• Register
X
Forgot Password

If you have forgotten your password you can enter your email here and get a temporary password sent to your email.

X

Leaving Community

Are you sure you want to leave this community? Leaving the community will revoke any permissions you have been granted in this community.

No
Yes

Exploring the yeast acetylome using functional genomics.

Lysine acetylation is a dynamic posttranslational modification with a well-defined role in regulating histones. The impact of acetylation on other cellular functions remains relatively uncharacterized. We explored the budding yeast acetylome with a functional genomics approach, assessing the effects of gene overexpression in the absence of lysine deacetylases (KDACs). We generated a network of 463 synthetic dosage lethal (SDL) interactions involving class I and II KDACs, revealing many cellular pathways regulated by different KDACs. A biochemical survey of genes interacting with the KDAC RPD3 identified 72 proteins acetylated in vivo. In-depth analysis of one of these proteins, Swi4, revealed a role for acetylation in G1-specific gene expression. Acetylation of Swi4 regulates interaction with its partner Swi6, both components of the SBF transcription factor. This study expands our view of the yeast acetylome, demonstrates the utility of functional genomic screens for exploring enzymatic pathways, and provides functional information that can be mined for future studies.

Pubmed ID: 22579291

Authors

  • Kaluarachchi Duffy S
  • Friesen H
  • Baryshnikova A
  • Lambert JP
  • Chong YT
  • Figeys D
  • Andrews B

Journal

Cell

Publication Data

May 11, 2012

Associated Grants

  • Agency: Canadian Institutes of Health Research, Id: MOP-102629
  • Agency: Canadian Institutes of Health Research, Id: MOP-11206
  • Agency: Canadian Institutes of Health Research, Id: MOP97939
  • Agency: NHGRI NIH HHS, Id: R01 HG005853
  • Agency: NHGRI NIH HHS, Id: R01HG005853-01

Mesh Terms

  • Acetylation
  • Amino Acid Sequence
  • DNA-Binding Proteins
  • Gene Deletion
  • Gene Expression Regulation, Fungal
  • Genomics
  • Histone Deacetylases
  • Histones
  • Molecular Sequence Data
  • Saccharomyces cerevisiae
  • Saccharomyces cerevisiae Proteins
  • Transcription Factors