FGSC #1070

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Reporting Genes: Has been replaced by strain number: 4817

Species: crassa

Allele: 37501

Alternate Strain Number: 4081

Mutagen: UV

Depositor: DDP

Linkage Group: IVR

Mating Type: a

Species Number: 10

Genetic Background: M

Opposite Mating Type: 117

ref1: https://www.genetics.org/content/genetics/44/6/1215.full.pdf

Deposit Sheet ↗

Genes

Locus	Cultural Requirements	Link Group	Type
leu-2	IVR. Between trp-4 (2%) and ilv-3 (4%) (579, 991). (D.C. Regnery, cited in reference 633)Requires leucine (867, 868). Structural gene for isopropylmalate isomerase (432, 871) (Fig. 15). Altered heat inactivation of hybrid enzymes (432). Structural differences of hybrid enzymes (871). Accumulates alpha-isopropylmalate (427). Synthesis of the enzyme also requires the function of regulatory gene leu-3+ and the presence of alpha-isopropylmalate, which acts as an inducer (427). Resistant to aminotriazole (D.D. Perkins, unpublished data). Alleles show intralocus complementation (424). Allele 37501 is heat sensitive (30°C versus 20 C) and is leaky at 25°C (D.C. Regnery, personal communication).	IVR	B