ArticleIMA fungus2021
The Fungi-specific histone Acetyltransferase Rtt109 mediates morphogenesis, Aflatoxin synthesis and pathogenicity in Aspergillus flavus by acetylating H3K9.
Article in IMA fungus, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 25 papers.
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Who cites it
25 citing papers in PubMed, 30 citations in OpenAlex.
- Epigenetic maintenance of PRC2-repressed chromatin requires RTT109 but not H3K56 acetylation.PLoS genetics · 2026Article
- Histone Acetylation Dynamics Regulate Fungal Development, Pathogenicity, and Mycotoxin Biosynthesis.Journal of fungi (Basel, Switzerland) · 2026Review
- Antifungal resistance: from classical mechanisms to the expanding role of acetyltransferases.Journal of biomedical science · 2026Review
- D-limonene inhibits the growth of Fusarium proliferatum by decreasing H3K9ac and H3K27ac modifications.BMC genomics · 2025Article
- Epigenetic regulation of pathogenicity in fungi.Current genetics · 2025Review
- Article
- Regulation of Histone Acetylation Modification on Biosynthesis of Secondary Metabolites in Fungi.International journal of molecular sciences · 2024Review
- Research Progress on the Mechanism and Function of Histone Acetylation Regulating the Interaction between Pathogenic Fungi and Plant Hosts.Journal of fungi (Basel, Switzerland) · 2024Review
- Histone H3 N-Terminal Lysine Acetylation Governs Fungal Growth, Conidiation, and Pathogenicity through Regulating Gene Expression inJournal of fungi (Basel, Switzerland) · 2024Article
- Histone acetyltransferase Sas3 contributes to fungal development, cell wall integrity, and virulence inApplied and environmental microbiology · 2024Article
- Functional analysis of chromatin-associated proteins in Sordaria macrospora reveals similar roles for RTT109 and ASF1 in development and DNA damage response.G3 (Bethesda, Md.) · 2024Article
- Histone acetyltransferase Gcn5-mediated histone H3 acetylation facilitates cryptococcal morphogenesis and sexual reproduction.mSphere · 2023Article
- The KdmB-EcoA-RpdA-SntB (KERS) chromatin regulatory complex controls development, secondary metabolism and pathogenicity in Aspergillus flavus.Fungal genetics and biology : FG & B · 2023Article
- Histone post-translational modification and the DNA damage response.Genes & diseases · 2023Review
- Histone Acetyltransferase Rtt109 Regulates Development, Morphogenesis, and Citrinin Biosynthesis inJournal of fungi (Basel, Switzerland) · 2023Article
- RNA interference ofFrontiers in microbiology · 2023Article
- Genetic Regulation of Mycotoxin Biosynthesis.Journal of fungi (Basel, Switzerland) · 2022Review
- How to Completely Squeeze a Fungus-Advanced Genome Mining Tools for Novel Bioactive Substances.Pharmaceutics · 2022Review
- Post-translational modifications drive secondary metabolite biosynthesis in Aspergillus: a review.Environmental microbiology · 2022Review
- Regulatory Roles of Histone Modifications in Filamentous Fungal Pathogens.Journal of fungi (Basel, Switzerland) · 2022Review
Corrections and comments
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Authors and funding
6 authors at 1 institution in 1 country.
Funding
Abstract
Aspergillus flavus is a common saprophytic filamentous fungus that produces the highly toxic natural compound aflatoxin during its growth process. Synthesis of the aflatoxins, which can contaminate food crops causing huge losses to the agricultural economy, is often regulated by epigenetic modification, such as the histone acetyltransferase. In this study, we used Aspergillus flavus as an experimental model to construct the acetyltransferase gene rtt109 knockout strain (△rtt109) and its complementary strain (△rtt109·com) by homologous recombination. The growth of △rtt109 was significantly suppressed compared to the wild type (WT) strain and the △rtt109·com strain. The sclerotium of △rtt109 grew smaller, and the amount of sclerotia generated by △rtt109 was significantly reduced. The number of conidiums of △rtt109 was significantly reduced, especially on the yeast extract sucrose (YES) solid medium. The amount of aflatoxins synthesized by △rtt109 in the PDB liquid medium was significantly decreased We also found that the △rtt109 strain was extremely sensitive to DNA damage stress. Through the maize seed infection experiment, we found that the growth of △rtt109 on the surface of affected corn was largely reduced, and the amount of aerial mycelium decreased significantly, which was consistent with the results on the artificial medium. We further found that H3K9 was the acetylated target of Rtt109 in A. flavus. In conclusion, Rtt109 participated in the growth, conidium formation, sclerotia generation, aflatoxin synthesis, environmental stress response, regulation of infection of A. flavus. The results from this study of rtt109 showed data for acetylation in the regulation of life processes and provided a new thought regarding the prevention and control of A. flavus hazards.
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