title: New host specificity of DNA produced by Escherichia coli carrying trimethoprim resistant R plasmid.
mesh_terms: D010582:Bacteriophage lambda / Q000254:growth & development; D003090:Coliphages / Q000254:growth & development*; D004262:DNA Restriction Enzymes; D004269:DNA, Bacterial / Q000235:genetics; D004926:Escherichia coli / Q000235:genetics*; D005798:Genes, Bacterial; D011815:R Factors; D014295:Trimethoprim / Q000494:pharmacology; D010948:Viral Plaque Assay
chemical_list: D004269:DNA, Bacterial; D014295:Trimethoprim; D004262:DNA Restriction Enzymes