title: Preparative method for the isolation of super-coiled DNA from a chloramphenicol-producing streptomycete.
mesh_terms: D002701:Chloramphenicol / Q000096:biosynthesis*; D004269:DNA, Bacterial / Q000302:isolation & purification*; D004278:DNA, Superhelical / Q000302:isolation & purification*; D005615:Freezing; D008854:Microscopy, Electron; D013302:Streptomyces / Q000032:analysis* / Q000378:metabolism / Q000648:ultrastructure
chemical_list: D004269:DNA, Bacterial; D004278:DNA, Superhelical; D002701:Chloramphenicol