Definitions for "Photoreactivation"
The light-activated repair of DNA damage by DNA photolyase.
A DNA repair process in which cyclobutyl dimers and (6-4) photoproducts are corrected by a light-activated enzyme.
The process whereby dimerized pyrimidines (usually thymines) in DNA are restored by an enzyme (deoxyribodipyrimidine photolyase) that requires light energy.