Project Grant 2448313

Award Date 8/1/25
Completion Date 7/31/29
Dollars Obligated $375K
Federal Grant Program
47.074
Assistance Type
Project Grant
Place of Performance
La Jolla, CA 92093, USA
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This Project Grant award of $374,999.00 from the National Science Foundation's Biological Sciences (CFDA 47.074) Federal Grant Program supports research to investigate the mechanisms that enable analog information storage in the chromatin state of cells. The University of California, San Diego (UCSD) is the primary awardee and will collaborate with the Massachusetts Institute of Technology on this 4-year project.

The key objectives are to develop a model-driven understanding of how the positive feedback loop between DNA methylation and histone H3 lysine 9 trimethylation determines whether gene expression memory is binary or analog. The researchers plan to engineer analog memory in cell lines where memory is normally binary, and monitor gene expression during neural stem cell differentiation to validate the emergence of analog memory. This research could unlock new possibilities for differentiating pluripotent stem cells and creating advanced organoids for regenerative medicine applications. The project will also provide training opportunities for graduate and undergraduate students in mammalian synthetic biology, chromatin regulation, and mathematical modeling.

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