Genome regulation across developmental trajectories (360G-Wellcome-217170_Z_19_Z)
To understand how the genome directs development, we need to know the cell-to-cell changes in genomic activity at individual loci and how changes are regulated. Advances in single-cell profiling provide a new ability to determine the regulatory configuration of individual cells genome-wide through profiling gene expression and chromatin accessibility. However, determining the connections between mother and daughter cells remains difficult. The invariant and known cell lineage of C. elegans solves this problem, making it possible with single-cell profiling to determine locus-specific activity in every cell from the zygote to the differentiated state. In Aim 1 we study the early events of genome quiescence, zygotic genome activation (ZGA), and lineage commitment by profiling all cells from the zygote to the 26-cell stage, and germ cells through their later ZGA. In Aim 2 we use the 20-cell intestine as a paradigm to study progression through a complete developmental trajectory. We will investigate mechanisms of key transitions and further study the relationship of activity patterns to genome 3D structure. In Aim 3, we focus on the impacts and regulation of active and PRC2/Polycomb chromatin domains. Our work will impact understanding of core principles of genome regulation relevant across animals.
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Grant Details
Amount Awarded | 2423363 |
Applicant Surname | Ahringer |
Approval Committee | Science Interview Panel |
Award Date | 2019-07-16T00:00:00+00:00 |
Financial Year | 2018/19 |
Grant Programme: Title | Investigator Award in Science |
Internal ID | 217170/Z/19/Z |
Lead Applicant | Prof Julie Ahringer |
Partnership Value | 2423363 |
Planned Dates: End Date | 2025-12-31T00:00:00+00:00 |
Planned Dates: Start Date | 2020-01-01T00:00:00+00:00 |
Recipient Org: Country | United Kingdom |
Region | East of England |