DNA repair mechanisms in somatic hypermutation

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4 Terms

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What happens to cytosine in somatic hypermutation?

It is converted to uracil by activation-induced cytidine deaminase (AID).

2
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What are the three possible DNA repair mechanisms in somatic hypermutation?

  • DNA replication

  • Base excision repair

  • Mismatch repair

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How do DNA repair mechanisms contribute to somatic hypermutation?

They can introduce mutations at the changed base pair, increasing immunoglobulin diversity.

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