photoreactivatev.
/ˌfəʊtəʊrɪˈaktᵻveɪt/, U.S. /ˈˌfoʊdoʊˌriˈæktəˌveɪt/ Biology.
transitive. To reactivate under the influence of light; esp. to repair (damaged genetic material) by photoreactivation.
ΘΚΠ
the world > life > biology > biological processes > light-related processes > [verb (transitive)] > other processes
photosynthesize1908
photoreactivate1953
photoprotect1960
photoassimilate1961
photoconvert1962
1953 [see photoreactivated adj. at Derivatives].
1954 Biochimica et Biophysica Acta 15 471 They [sc. the systems studied] are then photoreactivated and the reactivated complexes are again exposed to UV in order to determine their UV sensitivity.
1975 Nature 13 Mar. 160/1 Even though cells of the higher plants can photoreactivate ultraviolet damage..,the absence of dark-repair capability could be a significant disadvantage.
1993 Exper. Dermatol. 2 161 UVA does not photoreactivate pyrimidine dimers in cultured human fibroblasts.
Derivatives
photoreˈactivated adj.
ΘΚΠ
the world > life > biology > biological processes > light-related processes > [adjective] > other processes
photobiological1907
photoreversible1941
photoreactivable1952
photoreactivated1953
photoreactivating1955
photoprotective1961
photoconvertible1962
photoabsorbing1966
photorepairable1966
1953 Jrnl. Bacteriol. 65 252 (heading) Growth, respiration and nucleic acid synthesis in ultraviolet-irradiated and in photoreactivated Escherichia coli.
1993 Proc. National Acad. Sci. U.S.A. 90 7262/1 This mutation frequency..was still at least 13-fold higher than that derived from transfecting photoreactivated DNA into the normal or CS cell lines.
This entry has been updated (OED Third Edition, March 2006; most recently modified version published online March 2022).
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v.1953