title: Coordination of sex pili with their specifying R factors.
mesh_terms: D003090:Coliphages; D003227:Conjugation, Genetic; D004352:Drug Resistance, Microbial; D004926:Escherichia coli; D005111:Extrachromosomal Inheritance; D005827:Genetics, Microbial; D009154:Mutation; D009268:Nalidixic Acid / Q000494:pharmacology
chemical_list: D009268:Nalidixic Acid