[On the necessity of zinc trace element for the synthesis of tryptophan, in Aspergillus niger and its possible replacement by cadmium].
D001230:Aspergillus; D001234:Aspergillus niger; D001669:Biochemical Phenomena; D002104:Cadmium; D014131:Trace Elements; D014364:Tryptophan / Q000378:metabolism*; D015032:Zinc
D014131:Trace Elements; D002104:Cadmium; D014364:Tryptophan; D015032:Zinc
CADMIUM; TRYPTOPHAN/metabolism; ZINC