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9:45-10:50 AM
DNAA-301-2: DNA Data Storage Part 2 (DNA Data Storage Track)
Paper Title: DNA Sequencing at Scale

Paper Abstract: DNA-based data storage systems have the potential to offer unprecedented increases in density and longevity over conventional storage media. Starting from the assumption that advances in synthesis and sequencing technology will soon make DNA-based storage cost competitive with conventional media, we will need ways of organizing, accessing, and manipulating the data stored in DNA to harness its full potential. There are a range of possible storage system designs. This talk will cover three systems that the speaker co-developed and prototyped at NC State / DNAli Data Technologies. First, we'll show how we expanded the set of uniquely addressable files by nesting primers, the chemical labels that identify each file, to ensure that system capacity can reach the high densities afforded by DNA. Second, in our File Preview system, we exploit the thermodynamics of primer bindings to create a new file access operation that allows either full or partial access of a file's data, thereby saving sequencing bandwidth when a partial file read is sufficient. While the first two systems rely on double-stranded DNA, the third system, DORIS, is comprised of a T7 promoter and a single-stranded overhang domain (ss-dsDNA). The overhang serves as a physical address for accessing specific DNA strands as well as enabling a range of in-storage file operations like renaming and deletion. Meanwhile, the T7 promoter enables repeatable information access by transcribing information from DNA without destroying it.

Paper Author: Boyan Boyanov, Senior Principal Scientist, Illumina

Author Bio: