title: Facilitation of the transfer of R factor by the resident R factor.
abstract: Transfer of some R factors were shown to be facilitated by resident R factors. The sex factor itself may be responsible for this phenomenon.
mesh_terms: D002701:Chloramphenicol / Q000494:pharmacology; D004352:Drug Resistance, Microbial; D004926:Escherichia coli / Q000187:drug effects; D005827:Genetics, Microbial; D011511:Proteus; D012760:Shigella; D013307:Streptomycin / Q000494:pharmacology
chemical_list: D002701:Chloramphenicol; D013307:Streptomycin