Isolation of a tryptophan--requiring mutant of Ophiostoma multiannulatum.
D001203:Ascomycota; D005823:Genetics; D009154:Mutation / Q000528:radiation effects; D011831:Radiation Genetics; D014364:Tryptophan / Q000378:metabolism*; D014466:Ultraviolet Rays
D014364:Tryptophan