title: Yield of x-ray-induced DNA single-strand breaks in niacin-starved E. coli K-12.
mesh_terms: D002470:Cell Survival / Q000528:radiation effects; D002499:Centrifugation, Density Gradient; D003486:Cyanides / Q000494:pharmacology; D004260:DNA Repair / Q000187:drug effects; D004269:DNA, Bacterial / Q000528:radiation effects*; D004277:DNA, Single-Stranded / Q000528:radiation effects; D004307:Dose-Response Relationship, Radiation; D004926:Escherichia coli / Q000187:drug effects / Q000201:enzymology / Q000528:radiation effects*; D009243:NAD / Q000494:pharmacology; D009539:Nicotinic Acids / Q000494:pharmacology*; D010100:Oxygen; D011830:Radiation Effects; D011838:Radiation-Sensitizing Agents; D013936:Thymidine / Q000378:metabolism; D013997:Time Factors; D014316:Tritium
chemical_list: D003486:Cyanides; D004269:DNA, Bacterial; D004277:DNA, Single-Stranded; D009539:Nicotinic Acids; D011838:Radiation-Sensitizing Agents; D009243:NAD; D014316:Tritium; D010100:Oxygen; D013936:Thymidine