Prime factorization via localized tile assembly in a DNA origami framework

Author:

Zhang Yinan12ORCID,Yin Xiaoyao3ORCID,Cui Chengjun1ORCID,He Kun3,Wang Fei1ORCID,Chao Jie4ORCID,Li Tao3ORCID,Zuo Xiaolei5ORCID,Li Ailing3,Wang Lihua67ORCID,Wang Na3,Bo Xiaochen8ORCID,Fan Chunhai1ORCID

Affiliation:

1. School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules, and National Center for Translational Medicine, Shanghai Jiao Tong University, Shanghai 200240, China.

2. School of Chemical Science and Engineering, Tongji University, Shanghai 200092, China.

3. State Key Laboratory of Proteomics, National Center of Biomedical Analysis, Beijing 100850, China.

4. Key Laboratory for Organic Electronics & Information Displays (KLOEID), Institute of Advanced Materials (IAM) and School of Materials Science and Engineering, Nanjing University of Posts and Telecommunications, Nanjing, Jiangsu 210023, China.

5. Institute of Molecular Medicine, Shanghai Key Laboratory for Nucleic Acid Chemistry, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, China.

6. Bioimaging Center, Shanghai Synchrotron Radiation Facility, Zhangjiang Laboratory, Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai 201210, China.

7. Shanghai Key Laboratory of Green Chemistry and Chemical Processes, School of Chemistry and Molecular Engineering, East China Normal University, 500 Dongchuan Road, Shanghai 200127, China.

8. Institute of Health Service and Transfusion Medicine, Beijing 100850, China.

Abstract

Modern cybersecurity built on public-key cryptosystems like Rivest-Shamir-Adleman is compromised upon finding solutions to the prime factorization. Nevertheless, solving the prime factorization problem, given a large N , remains computationally challenging. Here, we design DNA origami frameworks (DOFs) to direct localized assembly of double-crossover (DX) tiles for solving prime factorization with a model consisting of the computing, decision-making, and reporting motifs. The model implementation is based on the sequential assembly of different DX tiles in the DOF cavity that carries overhangs encoding the prime and composite integers. The primes are multiplied and then verified with the composite, and the result is visualized under atomic force microscopy via the presence (success) or absence (failure) of biotin-streptavidin labels on the reporting DX tile. The factorization of semiprimes 6 and 15 is realized with this DOF-based demonstration. Given the potential of massively parallel processing ability of DNA, this strategy opens an avenue to solve complex mathematical puzzles like prime factoring with molecular computing.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

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