FGSC #4060

Reporting Genes: trp-4

Species: crassa

Allele: Y2198

Alternate Strain Number: M619 a

Mutagen: M

Depositor: EK

Linkage Group: IVR

Mating Type: a

Species Number: 10

Genetic Background: SL6

Opposite Mating Type: 4059

ref1: Kafer 1982. Neurospora Newsl. 29:41-44, https://doi.org/10.4148/1941-4765.1645

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

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