An Overview of Structural DNA Nanotechnology

Research output: Contribution to journalArticle

Abstract

Structural DNA Nanotechnology uses unusual DNA motifs to build target shapes and arrangements. These unusual motifs are generated by reciprocal exchange of DNA backbones, leading to branched systems with many strands and multiple helical domains. The motifs may be combined by sticky ended cohesion, involving hydrogen bonding or covalent interactions. Other forms of cohesion involve edge-sharing or paranemic interactions of double helices. A large number of individual species have been developed by this approach, including polyhedral catenanes, a variety of single-stranded knots, and Borromean rings. In addition to these static species, DNA-based nanomechanical devices have been produced that are ultimately targeted to lead to nanorobotics. Many of the key goals of structural DNA nanotechnology entail the use of periodic arrays. A variety of 2D DNA arrays have been produced with tunable features, such as patterns and cavities. DNA molecules have be used successfully in DNA-based computation as molecular representations of Wang tiles, whose self-assembly can be programmed to perform a calculation. About 4 years ago, on the fiftieth anniversary of the double helix, the area appeared to be at the cusp of a truly exciting explosion of applications; this was a correct assessment, and much progress has been made in the intervening period.

Original languageEnglish (US)
Pages (from-to)246-257
Number of pages12
JournalMolecular Biotechnology
Volume37
Issue number3
DOIs
StatePublished - Nov 2007

Fingerprint

Nanotechnology
DNA
Catenanes
Molecular Computers
Nucleotide Motifs
Explosions
Anniversaries and Special Events
Hydrogen Bonding
Oligonucleotide Array Sequence Analysis
Nanorobotics
Tile
Equipment and Supplies
Self assembly
Hydrogen bonds
Molecules

Keywords

  • Branched DNA
  • DNA architecture
  • DNA crystals
  • DNA nanomechanical devices
  • DNA polyhedra
  • DNA-based computation
  • Nanoparticle organization
  • Sticky-ended cohesion
  • Translation devices

ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology(all)
  • Biochemistry
  • Biotechnology
  • Bioengineering
  • Applied Microbiology and Biotechnology

Cite this

An Overview of Structural DNA Nanotechnology. / Seeman, Nadrian.

In: Molecular Biotechnology, Vol. 37, No. 3, 11.2007, p. 246-257.

Research output: Contribution to journalArticle

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