FGSC #3866

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Reporting Genes: Has been replaced by strain number: 4060

Species: crassa

Allele: Y2198

Alternate Strain Number: 4243

Depositor: DDP

Mating Type: a

Species Number: 10

Deposit Sheet ↗

Genes

Locus	Cultural Requirements	Link Group	Type
trp-4	IVR. Between his-5 (3 to 7%) and leu-2 (1 to 2%) (633, 991). (47). Uses tryptophan or indole (750). Deficient in anthranilate phosphoribosyl transferase (1126) (Fig. 11). Scorable by blue fluorescence (anthranilate) in medium under long-wave UV after 2 to 5 days of growth on minimal medium plus indole (10 µg /ml), 34°C. Initial stocks of the first trp-4 mutant were inhibited by suboptimal concentrations of tryptophan (750), but derivatives have been obtained that are free of this problem (909).	IVR	B