FGSC #1706

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Reporting Genes: Has been replaced by strain number: 4173

Species: crassa

Allele: no#

Depositor: DRS

Mating Type: a

Species Number: 10

ref1: https://doi.org/10.1139/g68-115

Deposit Sheet ↗

Genes

Locus	Cultural Requirements	Link Group	Type
uvs-2	IVR. Right of cys-4 (5%) (1023). Left of pmb (8%) (S. Ogilvie-Villa, cited in reference 248; R. Sadler and S. Ogilvie-Villa, personal communication) and the T(S4342) right breakpoint. Linked to T(AR209), T(T54M50), and T(ALS179) (2 to 6%), which mark the IVR tip (808). Sensitive to UV (273, 1023), ionizing radiation (537, 935, 940), methyl methane sulfonate (536, 537), nitrosoguanidine (509, 935), mitomycin C (537), 4-nitroquinoline 1-oxide (509), nitrous acid (D.R. Stadler and E. Crane, personal communication), and ICR-170 (509). Slight or no sensitivity to histidine (537, 759). No dimer excision (1164). Normal spontaneous mutation (275). High UV-induced mutation rate (273); for mutation induction by other agents, see references 509 and 940. Homozygous fertile; no effect on meiosis or crossing over. Recessive in heterokaryons (1023). uvs-2 is the most UV sensitive of Neurosporamutants (15 to 20 times wild type) (537, 938). Used to show that DNA repair is induced by a small dose of UV (1022). Used to demonstrate postreplication repair (130). Only known allele was discovered in several Seattle stocks of mixed ancestry, and thus may be present in lab stocks elsewhere (1023; D.R. Stadler, personal communication). Not to be confused with a cytoplasmically determined UV-sensitive mutation called uvs-2 in reference 187, but now called [uvs(cyt)].	IVR	B