FGSC #9062

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Reporting Genes: het-c^PA arg-5; pan-2

Species: crassa

Alternate Strain Number: Xa-2

Depositor: NLG

Mating Type: A

Species Number: 10

ref1: Xiang et al 2002 Genetics 160:169-180, https://doi.org/10.1093/genetics/160.1.169

Deposit Sheet ↗

Genes

Locus	Cultural Requirements	Link Group	Type
arg-5	Uses ornithine, citrulline or arginine.	IIR	B
pan-2	VIR. Right of rib-1 (<1 to 3%). Left of del (6%) and trp-2(11%) (140, 141, 143, 818, PB). Unable to convert ketovaline to ketopantoic acid (138, 140, 141). Used in major studies of intralocus recombination and complementation (140-143). pan-2ascospores remain white or pale if the crossing medium is not supplemented, even when the protoperithecial parent is pan-2+. Asci in which gene conversion has occurred at pan-2 can thus be recognized and isolated (1072, 1073); photographs (1072). For good recovery of pan-2progeny, crossing media should be supplemented with pantothenic acid (10 µg/ml) even when the protoperithecial parent is pan+. Called group B.	VIR	B
het-c^PA	Two alleles found in lab strains were originally called het-C and het-c. Following the discovery and demonstration of a third allele, het-c^PA, the symbol het-C was changed to het-c^OR and the symbol het-c was changed to het-c^EM. Three specificity types have been recognized and shown to be polymorphic in nature. These are designated het-c^OR, het-c^GR, and het-c^PA.		B