2001
Mechanisms of cell transformation by papillomavirus E5 proteins
DiMaio D, Mattoon D. Mechanisms of cell transformation by papillomavirus E5 proteins. Oncogene 2001, 20: 7866-7873. PMID: 11753669, DOI: 10.1038/sj.onc.1204915.Peer-Reviewed Original ResearchConceptsE5 proteinBovine papillomavirus E5 proteinCellular signal transduction pathwaysSignal transduction pathwaysLigand-independent fashionGrowth factor receptor activityReceptor tyrosine kinasesTransforming proteinTransduction pathwaysGrowth factor receptorVacuolar ATPaseReceptor dimerizationTyrosine kinaseCell transformationProteinViral transformationBovine papillomavirusFactor receptorUnique mechanismStable complexesNew insightsReceptor activityPathwayReceptorsKinase
1999
The Bovine Papillomavirus E5 Protein Requires a Juxtamembrane Negative Charge for Activation of the Platelet-Derived Growth Factor β Receptor and Transformation of C127 Cells
Klein O, Kegler-Ebo D, Su J, Smith S, DiMaio D. The Bovine Papillomavirus E5 Protein Requires a Juxtamembrane Negative Charge for Activation of the Platelet-Derived Growth Factor β Receptor and Transformation of C127 Cells. Journal Of Virology 1999, 73: 3264-3272. PMID: 10074180, PMCID: PMC104090, DOI: 10.1128/jvi.73.4.3264-3272.1999.Peer-Reviewed Original ResearchConceptsPlatelet-derived growth factor beta receptorPDGF beta receptorGrowth factor beta receptorE5 proteinBovine papillomavirus E5 proteinCell transformationHomodimeric transmembrane proteinSustained receptor activationC127 mouse fibroblastsExtracellular juxtamembrane regionBeta receptorsE5 dimerE5 mutantsDouble mutantJuxtamembrane regionTransmembrane proteinC127 cellsC-terminusAcidic residuesE5 geneMutantsPosition 33Mouse fibroblastsProteinSalt bridge
1998
Structural models of the bovine papillomavirus E5 protein
Surti T, Klein O, Aschheim K, DiMaio D, Smith S. Structural models of the bovine papillomavirus E5 protein. Proteins Structure Function And Bioinformatics 1998, 33: 601-612. PMID: 9849943, DOI: 10.1002/(sici)1097-0134(19981201)33:4<601::aid-prot12>3.0.co;2-i.Peer-Reviewed Original ResearchConceptsBovine papillomavirus E5 proteinE5 dimerE5 proteinType II integral membrane proteinIntegral membrane proteinsPrevious mutagenesis studiesLigand-independent activationDisulfide-linked homodimerPDGF beta receptorMembrane proteinsTransmembrane orientationMutagenesis studiesMembrane bilayerCell transformationGenetic resultsProteinGln17Receptor moleculesMolecular scaffoldsComplex formationAsp33Computational searchDimerizationDimer structureDimersRole of Glutamine 17 of the Bovine Papillomavirus E5 Protein in Platelet-Derived Growth Factor β Receptor Activation and Cell Transformation
Klein O, Polack G, Surti T, Kegler-Ebo D, Smith S, DiMaio D. Role of Glutamine 17 of the Bovine Papillomavirus E5 Protein in Platelet-Derived Growth Factor β Receptor Activation and Cell Transformation. Journal Of Virology 1998, 72: 8921-8932. PMID: 9765437, PMCID: PMC110309, DOI: 10.1128/jvi.72.11.8921-8932.1998.Peer-Reviewed Original ResearchConceptsBovine papillomavirus E5 proteinPDGF beta receptorE5 proteinTransform cellsCellular platelet-derived growth factor (PDGF) beta receptorAmino acidsBa/F3 hematopoietic cellsPosition 17Cell transformationPlatelet-derived growth factor beta receptorHomodimeric transmembrane proteinReceptor tyrosine phosphorylationGrowth factor beta receptorReceptor tyrosine kinasesPDGF receptor tyrosine kinaseReceptor activationPossible amino acidsBeta receptorsStable complexesComplex formationMutant proteinsTransmembrane domainTransmembrane proteinGrowth factor-beta (TGF-beta) receptor activationTyrosine phosphorylationVIROCRINE TRANSFORMATION: The Intersection Between Viral Transforming Proteins and Cellular Signal Transduction Pathways
DiMaio D, Lai C, Klein O. VIROCRINE TRANSFORMATION: The Intersection Between Viral Transforming Proteins and Cellular Signal Transduction Pathways. Annual Review Of Microbiology 1998, 52: 397-421. PMID: 9891803, DOI: 10.1146/annurev.micro.52.1.397.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAntigens, Polyomavirus TransformingBovine papillomavirus 1CattleCell Transformation, ViralHerpesvirus 4, HumanMiceOncogene ProteinsReceptor Protein-Tyrosine KinasesReceptor, Platelet-Derived Growth Factor betaReceptors, ErythropoietinReceptors, Platelet-Derived Growth FactorReceptors, Tumor Necrosis FactorSignal TransductionViral Envelope ProteinsViral Matrix ProteinsViral ProteinsConceptsCellular signal transduction pathwaysSignal transduction pathwaysTransduction pathwaysPlatelet-derived growth factor beta receptorPolyoma virus middle T antigenCellular signal transductionViral transforming proteinsCellular signaling pathwaysViral transformationMiddle T antigenGrowth factor beta receptorReceptor tyrosine kinasesTransforming proteinSignal transductionE5 proteinTumor necrosis factor receptorErythropoietin receptorTyrosine kinaseSignaling pathwaysCell transformationDiverse virusesNecrosis factor receptorViral oncoproteinsSpleen focusT antigen
1995
Mutational analysis of the interaction between the bovine papillomavirus E5 transforming protein and the endogenous beta receptor for platelet-derived growth factor in mouse C127 cells
Nilson L, Gottlieb R, Polack G, DiMaio D. Mutational analysis of the interaction between the bovine papillomavirus E5 transforming protein and the endogenous beta receptor for platelet-derived growth factor in mouse C127 cells. Journal Of Virology 1995, 69: 5869-5874. PMID: 7543592, PMCID: PMC189463, DOI: 10.1128/jvi.69.9.5869-5874.1995.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceAnimalsBinding SitesBovine papillomavirus 1Cell LineDNA Mutational AnalysisDown-RegulationFrameshift MutationKineticsMiceMolecular Sequence DataMutagenesisMutagenesis, Site-DirectedOncogene Proteins, ViralPhosphotyrosinePoint MutationProtein-Tyrosine KinasesReceptor, Platelet-Derived Growth Factor betaReceptors, Platelet-Derived Growth FactorRecombinant ProteinsTyrosineConceptsMouse C127 cellsE5 proteinReceptor tyrosine phosphorylationTyrosine phosphorylationPDGF beta receptorC127 cellsPDGF receptorWild-type E5 proteinBovine papillomavirus E5 proteinCarboxyl-terminal cysteine residueCell transformationPlatelet-derived growth factor beta receptorMembrane-associated proteinsSustained receptor activationPDGF receptor activationMutation of glutamineTransformation-competent mutantsGrowth factor beta receptorBovine papillomavirus E5Carboxyl-terminal positionBeta receptorsHigh-level expressionPlatelet-derived growth factorStable complex formationReceptor activation
1989
Genetic Evidence that Acute Morphologic Transformation, Induction of Cellular DNA Synthesis, and Focus Formation Are Mediated by a Single Activity of the Bovine Papillomavirus E5 Protein
Settleman J, Fazeli A, Malicki J, Horwitz B, Dimaio D. Genetic Evidence that Acute Morphologic Transformation, Induction of Cellular DNA Synthesis, and Focus Formation Are Mediated by a Single Activity of the Bovine Papillomavirus E5 Protein. Molecular And Cellular Biology 1989, 9: 5563-5572. DOI: 10.1128/mcb.9.12.5563-5572.1989.Peer-Reviewed Original ResearchE5 proteinE5 geneCellular DNA synthesisC127 cellsBovine papillomavirus E5 proteinMouse C127 cellsDNA synthesisMorphologic transformationCultured rodent cellsDefective phenotypeMissense mutantsUnstable proteinDefective mutantsGenetic evidenceMutational analysisE5 activityRodent cellsCell cycleViral genesBiochemical activitySerum starvationFoci formationCell transformationGenesContact inhibitionGenetic evidence that acute morphologic transformation, induction of cellular DNA synthesis, and focus formation are mediated by a single activity of the bovine papillomavirus E5 protein.
Settleman J, Fazeli A, Malicki J, Horwitz B, DiMaio D. Genetic evidence that acute morphologic transformation, induction of cellular DNA synthesis, and focus formation are mediated by a single activity of the bovine papillomavirus E5 protein. Molecular And Cellular Biology 1989, 9: 5563-5572. PMID: 2555701, PMCID: PMC363726, DOI: 10.1128/mcb.9.12.5563.Peer-Reviewed Original ResearchConceptsE5 proteinE5 geneCellular DNA synthesisC127 cellsBovine papillomavirus E5 proteinMouse C127 cellsDNA synthesisMorphologic transformationCultured rodent cellsDefective phenotypeMissense mutantsUnstable proteinDefective mutantsGenetic evidenceMutational analysisE5 activityRodent cellsCell cycleViral genesBiochemical activitySerum starvationCell transformationGenesContact inhibitionVirus multiplicityTransforming activity of a 16-amino-acid segment of the bovine papillomavirus E5 protein linked to random sequences of hydrophobic amino acids
Horwitz B, Weinstat D, DiMaio D. Transforming activity of a 16-amino-acid segment of the bovine papillomavirus E5 protein linked to random sequences of hydrophobic amino acids. Journal Of Virology 1989, 63: 4515-4519. PMID: 2552136, PMCID: PMC251082, DOI: 10.1128/jvi.63.11.4515-4519.1989.Peer-Reviewed Original ResearchConceptsE5 proteinAmino acidsWild-type E5 proteinBovine papillomavirus E5 proteinAmino acid sequence requirementsHydrophobic amino acid sequenceCarboxyl-terminal amino acidsMouse C127 cellsAmino acid sequenceBovine papillomavirus type 1Carboxyl-terminal portionWild-type onesHydrophobic amino acidsPapillomavirus type 1Hydrophobic sequenceDifferent amino acidsAcid sequenceC127 cellsSequence requirementsE5 geneCell transformationFoci formationSubstitution mutationsCell membraneProtein
1987
Genetic and biochemical definition of the bovine papillomavirus E5 transforming protein.
Burkhardt A, DiMaio D, Schlegel R. Genetic and biochemical definition of the bovine papillomavirus E5 transforming protein. The EMBO Journal 1987, 6: 2381-2385. PMID: 2822390, PMCID: PMC553643, DOI: 10.1002/j.1460-2075.1987.tb02515.x.Peer-Reviewed Original ResearchConceptsFirst methionine codonMethionine codonE5 proteinCellular membranesAmino-terminal mutationsFrameshift mutationBovine papillomavirus E5Mutant viral genomesCellular transformationInitiation codonHydrophobic polypeptidesBPV genomeSmall polypeptidesCell transformationCodonViral genomeE5 ORFProteinBovine papillomavirusGenetic alterationsMutationsPolypeptideForm dimersGenomeFrame mutations