BAIT

TOP2

TOR3, TRF3, DNA topoisomerase 2, L000002320, YNL088W
Topoisomerase II; relieves torsional strain in DNA by cleaving and re-sealing the phosphodiester backbone of both positively and negatively supercoiled DNA; cleaves complementary strands; localizes to axial cores in meiosis; required for replication slow zone (RSZ) breakage following Mec1p inactivation
Saccharomyces cerevisiae (S288c)
PREY

ESC1

L000004422, YMR219W
Protein localized to the nuclear periphery; involved in telomeric silencing; interacts with PAD4-domain of Sir4p
GO Process (2)
GO Function (0)
GO Component (1)

Gene Ontology Biological Process

Gene Ontology Cellular Component

Saccharomyces cerevisiae (S288c)

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.

Publication

Chromosome length and perinuclear attachment constrain resolution of DNA intertwines.

Titos I, Ivanova T, Mendoza M

To allow chromosome segregation, topoisomerase II (topo II) must resolve sister chromatid intertwines (SCI) formed during deoxynucleic acid (DNA) replication. How this process extends to the full genome is not well understood. In budding yeast, the unique structure of the ribosomal DNA (rDNA) array is thought to cause late SCI resolution of this genomic region during anaphase. In this paper, ... [more]

J. Cell Biol. Sep. 15, 2014; 206(6);719-33 [Pubmed: 25225337]

Throughput

  • Low Throughput

Ontology Terms

  • phenotype: chromosome segregation (APO:0000208)

Additional Notes

  • Figure 5
  • LYS4 separation and segregation defects

Related interactions

InteractionExperimental Evidence CodeDatasetThroughputScoreCurated ByNotes
TOP2 ESC1
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-0.298BioGRID
2008860

Curated By

  • BioGRID