Insights into RAG Evolution from the Identification of “Missing Link” Family A RAGL Transposons
Martin E, Le Targa L, Tsakou-Ngouafo L, Fan T, Lin C, Xiao J, Huang Z, Yuan S, Xu A, Su Y, Petrescu A, Pontarotti P, Schatz D. Insights into RAG Evolution from the Identification of “Missing Link” Family A RAGL Transposons. Molecular Biology And Evolution 2023, 40: msad232. PMID: 37850912, PMCID: PMC10629977, DOI: 10.1093/molbev/msad232.Peer-Reviewed Original ResearchConceptsJawed vertebratesTransposon familyRAG1-RAG2 recombinaseRecombination signal sequencesHemichordate Ptychodera flavaMolecular domesticationSignal sequenceP. flavaDNA bindingPtychodera flavaSequence featuresTransposition activityVertebratesTransposonCritical enzymeHinge regionGenomeDomesticationFlavaProteinPivotal stepAdaptive immunityCritical intermediateRAGRAGL