title: Plasmid determined resistance to antibiotics: molecular properties of R factors.
mesh_terms: D000900:Anti-Bacterial Agents / Q000494:pharmacology*; D001419:Bacteria / Q000032:analysis / Q000187:drug effects* / Q000378:metabolism; D002499:Centrifugation, Density Gradient; D003227:Conjugation, Genetic; D004261:DNA Replication; D004269:DNA, Bacterial / Q000032:analysis / Q000096:biosynthesis; D004270:DNA, Circular / Q000032:analysis / Q000096:biosynthesis; D004352:Drug Resistance, Microbial; D005111:Extrachromosomal Inheritance; D008854:Microscopy, Electron; D008970:Molecular Weight; D011995:Recombination, Genetic
chemical_list: D000900:Anti-Bacterial Agents; D004269:DNA, Bacterial; D004270:DNA, Circular