FGSC #9073

Reporting Genes: mat A-3^m1 pyr-4

Species: crassa

Alternate Strain Number: R4-67

Depositor: NLG

Species Number: 10

ref1: Ferreira et al 1998 Genetics 148:1069-1079, https://doi.org/10.1093/genetics/148.3.1069

Genes

Locus	Cultural Requirements	Link Group	Type
pyr-4	IIL. Right of het-c (1%), T(P2869), and cys-3 (18 to 21%). Left of ro-3 (1 to 2%) (721, 816, PB). (812). Requires uracil or other pyrimidine. Lacks orotidine 5'-monophosphate decarboxylase (133, 134, 841) (Fig. 20). Fertile crosses homozygous for pyr-4 can be made by using very high levels of uridine (15 to 20 mg/ml) (O.M. Mylyk, personal communication).	IIL	B
mat A-3^m1			B

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