title: Plasmid transformation in Haemophilus influenzae.
abstract: Purified 34-megadalton-plasmid deoxyribonucleic acid from antibiotic-resistant strains of Haemophilus influenzae transforms competent strains of H. influenzae more efficiently if the recipient strains contain certain other 30-megadalton plasmids.
mesh_terms: D004269:DNA, Bacterial / Q000235:genetics; D006193:Haemophilus influenzae / Q000235:genetics*; D010957:Plasmids; D011995:Recombination, Genetic; D014170:Transformation, Genetic
chemical_list: D004269:DNA, Bacterial