title: Sensitization of Escherichia coli K-12 to gamma-rays by niacin deprivation.
mesh_terms: D004269:DNA, Bacterial / Q000096:biosynthesis*; D004926:Escherichia coli / Q000528:radiation effects*; D009243:NAD / Q000378:metabolism; D009539:Nicotinic Acids; D011830:Radiation Effects; D014466:Ultraviolet Rays
chemical_list: D004269:DNA, Bacterial; D009539:Nicotinic Acids; D009243:NAD