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1 Sprott Center for Stem Cell Research, Ottawa Hospital Research Institute, Ottawa, ON, Canada.
2 Sprott Center for Stem Cell Research, Ottawa Hospital Research Institute, Ottawa, ON, Canada; UW-Madison Blood Research Program, Department of Cell and Regenerative Biology, Wisconsin Institutes for Medical Research, University of Wisconsin-Madison, Madison, WI, USA. Electronic address: mbrand3@wisc.edu.
1 Sprott Center for Stem Cell Research, Ottawa Hospital Research Institute, Ottawa, ON, Canada.
2 Sprott Center for Stem Cell Research, Ottawa Hospital Research Institute, Ottawa, ON, Canada; UW-Madison Blood Research Program, Department of Cell and Regenerative Biology, Wisconsin Institutes for Medical Research, University of Wisconsin-Madison, Madison, WI, USA. Electronic address: mbrand3@wisc.edu.
Enhancers are known for their role in mediating transcriptional activation. In this issue, Vermunt et al.1 report the unexpected finding that genes can undergo a sequential transition between distinct enhancers to mediate progressive downregulation of expression.
Declaration of interests The authors declare no competing interests.
Figures
Figure 1.
An illustration of the mechanisms…
Figure 1.
An illustration of the mechanisms that gradually repress transcription via formation of an…
Figure 1.
An illustration of the mechanisms that gradually repress transcription
via formation of an enhancer-like element within intronic regions of the
targeted gene. Created with BioRender.com
Vermunt MW, Luan J, Zhang Z, Thrasher AJ, Huang A, Saari MS, Khandros E, Beagrie RA, Zhang S, Vemulamada P, Brilleman M, Lee K, Yano JA, Giardine BM, Keller CA, Hardison RC, Blobel GA.Vermunt MW, et al.Mol Cell. 2023 Mar 2;83(5):715-730.e6. doi: 10.1016/j.molcel.2023.02.006.Mol Cell. 2023.PMID: 36868189Free PMC article.
References
Vermunt MW, Luan J, Zhang Z, Thrasher AJ, Huang A, Saari M, Khandros E, Beagrie R, Zhang S, Vemulamada P, et al. (2023). Gene silencing dynamics are modulated by transiently active regulatory elements. Molecular Cell in press.
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Bartman CR, Hsu SC, Hsiung CC, Raj A, and Blobel GA (2016). Enhancer Regulation of Transcriptional Bursting Parameters Revealed by Forced Chromatin Looping. Mol Cell 62, 237–247.
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Zuin J, Roth G, Zhan Y, Cramard J, Redolfi J, Piskadlo E, Mach P, Kryzhanovska M, Tihanyi G, Kohler H, et al. (2022). Nonlinear control of transcription through enhancer-promoter interactions. Nature 604, 571–577.
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