ArticleJournal of cell science2022
Chiffon triggers global histone H3 acetylation and expression of developmental genes in Drosophila embryos.
Article in Journal of cell science, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed, 7 citations in OpenAlex.
- The timing of maternal protein degradation during mammalian preimplantation development is species-specific.Reproduction (Cambridge, England) · 2025Article
- Epigenetic inheritance and gene expression regulation in early Drosophila embryos.EMBO reports · 2024Review
- Prenatal LPS leads to increases in RAS expression within the PVN and overactivation of sympathetic outflow in offspring rats.Hypertension research : official journal of the Japanese Society of Hypertension · 2024Article
- H3K14ac facilitates the reinstallation of constitutive heterochromatin inProceedings of the National Academy of Sciences of the United States of America · 2024Article
- The interaction between the Dbf4 ortholog Chiffon and Gcn5 is conserved in Dipteran insect species.Insect molecular biology · 2022Article
Corrections and comments
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Authors and funding
4 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The histone acetyltransferase Gcn5 is critical for gene expression and development. In Drosophila, Gcn5 is part of four complexes (SAGA, ATAC, CHAT and ADA) that are essential for fly viability and have key roles in regulating gene expression. Here, we show that although the SAGA, ADA and CHAT complexes play redundant roles in embryonic gene expression, the insect-specific CHAT complex uniquely regulates expression of a subset of developmental genes. We also identify a substantial decrease in histone acetylation in chiffon mutant embryos that exceeds that observed in Ada2b, suggesting broader roles for Chiffon in regulating histone acetylation outside of the Gcn5 complexes. The chiffon gene encodes two independent polypeptides that nucleate formation of either the CHAT or Dbf4-dependent kinase (DDK) complexes. DDK includes the cell cycle kinase Cdc7, which is necessary for maternally driven DNA replication in the embryo. We identify a temporal switch between the expression of these chiffon gene products during a short window during the early nuclear cycles in embryos that correlates with the onset of zygotic genome activation, suggesting a potential role for CHAT in this process. This article has an associated First Person interview with the first author of the paper.
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