The activity of genes is controlled by regulatory DNA sequences, which interact and communicate with their target genes over long genomic distances. New analyses show that the Mediator complex contributes to the formation of these long-range interactions in the genome.
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References
Krijger, P. H. L. & de Laat, W. Regulation of disease-associated gene expression in the 3D genome. Nat. Rev. Mol. Cell Biol. 17, 771–782 (2016). This review article is about long-range interactions in the genome and their relevance in development and disease.
Richter, W. F., Nayak, S., Iwasa, J. & Taatjes, D. The Mediator complex as a master regulator of transcription by RNA polymerase II. Nat. Rev. Mol. Cell Biol. 23, 732–749 (2022). This review article is about the Mediator complex.
Jaeger, M. G. et al. Selective Mediator dependence of cell-type-specifying transcription. Nat. Genet. 52, 719–727 (2020). This paper presents an approach for rapid depletion of Mediator and characterizes the role of Mediator in transcription regulation.
Aljahani, A. et al. Analysis of sub-kilobase chromatin topology reveals nano-scale regulatory interactions with variable dependence on cohesin and CTCF. Nat. Commun. 13, 2139 (2022).
Hua, P. et al. Defining genome architecture at base-pair resolution. Nature 595, 125–129 (2021). These papers (refs. 4,5) present high-resolution approaches for the analysis of regulatory interactions in the genome.
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This is a summary of: Ramasamy, S. et al. The Mediator complex regulates enhancer-promoter interactions. Nat. Struct. Mol. Biol. https://doi.org/10.1038/s41594-023-01027-2 (2023).
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The Mediator complex regulates long-range communication in the genome. Nat Struct Mol Biol 30, 876–877 (2023). https://doi.org/10.1038/s41594-023-01028-1
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DOI: https://doi.org/10.1038/s41594-023-01028-1