The Drosophila Zinc Finger Proteins Aef1 and CG10543 Are Co-Localized with SAGA, SWI/SNF, and ORC Complexes on Gene Promoters and Involved in Transcription Regulation

IF 1.5 4区 生物学 Q4 BIOCHEMISTRY & MOLECULAR BIOLOGY Molecular Biology Pub Date : 2024-08-07 DOI:10.1134/s0026893324700286
J. V. Nikolenko, M. M. Kurshakova, D. V. Kopytova, Y. A. Vdovina, N. E. Vorobyova, A. N. Krasnov
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Abstract

In previous studies, we purified the DUB-module of the Drosophila SAGA complex and showed that a number of zinc proteins interact with it, including Aef1 and CG10543. In this work, we conducted a genome-wide study of the Aef1 and CG10543 proteins and showed that they are localized predominantly on the promoters of active genes. The binding sites of these proteins co-localize with the SAGA and dSWI/SNF chromatin modification and remodeling complexes, as well as with the ORC replication complex. It has been shown that the Aef1 and CG10543 proteins are involved in the regulation of the expression of some genes on the promoters of which they are located. Thus, the Aef1 and CG10543 proteins are new participants in the cell transcriptional network and co-localize with the main transcription and replication complexes of Drosophila.

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果蝇锌指蛋白 Aef1 和 CG10543 与基因启动子上的 SAGA、SWI/SNF 和 ORC 复合物共定位并参与转录调控
摘要 在之前的研究中,我们纯化了果蝇SAGA复合体的DUB模块,并发现了一些锌蛋白与之相互作用,其中包括Aef1和CG10543。在这项工作中,我们对 Aef1 和 CG10543 蛋白进行了全基因组范围的研究,结果表明它们主要定位于活性基因的启动子上。这些蛋白的结合位点与 SAGA 和 dSWI/SNF 染色质修饰和重塑复合体以及 ORC 复制复合体共定位。研究表明,Aef1 和 CG10543 蛋白参与了它们所在启动子上某些基因的表达调控。因此,Aef1 和 CG10543 蛋白是细胞转录网络的新参与者,并与果蝇的主要转录和复制复合体共定位。
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来源期刊
Molecular Biology
Molecular Biology 生物-生化与分子生物学
CiteScore
1.30
自引率
8.30%
发文量
78
审稿时长
3 months
期刊介绍: Molecular Biology is an international peer reviewed journal that covers a wide scope of problems in molecular, cell and computational biology including genomics, proteomics, bioinformatics, molecular virology and immunology, molecular development biology, molecular evolution and related areals. Molecular Biology publishes reviews, experimental and theoretical works. Every year, the journal publishes special issues devoted to most rapidly developing branches of physical-chemical biology and to the most outstanding scientists.
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