title: Triornithine-resistant strains of Escherichia coli. Isolation, definition, and genetic studies.
mesh_terms: D001693:Biological Transport, Active; D002455:Cell Division; D002874:Chromosome Mapping; D003090:Coliphages; D003720:Densitometry; D004352:Drug Resistance, Microbial; D004926:Escherichia coli / Q000166:cytology / Q000378:metabolism*; D005787:Gene Frequency; D008040:Genetic Linkage; D009154:Mutation; D009842:Oligopeptides / Q000378:metabolism*; D009876:Operon; D009952:Ornithine / Q000378:metabolism*; D011995:Recombination, Genetic; D013997:Time Factors; D014161:Transduction, Genetic; D014779:Virus Replication
chemical_list: D009842:Oligopeptides; D009952:Ornithine