In this episode of the Epigenetics Podcast, we caught up with Yad Ghavi-Helm from the Institut de Génomique Functionnelle de Lyon to talk about her work on enhancer-promoter interactions during development.
The Laboratory of Yad Ghavi-Helm focuses on how developmental genes are regulated by enhancers. Their work shows that developmental genes are often regulated by more than one enhancer and that those enhancers can often be located many kilobases away on the linear chromosome. Furthermore, their research also indicates that the interactions between promoters and their respective enhancers are usually established before the expression of the target gene is switched on, and that those interactions are generally stable during embryogenesis. In addition, those stable interactions seem to coincide with paused RNA Pol II being located at those promoters before gene activation.
References
Ghavi-Helm, Y., Michaut, M., Acker, J., Aude, J.-C., Thuriaux, P., Werner, M., & Soutourina, J. (2008). Genome-wide location analysis reveals a role of TFIIS in RNA polymerase III transcription. Genes & Development, 22(14), 1934–1947. https://doi.org/10.1101/gad.471908
Ghavi-Helm, Y., Klein, F. A., Pakozdi, T., Ciglar, L., Noordermeer, D., Huber, W., & Furlong, E. E. M. (2014). Enhancer loops appear stable during development and are associated with paused polymerase. Nature, 512(7512), 96–100. https://doi.org/10.1038/nature13417
Ghavi-Helm, Y., Jankowski, A., Meiers, S., Viales, R. R., Korbel, J. O., & Furlong, E. E. M. (2019). Highly rearranged chromosomes reveal uncoupling between genome topology and gene expression. Nature Genetics, 51(8), 1272–1282. https://doi.org/10.1038/s41588-019-0462-3
Related Episodes
Ultraconserved Enhancers and Enhancer Redundancy (Diane Dickel)
Unraveling Mechanisms of Chromosome Formation (Job Dekker)
Biophysical Modeling of 3-D Genome Organization (Leonid Mirny)
Contact
Active Motif on Twitter
Epigenetics Podcast on Twitter
Active Motif on LinkedIn
Active Motif on Facebook
Email: podcast@activemotif.com
Anchor-Based Bisulfite Sequencing (Ben Delatte)
Enhancer Communities in Adipocyte Differentiation (Susanne Mandrup)
Transposable Elements in Gene Regulation and Evolution (Marco Trizzino)
Hydroxymethylation Landscape in Immunecells (Marcela Sjöberg)
Single Cell Epigenomics in Neuronal Development (Tim Petros)
Oncohistones as Drivers of Pediatric Brain Tumors (Nada Jabado)
Characterization of Epigenetic States in the Oligodendrocyte Lineage (Gonçalo Castelo-Branco)
Multiple challenges of ATAC-Seq, Points to Consider (Yuan Xue)
The Effect of lncRNAs on Chromatin and Gene Regulation (John Rinn)
Epigenetic Clocks and Biomarkers of Ageing (Morgan Levine)
Epigenetic and Metabolic Regulation of Early Development (Jan Żylicz)
Multiple challenges of CUT&Tag (Cassidee McDonough, Kyle Tanguay)
The Role of Histone Dopaminylation and Serotinylation in Neuronal Plasticity (Ian Maze)
The Role of Blimp-1 in Immune-Cell Differentiation (Erna Magnúsdóttir)
Multimodal Characterization of Cellular Identity | CITE-Seq and Beyond (Peter Smibert, VP of 10X Genomics)
The Effect of Mechanotransduction on Chromatin Structure and Transcription in Stem Cells (Sara Wickström)
Single-Cell Technologies using Microfluidics (Ben Hindson, CSO of 10x Genomics)
Epigenome-based Precision Medicine (Eleni Tomazou)
Epigenetics and Epitranscriptomics in Cancer (Manel Esteller)
Create your
podcast in
minutes
It is Free
DNA Today: A Genetics Podcast
Museum of the Missing
Strange by Nature Podcast
Sasquatch Chronicles
Hidden Brain