2017
New insights into the evolutionary origins of the recombination‐activating gene proteins and V(D)J recombination
Carmona LM, Schatz DG. New insights into the evolutionary origins of the recombination‐activating gene proteins and V(D)J recombination. The FEBS Journal 2017, 284: 1590-1605. PMID: 27973733, PMCID: PMC5459667, DOI: 10.1111/febs.13990.Peer-Reviewed Original ResearchConceptsTransposable elementsEvolutionary originRAG proteinsAbsence of RAG2Independent evolutionary originsBasal chordate amphioxusRecombination-activating gene (RAG) proteinsFamily of transposasesAntigen receptor genesRAG transposonChordate amphioxusJawed vertebratesSequence similarityEvolutionary relativesProteins RAG1RAG genesGene proteinRAG1Gene segmentsDiverse arrayMechanistic linkProteinRAG2Adaptive immune systemDNA cleavage reaction
2015
Mapping and Quantitation of the Interaction between the Recombination Activating Gene Proteins RAG1 and RAG2* ♦
Zhang YH, Shetty K, Surleac MD, Petrescu AJ, Schatz DG. Mapping and Quantitation of the Interaction between the Recombination Activating Gene Proteins RAG1 and RAG2* ♦. Journal Of Biological Chemistry 2015, 290: 11802-11817. PMID: 25745109, PMCID: PMC4424321, DOI: 10.1074/jbc.m115.638627.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceAnimalsCatalytic DomainDNA-Binding ProteinsGene Expression RegulationGenome, HumanHEK293 CellsHomeodomain ProteinsHumansInterferometryMaleMiceMice, Inbred C57BLMolecular Sequence DataMutationNuclear ProteinsProtein BindingProtein Interaction MappingProtein Structure, SecondaryThymus GlandV(D)J RecombinationVDJ RecombinasesConceptsRegion of RAG1Α-helixZinc finger regionResidues N-terminalActive siteAcidic amino acidsPulldown assaysAccessory factorsHermes transposaseProteins RAG1Finger regionRAG activityQuantitative Western blottingC-terminusRAG endonucleaseN-terminalCatalytic functionRAG1Amino acidsDNA cleavageRAG2Nuclear concentrationRecombination activityCatalytic centerBiolayer interferometrySpatio-temporal regulation of RAG2 following genotoxic stress
Rodgers W, Byrum JN, Sapkota H, Rahman NS, Cail RC, Zhao S, Schatz DG, Rodgers KK. Spatio-temporal regulation of RAG2 following genotoxic stress. DNA Repair 2015, 27: 19-27. PMID: 25625798, PMCID: PMC4336829, DOI: 10.1016/j.dnarep.2014.12.008.Peer-Reviewed Original ResearchMeSH KeywordsActive Transport, Cell NucleusAtaxia Telangiectasia Mutated ProteinsCell NucleusCells, CulturedCentrosomeDNADNA Breaks, Double-StrandedDNA RepairDNA-Binding ProteinsGene Knockdown TechniquesHumansMicroscopy, FluorescenceMutationNuclear ProteinsPrecursor Cells, B-LymphoidRadiation, IonizingSubcellular FractionsVDJ RecombinasesConceptsDNA double-strand breaksGenotoxic stressorsCellular responsesFormation of DSBsLymphocyte antigen receptor genesDNA DSBsSpatio-temporal regulationInhibition of ATMDNA damaging agentsSubcellular fractionation approachDouble-strand breaksAntigen receptor genesNuclear Rag2Genotoxic stressRAG complexDNA repairIncorrect repairDamaging agentsStrand breaksNovel mechanismRAG2Receptor geneCentrosomesFractionation approachSubstantial enrichment
2012
A Dual Interaction between the DNA Damage Response Protein MDC1 and the RAG1 Subunit of the V(D)J Recombinase*
Coster G, Gold A, Chen D, Schatz DG, Goldberg M. A Dual Interaction between the DNA Damage Response Protein MDC1 and the RAG1 Subunit of the V(D)J Recombinase*. Journal Of Biological Chemistry 2012, 287: 36488-36498. PMID: 22942284, PMCID: PMC3476314, DOI: 10.1074/jbc.m112.402487.Peer-Reviewed Original ResearchMeSH KeywordsAdaptor Proteins, Signal TransducingAmino Acid MotifsBRCA1 ProteinCell Cycle ProteinsCell Line, TumorHistonesHomeodomain ProteinsHumansModels, BiologicalNuclear ProteinsPeptide MappingPhosphorylationProtein Structure, TertiaryRepetitive Sequences, Amino AcidTrans-ActivatorsVDJ RecombinasesConceptsDNA double-strand breaksDNA damage responseTandem BRCA1 C-terminal (BRCT) domainsC-terminusSpecific DNA double-strand breaksBRCA1 C-terminal domainC-terminal domainThreonine-rich repeatsDouble-strand breaksRAG1 subunitRAG recombinaseRAG2 proteinsDDR proteinsDamage responseRegulatory signalsBinding interfaceBreak siteHistone H2AXRAG activityRich repeatsNon-core regionsMDC1RAG1PhosphorylationSubsequent signal amplification
2011
Recombination centres and the orchestration of V(D)J recombination
Schatz DG, Ji Y. Recombination centres and the orchestration of V(D)J recombination. Nature Reviews Immunology 2011, 11: 251-263. PMID: 21394103, DOI: 10.1038/nri2941.Peer-Reviewed Original ResearchConceptsAntigen receptor genesRecombination signal sequencesSignal sequenceHigher-order chromatin architectureHistone H3 lysine 4Receptor geneAntigen receptor gene segmentsInactive nuclear compartmentsPlant homeodomain (PHD) fingerH3 lysine 4Antigen receptor lociReceptor gene segmentsEctopic recruitmentChromatin architectureChromatin structureLysine 4Active chromatinGenome instabilityHistone modificationsRAG2 proteinsThousands of sitesNuclear compartmentRecombination eventsTranscriptional activityGenomic DNA
2010
Promoters, enhancers, and transcription target RAG1 binding during V(D)J recombination
Ji Y, Little AJ, Banerjee JK, Hao B, Oltz EM, Krangel MS, Schatz DG. Promoters, enhancers, and transcription target RAG1 binding during V(D)J recombination. Journal Of Experimental Medicine 2010, 207: 2809-2816. PMID: 21115692, PMCID: PMC3005232, DOI: 10.1084/jem.20101136.Peer-Reviewed Original ResearchMeSH KeywordsAcetylationAnimalsBinding, CompetitiveChromatin ImmunoprecipitationDNAEnhancer Elements, GeneticFemaleGene RearrangementGenes, ImmunoglobulinGenotypeHistonesHMGB1 ProteinHomeodomain ProteinsMaleMiceMice, Inbred C57BLMice, KnockoutPromoter Regions, GeneticProtein BindingReceptors, Antigen, T-Cell, alpha-betaRecombination, GeneticTranscription, GeneticVDJ Recombinases
2009
RAG-1 and ATM coordinate monoallelic recombination and nuclear positioning of immunoglobulin loci
Hewitt SL, Yin B, Ji Y, Chaumeil J, Marszalek K, Tenthorey J, Salvagiotto G, Steinel N, Ramsey LB, Ghysdael J, Farrar MA, Sleckman BP, Schatz DG, Busslinger M, Bassing CH, Skok JA. RAG-1 and ATM coordinate monoallelic recombination and nuclear positioning of immunoglobulin loci. Nature Immunology 2009, 10: 655-664. PMID: 19448632, PMCID: PMC2693356, DOI: 10.1038/ni.1735.Peer-Reviewed Original ResearchAllelesAnimalsAtaxia Telangiectasia Mutated ProteinsB-LymphocytesCell Cycle ProteinsCells, CulturedDNA BreaksDNA-Binding ProteinsGene RearrangementHomeodomain ProteinsImmunoglobulinsMiceMice, Inbred C57BLMice, KnockoutProtein Serine-Threonine KinasesRecombination, GeneticTumor Suppressor ProteinsVDJ Recombinases
2005
Biochemistry of V(D)J Recombination
Schatz DG, Spanopoulou E. Biochemistry of V(D)J Recombination. Current Topics In Microbiology And Immunology 2005, 290: 49-85. PMID: 16480039, DOI: 10.1007/3-540-26363-2_4.Peer-Reviewed Original Research
2004
New concepts in the regulation of an ancient reaction: transposition by RAG1/RAG2
Chatterji M, Tsai C, Schatz DG. New concepts in the regulation of an ancient reaction: transposition by RAG1/RAG2. Immunological Reviews 2004, 200: 261-271. PMID: 15242411, DOI: 10.1111/j.0105-2896.2004.00167.x.Peer-Reviewed Original ResearchConceptsRAG proteinsRecombination-activating gene 1Transposition activityAntigen receptor lociDNA double-stand breaksRAG1/RAG2Lymphoid-specific factorsDouble-stand breaksEndonuclease activityGene 1Chromosomal translocationsVariety of mechanismsProteinSpecific sitesRAG2Ancient reactionRecombinationRecent studiesGenomeV(D)J recombination
Schatz DG. V(D)J recombination. Immunological Reviews 2004, 200: 5-11. PMID: 15242391, DOI: 10.1111/j.0105-2896.2004.00173.x.Peer-Reviewed Original ResearchUncovering the V(D)J recombinase
Schatz DG, Baltimore D. Uncovering the V(D)J recombinase. Cell 2004, 116: s103-s108. PMID: 15055595, DOI: 10.1016/s0092-8674(04)00042-x.Peer-Reviewed Original Research
2003
A Functional Analysis of the Spacer of V(D)J Recombination Signal Sequences
Lee AI, Fugmann SD, Cowell LG, Ptaszek LM, Kelsoe G, Schatz DG. A Functional Analysis of the Spacer of V(D)J Recombination Signal Sequences. PLOS Biology 2003, 1: e1. PMID: 14551903, PMCID: PMC212687, DOI: 10.1371/journal.pbio.0000001.Peer-Reviewed Original ResearchConceptsRecombination signal sequencesSignal sequenceGene segmentsProtein-DNA interactionsLevel of recombinationDegree of conservationParticular functional importanceJ gene segmentsAntigen receptor genesSpacer variantsRAG proteinsRecombination machineryRSS activityInactive pseudogeneRSS functionSpacer sequencesFunctional analysisInteraction surfaceFunctional importanceLymphocyte developmentNumerous complex interactionsBiochemical assaysDistinct cooperationReceptor geneHeptamerPax5 is required for recombination of transcribed, acetylated, 5′ IgH V gene segments
Hesslein DG, Pflugh DL, Chowdhury D, Bothwell AL, Sen R, Schatz DG. Pax5 is required for recombination of transcribed, acetylated, 5′ IgH V gene segments. Genes & Development 2003, 17: 37-42. PMID: 12514097, PMCID: PMC195966, DOI: 10.1101/gad.1031403.Peer-Reviewed Original ResearchAcetylationAllelesAnimalsB-LymphocytesChromatinDNA NucleotidyltransferasesDNA-Binding ProteinsGene Rearrangement, B-Lymphocyte, Heavy ChainGenes, ImmunoglobulinGenes, RAG-1HistonesHomeodomain ProteinsImmunoglobulin Heavy ChainsImmunoglobulin Variable RegionMiceMice, Inbred C57BLMice, KnockoutPAX5 Transcription FactorTranscription FactorsTranscription, GeneticVDJ Recombinases
2002
RAG1-DNA Binding in V(D)J Recombination SPECIFICITY AND DNA-INDUCED CONFORMATIONAL CHANGES REVEALED BY FLUORESCENCE AND CD SPECTROSCOPY*
Ciubotaru M, Ptaszek LM, Baker GA, Baker SN, Bright FV, Schatz DG. RAG1-DNA Binding in V(D)J Recombination SPECIFICITY AND DNA-INDUCED CONFORMATIONAL CHANGES REVEALED BY FLUORESCENCE AND CD SPECTROSCOPY*. Journal Of Biological Chemistry 2002, 278: 5584-5596. PMID: 12488446, DOI: 10.1074/jbc.m209758200.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBase SequenceBinding SitesCircular DichroismCloning, MolecularDNADNA NucleotidyltransferasesDNA-Binding ProteinsEscherichia coliGenes, RAG-1Homeodomain ProteinsKineticsMiceOligodeoxyribonucleotidesProtein ConformationRecombinant ProteinsRecombination, GeneticSubstrate SpecificityTransfectionTransposasesVDJ RecombinasesConceptsRecombination signal sequencesConformational changesSynaptic complex formationAbsence of DNAAssembly of immunoglobulinMajor conformational changesIntrinsic protein fluorophoresProtein intrinsic fluorescenceSolvent-exposed environmentRAG2 proteinsRAG1/2 complexSingle DNA moleculesRAG1 proteinSignal sequenceAcrylamide quenching studiesT-cell receptor genesStrep-tagRecombination specificityDNA moleculesProtein fluorophoresRAG1Receptor geneProteinIntrinsic fluorescenceCircular dichroismEvidence of a critical architectural function for the RAG proteins in end processing, protection, and joining in V(D)J recombination
Tsai CL, Drejer AH, Schatz DG. Evidence of a critical architectural function for the RAG proteins in end processing, protection, and joining in V(D)J recombination. Genes & Development 2002, 16: 1934-1949. PMID: 12154124, PMCID: PMC186421, DOI: 10.1101/gad.984502.Peer-Reviewed Original ResearchAlanineAmino Acid SubstitutionAnimalsCell LineCysteineDNADNA NucleotidyltransferasesDNA-Binding ProteinsGene Rearrangement, B-LymphocyteGenes, RAG-1Glutamic AcidHomeodomain ProteinsHumansMacromolecular SubstancesMiceMutagenesis, Site-DirectedNuclear ProteinsNucleic Acid ConformationPhenotypeProtein Interaction MappingRecombinant Fusion ProteinsRecombination, GeneticRegulatory Sequences, Nucleic AcidSerineSubstrate SpecificityVDJ Recombinases
2000
The RAG Proteins and V(D)J Recombination: Complexes, Ends, and Transposition
Fugmann S, Lee A, Shockett P, Villey I, Schatz D. The RAG Proteins and V(D)J Recombination: Complexes, Ends, and Transposition. Annual Review Of Immunology 2000, 18: 495-527. PMID: 10837067, DOI: 10.1146/annurev.immunol.18.1.495.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsIdentification of Two Catalytic Residues in RAG1 that Define a Single Active Site within the RAG1/RAG2 Protein Complex
Fugmann S, Villey I, Ptaszek L, Schatz D. Identification of Two Catalytic Residues in RAG1 that Define a Single Active Site within the RAG1/RAG2 Protein Complex. Molecular Cell 2000, 5: 97-107. PMID: 10678172, DOI: 10.1016/s1097-2765(00)80406-2.Peer-Reviewed Original ResearchConceptsActive siteDivalent metal ionsSingle active siteMetal ionsTransfer reactionsActive site regionProtein complexesBond breakageCatalysisCatalytic functionRegion of RAG1Strand transfer reactionSecondary structure prediction algorithmsAspartic acid residuesCatalytic residuesRAG2 proteinsComplexesStructure prediction algorithmsPossible structural similaritySite regionAcid residuesRetroviral integrasesRAG1Structural similarityIons
1997
RAG1 and RAG2 Form a Stable Postcleavage Synaptic Complex with DNA Containing Signal Ends in V(D)J Recombination
Agrawal A, Schatz D. RAG1 and RAG2 Form a Stable Postcleavage Synaptic Complex with DNA Containing Signal Ends in V(D)J Recombination. Cell 1997, 89: 43-53. PMID: 9094713, DOI: 10.1016/s0092-8674(00)80181-6.Peer-Reviewed Original ResearchConceptsSignal endsRecombination signalsDNA-dependent protein kinaseProtein-DNA complexesSynaptic complexHMG-2 proteinStable complexesDNA adjacentProtein kinaseProteins RAG1Immunoprecipitation experimentsMobility shiftNuclease sensitivityHMG-1Cleavage systemRAG1RAG2RecombinationComplexesVivo observationsKinaseProteinImportant stepCleavage
1996
Neoteny in Lymphocytes: Rag1 and Rag2 Expression in Germinal Center B Cells
Han S, Zheng B, Schatz D, Spanopoulou E, Kelsoe G. Neoteny in Lymphocytes: Rag1 and Rag2 Expression in Germinal Center B Cells. Science 1996, 274: 2094-2097. PMID: 8953043, DOI: 10.1126/science.274.5295.2094.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsB-LymphocytesDNA NucleotidyltransferasesDNA-Binding ProteinsFemaleGene ExpressionGene RearrangementGenes, ImmunoglobulinGenes, RAG-1Germinal CenterHomeodomain ProteinsImmunizationImmunoglobulin Class SwitchingLymphocyte ActivationMiceMice, Inbred C57BLPolymerase Chain ReactionProtein BiosynthesisProteinsVDJ RecombinasesConceptsGerminal center B cellsAntigen receptor genesT cell antigen receptor genesRAG2 proteinsB cellsRAG2 geneRAG genesRAG2 expressionFunctional immunoglobulinPeyer's patch germinal centersMessenger RNAGenesRAG1Receptor geneActivated B cellsNormal adult animalsLymphocyte populationsImmature lymphocytesGerminal centersBone marrowMurine splenicAntibody repertoireCellsAdult animalsExpression
1995
A modified tetracycline-regulated system provides autoregulatory, inducible gene expression in cultured cells and transgenic mice.
Shockett P, Difilippantonio M, Hellman N, Schatz DG. A modified tetracycline-regulated system provides autoregulatory, inducible gene expression in cultured cells and transgenic mice. Proceedings Of The National Academy Of Sciences Of The United States Of America 1995, 92: 6522-6526. PMID: 7604026, PMCID: PMC41550, DOI: 10.1073/pnas.92.14.6522.Peer-Reviewed Original ResearchMeSH Keywords3T3 CellsAnimalsBlotting, WesternCells, CulturedDNA NucleotidyltransferasesGene Expression RegulationHerpes Simplex Virus Protein Vmw65MiceMice, TransgenicOpen Reading FramesPlasmidsRecombinant Fusion ProteinsRepressor ProteinsRestriction MappingRNA, MessengerSequence DeletionTetracyclineTrans-ActivatorsTransfectionVDJ RecombinasesConceptsInducible gene expressionGene expressionTetracycline-regulated gene expressionTranscriptional activation domainCultured cellsTetracycline-regulated systemTransgenic miceExpression of tTAAutoregulatory systemActivation domainTTA geneInducible promoterTetracycline repressorInducible expressionFusion proteinTransactivator proteinConstitutive expressionTransgenic animalsGene 1Induced levelsRecombination activityMost tissuesConstitutive systemProteinCell lines