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An autonomous molecular assembler for programmable chemical synthesis
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An autonomous molecular assembler for programmable chemical synthesis
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Journal Article
An autonomous molecular assembler for programmable chemical synthesis
2016
Overview
Molecular machines that assemble polymers in a programmed sequence are fundamental to life. They are also an achievable goal of nanotechnology. Here, we report synthetic molecular machinery made from DNA that controls and records the formation of covalent bonds. We show that an autonomous cascade of DNA hybridization reactions can create oligomers, from building blocks linked by olefin or peptide bonds, with a sequence defined by a reconfigurable molecular program. The system can also be programmed to achieve combinatorial assembly. The sequence of assembly reactions and thus the structure of each oligomer synthesized is recorded in a DNA molecule, which enables this information to be recovered by PCR amplification followed by DNA sequencing.
Molecular machines that assemble polymers in a programmed sequence are fundamental to life. Now, synthetic machinery built from DNA has been used to execute a molecular program that produces peptides, or olefin oligomers, with a defined sequence. The oligomeric product is linked to a double-stranded DNA product that records the sequence of reactions that were executed.
