Cited by 1,635Genomics and Chromatin DynamicsHistone Deacetylase Inhibitors ResearchEpigenetics and DNA Methylation

Functions of Site-Specific Histone Acetylation and Deacetylation

Shahbazian, Mona D., Grunstein, Michael·2007·Annual Review of Biochemistry

Abstract

Histone acetylation regulates many cellular processes, and specific acetylation marks, either singly or in combination, produce distinct outcomes. For example, the acetylation pattern on newly synthesized histones is important for their assembly into nucleosomes by histone chaperones. Additionally, the degree of chromatin compaction and folding may be regulated by acetylation of histone H4 at lysine 16. Histone acetylation also regulates the formation of heterochromatin; deacetylation of H4 lysine 16 is important for spreading of heterochromatin components, whereas acetylation of this site serves as a barrier to this spreading. Finally, histone acetylation is critical for gene transcription, but recent results suggest that deacetylation of certain sites also plays an important role. There are many histone acetyltransferases (HATs) and deacetylases, with differing preferences for the various histone proteins and for specific sites on individual histones. Determining how these enzymes create distinct acetylation patterns and regulate the functional outcome is an important challenge.

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Crossref · 10.1146/annurev.biochem.76.052705.162114

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3 of 3 references verified0 citation errors · 0 not checkable

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  • Histone acetylation at lysine residues on histones H3 and H4 generally promotes gene activation by loosening chromatin structure and facilitating recruitment of transcriptional regulators.

    “Histone acetylation, particularly at lysine residues on histones H3 and H4, generally promotes gene activation by loosening chromatin structure and facilitating the recruitment of transcriptional regulators (Shahbazian and Grunstein, 2007).”
  • Previous reports postulate that an intramolecular hydrogen bond between the amine and carbonyl must be broken to permit successful zinc chelation, and a desolvation penalty is paid for this rearrangement.

    “This is consistent with previous reports postulating that an intramolecular hydrogen bond between the amine and carbonyl must be broken to permit successful zinc chelation, and a desolvation penalty is paid for this rearrangement to occur (1, 25-28, 34).”
  • Acetyl-CoA serves as the substrate for histone acetyltransferase enzymes that modify histone tails and thereby shape the epigenetic state of chromatin.

    “Acetyl-CoA is also the substrate used by histone acetyl transferase (HAT) enzymes to modify histone tails as an integral determinant of the epigenetic state of chromatin in eukaryotic cells”

    From Influence of Metabolism on Epigenetics and Disease (2013) · cites this paper as Shahbazian and Grunstein, 2007

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Authors
Shahbazian, M. D., & Grunstein, M.
Affiliations
University of California, Los Angeles (US)
Venue
Annual Review of Biochemistry
Published
2007-06-07
Volume
76
Issue
1
Pages
75-100
ISSN
  • 0066-4154 (ISSN-L)
  • 1545-4509
OpenAlex
W2158747282
Cited by
1,635
References
3
Citations by year
2026: 49 · 2025: 58 · 2024: 81 · 2023: 67 · 2022: 95 · 2021: 95 · 2020: 99 · 2019: 78 · 2018: 75 · 2017: 99 · 2016: 97 · 2015: 80 · 2014: 101 · 2013: 111 · 2012: 99
FWCI
6.12
Type
journal article
Language
en
Open access
closed
Locations
  • Annual Review of Biochemistry (publishedVersion)
  • PubMed (publishedVersion)
Funders
National Institute of General Medical Sciences (GM42421, R01GM042421, GM23674)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics and Chromatin Dynamics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Histone Deacetylase Inhibitors Research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Epigenetics and DNA Methylation
Keywords
histone acetylation, histone deacetylation, histone acetyltransferase, histone deacetylase, histone chaperone, nucleosome assembly, chromatin condensation, heterochromatin, heterochromatin spreading, gene transcription, acetylation pattern
MeSH terms
Animals, Gene Expression Regulation, Heterochromatin, Histone Deacetylases, Histones, Humans, Multienzyme Complexes, Nucleic Acid Conformation, Nucleosomes, Substrate Specificity, Transcription, Genetic, Molecular Chaperones, Gene Silencing, Protein Subunits, Sirtuins, DNA Packaging, Histone Acetyltransferases

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