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The Drosophila CG9890 Protein is Involved in the Regulation of Ecdysone-Dependent Transcription

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Abstract

Previously we showed that the CG9890 protein, which has zinc finger domains, interacts with ENY2-containing complexes and is localized mainly on the promoters of active genes. The CG9890 protein is involved in the regulation of the expression of some of the genes on the promoters of which it is located, and among these genes there are genes for the ecdysone cascade. In this work, the role of the CG9890 protein in the regulation of ecdysone-dependent inducible transcription was studied. For this, 12 ecdysone-dependent genes on the promoters of which the CG9890 protein is localized were identified. Their activation was studied after the addition of 20-hydroxyecdysone to cells, both in normal conditions and after RNA interference of CG9890. The expression of ecdysone-dependent genes is significantly increased in response to the treatment of cells with ecdysone, in contrast to the control genes. Moreover, in the cell line after RNA interference CG9890, the transcription of 8 out of 12 genes was significantly higher than in the control line. Thus, the CG9890 protein is involved in the regulation of transcription of ecdysone-dependent genes, and, in most cases, acts as a repressor.

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ACKNOWLEDGMENTS

The work was performed using the equipment of the Central Collective Use Center of the IBG RAS.

Funding

The study was financed by the Russian Science Foundation (project no. 20-14-00269).

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Authors and Affiliations

  1. Institute of Gene Biology Russian Academy of Sciences, 119334, Moscow, Russia

    J. V. Nikolenko, N. A. Fursova, M. Y. Mazina, N. E. Vorobyeva & A. N. Krasnov

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  1. J. V. Nikolenko
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  2. N. A. Fursova
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  3. M. Y. Mazina
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  4. N. E. Vorobyeva
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  5. A. N. Krasnov
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Corresponding author

Correspondence to A. N. Krasnov.

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The authors declare they have no conflicts of interest. In this work, humans and animals were not used as research objects.

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Nikolenko, J.V., Fursova, N.A., Mazina, M.Y. et al. The Drosophila CG9890 Protein is Involved in the Regulation of Ecdysone-Dependent Transcription. Mol Biol 56, 517–522 (2022). https://doi.org/10.1134/S0026893322040082

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  • DOI: https://doi.org/10.1134/S0026893322040082

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