title: Regional specificity of illegitimate recombination associated with the translocatable ampicillin-resistance element Tn1.
mesh_terms: D000667:Ampicillin; D001483:Base Sequence; D002872:Chromosome Deletion; D002874:Chromosome Mapping / Q000379:methods; D004251:DNA Transposable Elements; D005814:Genes, Viral; D010403:Penicillin Resistance; D011995:Recombination, Genetic; D012483:Salmonella Phages / Q000235:genetics*
chemical_list: D004251:DNA Transposable Elements; D000667:Ampicillin