2019
Intra-Vκ Cluster Recombination Shapes the Ig Kappa Locus Repertoire
Shinoda K, Maman Y, Canela A, Schatz DG, Livak F, Nussenzweig A. Intra-Vκ Cluster Recombination Shapes the Ig Kappa Locus Repertoire. Cell Reports 2019, 29: 4471-4481.e6. PMID: 31875554, PMCID: PMC8214342, DOI: 10.1016/j.celrep.2019.11.088.Peer-Reviewed Original ResearchConceptsDNA double-strand breaksRecombination signal sequencesVκ gene segmentsGene segmentsDouble-strand breaksVariable gene segmentsRAG proteinsSignal sequenceV-J rearrangementRecombination eventsSpacer regionVκ-JκRecombinationLevels of breakageComplete absenceProteinLarge fractionDeletionJκSequence
2015
Chapter One Regulation and Evolution of the RAG Recombinase
Teng G, Schatz DG. Chapter One Regulation and Evolution of the RAG Recombinase. Advances In Immunology 2015, 128: 1-39. PMID: 26477364, DOI: 10.1016/bs.ai.2015.07.002.Peer-Reviewed Original ResearchConceptsRAG activityOverall genome integrityDNA breakageSpecific DNA motifsAntigen receptor lociDNA repair pathwaysChapter One RegulationAntigen receptor genesEarly lymphocyte developmentCell cycle statusGenome integrityChromatin structureRAG recombinaseRAG2 proteinsDNA motifsSpatial regulationWidespread bindingRepair pathwaysDNA cleavage activityRecombination eventsShuffling reactionEnzymatic potentialRAG endonucleaseReceptor locusLymphocyte development
2013
Peripheral subnuclear positioning suppresses Tcrb recombination and segregates Tcrb alleles from RAG2
Chan EA, Teng G, Corbett E, Choudhury KR, Bassing CH, Schatz DG, Krangel MS. Peripheral subnuclear positioning suppresses Tcrb recombination and segregates Tcrb alleles from RAG2. Proceedings Of The National Academy Of Sciences Of The United States Of America 2013, 110: e4628-e4637. PMID: 24218622, PMCID: PMC3845165, DOI: 10.1073/pnas.1310846110.Peer-Reviewed Original ResearchConceptsTcrb allelesNuclear peripheryNuclear laminaDNA repair protein 53BP1RNA polymerase IIGene 2 proteinHistone H3K4 trimethylationPericentromeric heterochromatinPolymerase IIH3K4 trimethylationRAG proteinsProtein 53BP1Subnuclear distributionRecombination eventsAllelic exclusionDouble-negative thymocytesT-cell receptor βHigher-Order Looping and Nuclear Organization of Tcra Facilitate Targeted RAG Cleavage and Regulated Rearrangement in Recombination Centers
Chaumeil J, Micsinai M, Ntziachristos P, Deriano L, Wang J, Ji Y, Nora EP, Rodesch MJ, Jeddeloh JA, Aifantis I, Kluger Y, Schatz DG, Skok JA. Higher-Order Looping and Nuclear Organization of Tcra Facilitate Targeted RAG Cleavage and Regulated Rearrangement in Recombination Centers. Cell Reports 2013, 3: 359-370. PMID: 23416051, PMCID: PMC3664546, DOI: 10.1016/j.celrep.2013.01.024.Peer-Reviewed Original ResearchMeSH KeywordsAllelesAnimalsAtaxia Telangiectasia Mutated ProteinsCell Cycle ProteinsCell NucleusDNA DamageDNA-Binding ProteinsGenetic LociGenomic InstabilityHistonesHomeodomain ProteinsMiceMice, Inbred C57BLMice, Inbred CBAMice, KnockoutProtein Serine-Threonine KinasesReceptors, Antigen, T-Cell, alpha-betaTumor Suppressor ProteinsV(D)J RecombinationConceptsAntigen receptor lociRegulated rearrangementsGenome stabilityNuclear organizationRAG cleavageRAG recombinaseNuclear accessibilityRAG bindingCellular transformationΑ locusRecombination eventsReceptor locusDiverse arrayCell receptorLociLoop formationTight controlRegulationCleavageFocal bindingGenetic anomaliesBindingKey determinantRearrangementTranscription
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