FGSC #1212

Reporting Genes: eth-1

Species: crassa

Allele: no#(r)(t)

Alternate Strain Number: N86-21

Mutagen: UV

Depositor: DNP

Linkage Group: IL

Mating Type: A

Species Number: 10

Genetic Background: SL3

Opposite Mating Type: 1220

ref1: Metzenberg et al Science 145:1434 1964 XM63, https://doi.org/10.1126/science.145.3639.1434

Genes

Locus	Cultural Requirements	Link Group	Type
eth-1	IL. Between arg-1 and arg-3 (1%) (816). (672)Resistant to ethionine at 24°C (672). Labile S-adenosylmethionine synthetase (515, 547) (see Fig. 17). Resistance attributed to overproduction of methionine (541, 542). Heat sensitive; no growth at 37°C (672). Levels of several enzymes that are normally repressible by methionine are not repressed by methionine in eth-1R strains even at the growth-permissive temperature (124, 664). See also reference 965. Both heat sensitivity and ethionine resistance are reparable by high osmotic pressure (664). Called r-eth-1.	IL	B

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