Medical Definition of Base excision repair
Base excision repair: A process of DNA repair in which an altered base is excised (removed) by a DNA glycosylase enzyme, followed by excision of the resulting sugar phosphate. The small gap left in the DNA helix is then filled in by the sequential action of DNA polymerase and DNA ligase. Abbreviated BER.Source: MedTerms™ Medical Dictionary
Last Editorial Review: 6/9/2016
Medical Dictionary Definitions A - Z
Search Medical Dictionary
- What Is Inherited Lipodystrophy?
- Do You Take Good Care of Your Eyes?
- Tips for a Clean Home & Healthy Cat