Seth Shipman and his team develop innovative strategies to manipulate cells for discovery and therapeutic purposes. As a general principle, they build new technologies to intervene in human disease using molecular parts sourced from bacteria. For instance, Shipman’s team developed a way to record the order in which genes turn on in a living cell by co-opting two different bacterial immune systems, the retron system and the CRISPR system. His team plans to use that technology to understand how the order of gene expression during development drives the formation of different cells types and tissues. They are also working to improve the precision of genome editing technologies that will be used to correct disease-causing mutations, by using bacterial retroelements alongside CRISPR-Cas9.
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The philosophy driving Shipman’s research is to identify a technical limitation in a given field and tackle it with innovative approaches borrowing from diverse fields, such as bioengineering, genetics, systems and synthetic biology, neuroscience, microbiology, and chemical biology. With this mindset, Shipman addresses the fundamental question of the relative timing of gene expression with a technology that logs a record of sequential events in the DNA of living cells. The lab also harnesses molecular components from bacterial immune systems to make precise modifications to the human genome.
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