Objective
In spite of intense investigations, it remains unclear whether and how the interaction between promoters and distant enhancers has an instructive role in transcription. I will tackle this question by tracking the spatial and temporal dynamics of gene regulatory sequences alongside nascent transcription during the critical biological event that is the mitosis-to-interphase transition in live cells. During mitosis, chromatin undergoes a massive reorganization, resulting in the loss of long-range interactions, the displacement of transcription factors, and a global reduction in transcription. The re-establishment of interphase gene expression programs is essential for the maintenance (or a chance for the change) of cell identity; however, the molecular mechanism of such re-establishment is an unsolved biological problem. Previous studies, largely relying on fixed cells and next-generation sequencing technologies, have not captured the dynamic nature of these events. I will use state-of-the-art genome engineering and live imaging technologies in proliferating mouse embryonic stem cells to simultaneously monitor the movement of regulatory sequences and the re-initiation of transcription at key pluripotency genes at the exit from mitosis, as well as test the role of mitotically-retained transcription factors. This project, termed DynaMitE, will address the burning question of how genome folding influences transcription within a physiological context of transcription re-activation, and will uncover mechanistic insights into the restoration of interphase gene expression with unparalleled temporal resolution in single cells.
Importantly, by achieving the objectives of DynaMitE within the host laboratory, I will complement my expertise in genomics and developmental biology with advanced skills in cutting edge microscopy, image analysis and a biophysical lens on gene regulation, shaping the profile of the future group leader I aspire to be.
Fields of science (EuroSciVoc)
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: https://op.europa.eu/en/web/eu-vocabularies/euroscivoc.
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: https://op.europa.eu/en/web/eu-vocabularies/euroscivoc.
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Keywords
Programme(s)
- HORIZON.1.2 - Marie Skłodowska-Curie Actions (MSCA) Main Programme
Funding Scheme
HORIZON-TMA-MSCA-PF-EF - HORIZON TMA MSCA Postdoctoral Fellowships - European FellowshipsCoordinator
75724 Paris
France