Cited by 779DNA and Biological ComputingAdvanced biosensing and bioanalysis techniquesComputability, Logic, AI Algorithms

Logical computation using algorithmic self-assembly of DNA triple-crossover molecules

Mao, Chengde, LaBean, Thomas H., Reif, John H., Seeman, Nadrian C.·2000·Nature

Abstract

Recent work has demonstrated the self-assembly of designed periodic two-dimensional arrays composed of DNA tiles, in which the intermolecular contacts are directed by 'sticky' ends. In a mathematical context, aperiodic mosaics may be formed by the self-assembly of 'Wang' tiles, a process that emulates the operation of a Turing machine. Macroscopic self-assembly has been used to perform computations; there is also a logical equivalence between DNA sticky ends and Wang tile edges. This suggests that the self-assembly of DNA-based tiles could be used to perform DNA-based computation. Algorithmic aperiodic self-assembly requires greater fidelity than periodic self-assembly, because correct tiles must compete with partially correct tiles. Here we report a one-dimensional algorithmic self-assembly of DNA triple-crossover molecules that can be used to execute four steps of a logical (cumulative XOR) operation on a string of binary bits.

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Crossref · 10.1038/35035038

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18 of 18 references verified0 citation errors · 0 not checkable

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  • Robust, rigid DNA tiles with programmable "sticky ends" have been made using double-crossover (DX), triple-crossover (TX), and single-stranded tile (SST) motifs and used for algorithmic self-assembly experiments.

    “Robust, rigid DNA tiles with programmable “sticky ends” have been made using double-crossover (DX),141 triple-crossover (TX),142 and single-stranded tile (SST)143 motifs and used for a variety of algorithmic self-assembly experiments.”

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Authors
Mao, C., LaBean, T. H., Reif, J. H., & Seeman, N. C.
Affiliations
  • New York University (US)
  • Duke University (US)
Corresponding author
Seeman, Nadrian C.
Venue
Nature
Published
2000-09-28
Volume
407
Issue
6803
Pages
493-496
ISSN
  • 0028-0836 (ISSN-L)
  • 1476-4687
OpenAlex
W1628582474
Cited by
779
References
18
Citations by year
2026: 8 · 2025: 10 · 2024: 10 · 2023: 17 · 2022: 14 · 2021: 20 · 2020: 14 · 2019: 13 · 2018: 16 · 2017: 16 · 2016: 27 · 2015: 46 · 2014: 37 · 2013: 33 · 2012: 41
FWCI
11.92
Type
journal article
Language
en
Update notices
erratum (2000-12-07)
Open access
closed
Locations
  • Nature (publishedVersion)
  • PubMed (publishedVersion)
  • RePEc: Research Papers in Economics (submittedVersion)
Funders
  • National Science Foundation
  • National Institutes of Health
  • Defense Advanced Research Projects Agency
  • Army Research Office
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › DNA and Biological Computing
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Advanced biosensing and bioanalysis techniques
  • Physical Sciences › Computer Science › Computational Theory and Mathematics › Computability, Logic, AI Algorithms
Keywords
DNA self-assembly, DNA computing, algorithmic self-assembly, Wang tiles, sticky ends, binary logic, one-dimensional self-assembly
MeSH terms
Algorithms, DNA, Nucleic Acid Conformation, Computational Biology

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