FGSC #6408

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Reporting Genes: mus-9 nic-2

Species: crassa

Allele: FK129 43002

Alternate Strain Number: M2454

Depositor: EK

Linkage Group: IR R

Mating Type: a

Species Number: 10

Genetic Background: SL

Opposite Mating Type: 6407

Deposit Sheet ↗

Genes

Locus	Cultural Requirements	Link Group	Type
mus-9	IR. Between cyh-1 (18%) and al-2 (6%) (537). Sensitive to UV, X rays, methyl methane sulfonate, histidine, nitrosoguanidine, and mitomycin C. High spontaneous mutation; little or no mutability by UV or X rays. Homozygous sterile. Reduced conidial viability. (537, 539) Defective in extracellular nuclease, giving reduced halos around colony on DNA agar (537). Initially called uvs(FK104) in reference 538.	IR	B
nic-2	IR. Between ad-3B (4%) and ace-7 (4 to 7%) (271, 578). (482) Grows on nicotinic acid, nicotinamide, or high concentrations of quinolinic acid (97, 1168). Cannot use kynurenine, hydroxykynurenine, or hydroxyanthranilic acid (96, 1168). Accumulates 3-hydroxyanthranilic acid (96) (Fig. 18). Aging cultures accumulate red-brown pigment in the medium. Used to study intralocus recombination (908). Translocations T(4540) and T(S1325)are inseparable from nic-2 (808, 908, 911).	IR	B