Article
Rapid cell division contributes to efficient induction of A/T mutations during Ig gene hypermutation.
Molecular immunology - 1 Sept 2011
Kano Chie, Ouchida Rika, Kokubo Tetsuro, Wang Ji-Yang
Abstract excerpt
Ig gene hypermutation is initiated by the activation-induced cytidine deaminase (AID), which converts cytosine to uracil and generates a U:G lesion. One of the unsolved mysteries is how AID-triggered U:G lesions result in efficient induction of mutations at non-damaged A/T bases in the V(H) genes of germinal center (GC) B cells. Genetic and biochemical evidence suggests that components of the mismatch repair...
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