2006
Origins of peripheral B cells in IL-7 receptor-deficient mice
Hesslein DG, Yang SY, Schatz DG. Origins of peripheral B cells in IL-7 receptor-deficient mice. Molecular Immunology 2006, 43: 326-334. PMID: 16310046, DOI: 10.1016/j.molimm.2005.02.010.Peer-Reviewed Original ResearchConceptsIL-7Ralpha-deficient miceB cell populationsB cellsBone marrowSplenic B cellsIL-7RalphaCell percentageIL-7 receptor-deficient miceCell populationsReceptor-deficient micePeripheral B cellsSplenic B cell populationSpleens of adultBone marrow-derived B cellsReceptor alpha geneEarly lymphoid differentiationAdult bone marrowSplenic populationsPeripheral BNeonatal developmentB cell developmentFollicular cellsMarrowMiceFetal liver
2004
Synapsis of Recombination Signal Sequences Located in cis and DNA Underwinding in V(D)J Recombination
Ciubotaru M, Schatz DG. Synapsis of Recombination Signal Sequences Located in cis and DNA Underwinding in V(D)J Recombination. Molecular And Cellular Biology 2004, 24: 8727-8744. PMID: 15367690, PMCID: PMC516766, DOI: 10.1128/mcb.24.19.8727-8744.2004.Peer-Reviewed Original ResearchConceptsRecombination signal sequencesDNA substratesSignal sequenceDNA distortionHigh mobility group proteinsProtein conformational changesSame DNA moleculeDouble-strand DNA cleavageRAG proteinsRAG2 proteinsDNA underwindingGroup proteinsSite of cleavagePreferred substrateConformational changesDNA moleculesDNA cleavageProteinRelaxed substrateUnderwindingRecombinationCleavageSequenceSuch substratesHMG1Non‐redundancy of cytidine deaminases in class switch recombination
Fugmann SD, Rush JS, Schatz DG. Non‐redundancy of cytidine deaminases in class switch recombination. European Journal Of Immunology 2004, 34: 844-849. PMID: 14991614, DOI: 10.1002/eji.200324418.Peer-Reviewed Original ResearchConceptsActivation-induced cytidine deaminaseClass switch recombinationAPOBEC-1Human activation-induced cytidine deaminaseSwitch recombinationCognate substratesCatalytic mutantGene conversionClose homologueProkaryotic cellsInactive mutantMurine B cellsDistinct mRNAsCytidine deaminase activityCytidine deaminasesImmunoglobulin genesDiversification mechanismsCytidine deaminaseSomatic hypermutationUnknown mechanismDeaminase activityMutantsPrecise roleActivated B cellsB cells
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 dichroism