title: Plasmid chromosome isolation: an improved batch procedure for large plasmids.
mesh_terms: D002458:Cell Fractionation / Q000379:methods*; D002499:Centrifugation, Density Gradient; D002876:Chromosomes, Bacterial; D004269:DNA, Bacterial / Q000302:isolation & purification*; D004926:Escherichia coli / Q000235:genetics*; D008970:Molecular Weight; D010957:Plasmids
chemical_list: D004269:DNA, Bacterial