SGD Paper 
Maitra PK and Lobo Z (1977) Genetic studies with a phosphoglucose isomerase mutant of Saccharomyces cerevisiae. Mol Gen Genet 156(1):55-60
Abstract: A mutation pgi1 in the yeast Saccharomyces cerevisiae conferring deficiency of the glycolytic enzyme glucose 6-phosphate isomerase is characterised genetically. The mutation segregates 2+:2- in tetrads from diploids heterozygous for the mutant phenotype. The mutation is semi-dominant and is located on the right arm of chromosome II in the order: tsm134--lys2--pgi1--tyr1 approximately 15 map units from tyr1. The mutation pgi1 defines the structural gene of glucose 6-phosphate isomerase and can be suqpressed intragenically giving revertants that have an unstable enzyme. In one temperature-sensitive revertant no enzyme activity in excess of the mutant level could be detected although fructose 6-phosphate was converted to glucose 6-phosphate in vivo. The suppressor locus in this revertant is dominant and is unlinked to the pgi1 locus.
| Status: Published | Type: Journal Article | PubMed ID: 340892 |
Topics addressed in this paper
Number of different genes curated to this paper: 5
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