title: Does Escherichia coli possess a DNA excision repair system for gamma-ray damage?
mesh_terms: D001665:Binding Sites; D002499:Centrifugation, Density Gradient; D004260:DNA Repair; D004269:DNA, Bacterial / Q000032:analysis / Q000096:biosynthesis* / Q000378:metabolism / Q000528:radiation effects; D004720:Endonucleases / Q000378:metabolism; D004926:Escherichia coli / Q000378:metabolism*; D007700:Kinetics; D011830:Radiation Effects; D014466:Ultraviolet Rays
chemical_list: D004269:DNA, Bacterial; D004720:Endonucleases