ResearchConceptsProgeny virionsCytoplasmic vesiclesKaposi's Sarcoma-Associated Herpesvirus InteractsDouble null mutantsEarly endosome membraneVirion-containing vesiclesMembranes of vesiclesLytic replicationViral gene expressionProgeny virion productionViral lytic replicationEndosome membraneHerpesvirus assemblyGolgi membranesComponent proteinsIdentical phenotypesGene expressionDelicate regulationVirion proteinsVirus assemblyVirus propagationExact functionInfectious progeny virusMature virionsViral assemblyPhosphoproteomic Analysis of KSHV-Infected Cells Reveals Roles of ORF45-Activated RSK during Lytic Replication
Avey D, Tepper S, Li W, Turpin Z, Zhu F. Phosphoproteomic Analysis of KSHV-Infected Cells Reveals Roles of ORF45-Activated RSK during Lytic Replication. PLOS Pathogens 2015, 11: e1004993. PMID: 26133373, PMCID: PMC4489790, DOI: 10.1371/journal.ppat.1004993.Peer-Reviewed Original ResearchMeSH KeywordsBlotting, WesternCell LineGene Expression Regulation, ViralGene Knockout TechniquesHerpesviridae InfectionsHerpesvirus 8, HumanHost-Parasite InteractionsHumansImmediate-Early ProteinsImmunoprecipitationMass SpectrometryPhosphorylationProteomicsReal-Time Polymerase Chain ReactionReverse Transcriptase Polymerase Chain ReactionRibosomal Protein S6 Kinases, 90-kDaTransfectionVirus ReplicationConceptsKaposi's Sarcoma-Associated HerpesvirusKSHV lytic replicationProgeny virion productionKSHV ORF45Putative substratesRSK activityExtracellular signal-regulated kinase (ERK) mitogen-activated protein kinase (MAPK) pathwayGene expressionEfficient KSHV lytic replicationLytic replicationP90 ribosomal S6 kinaseMitogen-activated protein kinase pathwayRSK-dependent phosphorylationHost cell machineryRibosomal S6 kinaseProtein kinase pathwayVirion productionActivation of RSKComplex secondary structureKSHV lytic gene expressionTranscriptional regulatorsDifferential phosphorylationLytic gene expressionCellular genesCell machinery
2014
Activation of p90 Ribosomal S6 Kinases by ORF45 of Kaposi's Sarcoma-Associated Herpesvirus Is Critical for Optimal Production of Infectious Viruses
Fu B, Kuang E, Li W, Avey D, Li X, Turpin Z, Valdes A, Brulois K, Myoung J, Zhu F. Activation of p90 Ribosomal S6 Kinases by ORF45 of Kaposi's Sarcoma-Associated Herpesvirus Is Critical for Optimal Production of Infectious Viruses. Journal Of Virology 2014, 89: 195-207. PMID: 25320298, PMCID: PMC4301102, DOI: 10.1128/jvi.01937-14.Peer-Reviewed Original ResearchConceptsRibosomal S6 kinaseP90 ribosomal S6 kinaseKaposi's sarcoma-associated herpesvirusViral gene expressionKSHV lytic replicationSarcoma-associated herpesvirusRSK activationS6 kinaseGene expressionVirus-infected cellsLytic reactivationWild-type virus-infected cellsMutant virus-infected cellsBacterial artificial chromosomeAlanine-scanning mutagenesisLytic replicationCritical rolePhosphoproteomic profilesArtificial chromosomesKinase ERKScanning mutagenesisProgeny viral particlesKSHV genomeInfectious progeny virionsORF45