Cited by 65Histone Deacetylase Inhibitors ResearchFungal and yeast genetics researchGenomics and Chromatin Dynamics

A Novel Motif in Fungal Class 1 Histone Deacetylases Is Essential for Growth and Development of Aspergillus

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Tribus, Martin, Bauer, Ingo, Galehr, Johannes, Rieser, Gudrun, Trojer, Patrick, Brosch, Gerald, Loidl, Peter, Haas, Hubertus +1 more·2010·Molecular Biology of the Cell

Abstract

Acetylation of the N-terminal tails of core histones is an important regulatory mechanism in eukaryotic organisms. In filamentous fungi, little is known about the enzymes that modify histone tails. However, it is increasingly evident that histone deacetylases and histone acetyltransferases are critical factors for the regulation of genes involved in fungal pathogenicity, stress response, and production of secondary metabolites such as antibiotics or fungal toxins. Here, we show that depletion of RpdA, an RPD3-type histone deacetylase of Aspergillus nidulans, leads to a pronounced reduction of growth and sporulation of the fungus. We demonstrate that a so far unnoticed motif in the C terminus of fungal RpdA histone deacetylases is required for the catalytic activity of the enzyme and consequently is essential for the viability of A. nidulans. Moreover, we provide evidence that this motif is also crucial for the survival of other, if not all, filamentous fungi, including pathogens such as Aspergillus fumigatus or Cochliobolus carbonum. Thus, the extended C terminus of RpdA-type enzymes represents a promising target for fungal-specific histone deacetylase-inhibitors that may have potential as novel antifungal compounds with medical and agricultural applications.

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Authors
Tribus, M., Bauer, I., Galehr, J., Rieser, G., Trojer, P., Brosch, G., Loidl, P., Haas, H., & Graessle, S.
Affiliations
Innsbruck Medical University (AT)
Corresponding author
Graessle, Stefan
Venue
Molecular Biology of the Cell
Published
2010-01-15
Volume
21
Issue
2
Pages
345-353
ISSN
  • 1059-1524 (ISSN-L)
  • 1939-4586
OpenAlex
W2118449874
Cited by
63
References
61
Citations by year
2026: 1 · 2024: 4 · 2023: 6 · 2022: 8 · 2021: 3 · 2020: 5 · 2019: 8 · 2018: 3 · 2017: 2 · 2016: 2 · 2015: 3 · 2014: 5 · 2013: 4 · 2012: 4
FWCI
1.21
Type
journal article
Language
en
Open access
Locations
  • Molecular Biology of the Cell (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 › Fungal and yeast genetics research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics and Chromatin Dynamics
Keywords
histone deacetylase, Aspergillus nidulans, Aspergillus fumigatus, Cochliobolus carbonum, histone acetylation, C-terminal motif, catalytic activity, sporulation, fungal growth, antifungal drug targets, histone deacetylase inhibitors, filamentous fungi
MeSH terms
Acetylation, Amino Acid Sequence, Aspergillus fumigatus, Aspergillus nidulans, Fungal Proteins, Genotype, Histone Deacetylases, Histones, Molecular Sequence Data, Phenotype, Structure-Activity Relationship, Transcription, Genetic, Conserved Sequence, Amino Acid Motifs

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