title: Properties of mini-plasmids of the antibiotic resistance factor R1 carrying deleted and enlarged ampicillin transposons (Tn3).
mesh_terms: D000667:Ampicillin; D001483:Base Sequence; D002872:Chromosome Deletion; D004261:DNA Replication; D004251:DNA Transposable Elements; D004269:DNA, Bacterial / Q000235:genetics*; D012321:DNA-Directed RNA Polymerases / Q000378:metabolism; D004926:Escherichia coli / Q000235:genetics*; D011815:R Factors; D014158:Transcription, Genetic
chemical_list: D004251:DNA Transposable Elements; D004269:DNA, Bacterial; D000667:Ampicillin; D012321:DNA-Directed RNA Polymerases