title: Transcription in nuclei isolated from tobacco tissues.
mesh_terms: D002467:Cell Nucleus / Q000378:metabolism*; D012321:DNA-Directed RNA Polymerases / Q000378:metabolism; D003609:Dactinomycin / Q000494:pharmacology; D006493:Heparin / Q000494:pharmacology; D007700:Kinetics; D009693:Nucleic Acid Hybridization; D010944:Plants / Q000378:metabolism*; D010947:Plants, Toxic; D010957:Plasmids; D012231:Rhizobium / Q000378:metabolism; D014026:Nicotiana / Q000378:metabolism; D014158:Transcription, Genetic / Q000187:drug effects
chemical_list: D003609:Dactinomycin; D006493:Heparin; D012321:DNA-Directed RNA Polymerases