Glossary

Biochemistry, molecular genetics, and biology glossary terms for Companion Sites.

base excision repair

Base excision repair (BER) is one form of DNA excision repair in which damaged bases or incorrect bases are excised and replaced through the action of specific enzymes. Other modes of DNA repair are mismatch repair and nucleotide excision repair.

The biochemical processes involved in BER are equivalent across species, so bacterial DNA repair functions can operate in eukaryotic cells, and vice versa.

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