title: DNA breakage caused by 334-nm ultraviolet light is enhanced by naturally occurring nucleic acid components and nucleotide coenzymes.
mesh_terms: D001412:Bacillus subtilis; D004269:DNA, Bacterial / Q000528:radiation effects*; D009243:NAD; D012256:Riboflavin; D014466:Ultraviolet Rays; D014498:Uracil / Q000031:analogs & derivatives*
chemical_list: D004269:DNA, Bacterial; D009243:NAD; D014498:Uracil; D012256:Riboflavin