The prototype conjugative plasmid associated with conjugation in the K-12 strain of Escherichia coli. ... Synonym: F agent, F-factor, F genote, F-genote, fertility agent, fertility factor, sex factor. ... (05 Mar 2000) ... 
Type: Term Definitions: 1. the prototype conjugative plasmid associated with conjugation in the K-12 strain of Escherichia coli. Synonyms: fertility factor, sex factor
bacterial plasmid in E. coli containing genes encoding the ability to conjugate, including genes encoding the formation of the conjugation pilus