title: [Preservation of E coli strains].
authors.forename: A
authors.initials: A
authors.lastname: Nishimura
mesh_terms: D001431:Bacteriological Techniques; D002455:Cell Division / Q000235:genetics; D002874:Chromosome Mapping; D004926:Escherichia coli / Q000166:cytology / Q000235:genetics; D005798:Genes, Bacterial; D009154:Mutation; D010957:Plasmids