title: Characterization of genes specifying ampicillin resistance in bacterial isolates using a single-strand specific nuclease for analysis of plasmid DNA-DNA duplexes.
mesh_terms: D000667:Ampicillin / Q000494:pharmacology*; D001419:Bacteria / Q000187:drug effects / Q000235:genetics*; D004269:DNA, Bacterial; D004720:Endonucleases; D005796:Genes; D006193:Haemophilus influenzae / Q000235:genetics; D009693:Nucleic Acid Hybridization; D010403:Penicillin Resistance; D010957:Plasmids
chemical_list: D004269:DNA, Bacterial; D000667:Ampicillin; D004720:Endonucleases