FGSC #3566

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Reporting Genes: mb-3

Species: crassa

Allele: V5538

Alternate Strain Number: 1657

Mutagen: UV

Depositor: DDP

Linkage Group: IR

Mating Type: A

Species Number: 10

Genetic Background: M

Opposite Mating Type: 3567

ref1: Vigfusson & Weijer 1972 Genet Res 19:205, https://doi.org/10.1017/s0016672300014476; https://doi.org/10.1007/bf02884207

ref2: Weijer & Vigfusson Genet Res 19:191 1972, https://doi.org/10.1017/s0016672300014464

Deposit Sheet ↗

Genes

Locus	Cultural Requirements	Link Group	Type
mb-3	IR. Linked to cyh-1 (18%), al-1 (2%), and mb-2 (6%) (1100, PB; J.F. Leslie, personal communication). Perithecial development is blocked when an mb-2 mutant is used as the male parent to fertilize an mb+ female; many perithecia are produced, mostly small, brown, without beaks or ascospores; a few perithecia mature and produce ascospores (1100). Perithecia are normal and fully fertile when an mb-2 mutant is used as the female parent and fertilized by an mb+ strain (1128). Development of perithecia may be slower than normal, however, when an mb-2 mutant is used as the female (N.B. Raju, personal communication). Homozygous barren (PB). Recessive in heterokaryons, complementing mb-1and mb-3(1101). Six occurrences.	IR	B