FGSC #116

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Reporting Genes: ser-1

Species: crassa

Allele: H605

Alternate Strain Number: 3028

Mutagen: X

Depositor: DDP

Linkage Group: IIIR

Mating Type: A

Species Number: 10

Genetic Background: M

Opposite Mating Type: 118

ref1: Barratt et al 1954 Adv Genet 6:1-93, https://doi.org/10.1016/s0065-2660(08)60127-3

ref2: Perkins and Ishitani 1959 Genetics 44:1209-1213, https://www.genetics.org/content/44/6/1209.long

Deposit Sheet ↗

Genes

Locus	Cultural Requirements	Link Group	Type
ser-1	IIIR. Between sc (4%) and pro-1 (9%) (504). Uses serine or glycine (504). Slightly deficient in serine hydroxymethyltransferase: raised levels of 10-formyltetrahydrofolate synthetase. Lacks ability to incorporate C1 units from glycine. Extracts lack detectable methylfolates. Negligibly deficient in 5,10-methylene tetrahydrofolate reductase. (209). Ascospores from ser-1 x ser-1crosses do not blacken or do so only after a long delay (816). Morphologically normal; abnormal morphology at elevated temperatures that was reported in reference 816 was not due to ser-1 but to scot (810).	IIIR	B