Title : Glucose uptake and metabolism in grr1/cat80 mutants of Saccharomyces cerevisiae.

Pub. Date : 1994 Sep 1

PMID : 7925377






4 Functional Relationships(s)
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1 In a screen, designed for the selection of mutants with reduced glycolytic flux we obtained isolates which were shown by complementation of the cloned wild-type gene to be allelic to the glucose repression mutants grr1/cat80/cot2 previously described. Glucose SCF ubiquitin ligase complex subunit GRR1 Saccharomyces cerevisiae S288C
2 In a screen, designed for the selection of mutants with reduced glycolytic flux we obtained isolates which were shown by complementation of the cloned wild-type gene to be allelic to the glucose repression mutants grr1/cat80/cot2 previously described. Glucose SCF ubiquitin ligase complex subunit GRR1 Saccharomyces cerevisiae S288C
3 We demonstrate that the grr1 lesion lead to a concentration-dependent decrease in glycolytic flux on glucose. Glucose SCF ubiquitin ligase complex subunit GRR1 Saccharomyces cerevisiae S288C
4 We suggest that Grr1, a putative cytoplasmic protein, has a central function in the sensing of nutritional conditions for a variety of unrelated substances, and that relief from glucose repression may be a corollary of this defect in sensing. Glucose SCF ubiquitin ligase complex subunit GRR1 Saccharomyces cerevisiae S288C