Genetics, Vol. 168, 547-551, September 2004, Copyright © 2004
doi:10.1534/genetics.104.028803

Importance of the Sir3 N Terminus and Its Acetylation for Yeast Transcriptional Silencing

Department of Biochemistry and Cell Biology, Stony Brook University, Stony Brook, New York 11794-5215

1 Corresponding author: Department of Biochemistry and Cell Biology, Stony Brook University, Stony Brook, NY 11794-5215.
E-mail: rolf{at}life.bio.sunysb.edu

The N-terminal alanine residues of the silencing protein Sir3 and of Orc1 are acetylated by the NatA N{alpha}-acetyltransferase. Mutations demonstrate that the N terminus of Sir3 is important for its function. Sir3 and, perhaps, also Orc1 are the NatA substrates whose lack of acetylation in ard1 and nat1 mutants explains the silencing defect of those mutants.




This article has been cited by other articles:


Home page
Proc. Natl. Acad. Sci. USAHome page
M. R. Koch and L. Pillus
From the Cover: The glucanosyltransferase Gas1 functions in transcriptional silencing
PNAS, July 7, 2009; 106(27): 11224 - 11229.
[Abstract] [Full Text] [PDF]


Home page
Proc. Natl. Acad. Sci. USAHome page
R. J. Burgess, M. P. Guy, and Z. Zhang
Fueling transcriptional silencing with Gas1
PNAS, July 7, 2009; 106(27): 10879 - 10880.
[Full Text] [PDF]


Home page
J. Bacteriol.Home page
M. A. Humbard, G. Zhou, and J. A. Maupin-Furlow
The N-Terminal Penultimate Residue of 20S Proteasome {alpha}1 Influences its N{alpha} Acetylation and Protein Levels as Well as Growth Rate and Stress Responses of Haloferax volcanii
J. Bacteriol., June 15, 2009; 191(12): 3794 - 3803.
[Abstract] [Full Text] [PDF]


Home page
Mol. Cell. Biol.Home page
B. Polevoda, J. Hoskins, and F. Sherman
Properties of Nat4, an N{alpha}-Acetyltransferase of Saccharomyces cerevisiae That Modifies N Termini of Histones H2A and H4
Mol. Cell. Biol., June 1, 2009; 29(11): 2913 - 2924.
[Abstract] [Full Text] [PDF]


Home page
Proc. Natl. Acad. Sci. USAHome page
T. Arnesen, P. Van Damme, B. Polevoda, K. Helsens, R. Evjenth, N. Colaert, J. E. Varhaug, J. Vandekerckhove, J. R. Lillehaug, F. Sherman, et al.
Proteomics analyses reveal the evolutionary conservation and divergence of N-terminal acetyltransferases from yeast and humans
PNAS, May 19, 2009; 106(20): 8157 - 8162.
[Abstract] [Full Text] [PDF]


Home page
Mol. Cell. Biol.Home page
V. Sampath, P. Yuan, I. X. Wang, E. Prugar, F. van Leeuwen, and R. Sternglanz
Mutational Analysis of the Sir3 BAH Domain Reveals Multiple Points of Interaction with Nucleosomes
Mol. Cell. Biol., May 15, 2009; 29(10): 2532 - 2545.
[Abstract] [Full Text] [PDF]


Home page
Mol. Cell. Biol.Home page
J. R. Buchberger, M. Onishi, G. Li, J. Seebacher, A. D. Rudner, S. P. Gygi, and D. Moazed
Sir3-Nucleosome Interactions in Spreading of Silent Chromatin in Saccharomyces cerevisiae
Mol. Cell. Biol., November 15, 2008; 28(22): 6903 - 6918.
[Abstract] [Full Text] [PDF]


Home page
GeneticsHome page
R. M. Raisner and H. D. Madhani
Genomewide Screen for Negative Regulators of Sirtuin Activity in Saccharomyces cerevisiae Reveals 40 Loci and Links to Metabolism
Genetics, August 1, 2008; 179(4): 1933 - 1944.
[Abstract] [Full Text] [PDF]


Home page
J. Cell Sci.Home page
H. Paradis, T. Islam, S. Tucker, L. Tao, S. Koubi, and R. L. Gendron
Tubedown associates with cortactin and controls permeability of retinal endothelial cells to albumin
J. Cell Sci., June 15, 2008; 121(12): 1965 - 1972.
[Abstract] [Full Text] [PDF]


Home page
Mol. Cell. Biol.Home page
T. van Welsem, F. Frederiks, K. F. Verzijlbergen, A. W. Faber, Z. W. Nelson, D. A. Egan, D. E. Gottschling, and F. van Leeuwen
Synthetic Lethal Screens Identify Gene Silencing Processes in Yeast and Implicate the Acetylated Amino Terminus of Sir3 in Recognition of the Nucleosome Core
Mol. Cell. Biol., June 1, 2008; 28(11): 3861 - 3872.
[Abstract] [Full Text] [PDF]


Home page
Clin. Cancer Res.Home page
D. T. Martin, R. L. Gendron, J. A. Jarzembowski, A. Perry, M. H. Collins, C. Pushpanathan, E. Miskiewicz, V. P. Castle, and H. Paradis
Tubedown Expression Correlates with the Differentiation Status and Aggressiveness of Neuroblastic Tumors
Clin. Cancer Res., March 1, 2007; 13(5): 1480 - 1487.
[Abstract] [Full Text] [PDF]


Home page
Mol. Cell. Biol.Home page
J. J. Connelly, P. Yuan, H.-C. Hsu, Z. Li, R.-M. Xu, and R. Sternglanz
Structure and Function of the Saccharomyces cerevisiae Sir3 BAH Domain
Mol. Cell. Biol., April 15, 2006; 26(8): 3256 - 3265.
[Abstract] [Full Text] [PDF]


Home page
Eukaryot CellHome page
R. Caesar, J. Warringer, and A. Blomberg
Physiological Importance and Identification of Novel Targets for the N-Terminal Acetyltransferase NatB
Eukaryot. Cell, February 1, 2006; 5(2): 368 - 378.
[Abstract] [Full Text] [PDF]


Home page
GeneticsHome page
A. Murthi and A. K. Hopper
Genome-Wide Screen for Inner Nuclear Membrane Protein Targeting in Saccharomyces cerevisiae: Roles for N-Acetylation and an Integral Membrane Protein
Genetics, August 1, 2005; 170(4): 1553 - 1560.
[Abstract] [Full Text] [PDF]


Home page
Cold Spring Harb Symp Quant BiolHome page
L. PILLUS and J. RINE
SIR1 and the Origin of Epigenetic States in Saccharomyces cerevisiae
Cold Spring Harb Symp Quant Biol, January 1, 2004; 69(0): 259 - 266.
[Abstract] [PDF]