FGSC #7248

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Reporting Genes: nit-7 erg-3

Species: crassa

Allele: V1M59 UV41

Alternate Strain Number: 3350

Depositor: DDP

Linkage Group: IIIR IIIR

Mating Type: a

Species Number: 10

Opposite Mating Type: 7247

Deposit Sheet ↗

Genes

Locus	Cultural Requirements	Link Group	Type
erg-3	IIIR. Linked to dow (10 to 14%), probably to the left (PB).The cell membrane is deficient in ergosterol; slightly (2x) increased resistance to nystatin and other polyene antibiotics (417, 418). Biosynthetic lesion not identified (419). Female sterile, but forms tiny protoperithecia. Slow growth, reduced conidiation, uneven production of aerial hyphae.	IIIR	B
nit-7	IIIR. Between trp-1 (26 to 32%) and dow (45%) (D.D. Perkins, unpublished data). Cannot use nitrate or hypoxanthine as a nitrogen source. Resembles nit-1, nit-8, and nit-9 in affecting the molybdenum-containing cofactor common to nitrate reductase and xanthine dehydrogenase (1080, 1081) (Fig. 19 and 24).	IIIR	B