title: The insertion element IS1 is a natural constituent of coliphage P1 DNA.
mesh_terms: D002701:Chloramphenicol / Q000494:pharmacology; D003090:Coliphages / Q000235:genetics*; D004279:DNA, Viral / Q000235:genetics; D004352:Drug Resistance, Microbial; D004926:Escherichia coli; D005814:Genes, Viral; D008040:Genetic Linkage; D008854:Microscopy, Electron; D009690:Nucleic Acid Conformation; D011995:Recombination, Genetic
chemical_list: D004279:DNA, Viral; D002701:Chloramphenicol