title: Acquisition by Escherichia coli of plasmid-borne beta-lactamases normally confined to Pseudomonas spp.
mesh_terms: D003227:Conjugation, Genetic; D004926:Escherichia coli / Q000235:genetics*; D005796:Genes; D010406:Penicillins / Q000494:pharmacology; D011549:Pseudomonas / Q000235:genetics; D011815:R Factors; D014169:Transformation, Bacterial; D001618:beta-Lactamases / Q000235:genetics*
chemical_list: D010406:Penicillins; D001618:beta-Lactamases