FGSC #3094

Reporting Genes: ad-2;ff(AB-I4)

Species: crassa

Allele: STL2;AB-I4

Alternate Strain Number: 538

Mutagen: UV

Depositor: TEJ

Linkage Group: IIIR;--

Mating Type: A

Species Number: 10

Genetic Background: M

ref1: 1975 Johnson, TE PhD Thesis University of Washington

ref2: Johnson 210p (Order #75-28,369)Diss Abstr 36B:2615

Genes

Locus	Cultural Requirements	Link Group	Type
ad-2	IIIR. Between thi-2 (1%) and trp-1 (1 to 7%) (11, 219). (482) Requires adenine or hypoxanthine (682). Controls conversion of phosphoribosylformylglycineamidine to AIR (120) (Fig. 8). Strains carrying allele 70004(t) are heat sensitive (34°C versus 25 C) (682) and osmotic remediable (636). Called complementation group H.	IIIR	B
ff(AB-I4)	Infertile as the female, but fully fertile as the male (fertilizing), parent. Besides those listed, 32 more ff mutations have been obtained (530), but they are not listed separately because they are unmapped and lack locus numbers. These comprise 28 complementation groups and have been characterized with respect to position of the block in perithecial development, dominance, effects on vegetative growth, supplementability, and independence of mating type (530). These mutants are available from the FGSC. Another symbol, fs (female sterile), has been used by other workers for mutant genes causing the same phenotype. Additional mutations, including some that specify impaired female fertility as part of a pleiotropic syndrome and have other names, are listed under fs. For additional characteristics, see fs.		B

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