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Microbiology and Molecular Biology Reviews, June 2000, p. 435-459, Vol. 64, No. 2
1092-2172/00/$04.00+0
Copyright © 2000, American Society for Microbiology. All rights reserved.

Acetylation of Histones and Transcription-Related Factors

David E. Sterner and Shelley L. Berger*

The Wistar Institute, Philadelphia, Pennsylvania 19104

The state of chromatin (the packaging of DNA in eukaryotes) has long been recognized to have major effects on levels of gene expression, and numerous chromatin-altering strategies---including ATP-dependent remodeling and histone modification---are employed in the cell to bring about transcriptional regulation. Of these, histone acetylation is one of the best characterized, as recent years have seen the identification and further study of many histone acetyltransferase (HAT) proteins and their associated complexes. Interestingly, most of these proteins were previously shown to have coactivator or other transcription-related functions. Confirmed and putative HAT proteins have been identified from various organisms from yeast to humans, and they include Gcn5-related N-acetyltransferase (GNAT) superfamily members Gcn5, PCAF, Elp3, Hpa2, and Hat1: MYST proteins Sas2, Sas3, Esa1, MOF, Tip60, MOZ, MORF, and HBO1; global coactivators p300 and CREB-binding protein; nuclear receptor coactivators SRC-1, ACTR, and TIF2; TATA-binding protein-associated factor TAFII250 and its homologs; and subunits of RNA polymerase III general factor TFIIIC. The acetylation and transcriptional functions of these HATs and the native complexes containing them (such as yeast SAGA, NuA4, and possibly analogous human complexes) are discussed. In addition, some of these HATs are also known to modify certain nonhistone transcription-related proteins, including high-mobility-group chromatin proteins, activators such as p53, coactivators, and general factors. Thus, we also detail these known factor acetyltransferase (FAT) substrates and the demonstrated or potential roles of their acetylation in transcriptional processes.

* Corresponding author. Mailing address: The Wistar Institute, 3601 Spruce St., Philadelphia, PA 19104. Phone: (215) 898-3922. Fax: (215) 898-0663. E-mail: berger{at}wistar.upenn.edu.

Microbiology and Molecular Biology Reviews, June 2000, p. 435-459, Vol. 64, No. 2
1092-2172/00/$04.00+0
Copyright © 2000, American Society for Microbiology. All rights reserved.


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