BAIT
HTB1
SPT12, histone H2B, L000000829, YDR224C
Histone H2B; core histone protein required for chromatin assembly and chromosome function; nearly identical to HTB2; Rad6p-Bre1p-Lge1p mediated ubiquitination regulates reassembly after DNA replication, transcriptional activation, meiotic DSB formation and H3 methylation
GO Process (3)
GO Function (1)
GO Component (2)
Gene Ontology Biological Process
Gene Ontology Molecular Function
Gene Ontology Cellular Component
Saccharomyces cerevisiae (S288c)
PREY
SEM1
DSS1, HOD1, proteasome regulatory particle lid subunit SEM1, L000003539, L000004647, YDR363W-A
Component of lid subcomplex of 26S proteasome regulatory subunit; involved in mRNA export mediated by TREX-2 complex (Sac3p-Thp1p); assumes different conformations in different contexts, functions as molecular glue stabilizing the Rpn3p/Rpn7p regulatory heterodimer, and tethers it to lid helical bundle; ortholog of human DSS1; protein abundance increases in response to DNA replication stress
GO Process (10)
GO Function (0)
GO Component (4)
Gene Ontology Biological Process
- SAGA complex localization to transcription regulatory region [IMP]
- exocytosis [IGI, IPI]
- filamentous growth [IMP]
- histone deubiquitination [IMP]
- mRNA export from nucleus [IGI, IMP, IPI]
- maintenance of DNA trinucleotide repeats [IMP]
- proteasome assembly [IMP]
- proteasome-mediated ubiquitin-dependent protein catabolic process [IDA, IMP]
- regulation of cell cycle [IMP]
- ubiquitin-dependent protein catabolic process [IMP]
Gene Ontology Cellular Component
Saccharomyces cerevisiae (S288c)
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.
Publication
Alterations in DNA replication and histone levels promote histone gene amplification in Saccharomyces cerevisiae.
Gene amplification, a process that increases the copy number of a gene or a genomic region to two or more, is utilized by many organisms in response to environmental stress or decreased levels of a gene product. Our previous studies in Saccharomyces cerevisiae identified the amplification of a histone H2A-H2B gene pair, HTA2-HTB2, in response to the deletion of the ... [more]
Genetics Apr. 01, 2010; 184(4);985-97 [Pubmed: 20139344]
Throughput
- High Throughput
Ontology Terms
- phenotype: viability (APO:0000111)
Additional Notes
- A synthetic genetic array (SGA) analysis was performed to identify deletions that either increase or decrease/eliminate the viability of an hta1 htb1 double mutant. Since HTA2 -HTB2 gene amplification is required for survival in an hta1 htb1 double mutant background, the level of survival of the triple mutant served as an indicator of the frequency of HTA2-HTB2 amplification.
Curated By
- BioGRID