Boston University

Albert J Keung

Ahmad S Khalil

Minhee Park

Provided herein are engineered systems and methods for establishing DNA adenine methylation at specific genomic locations and using DNA adenine methylation as an artificial chemical 'handle' on the genome. These systems and methods allow for placing the handle on specific genomic locations as well as molecular technologies to bind, spatially spread, and maintain the handle. The systems described herein comprise, in some embodiments, three functional modules that mediate m6A operations: (1) a synthetic initiator module to place m6A at specific genomic sites; (2) a synthetic readout module to program m6A recognition and m6A-dependent transcriptional logic; and (3) propagation module that implements 'read-write,' a mechanism proposed to underlie chromatin spreading and epigenetic maintenance across cellular systems.

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Raleigh, NC, United States of America

Albert J Keung