title: The Ac and Spm controlling element families in maize.
mesh_terms: D004251:DNA Transposable Elements; D009154:Mutation; D010944:Plants / Q000235:genetics*; D013489:Suppression, Genetic; D014158:Transcription, Genetic; D003313:Zea mays / Q000235:genetics
chemical_list: D004251:DNA Transposable Elements