FGSC #323

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Reporting Genes: cys-1

Species: crassa

Allele: 84605

Alternate Strain Number: 84605a

Mutagen: X

Depositor: NHH

Linkage Group: VIL

Mating Type: a

Species Number: 10

Genetic Background: M

ref1: Horowitz and Shen J. Biol. Chem. 197:513 (1952), https://www.jbc.org/content/197/2/513.long

ref2: S-C Shen Thesis, Calif. Inst. Tech. 1950, https://resolver.caltech.edu/CaltechETD:etd-06282004-093704

Deposit Sheet ↗

Genes

Locus	Cultural Requirements	Link Group	Type
cys-1	VIL. Between cys-2 (1 to 3%) and ylo-1 (8%) (721,1012). (980) Uses sulfite, thiosulfate, cysteine, or methionine. Original isolate (allele 84605) also had a partial requirement for tyrosine and showed high tyrosinase activity at 25°C but not 35°C (479, 721, 980). These properties reverted, however, whereas the cysteine requirement is stable (479). Used in studies of intra- and interlocus recombination (721, 1015, 1016, 1024-1026).	VIL	B