title: Simple rapid procedures for isolation of tobacco leaf nuclei.
mesh_terms: D002247:Carbon Isotopes; D002467:Cell Nucleus / Q000032:analysis; D002498:Centrifugation; D002499:Centrifugation, Density Gradient; D004247:DNA / Q000032:analysis; D012321:DNA-Directed RNA Polymerases / Q000032:analysis; D005019:Ethyl Ethers; D006652:Histological Techniques; D008854:Microscopy, Electron; D010940:Plant Proteins / Q000032:analysis; D010947:Plants, Toxic; D012313:RNA / Q000032:analysis; D012997:Solvents; D014026:Nicotiana / Q000166:cytology*
chemical_list: D002247:Carbon Isotopes; D005019:Ethyl Ethers; D010940:Plant Proteins; D012997:Solvents; D012313:RNA; D004247:DNA; D012321:DNA-Directed RNA Polymerases