ArticleInsect molecular biology2022
The interaction between the Dbf4 ortholog Chiffon and Gcn5 is conserved in Dipteran insect species.
Article in Insect molecular biology, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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1 citing paper in PubMed, 1 citations in OpenAlex.
- The interaction between the Dbf4 ortholog Chiffon and Gcn5 is conserved in Dipteran insect species.Insect molecular biology · 2022Article
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7 authors at 1 institution in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
Chiffon is the sole Drosophila ortholog of Dbf4, the regulatory subunit for the cell-cycle kinase Cdc7 that initiates DNA replication. In Drosophila, the chiffon gene encodes two polypeptides with independent activities. Chiffon-A contains the conserved Dbf4 motifs and interacts with Cdc7 to form the Dbf4-dependent Kinase (DDK) complex, which is essential for a specialized form of DNA replication. In contrast, Chiffon-B binds the histone acetyltransferase Gcn5 to form the Chiffon histone acetyltransferase (CHAT) complex, which is necessary for histone H3 acetylation and viability. Previous studies have shown that the Chiffon-B region is only present within insects. However, it was unclear how widely the interaction between Chiffon-B and Gcn5 was conserved among insect species. To examine this, we performed yeast two-hybrid assays using Chiffon-B and Gcn5 from a variety of insect species and found that Chiffon-B and Gcn5 interact in Diptera species such as Australian sheep blowfly and yellow fever mosquito. Protein domain analysis identified that Chiffon-B has features of acidic transcriptional activators such as Gal4 or VP16. We propose that the CHAT complex plays a critical role in a biological process that is unique to Dipterans and could therefore be a potential target for pest control strategies.
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