title: Tn1 insertion in Col Ib plasmid.
abstract: Eight clones ColIb::Tn1 were isolated by means of transformation of E. coli 921 with DNA ColIb, RP4. Linkage between markers controlling ampicillin-resistance and synthesis of colicine was found in conjugation and transduction experiments.
mesh_terms: D000667:Ampicillin / Q000494:pharmacology; D003086:Bacteriocin Plasmids; D003001:Cloning, Molecular; D003087:Colicins / Q000096:biosynthesis; D003227:Conjugation, Genetic; D004269:DNA, Bacterial / Q000235:genetics; D004926:Escherichia coli / Q000235:genetics*; D011815:R Factors / Q000187:drug effects*; D014161:Transduction, Genetic
chemical_list: D003087:Colicins; D004269:DNA, Bacterial; D000667:Ampicillin