FGSC #3529

Reporting Genes: cfs(OY306) al-2

Species: crassa

Allele: OY306(s) 15300

Alternate Strain Number: 8841-43

Depositor: OCY

Linkage Group: IR IR

Mating Type: a

Species Number: 10

ref1: Yoder 1979 Neurospora newsl. 26:11, https://doi.org/10.4148/1941-4765.1709

Genes

Locus	Cultural Requirements	Link Group	Type
al-2	IR. Right of os-5 (<1%) and T(STL76). Left of arg-6(1%) and al-1 (797, 802, 808, 816, 818). Included in duplications from Tp(T54M94), confirming location left of arg-6(808). (482) Carotenoids absent or abnormal, but steroids produced (398). Blocked in microsomal fraction and defective in phytoene synthetase (445), a particulate enzyme (445 and references cited therein) (Fig. 9). Tracer experiments indicate a lesion between prephytoene pyrophosphate and phytoene (572). Alleles include those resulting in white and pale rose-white, e.g., 15300 and Y254MI65 (1042), and purple, e.g., MN58a (154). For complementation, see references 500 and 1041. Fine-structure mapping (500, 1042) needs reevaluation because of new information on the location of the arg-6 marker (797).	IR	B
cfs(OY306)	IR. Near al-2, probably to the right (1172). Growth inhibited by caffeine (0.2 mg/ml) and by adenine. Slow growth on minimal medium. Not stimulated by complete medium. Morphologically abnormal. Complements cfs(OY305) and cfs(OY307). (1172)	IR	B

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