title: Isolation of mutants with altered DNA base composition in Bacillus subtilis 168.
mesh_terms: D000900:Anti-Bacterial Agents / Q000494:pharmacology*; D001412:Bacillus subtilis / Q000302:isolation & purification*; D001431:Bacteriological Techniques; D003596:Cytosine / Q000032:analysis; D004269:DNA, Bacterial / Q000032:analysis*; D004352:Drug Resistance, Microbial; D005472:Fluorouracil / Q000494:pharmacology; D006147:Guanine / Q000032:analysis; D009154:Mutation; D013752:Tetracycline / Q000494:pharmacology
chemical_list: D000900:Anti-Bacterial Agents; D004269:DNA, Bacterial; D006147:Guanine; D003596:Cytosine; D013752:Tetracycline; D005472:Fluorouracil