A replicable tetrahedral nanostructure self-assembled from a single DNA strand.

Abstract

We report the design and construction of a nanometer-sized tetrahedron from a single strand of DNA that is 286 nucleotides long. The formation of the tetrahedron was verified by restriction enzyme digestion, Ferguson analysis, and atomic force microscopy (AFM) imaging. We further demonstrate that synthesis of the tetrahedron can be easily scaled up through in vivo replication using standard molecular cloning techniques. We found that the in vivo replication efficiency of the tetrahedron is significantly higher in comparison to in vitro replication using rolling-circle amplification (RCA). Our results suggest that it is now possible to design and replicate increasingly complex, single-stranded DNA nanostructures in vivo.

DOI: 10.1021/ja903768f

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Cite this paper

@article{Li2009ART, title={A replicable tetrahedral nanostructure self-assembled from a single DNA strand.}, author={Zhe Li and Bryan Wei and Jeanette K Nangreave and Chenxiang Lin and Yan Liu and Yongli Mi and Hao Yan}, journal={Journal of the American Chemical Society}, year={2009}, volume={131 36}, pages={13093-8} }