Expansions, diversification, and interindividual copy number variations of AID/APOBEC family cytidine deaminase genes in lampreys [Immunology and Inflammation]

Cytidine deaminases of the AID/APOBEC family catalyze C-to-U nucleotide transitions in mRNA or DNA. Members of the APOBEC3 branch are involved in antiviral defense, whereas AID contributes to diversification of antibody repertoires in jawed vertebrates via somatic hypermutation, gene conversion, and class switch recombination. In the extant jawless vertebrate, the...

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