BAIT

MGA2

L000004181, YIR033W
ER membrane protein involved in regulation of OLE1 transcription; inactive ER form dimerizes and one subunit is then activated by ubiquitin/proteasome-dependent processing followed by nuclear targeting; MGA2 has a paralog, SPT23, that arose from the whole genome duplication
Saccharomyces cerevisiae (S288c)
PREY

OLE1

MDM2, stearoyl-CoA 9-desaturase, L000001052, L000001297, YGL055W
Delta(9) fatty acid desaturase; required for monounsaturated fatty acid synthesis and for normal distribution of mitochondria
GO Process (1)
GO Function (2)
GO Component (2)
Saccharomyces cerevisiae (S288c)

Dosage Rescue

A genetic interaction is inferred when over expression or increased dosage of one gene rescues the lethality or growth defect of a strain that is mutated or deleted for another gene.

Publication

Regulation of yeast fatty acid desaturase in response to iron deficiency.

Romero AM, Jorda T, Rozes N, Martinez-Pastor MT, Puig S

Unsaturated fatty acids (UFA) are essential components of phospholipids that greatly contribute to the biophysical properties of cellular membranes. Biosynthesis of UFAs relies on a conserved family of iron-dependent fatty acid desaturases, whose representative in the model yeast Saccharomyces cerevisiae is Ole1. OLE1 expression is tightly regulated to adapt UFA biosynthesis and lipid bilayer properties to changes in temperature, and ... [more]

Biochim. Biophys. Acta Jun. 01, 2018; 1863(6);657-668 [Pubmed: 29627385]

Throughput

  • Low Throughput

Ontology Terms

  • phenotype: utilization of iron source (APO:0000157)
  • phenotype: vegetative growth (APO:0000106)

Additional Notes

  • OLE1 rescued mga2 mutant growth defect under iron-deficient conditions

Related interactions

InteractionExperimental Evidence CodeDatasetThroughputScoreCurated ByNotes
MGA2 OLE1
Dosage Rescue
Dosage Rescue

A genetic interaction is inferred when over expression or increased dosage of one gene rescues the lethality or growth defect of a strain that is mutated or deleted for another gene.

Low-BioGRID
154919
OLE1 MGA2
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-0.7805BioGRID
1981209
OLE1 MGA2
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-15.0033BioGRID
901640
MGA2 OLE1
Phenotypic Suppression
Phenotypic Suppression

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

Low-BioGRID
3201125

Curated By

  • BioGRID