抄録
This investigation was concerned with nutritional requirements of 11 biochemical mutants of soy making Aspergillus sojae induced by nitrogen mustard (methyl-bis-β-chloroethylamine).
The author observed the following facts in this experiement:
In vitamin requirements, three strains required nicotinic acid.
In amino-acid requirements, three strains required methionine, one strain required lysine and one strain required glycine. The last one was not obtained by ultraviolet or x-rays. In base requirements one strain requiring adenine sulphate or guanine hydrochloride and two strains required untested factors containing in yeast extracts.
