BAIT

HTA1

H2A1, SPT11, histone H2A, L000000827, YDR225W
Histone H2A; core histone protein required for chromatin assembly and chromosome function; one of two nearly identical subtypes (see also HTA2); DNA damage-dependent phosphorylation by Mec1p facilitates DNA repair; acetylated by Nat4p; N-terminally propionylated in vivo
GO Process (4)
GO Function (1)
GO Component (2)
Saccharomyces cerevisiae (S288c)
PREY

IME1

transcription factor IME1, L000000861, YJR094C
Master regulator of meiosis that is active only during meiotic events; activates transcription of early meiotic genes through interaction with Ume6p; degraded by the 26S proteasome following phosphorylation by Ime2p; transcription is negatively regulated in cis by the IRT1 long noncoding antisense RNA
GO Process (3)
GO Function (1)
GO Component (1)
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

Depletion of H2A-H2B dimers in Saccharomyces cerevisiae triggers meiotic arrest by reducing IME1 expression and activating the BUB2-dependent branch of the spindle checkpoint.

Hanlon SE, Norris DN, Vershon AK

In the yeast Saccharomyces cerevisiae, diploid strains carrying homozygous hta1-htb1Delta mutations express histone H2A-H2B dimers at a lower level than do wild-type cells. Although this mutation has only minor effects on mitotic growth, it causes an arrest in sporulation prior to the first meiotic division. In this report, we show that the hta1-htb1Delta mutant exhibits reduced expression of early and ... [more]

Genetics Aug. 01, 2003; 164(4);1333-44 [Pubmed: 12930743]

Throughput

  • Low Throughput

Ontology Terms

  • meiosis (APO:0000039)

Curated By

  • BioGRID