title: Mutagens which cause deletions in Escherichia coli.
mesh_terms: D002869:Chromosome Aberrations / Q000187:drug effects / Q000528:radiation effects; D002874:Chromosome Mapping; D002876:Chromosomes, Bacterial; D004926:Escherichia coli; D009153:Mutagens / Q000494:pharmacology*; D009573:Nitrites / Q000494:pharmacology*; D011687:Purines / Q000494:pharmacology; D011831:Radiation Genetics; D014466:Ultraviolet Rays
chemical_list: D009153:Mutagens; D009573:Nitrites; D011687:Purines