title: Possible plasmid nature of the determinant for production of the antibiotic nisin in some strains of Streptococcus lactis.
mesh_terms: D002499:Centrifugation, Density Gradient; D004269:DNA, Bacterial / Q000032:analysis; D004996:Ethidium / Q000494:pharmacology; D005111:Extrachromosomal Inheritance / Q000187:drug effects; D013294:Lactococcus lactis / Q000032:analysis / Q000378:metabolism*; D008242:Lysogeny; D009561:Nisin / Q000096:biosynthesis*; D011370:Proflavine / Q000494:pharmacology; D013696:Temperature
chemical_list: D004269:DNA, Bacterial; D009561:Nisin; D011370:Proflavine; D004996:Ethidium