BAIT

BNR1

formin BNR1, L000004058, YIL159W
Formin; nucleates the formation of linear actin filaments, involved in cell processes such as budding and mitotic spindle orientation which require the formation of polarized actin cables, functionally redundant with BNI1
GO Process (4)
GO Function (1)
GO Component (1)
Saccharomyces cerevisiae (S288c)
PREY

TPM1

tropomyosin TPM1, L000002328, YNL079C
Major isoform of tropomyosin; binds to and stabilizes actin cables and filaments, which direct polarized cell growth and the distribution of several organelles; acetylated by the NatB complex and acetylated form binds actin most efficiently; TPM1 has a paralog, TPM2, that arose from the whole genome duplication
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

Initial polarized bud growth by endocytic recycling in the absence of actin cable-dependent vesicle transport in yeast.

Yamamoto T, Mochida J, Kadota J, Takeda M, Bi E, Tanaka K

The assembly of filamentous actin is essential for polarized bud growth in budding yeast. Actin cables, which are assembled by the formins Bni1p and Bnr1p, are thought to be the only actin structures that are essential for budding. However, we found that formin or tropomyosin mutants, which lack actin cables, are still able to form a small bud. Additional mutations ... [more]

Mol. Biol. Cell Apr. 01, 2010; 21(7);1237-52 [Pubmed: 20147449]

Throughput

  • Low Throughput

Ontology Terms

  • phenotype: budding (APO:0000024)

Additional Notes

  • BNI1/BNR1/TPM1/TPM2 quadruple mutants show increased defects in budding

Related interactions

InteractionExperimental Evidence CodeDatasetThroughputScoreCurated ByNotes
BNR1 TPM1
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
264231
TPM1 BNR1
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-0.7817BioGRID
2168419
BNR1 TPM1
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-0.7527BioGRID
2133382
BNR1 TPM1
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-4.8275BioGRID
895463
TPM1 BNR1
Synthetic Growth Defect
Synthetic Growth Defect

A genetic interaction is inferred when mutations in separate genes, each of which alone causes a minimal phenotype, result in a significant growth defect under a given condition when combined in the same cell.

Low-BioGRID
2197147

Curated By

  • BioGRID