ArticleScience advances2024
Reversible strain-promoted DNA polymerization.
Article in Science advances, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Diffraction-quality, ultraflexible protein single crystals engineered with DNA.Science advances · 2026Article
- Tryptophan Bioconjugation through Auxiliary Boron-Accelerated, Additive-Free Friedel-Crafts Alkylation.JACS Au · 2026Article
- Inverse Design of DNA-Programmable Protein Colloidal Crystals.Journal of the American Chemical Society · 2025Article
- Biomineralization of semiconductor quantum dots using DNA-functionalized protein nanoreactors.Science advances · 2025Article
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Authors and funding
5 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Molecular strain can be introduced to influence the outcome of chemical reactions. Once a thermodynamic product is formed, however, reversing the course of a strain-promoted reaction is challenging. Here, a reversible, strain-promoted polymerization in cyclic DNA is reported. The use of nonhybridizing, single-stranded spacers as short as a single nucleotide in length can promote DNA cyclization. Molecular strain is generated by duplexing the spacers, leading to ring opening and subsequent polymerization. Then, removal of the strain-generating duplexers triggers depolymerization and cyclic dimer recovery via enthalpy-driven cyclization and entropy-mediated ring contraction. This reversibility is retained even when a protein is conjugated to the DNA strands, and the architecture of the protein assemblies can be modulated between bivalent and polyvalent states. This work underscores the utility of using DNA not only as a programmable ligand for assembly but also as a route to access restorable bonds, thus providing a molecular basis for DNA-based materials with shape-memory, self-healing, and stimuli-responsive properties.
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