title: Storage of Escherichia coli strains containing plasmid DNA in liquid nitrogen.
mesh_terms: D000900:Anti-Bacterial Agents / Q000494:pharmacology; D003086:Bacteriocin Plasmids; D010582:Bacteriophage lambda / Q000502:physiology; D004269:DNA, Bacterial; D004926:Escherichia coli / Q000187:drug effects / Q000235:genetics / Q000502:physiology*; D005612:Freeze Drying; D005615:Freezing; D008242:Lysogeny; D009584:Nitrogen; D010957:Plasmids; D011309:Preservation, Biological / Q000379:methods*; D011815:R Factors
chemical_list: D000900:Anti-Bacterial Agents; D004269:DNA, Bacterial; D009584:Nitrogen