2004
Vpx proteins of SIVmac239 and HIV-2ROD interact with the cytoskeletal protein α-actinin 1
Mueller S, Jung R, Weiler S, Lang S. Vpx proteins of SIVmac239 and HIV-2ROD interact with the cytoskeletal protein α-actinin 1. Journal Of General Virology 2004, 85: 3291-3303. PMID: 15483243, DOI: 10.1099/vir.0.80198-0.Peer-Reviewed Original ResearchMeSH KeywordsActininAmino Acid SequenceAnimalsBiological TransportChlorocebus aethiopsCOS CellsCytoplasmHIV-2Molecular Sequence DataProlineProtein Structure, TertiaryRetroviridae ProteinsSequence AlignmentSimian immunodeficiency virusTransfectionTwo-Hybrid System TechniquesViral Regulatory and Accessory ProteinsConceptsPre-integration complexNuclear localization signalNuclear importProline-rich C-terminal domainClassical import pathwayEfficient nuclear importTwo-hybrid screenAlpha-actinin 1Α-actinin 1C-terminal domainLoss of interactionImport pathwayLocalization signalCellular proteinsNuclear localizationSequence elementsCytoskeletal proteinsVpx geneVpx proteinsQuiescent cellsAA proteinViral proteinsProteinVirion particlesRed-capped mangabeys
2002
The First HxRxG Motif in Simian Immunodeficiency Virus mac239 Vpr Is Crucial for G2/M Cell Cycle Arrest
Mueller S, Lang S. The First HxRxG Motif in Simian Immunodeficiency Virus mac239 Vpr Is Crucial for G2/M Cell Cycle Arrest. Journal Of Virology 2002, 76: 11704-11709. PMID: 12388729, PMCID: PMC136740, DOI: 10.1128/jvi.76.22.11704-11709.2002.Peer-Reviewed Original ResearchConceptsCell cycle arrestCell cycle arrest functionCycle arrestArrest functionVpr mutantsAlpha-helical domainAlpha-helical regionG2/M cell cycle arrestLong terminal repeatM cell cycle arrestNuclear importArrest of cellsSIV long terminal repeatTranscriptional transactivationPreintegration complexSecond motifFunctional domainsReduced transactivationVpr proteinTerminal repeatAmino acidsTransactivationSingle substitutionMotifMutants
1999
The Acidic Region and Conserved Putative Protein Kinase C Phosphorylation Site in Nef Are Important for SIV Replication in Rhesus Macaques
Carl S, Iafrate A, Lang S, Stahl-Hennig C, Kuhn E, Fuchs D, Mätz-Rensing K, Haaft P, Heeney J, Skowronski J, Kirchhoff F. The Acidic Region and Conserved Putative Protein Kinase C Phosphorylation Site in Nef Are Important for SIV Replication in Rhesus Macaques. Virology 1999, 257: 138-155. PMID: 10208928, DOI: 10.1006/viro.1999.9645.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceAnimalsCD4 AntigensCOS CellsGene Products, nefHistocompatibility Antigens Class IHIV-1Hydrogen-Ion ConcentrationMacaca mulattaMolecular Sequence DataMutagenesis, Site-DirectedNef Gene Products, Human Immunodeficiency VirusPhosphorylationProtein Kinase CSimian immunodeficiency virusSurface PropertiesVirus ReplicationConceptsProtein kinase C phosphorylation sitesKinase C phosphorylation sitesC phosphorylation sitesPhosphorylation sitesPutative protein kinase C phosphorylation sitePotential protein kinase C phosphorylation sitesAcidic regionWild-type activityPKC phosphorylation sitesJurkat T cellsSignal transductionAbility of NefReplication assaysFunctional relevanceCell culture systemMutant virusNef functionPathogenic SIVmac239 cloneAcidic chargeReduced infectivityReplicationCulture systemNefRapid reversionRhesus macaques
1995
Downregulation of Lck-mediated signal transduction by tip of herpesvirus saimiri
Jung J, Lang S, Jun T, Roberts T, Veillette A, Desrosiers R. Downregulation of Lck-mediated signal transduction by tip of herpesvirus saimiri. Journal Of Virology 1995, 69: 7814-7822. PMID: 7494293, PMCID: PMC189725, DOI: 10.1128/jvi.69.12.7814-7822.1995.Peer-Reviewed Original ResearchMeSH KeywordsBase SequenceCell LineCell Line, TransformedCloning, MolecularDNA PrimersElectrophoresis, Polyacrylamide GelGene ExpressionHerpesvirus 2, SaimiriineHumansLymphocyte Specific Protein Tyrosine Kinase p56(lck)Molecular Sequence DataMolecular WeightPhosphoproteinsPlasmidsPolymerase Chain ReactionRecombinant Fusion ProteinsSignal TransductionSrc-Family KinasesT-LymphocytesTumor Cells, CulturedViral ProteinsConceptsExpression of tipSignal transductionTyrosine phosphorylationT cell signal transductionCellular signal transductionCellular tyrosine phosphorylationHuman Jurkat T cell lineJurkat T cell lineJurkat T cellsInhibition of LckSH3 domainLckTransductionHerpesvirus saimiriFibroblast cellsPhosphorylationStable complexesSurface expressionBinding assaysComplex formationExpressionCellsAnti-CD3 stimulationT cellsB cellsIdentification of Lck-binding Elements in Tip of Herpesvirus Saimiri (∗)
Jung J, Lang S, Friedrich U, Jun T, Roberts T, Desrosiers R, Biesinger B. Identification of Lck-binding Elements in Tip of Herpesvirus Saimiri (∗). Journal Of Biological Chemistry 1995, 270: 20660-20667. PMID: 7544793, DOI: 10.1074/jbc.270.35.20660.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceAnimalsBase SequenceBinding SitesCell LineChlorocebus aethiopsDNA PrimersHerpesvirus 2, SaimiriineLymphocyte Specific Protein Tyrosine Kinase p56(lck)Molecular Sequence DataMutagenesis, Site-DirectedPeptide FragmentsPhosphoproteinsPhosphoserinePhosphothreoninePhosphotyrosinePoint MutationPolymerase Chain ReactionProtein-Tyrosine KinasesRatsRecombinant ProteinsSequence Homology, Amino AcidSpodopteraStructure-Activity RelationshipTransfectionTyrosineViral ProteinsConceptsC-terminal SrcCellular protein kinasesBinding of sequencesInteraction of TipHerpesvirus saimiriLck kinase activityCOS-1 cellsRat-1 cell lineLck functionPutative SH3Cellular proteinsSH3 bindingProtein kinaseCarboxyl terminusLck kinaseVivo associationKinase activityMutational analysisFusion proteinLckAmino acidsKinaseHuman T cellsProteinCell linesIdentification of a nef allele that causes lymphocyte activation and acute disease in Macaque monkeys
Du Z, Lang S, Sasseville V, Lackner A, Ilyinskii P, Daniel M, Jung J, Desrosiers R. Identification of a nef allele that causes lymphocyte activation and acute disease in Macaque monkeys. Cell 1995, 82: 665-674. PMID: 7664345, DOI: 10.1016/0092-8674(95)90038-1.Peer-Reviewed Original ResearchMeSH Keywords3T3 CellsAllelesAmino Acid SequenceAnimalsBase SequenceDNA PrimersDNA, ViralGene Products, envGene Products, nefGenes, nefLymphocyte ActivationMacaca mulattaMiceMolecular Sequence DataPhagocytesPhenotypePhosphorylationRetroviridae Proteins, OncogenicSignal TransductionSimian Acquired Immunodeficiency SyndromeSimian immunodeficiency virusTransformation, GeneticTyrosineViral Fusion ProteinsVirus ReplicationConceptsAcute diseasePeripheral blood mononuclear cell culturesBlood mononuclear cell culturesMononuclear cell culturesT lymphocyte activationSevere diarrheaLymphoid proliferationsGastrointestinal tractNef allelesMacaque monkeysLymphocyte activationCellular activationSIVmac239NefDiseaseActivationMonkeysCell culturesImportant determinantCellsNIH 3T3 cellsTyrosine phosphorylationCotransfected COS cellsCOS cellsDiarrheaProgression to AIDS in the absence of a gene for vpr or vpx
Gibbs J, Lackner A, Lang S, Simon M, Sehgal P, Daniel M, Desrosiers R. Progression to AIDS in the absence of a gene for vpr or vpx. Journal Of Virology 1995, 69: 2378-2383. PMID: 7884883, PMCID: PMC188910, DOI: 10.1128/jvi.69.4.2378-2383.1995.Peer-Reviewed Original ResearchConceptsLow virus burdenSimian immunodeficiency virusVirus burdenRhesus monkeysLymphocyte concentrationsPlasma antigenemiaHigh virus burdenLymph node morphologyImmunodeficiency virusDisease progressionSIVmac replicationPrimate lentivirusesVirus replicationWild-type virusNode morphologyAIDSVpx geneTerminal stageProgressionAntigenemiaCD4VpxMonkeysEarly spikeBurden
1993
Importance of vpr for infection of rhesus monkeys with simian immunodeficiency virus
Lang S, Weeger M, Stahl-Hennig C, Coulibaly C, Hunsmann G, Müller J, Müller-Hermelink H, Fuchs D, Wachter H, Daniel M. Importance of vpr for infection of rhesus monkeys with simian immunodeficiency virus. Journal Of Virology 1993, 67: 902-912. PMID: 8380472, PMCID: PMC237444, DOI: 10.1128/jvi.67.2.902-912.1993.Peer-Reviewed Original ResearchConceptsVpr variantsTAA stop codonVpr geneATG start codonSite-specific mutagenesisVpr mutant virusSignificant selective pressureImportance of VprStart codonSelective pressureVpr mutantsStop codonGenesPathogenic molecular cloneMolecular cloneCell linesVprTest animalsCEMx174 cell lineCodonNef geneSimilar kineticsVirus replicationReversionStop signal