title: Differential colony hybridization: molecular cloning from a zero data base.
mesh_terms: D003001:Cloning, Molecular / Q000379:methods*; D004247:DNA / Q000378:metabolism; D005822:Genetic Vectors; D009693:Nucleic Acid Hybridization; D010761:Phosphorus Radioisotopes; D010957:Plasmids; D011061:Poly A / Q000302:isolation & purification; D012313:RNA / Q000302:isolation & purification; D012333:RNA, Messenger
chemical_list: D010761:Phosphorus Radioisotopes; D012333:RNA, Messenger; D011061:Poly A; D012313:RNA; D004247:DNA