title: The utilization of nitrogen sources by Aspergillus clavatus.
mesh_terms: D000641:Ammonia / Q000378:metabolism*; D001230:Aspergillus / Q000254:growth & development / Q000378:metabolism*; D001693:Biological Transport, Active; D002250:Carbon Radioisotopes; D004794:Enzyme Repression; D005971:Glutamates / Q000378:metabolism*; D007700:Kinetics; D026901:Membrane Transport Proteins / Q000378:metabolism; D013172:Spores, Fungal / Q000254:growth & development / Q000378:metabolism; D014508:Urea / Q000378:metabolism*
chemical_list: D002250:Carbon Radioisotopes; D005971:Glutamates; D026901:Membrane Transport Proteins; D000641:Ammonia; D014508:Urea