Identification of RAG-like transposons in protostomes suggests their ancient bilaterian origin
{{output}}
Background: V(D) J recombination is essential for adaptive immunity in jawed vertebrates and is initiated by the RAG1-RAG2 endonuclease. The RAG1 and RAG2 genes are thought to have evolved from a RAGL (RAG-like) transposon contai... ...
