title: The preparation and culture of spontaneously fused tobacco leaf spongy-mesophyll protoplasts.
mesh_terms: D002467:Cell Nucleus; D002473:Cell Wall; D003470:Culture Media; D046508:Culture Techniques; D008938:Mitosis; D059828:Plant Cells; D010947:Plants, Toxic; D011523:Protoplasts; D014026:Nicotiana
chemical_list: D003470:Culture Media