title: R plasmids, KR61 and KR61-A, from Aerobacter aerogenes.
mesh_terms: D000900:Anti-Bacterial Agents / Q000494:pharmacology; D003227:Conjugation, Genetic; D004352:Drug Resistance, Microbial; D004754:Enterobacter / Q000235:genetics*; D004755:Enterobacteriaceae / Q000235:genetics*; D004926:Escherichia coli / Q000235:genetics; D011815:R Factors
chemical_list: D000900:Anti-Bacterial Agents