title: Isolation of small plasmid from a deletion mutant of R100 in Escherichia coli K 12 strains.
mesh_terms: D004352:Drug Resistance, Microbial; D004926:Escherichia coli / Q000032:analysis* / Q000187:drug effects / Q000235:genetics; D011815:R Factors; D012293:Rifampin / Q000494:pharmacology
chemical_list: D012293:Rifampin