title: Isolation and molecular weight of circular chloroplast DNA from Euglena gracilis.
mesh_terms: D002499:Centrifugation, Density Gradient; D002736:Chloroplasts / Q000032:analysis*; D003090:Coliphages; D004247:DNA / Q000302:isolation & purification*; D004269:DNA, Bacterial; D004279:DNA, Viral; D003720:Densitometry; D004926:Escherichia coli; D005056:Euglena gracilis / Q000032:analysis* / Q000166:cytology; D008837:Micrococcus; D008854:Microscopy, Electron; D008970:Molecular Weight; D009690:Nucleic Acid Conformation; D010759:Phosphorus Isotopes; D014316:Tritium
chemical_list: D004269:DNA, Bacterial; D004279:DNA, Viral; D010759:Phosphorus Isotopes; D014316:Tritium; D004247:DNA