title: The P22 bacteriophage DNA molecule. II. Circular intracellular forms.
mesh_terms: D000468:Alkalies; D002499:Centrifugation, Density Gradient; D002501:Centrifugation, Zonal; D004279:DNA, Viral / Q000032:analysis* / Q000096:biosynthesis / Q000302:isolation & purification; D003851:Deoxyribonucleases; D005557:Formaldehyde; D006863:Hydrogen-Ion Concentration; D007700:Kinetics; D008242:Lysogeny; D008854:Microscopy, Electron; D008961:Models, Structural; D009691:Nucleic Acid Denaturation; D009695:Nucleic Acid Renaturation; D010456:Peptides, Cyclic / Q000032:analysis; D012483:Salmonella Phages / Q000302:isolation & purification; D012486:Salmonella typhimurium; D013696:Temperature; D013936:Thymidine; D013997:Time Factors; D014316:Tritium
chemical_list: D000468:Alkalies; D004279:DNA, Viral; D010456:Peptides, Cyclic; D014316:Tritium; D005557:Formaldehyde; D003851:Deoxyribonucleases; D013936:Thymidine