Russian Journal of Genetics

, Volume 55, Issue 2, pp 163–171 | Cite as

The SWI/SNF Chromatin Remodeling Complex Is Involved in Spatial Organization of the ftz-f1 Gene Locus

  • J. V. NikolenkoEmail author
  • A. N. Krasnov
  • N. E. Vorobyeva


The ftz-f1 gene encodes a nuclear receptor that plays an important role in ontogenesis of Drosophila melanogaster. Transcription of this gene at the onset of metamorphosis occurs for a short period of time and is subjected to complex multistep regulation. Recently, in the distal part of the first intron of the ftz-f1 gene, we discovered a regulatory element with enhancer properties. In the present work, we continued the study of the chromatin properties in the ftz-f1 gene locus. Using the chromosome conformation capture method (3C), spatial interaction between promoter and intronic enhancer of the studied locus was detected. At the preparatory stage of gene transcription, knockdown of the SAYP subunit, which recruits the SWI/SNF complex to the ftz-f1 gene, caused considerable attenuation of this interaction. At the stage of active gene transcription, SAYP knockdown led to a considerable decrease in the level of histone H3 acetylation at position 27 on the promoter and enhancer. The data obtained indicate the important role of SWI/SNF in the formation of chromatin structure needed for adequate expression of the ftz-f1 gene and its important role in the intronic enhancer activity.


transcription regulation chromatin remodeling complex enhancer histone modifications ecdysone 



This study was supported by the Molecular and Cellular Biology Program of the Presidium of the Russian Academy of Sciences and by the Russian Foundation for Basic Research (grant nos. 14-04-01297, 17-04-01713, and 18-04-01019).


The authors declare that they have no conflict of interest. This article does not contain any studies involving animals or human participants performed by any of the authors.


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Copyright information

© Pleiades Publishing, Inc. 2019

Authors and Affiliations

  • J. V. Nikolenko
    • 1
    Email author
  • A. N. Krasnov
    • 1
  • N. E. Vorobyeva
    • 1
  1. 1.Institute of Gene Biology, Russian Academy of SciencesMoscowRussia

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