title: Repair of DNA double-strand breaks in Escherichia coli, which requires recA function and the presence of a duplicate genome.
mesh_terms: D001224:Aspartic Acid; D002499:Centrifugation, Density Gradient; D003470:Culture Media; D004260:DNA Repair; D004269:DNA, Bacterial / Q000235:genetics / Q000528:radiation effects; D004926:Escherichia coli / Q000235:genetics*; D005720:Gamma Rays; D005838:Genotype; D011995:Recombination, Genetic
chemical_list: D003470:Culture Media; D004269:DNA, Bacterial; D001224:Aspartic Acid