title: Photorepair of biological systems.
mesh_terms: D001667:Binding, Competitive / Q000528:radiation effects; D004260:DNA Repair / Q000528:radiation effects*; D004269:DNA, Bacterial / Q000528:radiation effects; D004255:Deoxyribodipyrimidine Photo-Lyase / Q000528:radiation effects; D004926:Escherichia coli / Q000528:radiation effects; D006193:Haemophilus influenzae / Q000528:radiation effects; D010777:Photochemistry; D011108:Polymers; D011830:Radiation Effects; D013056:Spectrophotometry, Ultraviolet; D013941:Thymine / Q000528:radiation effects; D014170:Transformation, Genetic / Q000528:radiation effects; D014466:Ultraviolet Rays; D015003:Yeasts / Q000201:enzymology
chemical_list: D004269:DNA, Bacterial; D011108:Polymers; D004255:Deoxyribodipyrimidine Photo-Lyase; D013941:Thymine