FGSC #3563

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Reporting Genes: mb-1

Species: crassa

Allele: V8455

Alternate Strain Number: 7136

Mutagen: UV

Depositor: DDP

Linkage Group: VII

Mating Type: a

Species Number: 10

Genetic Background: M

Opposite Mating Type: 3562

Deposit Sheet ↗

Genes

Locus	Cultural Requirements	Link Group	Type
mb-1	VII. Linked to nic-3 and wc-1 (23%) (1100, PB).Perithecial development is blocked when the mb-1 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 reported to be normal and fertile when the mb-1 mutant is the female parent fertilized by an mb+ strain (1128); however, some abnormality as the female has been observed cytologically after pachytene (N.B. Raju, personal communication). Homozygous barren (PB). Recessive in heterokaryons, complementing mb-2and mb-3(1101). One occurrence: allele 8455.	VII	B