BAIT

DEF1

VID31, DNA damage-responsive RNA polymerase-degradation factor DEF1, YKL054C
RNAPII degradation factor; forms a complex with Rad26p in chromatin, enables ubiquitination and proteolysis of RNAPII present in an elongation complex; mutant is deficient in Zip1p loading onto chromosomes during meiosis
UPS Project
Saccharomyces cerevisiae (S288c)
PREY

GSH1

glutamate--cysteine ligase, L000000735, YJL101C
Gamma glutamylcysteine synthetase; catalyzes the first step in glutathione (GSH) biosynthesis; expression induced by oxidants, cadmium, and mercury; protein abundance increases in response to DNA replication stress
GO Process (3)
GO Function (1)
GO Component (2)

Gene Ontology Biological Process

Gene Ontology Molecular Function

Gene Ontology Cellular Component

Saccharomyces cerevisiae (S288c)

Phenotypic Enhancement

A genetic interaction is inferred when mutation or overexpression of one gene results in enhancement of any phenotype (other than lethality/growth defect) associated with mutation or over expression of another gene.

Publication

Identification and characterization of genes involved in glutathione production in yeast.

Suzuki T, Yokoyama A, Tsuji T, Ikeshima E, Nakashima K, Ikushima S, Kobayashi C, Yoshida S

Glutathione is a major peptide protecting cells against oxidative stress. To study the cellular processes affecting intracellular glutathione production, we screened Saccharomyces cerevisiae mutant collections and identified new eight yeast deletion mutants that produced more than 1.2-fold higher levels of intracellular glutathione: chc1, cst6, ddc1, def1, pep12, rts1, ubp6, and yih1. Furthermore, overexpression of the DEF1 and CYS4 genes led ... [more]

Unknown May. 19, 2011; 0(0); [Pubmed: 21601516]

Throughput

  • Low Throughput

Ontology Terms

  • phenotype: chemical compound accumulation (APO:0000095)

Additional Notes

  • overexpression of GSH1 causes a synthetic increase in glutathione production in some mutant backgrounds

Related interactions

InteractionExperimental Evidence CodeDatasetThroughputScoreCurated ByNotes
DEF1 GSH1
Negative Genetic
Negative Genetic

Mutations/deletions in separate genes, each of which alone causes a minimal phenotype, but when combined in the same cell results in a more severe fitness defect or lethality under a given condition. This term is reserved for high or low throughput studies with scores.

High-0.1348BioGRID
2431196

Curated By

  • BioGRID