title: Proceedings: Studies on large DNA plasmids of Agrobacterium tumefaciens.
mesh_terms: D004269:DNA, Bacterial / Q000032:analysis*; D005111:Extrachromosomal Inheritance; D010957:Plasmids; D012231:Rhizobium / Q000032:analysis* / Q000472:pathogenicity
chemical_list: D004269:DNA, Bacterial