title: Protoplast fusion of Lactobacillus fermentum.
abstract: Tetracycline-resistant (Tetr) erythromycin-resistant (Eryr) fusants of Lactobacillus fermentum 604 carrying a 10-megadalton Tetr plasmid and L. fermentum 605 carrying a 38-megadalton Eryr plasmid were obtained by means of polyethylene glycol-induced protoplast fusion.
mesh_terms: D004352:Drug Resistance, Microbial; D004917:Erythromycin / Q000494:pharmacology; D007778:Lactobacillus / Q000187:drug effects / Q000235:genetics* / Q000648:ultrastructure; D011523:Protoplasts / Q000648:ultrastructure*; D011815:R Factors; D013752:Tetracycline / Q000494:pharmacology
chemical_list: D004917:Erythromycin; D013752:Tetracycline