Cited by 90Histone Deacetylase Inhibitors ResearchGenomics and Chromatin DynamicsFungal and yeast genetics research

Histone deacetylases in fungi: novel members, new facts

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Trojer, P.·2003·Nucleic Acids Research

Abstract

Acetylation is the most prominent modification on core histones that strongly affects nuclear processes such as DNA replication, DNA repair and transcription. Enzymes responsible for the dynamic equilibrium of histone acetylation are histone acetyltransferases (HATs) and histone deacetylases (HDACs). In this paper we describe the identification of novel HDACs from the filamentous fungi Aspergillus nidulans and the maize pathogen Cochliobolus carbonum. Two of the enzymes are homologs of Saccharomyces cerevisiae HOS3, an enzyme that has not been identified outside of the established yeast systems until now. One of these homologs, HosB, showed intrinsic HDAC activity and remarkable resistance against HDAC inhibitors like trichostatin A (TSA) when recombinant expressed in an Escherichia coli host system. Phylo genetic analysis revealed that HosB, together with other fungal HOS3 orthologs, is a member of a separate group within the classical HDACs. Immunological investigations with partially purified HDAC activities of Aspergillus showed that all classical enzymes are part of high molecular weight complexes and that a TSA sensitive class 2 HDAC constitutes the major part of total HDAC activity of the fungus. However, further biochemical analysis also revealed an NAD(+)-dependent activity that could be separated from the other activities by different types of chromatography and obviously represents an enzyme of the sirtuin class.

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  1. [30]Dangl M., Lusser,A., Brosch,G., Loidl,A., Haas,H. and Loidl,P. (1998) Second family of histone deacetylases: response. Science, 280, 1167a. [[Google Scholar](https://scholar.google.com/scholar_lookup?journal=Science&author=M.%20Dangl&volume=280&pages=1167a&)]
  2. [42]Sambrook J., Fritsch,E.F. and Maniatis,T. (1989) Molecular Cloning: A Laboratory Manual, 2nd Ed. Cold Spring Harbor Laboratory Press, New York. [[Google Scholar](https://scholar.google.com/scholar_lookup?title=Molecular%20Cloning:%20A%20Laboratory%20Manual,%202nd%20Ed.&author=J.%20Sambrook&)]

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Authors
Trojer, P.
Affiliations
Universität Innsbruck (AT)
Corresponding author
Trojer, P.
Venue
Nucleic Acids Research
Published
2003-07-15
Volume
31
Issue
14
Pages
3971-3981
ISSN
  • 0305-1048 (ISSN-L)
  • 1362-4962
OpenAlex
W2113032400
Cited by
86
References
52
Citations by year
2026: 3 · 2025: 2 · 2024: 9 · 2023: 5 · 2022: 4 · 2021: 7 · 2020: 5 · 2019: 7 · 2018: 4 · 2017: 4 · 2016: 6 · 2015: 4 · 2014: 6 · 2012: 3
FWCI
0.92
Type
journal article
Language
en
Open access
Locations
  • Nucleic Acids Research (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Histone Deacetylase Inhibitors Research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics and Chromatin Dynamics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Fungal and yeast genetics research
Keywords
histone deacetylase, histone acetylation, Aspergillus nidulans, Cochliobolus carbonum, histone deacetylase inhibitors, sirtuins, NAD+-dependent deacetylation, filamentous fungi, histone acetyltransferase
MeSH terms
Amino Acid Sequence, Ascomycota, Aspergillus nidulans, DNA, Fungal, Escherichia coli, Histone Deacetylases, Isoenzymes, Molecular Sequence Data, Phylogeny, Precipitin Tests, Recombinant Proteins, Immunoblotting, Gene Expression Regulation, Fungal, Gene Expression Regulation, Enzymologic, Sequence Alignment, Sequence Homology, Amino Acid, Sequence Analysis, DNA

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