201
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Tavakoli-Koopaei R, Javadi-Zarnaghi F, Mirhendi H. Unified-amplifier based primer exchange reaction (UniAmPER) enabled detection of SARS-CoV-2 from clinical samples. SENSORS AND ACTUATORS. B, CHEMICAL 2022; 357:131409. [PMID: 35035095 PMCID: PMC8750742 DOI: 10.1016/j.snb.2022.131409] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/08/2021] [Revised: 12/10/2021] [Accepted: 01/08/2022] [Indexed: 06/14/2023]
Abstract
Primer exchange reaction (PER) is an emergent method for non-templated synthesis of single stranded DNA molecules. PER has been shown to be effective in cell imaging systems and for detection of macromolecules. A particular application of PER is to detect a specific target nucleic acid. To this endeavor, two coupled DNA hairpins, a detector and an amplifier, play in accordance to extend a target nucleic acid with a concatemer DNA sequence. Here we introduced unified-amplifier based primer exchange reaction (UniAmPER) that beneficially extends the target by a unified-amplifier. The unified-amplifier operates as both detector and amplifier hairpins. The extension resulted in synthesis of concatemer G-rich sequences. The G-rich sequences were expected to form G-quadruplex (GQ) structures. Presence of the GQ structures were investigated by peroxidase activity of GQs in presence of hemin, H2°2 and 3,3',5,5'-Tetramethylbenzidine (TMB) as well as by fluorescence signal generation upon intercalation of thioflavin T (ThT). The presented unified-amplifier in this study facilitates application of PER systems for development of colorimetric or fluorogenic biosensors. As a proof of principle, the method has been applied for detection of reversely transcribed cDNAs from clinical SARS-CoV-2 samples.
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Affiliation(s)
- Reyhaneh Tavakoli-Koopaei
- Department of Cell and Molecular Biology & Microbiology, Faculty of Biological Science and Technology, University of Isfahan, Isfahan, Iran
| | - Fatemeh Javadi-Zarnaghi
- Department of Cell and Molecular Biology & Microbiology, Faculty of Biological Science and Technology, University of Isfahan, Isfahan, Iran
| | - Hossein Mirhendi
- Department of Parasitology and Mycology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
- Core Facilities Research Laboratory, Mycology Reference Laboratory, Isfahan University of Medical Sciences, Isfahan, Iran
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202
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Liu XR, Hu X, Loh IY, Wang Z. A high-fidelity light-powered nanomotor from a chemically fueled counterpart via site-specific optomechanical fuel control. NANOSCALE 2022; 14:5899-5914. [PMID: 35373800 DOI: 10.1039/d1nr07964f] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Optically powered nanomotors are advantageous for clean nanotechnology over chemically fuelled nanomotors. The two motor types are further bounded by different physical principles. Despite the gap, we show here that an optically powered DNA bipedal nanomotor is readily created from a high-performing chemically fuelled counterpart by subjecting its fuel to cyclic site-specific optomechanical control - as if the fuel is optically recharged. Optimizing azobenzene-based control of the original nucleotide fuel selects a light-responsive fuel analog that replicates the different binding affinity of the fuel and reaction products. The resultant motor largely retains high-performing features of the original chemical motor, and achieves the highest directional fidelity among reported light-driven DNA nanomotors. This study thus demonstrates a novel strategy for transforming chemical nanomotors to optical ones for clean nanotechnology. The strategy is potentially applicable to many chemical nanomotors with oligomeric fuels like nucleotides, peptides and synthetic polymers, leading to a new class of light-powered nanomotors that are akin to chemical nanomotors and benefit from their generally high efficiency mechanistically. The motor from this study also provides a rare model system for studying the subtle boundary between chemical and optical nanomotors - a topic pertinent to chemomechanical and optomechanical energy conversion at the single-molecule level.
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Affiliation(s)
- Xiao Rui Liu
- Department of Physics, National University of Singapore, Singapore 117542
| | - Xinpeng Hu
- Department of Physics, National University of Singapore, Singapore 117542
| | - Iong Ying Loh
- Department of Physics, National University of Singapore, Singapore 117542
| | - Zhisong Wang
- Department of Physics, National University of Singapore, Singapore 117542
- NUS Graduate School for Integrative Sciences and Engineering, National University of Singapore, Singapore 117542.
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203
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Pei Y, Bian T, Liu Y, Liu Y, Xie Y, Song J. Single-Molecule Resettable DNA Computing via Magnetic Tweezers. NANO LETTERS 2022; 22:3003-3010. [PMID: 35357200 DOI: 10.1021/acs.nanolett.2c00183] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
DNA-based Boolean logic computing has emerged as a leading technique in biosensing, diagnosis, and therapeutics. Due to the development of the biological and chemical methods, especially the toehold-mediated DNA strand displacement (TMSD) reaction, different logic gates as well as circuits can be performed. However, most of these methods have been conducted at the bulk level, which may lead to missing information and be less controllable. Herein, we engineered single-molecule DNA computing controlled by stretching forces using magnetic tweezers. By tracking the real-time signals of the DNA extension, the output can be determined at a single base-pair resolution. A kinetics-controllable TMSD reaction was realized in the range of a ∼19-fold change of the reaction rate by different stretching forces. OR, AND, and NOT gates were also achieved. In addition, resettable DNA computing using force stretching cycles has been further exemplified. Overall, such a real-time, label-free, and force-controlled single-molecule DNA computing system provided new insight into molecular computing.
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Affiliation(s)
- Yufeng Pei
- Key Laboratory of Systems Health Science of Zhejiang Province, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Hangzhou 310024, People's Republic of China
- The Cancer Hospital of the University of Chinese Academy of Sciences, Institute of Basic Medicine and Cancer (IBMC), Chinese Academy of Sciences, Hangzhou, Zhejiang 310022, P.R. China
| | - Tianyuan Bian
- The Cancer Hospital of the University of Chinese Academy of Sciences, Institute of Basic Medicine and Cancer (IBMC), Chinese Academy of Sciences, Hangzhou, Zhejiang 310022, P.R. China
- Academy of Medical Engineering and Translational Medicine (AMT), Tianjin University, Tianjin 300072, P.R. China
| | - Yonglin Liu
- The Cancer Hospital of the University of Chinese Academy of Sciences, Institute of Basic Medicine and Cancer (IBMC), Chinese Academy of Sciences, Hangzhou, Zhejiang 310022, P.R. China
- School of Molecular Medicine, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou 310024, P.R. China
| | - Yan Liu
- The Cancer Hospital of the University of Chinese Academy of Sciences, Institute of Basic Medicine and Cancer (IBMC), Chinese Academy of Sciences, Hangzhou, Zhejiang 310022, P.R. China
- Institute of Nano Biomedicine and Engineering, Department of Instrument Science and Engineering, School of Electronic Information and Electrical Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, P.R. China
| | - Yujie Xie
- School of Chemistry, University of Birmingham, Edgbaston, Birmingham B15 2TT, U.K
| | - Jie Song
- The Cancer Hospital of the University of Chinese Academy of Sciences, Institute of Basic Medicine and Cancer (IBMC), Chinese Academy of Sciences, Hangzhou, Zhejiang 310022, P.R. China
- Institute of Nano Biomedicine and Engineering, Department of Instrument Science and Engineering, School of Electronic Information and Electrical Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, P.R. China
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204
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Cellular Computational Logic Using Toehold Switches. Int J Mol Sci 2022; 23:ijms23084265. [PMID: 35457085 PMCID: PMC9033136 DOI: 10.3390/ijms23084265] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2022] [Revised: 04/09/2022] [Accepted: 04/10/2022] [Indexed: 11/16/2022] Open
Abstract
The development of computational logic that carries programmable and predictable features is one of the key requirements for next-generation synthetic biological devices. Despite considerable progress, the construction of synthetic biological arithmetic logic units presents numerous challenges. In this paper, utilizing the unique advantages of RNA molecules in building complex logic circuits in the cellular environment, we demonstrate the RNA-only bitwise logical operation of XOR gates and basic arithmetic operations, including a half adder, a half subtractor, and a Feynman gate, in Escherichia coli. Specifically, de-novo-designed riboregulators, known as toehold switches, were concatenated to enhance the functionality of an OR gate, and a previously utilized antisense RNA strategy was further optimized to construct orthogonal NIMPLY gates. These optimized synthetic logic gates were able to be seamlessly integrated to achieve final arithmetic operations on small molecule inputs in cells. Toehold-switch-based ribocomputing devices may provide a fundamental basis for synthetic RNA-based arithmetic logic units or higher-order systems in cells.
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205
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Yang S, Joesaar A, Bögels BWA, Mann S, Greef T. Protocellular CRISPR/Cas‐based Diffusive Communication Using Transcriptional RNA Signaling. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202202436] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Shuo Yang
- Eindhoven University of Technology: Technische Universiteit Eindhoven Biomedical Engineering NETHERLANDS
| | - Alex Joesaar
- Eindhoven University of Technology: Technische Universiteit Eindhoven Biomedical Engineering NETHERLANDS
| | - Bas W. A. Bögels
- Eindhoven University of Technology: Technische Universiteit Eindhoven Biomedical Engineering NETHERLANDS
| | - Stephen Mann
- Bristol University School of Chemistry UNITED KINGDOM
| | - Tom Greef
- Eindhoven University of Technology Den Dolech 2CE 1.44B 5612 AZ Eindhoven NETHERLANDS
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206
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Del Grosso E, Irmisch P, Gentile S, Prins LJ, Seidel R, Ricci F. Dissipative Control over the Toehold‐Mediated DNA Strand Displacement Reaction. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202201929] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Erica Del Grosso
- Department of Chemistry University of Rome Tor Vergata Via della Ricerca Scientifica 00133 Rome Italy
| | - Patrick Irmisch
- Molecular Biophysics Group Peter Debye Institute for Soft Matter Physics Universität Leipzig 04103 Leipzig Germany
| | - Serena Gentile
- Department of Chemistry University of Rome Tor Vergata Via della Ricerca Scientifica 00133 Rome Italy
| | - Leonard J. Prins
- Department of Chemical fSciences University of Padua Via Marzolo 1 35131 Padua Italy
| | - Ralf Seidel
- Molecular Biophysics Group Peter Debye Institute for Soft Matter Physics Universität Leipzig 04103 Leipzig Germany
| | - Francesco Ricci
- Department of Chemistry University of Rome Tor Vergata Via della Ricerca Scientifica 00133 Rome Italy
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207
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Sensale S, Sharma P, Arya G. Binding kinetics of harmonically confined random walkers. Phys Rev E 2022; 105:044136. [PMID: 35590574 DOI: 10.1103/physreve.105.044136] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2021] [Accepted: 04/06/2022] [Indexed: 06/15/2023]
Abstract
Diffusion-mediated binding of molecules under the influence of discrete spatially confining potentials is a commonly encountered scenario in systems subjected to explicit fields or implicit fields arising from tethering restraints. Here, we derive analytical expressions for the mean binding time of two random walkers geometrically confined by means of two harmonic potentials in one- and two-dimensional systems, which show excellent agreement with Brownian dynamics simulations. As a demonstration of its utility, we use this theory to maximize the communication speed in existing DNA walkers, obtaining quantitative agreement with previously reported experimental findings. The analytical expressions derived in this paper are broadly applicable to diverse systems, providing ways to characterize communication processes and optimize the rate of signal propagation for sensing and computing applications at the nanoscale.
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Affiliation(s)
- Sebastian Sensale
- Department of Mechanical Engineering and Materials Science, Duke University, Durham, North Carolina 27708, USA
| | - Pranav Sharma
- Department of Mechanical Engineering and Materials Science, Duke University, Durham, North Carolina 27708, USA
| | - Gaurav Arya
- Department of Mechanical Engineering and Materials Science, Duke University, Durham, North Carolina 27708, USA
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208
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Schaffter SW, Strychalski EA. Cotranscriptionally encoded RNA strand displacement circuits. SCIENCE ADVANCES 2022; 8:eabl4354. [PMID: 35319994 PMCID: PMC8942360 DOI: 10.1126/sciadv.abl4354] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/20/2021] [Accepted: 02/01/2022] [Indexed: 05/21/2023]
Abstract
Engineered molecular circuits that process information in biological systems could address emerging human health and biomanufacturing needs. However, such circuits can be difficult to rationally design and scale. DNA-based strand displacement reactions have demonstrated the largest and most computationally powerful molecular circuits to date but are limited in biological systems due to the difficulty in genetically encoding components. Here, we develop scalable cotranscriptionally encoded RNA strand displacement (ctRSD) circuits that are rationally programmed via base pairing interactions. ctRSD circuits address the limitations of DNA-based strand displacement circuits by isothermally producing circuit components via transcription. We demonstrate circuit programmability in vitro by implementing logic and amplification elements, as well as multilayer cascades. Furthermore, we show that circuit kinetics are accurately predicted by a simple model of coupled transcription and strand displacement, enabling model-driven design. We envision ctRSD circuits will enable the rational design of powerful molecular circuits that operate in biological systems, including living cells.
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209
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Chang X, Yang Q, Lee J, Zhang F. Self-Assembled Nucleic Acid Nanostructures for Biomedical Applications. Curr Top Med Chem 2022; 22:652-667. [PMID: 35319373 DOI: 10.2174/1568026622666220321140729] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2021] [Revised: 01/20/2022] [Accepted: 01/30/2022] [Indexed: 11/22/2022]
Abstract
Structural DNA nanotechnology has been developed into a powerful method for creating self-assembled nanomaterials. Their compatibility with biosystems, nanoscale addressability, and programmable dynamic features make them appealing candidates for biomedical research. This review paper focuses on DNA self-assembly strategies and designer nanostructures with custom functions for biomedical applications. Specifically, we review the development of DNA self-assembly methods, from simple DNA motifs consisting of a few DNA strands to complex DNA architectures assembled by DNA origami. Three advantages are discussed using structural DNA nanotechnology for biomedical applications: (1) precise spatial control, (2) molding and guiding other biomolecules, and (3) using reconfigurable DNA nanodevices to overcome biomedical challenges. Finally, we discuss the challenges and opportunities of employing DNA nanotechnology for biomedical applications, emphasizing diverse assembly strategies to create a custom DNA nanostructure with desired functions.
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Affiliation(s)
- Xu Chang
- Department of Chemistry, Rutgers University, Newark, NJ 07102, USA
| | - Qi Yang
- Department of Chemistry, Rutgers University, Newark, NJ 07102, USA
| | - Jungyeon Lee
- Department of Chemistry, Rutgers University, Newark, NJ 07102, USA
| | - Fei Zhang
- Department of Chemistry, Rutgers University, Newark, NJ 07102, USA
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210
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Moerman PG, Gavrilov M, Ha T, Schulman R. Catalytic DNA Polymerization Can Be Expedited by Active Product Release. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202114581] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Pepijn Gerben Moerman
- Johns Hopkins University Whiting School of Engineering Chemical and Biomolecular Engineering 3400 N Charles Street 21218 Baltimore UNITED STATES
| | - Momcilo Gavrilov
- Johns Hopkins University Biophysics and Biophysical Chemistry UNITED STATES
| | - Taekjip Ha
- Johns Hopkins University - Homewood Campus: Johns Hopkins University Biophysics UNITED STATES
| | - Rebecca Schulman
- Johns Hopkins University chemical and biomolecular engineering 3400 N. Charles St, Maryland Hall 221 21218 Baltimore UNITED STATES
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211
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Xu S, Wang Y, Yao Y, Chen L, Xu J, Qiu B, Guo L. Toehold-mediated strand displacement coupled with single nanoparticle dark-field microscopy imaging for ultrasensitive biosensing. NANOSCALE 2022; 14:3496-3503. [PMID: 35171195 DOI: 10.1039/d1nr08030j] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Highly sensitive detection of biomarkers is essential for disease prevention and early diagnosis. Herein, a highly sensitive strategy was proposed for microRNA-21 (miRNA-21) detection by the incorporation of programmable toehold-mediated strand displacement (TMSD) and dark-field microscopy imaging. Firstly, efficient and specific TSMD was carried out via hybridization between the substrate strand (Sub) and two short probe strands (P1, P2). Then, miRNA-21 could specifically hybridize with Sub due to the toehold that existed on its tail, which triggered the amplification with the help of the assist strands, and forming a large number of Sub-assist double-stranded DNA (dsDNA). This process realized the targeted highly specific recognition of miRNA-21 and the amplification of the trace target to high-output dsDNA. Additionally, as glucose oxidase (Gox) was modified on the end of the assist strands in advance, hydrogen peroxide was generated after adding glucose to the system, which further etched gold-silver core-shell nanocubes (Au@Ag NCs). As a result, the size of Au@Ag NCs decreased and the scattering intensity reduced simultaneously. The scattering intensity reduction value of Au@Ag NCs has a linear relationship with miRNA-21 concentration in the range of 1.0 to 100.0 fM with a limit of detection of 1.0 fM. Finally, the proposed method has been successfully demonstrated for the determination of miRNA-21 in lung cancer cell A549 lysate.
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Affiliation(s)
- Shaohua Xu
- Jiaxing Key Laboratory of Molecular Recognition and Sensing; College of Biological, Chemical Sciences and Engineering, Jiaxing University, Jiaxing 314001, PR China.
- Integrated Chinese and Western Medicine Cancer Research Center, Jiangxi University of Chinese Medicine, Nanchang, Jiangxi, 330004, China
| | - Yueliang Wang
- Jiaxing Key Laboratory of Molecular Recognition and Sensing; College of Biological, Chemical Sciences and Engineering, Jiaxing University, Jiaxing 314001, PR China.
| | - Yuanyuan Yao
- Jiaxing Key Laboratory of Molecular Recognition and Sensing; College of Biological, Chemical Sciences and Engineering, Jiaxing University, Jiaxing 314001, PR China.
| | - Lifen Chen
- Jiaxing Key Laboratory of Molecular Recognition and Sensing; College of Biological, Chemical Sciences and Engineering, Jiaxing University, Jiaxing 314001, PR China.
| | - Jiahui Xu
- Jiaxing Key Laboratory of Molecular Recognition and Sensing; College of Biological, Chemical Sciences and Engineering, Jiaxing University, Jiaxing 314001, PR China.
| | - Bin Qiu
- Ministry of Education Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection for Food Safety, College of Chemistry, Fuzhou University, Fuzhou, Fujian, 350116, China.
| | - Longhua Guo
- Jiaxing Key Laboratory of Molecular Recognition and Sensing; College of Biological, Chemical Sciences and Engineering, Jiaxing University, Jiaxing 314001, PR China.
- Ministry of Education Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection for Food Safety, College of Chemistry, Fuzhou University, Fuzhou, Fujian, 350116, China.
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212
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He S, Cui R, Zhang Y, Yang Y, Xu Z, Wang S, Dang P, Dang K, Ye Q, Liu Y. Design and Realization of Triple dsDNA Nanocomputing Circuits in Microfluidic Chips. ACS APPLIED MATERIALS & INTERFACES 2022; 14:10721-10728. [PMID: 35188362 DOI: 10.1021/acsami.1c24220] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
DNA logic gates, nanocomputing circuits, have already implemented basic computations and shown great signal potential for nano logic material application. However, the reaction temperature and computing speed still limit its development. Performing complicated computations requires a more stable component and a better computing platform. We proposed a more stable design of logic gates based on a triple, double-stranded, DNA (T-dsDNA) structure. We demonstrated a half adder and a full adder using these DNA nanocircuits and performed the computations in a microfluidic chip device at room temperature. When the solutions were mixed in the device, we obtained the expected results in real time, which suggested that the T-dsDNA combined microfluidic chip provides a concise strategy for large DNA nanocircuits.
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Affiliation(s)
- Songlin He
- School of Medicine, Nankai University, Tianjin 300071, People's Republic of China
- Institute of Orthopedics, the First Medical Center, Chinese PLA General Hospital; Beijing Key Lab of Regenerative Medicine in Orthopedics; Key Laboratory of Musculoskeletal Trauma & War Injuries PLA; No. 28 Fuxing Road, Haidian District, Beijing 100853, People's Republic of China
| | - Ruiming Cui
- Key Laboratory of Weak-Light Nonlinear Photonics, Ministry of Education, School of Physics and TEDA Applied Physics, Nankai University, Tianjin 300071, People's Republic of China
| | - Yao Zhang
- School of Medicine, Nankai University, Tianjin 300071, People's Republic of China
| | - Yongkang Yang
- School of Medicine, Nankai University, Tianjin 300071, People's Republic of China
| | - Ziheng Xu
- School of Medicine, Nankai University, Tianjin 300071, People's Republic of China
| | - Shuoyu Wang
- School of Medicine, Nankai University, Tianjin 300071, People's Republic of China
| | - Pingxiu Dang
- School of Medicine, Nankai University, Tianjin 300071, People's Republic of China
| | - Kexin Dang
- Key Laboratory of Weak-Light Nonlinear Photonics, Ministry of Education, School of Physics and TEDA Applied Physics, Nankai University, Tianjin 300071, People's Republic of China
| | - Qing Ye
- Key Laboratory of Weak-Light Nonlinear Photonics, Ministry of Education, School of Physics and TEDA Applied Physics, Nankai University, Tianjin 300071, People's Republic of China
- Nankai University Eye Institute, Nankai University, Tianjin 300071, People's Republic of China
| | - Yin Liu
- School of Medicine, Nankai University, Tianjin 300071, People's Republic of China
- Nankai University Eye Institute, Nankai University, Tianjin 300071, People's Republic of China
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213
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Weng Z, Yu H, Luo W, Guo Y, Liu Q, Zhang L, Zhang Z, Wang T, Dai L, Zhou X, Han X, Wang L, Li J, Yang Y, Xie G. Cooperative Branch Migration: A Mechanism for Flexible Control of DNA Strand Displacement. ACS NANO 2022; 16:3135-3144. [PMID: 35113525 DOI: 10.1021/acsnano.1c10797] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
DNA strand displacement plays an essential role in the field of dynamic DNA nanotechnology. However, flexible regulation of strand displacement remains a significant challenge. Most previous regulatory tools focused on controllable activation of toehold and thus limited the design flexibility. Here, we introduce a regulatory tool termed cooperative branch migration (CBM), through which DNA strand displacement can be controlled by regulating the complementarity of branch migration domains. CBM shows perfect compatibility with the majority of existing regulatory tools, and when combined with forked toehold, it permits continuous fine-tuning of the strand displacement rate spanning 5 orders of magnitude. CBM manifests multifunctional regulation ability, including rate fine-tuning, continuous dynamic regulation, reaction resetting, and selective activation. To exemplify the powerful function, we also constructed a nested if-function signal processing system on the basis of cascading CBM reactions. We believe that the proposed regulatory strategy would effectively enrich the DNA strand displacement toolbox and ultimately promote the construction of DNA machines of higher complexity in nucleic acid research and biomedical applications.
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Affiliation(s)
- Zhi Weng
- Key Laboratory of Clinical Laboratory Diagnostics (Chinese Ministry of Education), College of Laboratory Medicine, Chongqing Medical Laboratory Microfluidics and SPRi Engineering Research Center, Chongqing Medical University, Chongqing, 400016, PR China
| | - Hongyan Yu
- Key Laboratory of Clinical Laboratory Diagnostics (Chinese Ministry of Education), College of Laboratory Medicine, Chongqing Medical Laboratory Microfluidics and SPRi Engineering Research Center, Chongqing Medical University, Chongqing, 400016, PR China
| | - Wang Luo
- Key Laboratory of Clinical Laboratory Diagnostics (Chinese Ministry of Education), College of Laboratory Medicine, Chongqing Medical Laboratory Microfluidics and SPRi Engineering Research Center, Chongqing Medical University, Chongqing, 400016, PR China
| | - Yongcan Guo
- Clinical Laboratory of Traditional Chinese Medicine Hospital Affiliated to Southwest Medical University, Luzhou, 646000, PR China
| | - Qian Liu
- Key Laboratory of Clinical Laboratory Diagnostics (Chinese Ministry of Education), College of Laboratory Medicine, Chongqing Medical Laboratory Microfluidics and SPRi Engineering Research Center, Chongqing Medical University, Chongqing, 400016, PR China
| | - Li Zhang
- Key Laboratory of Clinical Laboratory Diagnostics (Chinese Ministry of Education), College of Laboratory Medicine, Chongqing Medical Laboratory Microfluidics and SPRi Engineering Research Center, Chongqing Medical University, Chongqing, 400016, PR China
| | - Zhang Zhang
- Key Laboratory of Clinical Laboratory Diagnostics (Chinese Ministry of Education), College of Laboratory Medicine, Chongqing Medical Laboratory Microfluidics and SPRi Engineering Research Center, Chongqing Medical University, Chongqing, 400016, PR China
| | - Ting Wang
- Key Laboratory of Clinical Laboratory Diagnostics (Chinese Ministry of Education), College of Laboratory Medicine, Chongqing Medical Laboratory Microfluidics and SPRi Engineering Research Center, Chongqing Medical University, Chongqing, 400016, PR China
| | - Ling Dai
- Key Laboratory of Clinical Laboratory Diagnostics (Chinese Ministry of Education), College of Laboratory Medicine, Chongqing Medical Laboratory Microfluidics and SPRi Engineering Research Center, Chongqing Medical University, Chongqing, 400016, PR China
| | - Xi Zhou
- Key Laboratory of Clinical Laboratory Diagnostics (Chinese Ministry of Education), College of Laboratory Medicine, Chongqing Medical Laboratory Microfluidics and SPRi Engineering Research Center, Chongqing Medical University, Chongqing, 400016, PR China
| | - Xiaole Han
- Key Laboratory of Clinical Laboratory Diagnostics (Chinese Ministry of Education), College of Laboratory Medicine, Chongqing Medical Laboratory Microfluidics and SPRi Engineering Research Center, Chongqing Medical University, Chongqing, 400016, PR China
| | - Luojia Wang
- Key Laboratory of Clinical Laboratory Diagnostics (Chinese Ministry of Education), College of Laboratory Medicine, Chongqing Medical Laboratory Microfluidics and SPRi Engineering Research Center, Chongqing Medical University, Chongqing, 400016, PR China
| | - Junjie Li
- Key Laboratory of Clinical Laboratory Diagnostics (Chinese Ministry of Education), College of Laboratory Medicine, Chongqing Medical Laboratory Microfluidics and SPRi Engineering Research Center, Chongqing Medical University, Chongqing, 400016, PR China
| | - Yujun Yang
- Key Laboratory of Clinical Laboratory Diagnostics (Chinese Ministry of Education), College of Laboratory Medicine, Chongqing Medical Laboratory Microfluidics and SPRi Engineering Research Center, Chongqing Medical University, Chongqing, 400016, PR China
| | - Guoming Xie
- Key Laboratory of Clinical Laboratory Diagnostics (Chinese Ministry of Education), College of Laboratory Medicine, Chongqing Medical Laboratory Microfluidics and SPRi Engineering Research Center, Chongqing Medical University, Chongqing, 400016, PR China
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214
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Juritz J, Poulton JM, Ouldridge TE. Minimal mechanism for cyclic templating of length-controlled copolymers under isothermal conditions. J Chem Phys 2022; 156:074103. [DOI: 10.1063/5.0077865] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Affiliation(s)
- Jordan Juritz
- Department of Bioengineering and Centre for Synthetic Biology, Imperial College London, London SW7 2AZ, United Kingdom
| | - Jenny M. Poulton
- Foundation for Fundamental Research on Matter (FOM), Institute for Atomic and Molecular Physics (AMOLF), 1098 XE Amsterdam, The Netherlands
| | - Thomas E. Ouldridge
- Department of Bioengineering and Centre for Synthetic Biology, Imperial College London, London SW7 2AZ, United Kingdom
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215
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An X, Meng Z, Wang Y, Sun J. Design of a Single-Channel Chaotic Secure Communication System Implemented by DNA Strand Displacement. ACS Synth Biol 2022; 11:843-854. [PMID: 35089690 DOI: 10.1021/acssynbio.1c00509] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
DNA strand displacement (DSD) is regarded as a foundation for the construction of biological computing systems because of the predictability of DNA molecular behaviors. Some complex system dynamics can be approximated by cascading DSD reaction modules with different functions. In this paper, four DSD reaction modules are used to realize chaotic secure communication based on drive-response synchronization of four-dimensional chaotic systems. The system adopts the communication technology of chaos masking and uses a single-channel synchronization scheme to achieve high accuracy. The simulation results demonstrate that encryption and decryption of the signal are achieved by the design. Moreover, the system is robust to noise signals and interference during the DNA reactions. This work provides a method for the application of DNA molecular computation in the communication field.
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Affiliation(s)
- Xiaoyu An
- School of Electrical and Information Engineering, Zhengzhou University of Light Industry, Zhengzhou 450002, China
| | - Zijie Meng
- School of Electrical and Information Engineering, Zhengzhou University of Light Industry, Zhengzhou 450002, China
| | - Yanfeng Wang
- School of Electrical and Information Engineering, Zhengzhou University of Light Industry, Zhengzhou 450002, China
| | - Junwei Sun
- School of Electrical and Information Engineering, Zhengzhou University of Light Industry, Zhengzhou 450002, China
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216
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Programming cell-free biosensors with DNA strand displacement circuits. Nat Chem Biol 2022; 18:385-393. [PMID: 35177837 PMCID: PMC8964419 DOI: 10.1038/s41589-021-00962-9] [Citation(s) in RCA: 58] [Impact Index Per Article: 29.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2021] [Accepted: 12/16/2021] [Indexed: 12/15/2022]
Abstract
Cell-free biosensors are powerful platforms for monitoring human and environmental health. Here, we expand their capabilities by interfacing them with toehold-mediated strand displacement circuits, a dynamic DNA nanotechnology that enables molecular computation through programmable interactions between nucleic acid strands. We develop design rules for interfacing a small molecule sensing platform called ROSALIND with toehold-mediated strand displacement to construct hybrid RNA–DNA circuits that allow fine-tuning of reaction kinetics. We use these design rules to build 12 different circuits that implement a range of logic functions (NOT, OR, AND, IMPLY, NOR, NIMPLY, NAND). Finally, we demonstrate a circuit that acts like an analog-to-digital converter to create a series of binary outputs that encode the concentration range of the molecule being detected. We believe this work establishes a pathway to create ‘smart’ diagnostics that use molecular computations to enhance the speed and utility of biosensors. ![]()
Equipping ROSALIND, a cell-free biosensing platform, with information processing circuits based on toehold-mediated DNA strand displacement enhances sensor performance and enables logic gate computation.
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217
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Abstract
Stimuli-responsive DNA-based hydrogels are attracting growing interest because of their smart responsiveness, excellent biocompatibility, regulated biodegradability, and programmable design properties. Integration of reconfigurable DNA architectures and switchable supramolecular moieties (as cross-linkers) in hydrogels by responding to external stimuli provides an ideal approach for the reversible tuning structural and mechanical properties of the hydrogels, which can be exploited in the development of intelligent DNA-based materials. This review highlights recent advances in the design of responsive pure DNA hydrogels, DNA-polymer hybrid hydrogels, and autonomous DNA-based hydrogels with transient behaviors. A variety of chemically and physically triggered DNA-based stimuli-responsive hydrogels and their versatile applications in biosensing, biocatalysis, cell culture and separation, drug delivery, shape memory, self-healing, and robotic actuators are summarized. Finally, we address the key challenges that the field will face in the coming years, and future prospects are identified.
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Affiliation(s)
- Chen Wang
- School of Chemistry and Molecular Engineering, East China Normal University, Shanghai 200241, China
| | - Junji Zhang
- Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering, Feringa Nobel Prize Scientist Joint Research Center, School of Chemistry and Molecular Engineering, East China University of Science & Technology, No. 130 Meilong Road, Shanghai 200237, China
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218
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Choi W, Park E, Bae S, Choi KH, Han S, Son KH, Lee DY, Cho IJ, Seong H, Hwang KS, Nam JM, Choi J, Lee H, Choi N. Multiplex SNP Genotyping Using SWITCH: Sequence-Specific Nanoparticle with Interpretative Toehold-Mediated Sequence Decoding in Hydrogel. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2022; 18:e2105538. [PMID: 34923738 DOI: 10.1002/smll.202105538] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/11/2021] [Revised: 11/29/2021] [Indexed: 06/14/2023]
Abstract
Single nucleotide polymorphisms (SNPs) that can alter phenotypes of individuals play a pivotal role in disease development and, more importantly, responses to therapy. However, SNP genotyping has been challenging due to the similarity of SNP alleles and their low concentration in biological samples. Sequence-specific nanoparticle with interpretative toehold-mediated sequence decoding in hydrogel (SWITCH) for multiplex SNP genotyping is presented. The encoding with gold nanoparticle probes transduces each SNP target to ≈1000 invaders with prominently different sequences between wild and mutant types, featuring polymerase chain reaction (PCR)-free amplification. Subsequently, the toehold-mediated DNA replacement in hydrogel microparticles decodes the invaders via SNP-specific fluorescence signals. The 4-plex detection of the warfarin-associated SNP targets spiked in commercially validated human serum (S1-100ML, Merck) is successfully demonstrated with excellent specificity. This work is the first technology development presenting PCR-free, multiplex SNP genotyping with a single reporting fluorophore, to the best of knowledge.
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Affiliation(s)
- Woongsun Choi
- Department of Chemical and Biological Engineering, Korea University, Seoul, 02841, Korea
- Brain Science Institute, Korea Institute of Science and Technology (KIST), Seoul, 02792, Korea
| | - Eunhye Park
- Department of Chemistry, Seoul National University, Seoul, 08826, Korea
- Biomaterials Research Center, Biomedical Research Division, Korea Institute of Science and Technology (KIST), Seoul, 02792, Korea
| | - Seojin Bae
- OPTOLANE Technologies, Inc., Seongnam, 13494, Korea
| | | | - Sangeun Han
- OPTOLANE Technologies, Inc., Seongnam, 13494, Korea
| | - Kuk-Hui Son
- Department of Thoracic and Cardiovascular Surgery, Gachon University Gil Medical Center, Incheon, 21936, Korea
| | - Do Young Lee
- OPTOLANE Technologies, Inc., Seongnam, 13494, Korea
| | - Il-Joo Cho
- Brain Science Institute, Korea Institute of Science and Technology (KIST), Seoul, 02792, Korea
- Yonsei-KIST Convergence Research Institute, Yonsei University, Seoul, 03722, Korea
- School of Electrical and Electronics Engineering, Yonsei University, Seoul, 03722, Korea
- Division of Bio-Medical Science & Technology, KIST School, Korea University of Science and Technology (UST), Seoul, 02792, Korea
| | - Hyejeong Seong
- Brain Science Institute, Korea Institute of Science and Technology (KIST), Seoul, 02792, Korea
| | - Kyo Seon Hwang
- Department of Clinical Pharmacology and Therapeutics, College of Medicine, Kyung Hee University, Seoul, 02447, Korea
| | - Jwa-Min Nam
- Department of Chemistry, Seoul National University, Seoul, 08826, Korea
| | - Jungkyu Choi
- Department of Chemical and Biological Engineering, Korea University, Seoul, 02841, Korea
| | - Hyojin Lee
- Biomaterials Research Center, Biomedical Research Division, Korea Institute of Science and Technology (KIST), Seoul, 02792, Korea
- Division of Bio-Medical Science & Technology, KIST School, Korea University of Science and Technology (UST), Seoul, 02792, Korea
| | - Nakwon Choi
- Brain Science Institute, Korea Institute of Science and Technology (KIST), Seoul, 02792, Korea
- Division of Bio-Medical Science & Technology, KIST School, Korea University of Science and Technology (UST), Seoul, 02792, Korea
- KU-KIST Graduate School of Converging Science and Technology, Korea University, Seoul, 02841, Korea
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219
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Kapadia JB, Kharma N, Davis AN, Kamel N, Perreault J. Toehold-mediated strand displacement to measure released product from self-cleaving ribozymes. RNA (NEW YORK, N.Y.) 2022; 28:263-273. [PMID: 34862273 PMCID: PMC8906547 DOI: 10.1261/rna.078823.121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/02/2021] [Accepted: 10/27/2021] [Indexed: 06/13/2023]
Abstract
This paper presents a probe comprising a fluorophore and a quencher, enabling measurement of released product from self-cleaving hammerhead ribozyme, without labeled RNA molecules, regular sampling or use of polyacrylamide gels. The probe is made of two DNA strands; one strand is labeled with a fluorophore at its 5'-end, while the other strand is labeled with a quencher at its 3'-end. These two DNA strands are perfectly complementary, but with a 3'-overhang of the fluorophore strand. These unpaired nucleotides act as a toehold, which is utilized by a detached cleaved fragment (coming from a self-cleaving hammerhead ribozyme) as the starting point for a strand displacement reaction. This reaction causes the separation of the fluorophore strand from the quencher strand, culminating in fluorescence, detectable in a plate reader. Notably, the emitted fluorescence is proportional to the amount of detached cleaved-off RNAs, displacing the DNA quencher strand. This method can replace or complement radio-hazardous unstable 32P as a method of measurement of the product release from ribozyme cleavage reactions; it also eliminates the need for polyacrylamide gels, for the same purpose. Critically, this method allows to distinguish between the total amount of cleaved ribozymes and the amount of detached fragments, resulting from that cleavage reaction.
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Affiliation(s)
- Jay Bhakti Kapadia
- Electrical and Computer Engineering Department, Concordia University, Montreal, Quebec, Canada H3G 1M8
- INRS-Centre Armand-Frappier Santé Biotechnologie, Laval, Quebec, Canada H7V 1B7
| | - Nawwaf Kharma
- Electrical and Computer Engineering Department, Concordia University, Montreal, Quebec, Canada H3G 1M8
- Centre for Applied Synthetic Biology (CASB), Concordia University, Montreal, Quebec, Canada H4B 1R6
| | - Alen Nellikulam Davis
- Electrical and Computer Engineering Department, Concordia University, Montreal, Quebec, Canada H3G 1M8
| | - Nicolas Kamel
- Electrical and Computer Engineering Department, Concordia University, Montreal, Quebec, Canada H3G 1M8
| | - Jonathan Perreault
- INRS-Centre Armand-Frappier Santé Biotechnologie, Laval, Quebec, Canada H7V 1B7
- Centre for Applied Synthetic Biology (CASB), Concordia University, Montreal, Quebec, Canada H4B 1R6
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220
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Liu S, Xiang K, Wang C, Zhang Y, Fan GC, Wang W, Han H. DNA Nanotweezers for Biosensing Applications: Recent Advances and Future Prospects. ACS Sens 2022; 7:3-20. [PMID: 34989231 DOI: 10.1021/acssensors.1c01647] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
DNA nanotweezers (DTs) are reversible DNA nanodevices that can optionally switch between opened and closed states. Due to their excellent flexibility and high programmability, they have been recognized as a promising platform for constructing a diversity of biosensors and logic gates, as well as a versatile tool for molecular biology studies. In this review, we provide an overview of biosensing applications using DTs. First, the design and working principle of DTs are introduced. Next, the signal producing principles of DTs are summarized. Furthermore, biosensing applications of DTs for varying targets and purposes, both in buffers and complex biological environments, are highlighted. Finally, we provide potential opportunities and challenges for the further development of DTs.
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Affiliation(s)
- Shanshan Liu
- The State Key Laboratory of Agricultural Microbiology, College of Science, Huazhong Agricultural University, Wuhan 430070, Hubei, People’s Republic of China
| | - Kaikai Xiang
- The State Key Laboratory of Agricultural Microbiology, College of Science, Huazhong Agricultural University, Wuhan 430070, Hubei, People’s Republic of China
| | - Chunyan Wang
- The State Key Laboratory of Agricultural Microbiology, College of Science, Huazhong Agricultural University, Wuhan 430070, Hubei, People’s Republic of China
| | - Yutian Zhang
- The State Key Laboratory of Agricultural Microbiology, College of Science, Huazhong Agricultural University, Wuhan 430070, Hubei, People’s Republic of China
| | - Gao-Chao Fan
- Shandong Key Laboratory of Biochemical Analysis, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao 266042, Shandong, People’s Republic of China
| | - Wenjing Wang
- The State Key Laboratory of Agricultural Microbiology, College of Science, Huazhong Agricultural University, Wuhan 430070, Hubei, People’s Republic of China
- Ministry of Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules, College of Chemistry and Chemical Engineering, Hubei University, Wuhan 430062, People’s Republic of China
| | - Heyou Han
- The State Key Laboratory of Agricultural Microbiology, College of Science, Huazhong Agricultural University, Wuhan 430070, Hubei, People’s Republic of China
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221
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Juji S, Oishi M. Long-term Cryopreservation of Ready-to-Use DNA-Modified Gold Nanoparticle Derivatives: Effect of Preservation Temperature on Their DNA Dissociation and Functional Stability. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 2022. [DOI: 10.1246/bcsj.20210437] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Shotaro Juji
- Division of Materials Science, Faculty of Pure and Applied Sciences, University of Tsukuba, 1-1-1 Tennoudai, Tsukuba, Ibaraki 305-8573
| | - Motoi Oishi
- Division of Materials Science, Faculty of Pure and Applied Sciences, University of Tsukuba, 1-1-1 Tennoudai, Tsukuba, Ibaraki 305-8573
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222
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Tamba M, Murayama K, Asanuma H, Nakakuki T. Renewable DNA Proportional-Integral Controller with Photoresponsive Molecules. MICROMACHINES 2022; 13:mi13020193. [PMID: 35208317 PMCID: PMC8879760 DOI: 10.3390/mi13020193] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Revised: 01/21/2022] [Accepted: 01/23/2022] [Indexed: 01/25/2023]
Abstract
A molecular robot is an intelligent molecular system. A typical control problem of molecular robots is to maintain the concentration of a specific DNA strand at the desired level, which is typically attained by a molecular feedback control mechanism. A molecular feedback system can be constructed in a bottom-up method by transforming a nonlinear chemical reaction system into a pseudo-linear system. This method enables the implementation of a molecular proportional-integral (PI) controller on a DNA reaction system. However, a DNA reaction system is driven by fuel DNA strand consumption, and without a sufficient amount of fuel strands, the molecular PI controller cannot perform normal operations as a concentration regulator. In this study, we developed a design method for a molecular PI control system to regenerate fuel strands by introducing photoresponsive reaction control. To this end, we employed a photoresponsive molecule, azobenzene, to guide the reaction direction forward or backward using light irradiation. We validated our renewable design of the PI controller by numerical simulations based on the reaction kinetics. We also confirmed the proof-of-principle of our renewable design by conducting experiments using a basic DNA circuit.
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Affiliation(s)
- Masaaki Tamba
- Department of Systems Design and Informatics, Kyushu Institute of Technology, Iizuka 8208502, Japan;
| | - Keiji Murayama
- Department of Biomolecular Engineering, Graduate School of Engineering, Nagoya University, Nagoya 4648603, Japan; (K.M.); (H.A.)
| | - Hiroyuki Asanuma
- Department of Biomolecular Engineering, Graduate School of Engineering, Nagoya University, Nagoya 4648603, Japan; (K.M.); (H.A.)
| | - Takashi Nakakuki
- Department of Intelligent and Control Systems, Kyushu Institute of Technology, Iizuka 8208502, Japan
- Correspondence: ; Tel.: +81-948-29-7716
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223
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Fu H, Lv H, Zhang Q. Using entropy-driven amplifier circuit response to build nonlinear model under the influence of Lévy jump. BMC Bioinformatics 2022; 22:437. [PMID: 35057730 PMCID: PMC8772049 DOI: 10.1186/s12859-021-04331-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2021] [Accepted: 08/23/2021] [Indexed: 02/06/2023] Open
Abstract
Background Bioinformatics is a subject produced by the combination of life science and computer science. It mainly uses computer technology to study the laws of biological systems. The design and realization of DNA circuit reaction is one of the important contents of bioinformatics. Results In this paper, nonlinear dynamic system model with Lévy jump based on entropy-driven amplifier (EDA) circuit response is studied. Firstly, nonlinear biochemical reaction system model is established based on EDA circuit response. Considering the influence of disturbance factors on the system, nonlinear biochemical reaction system with Lévy jump is built. Secondly, in order to prove that the constructed system conforms to the actual meaning, the existence and uniqueness of the system solution is analyzed. Next, the sufficient conditions for the end and continuation of EDA circuit reaction are certified. Finally, the correctness of the theoretical results is proved by numerical simulation, and the reactivity of THTSignal in EDA circuit under different noise intensity is verified. Conclusions In EDA circuit reaction, the intensity of external noise has a significant impact on the system. The end of EDA circuit reaction is closely related to the intensity of Lévy noise, and Lévy jump has a significant impact on the nature of biochemical reaction system.
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224
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Hu CH, Veneziano R. Controlled Release in Hydrogels Using DNA Nanotechnology. Biomedicines 2022; 10:213. [PMID: 35203423 PMCID: PMC8869372 DOI: 10.3390/biomedicines10020213] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2021] [Revised: 01/13/2022] [Accepted: 01/16/2022] [Indexed: 12/22/2022] Open
Abstract
Gelatin is a biopolymer widely used to synthesize hydrogels for biomedical applications, such as tissue engineering and bioinks for 3D bioprinting. However, as with other biopolymer-based hydrogels, gelatin-hydrogels do not allow precise temporal control of the biomolecule distribution to mimic biological signals involved in biological mechanisms. Leveraging DNA nanotechnology tools to develop a responsive controlled release system via strand displacement has demonstrated the ability to encode logic process, which would enable a more sophisticated design for controlled release. However, this unique and dynamic system has not yet been incorporated within any hydrogels to create a complete release circuit mechanism that closely resembles the sequential distribution of biomolecules observed in the native environment. Here, we designed and synthesized versatile multi-arm DNA motifs that can be easily conjugated within a gelatin hydrogel via click chemistry to incorporate a strand displacement circuit. After validating the incorporation and showing the increased stability of DNA motifs against degradation once embedded in the hydrogel, we demonstrated the ability of our system to release multiple model cargos with temporal specificity by the addition of the trigger strands specific to each cargo. Additionally, we were able to modulate the rate and quantity of cargo release by tuning the sequence of the trigger strands.
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Affiliation(s)
| | - Remi Veneziano
- Department of Bioengineering, College of Engineering and Computing, George Mason University, Manassas, VA 20110, USA;
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225
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Meiser LC, Nguyen BH, Chen YJ, Nivala J, Strauss K, Ceze L, Grass RN. Synthetic DNA applications in information technology. Nat Commun 2022; 13:352. [PMID: 35039502 PMCID: PMC8763860 DOI: 10.1038/s41467-021-27846-9] [Citation(s) in RCA: 36] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2021] [Accepted: 12/13/2021] [Indexed: 02/08/2023] Open
Abstract
Synthetic DNA is a growing alternative to electronic-based technologies in fields such as data storage, product tagging, or signal processing. Its value lies in its characteristic attributes, namely Watson-Crick base pairing, array synthesis, sequencing, toehold displacement and polymerase chain reaction (PCR) capabilities. In this review, we provide an overview of the most prevalent applications of synthetic DNA that could shape the future of information technology. We emphasize the reasons why the biomolecule can be a valuable alternative for conventional electronic-based media, and give insights on where the DNA-analog technology stands with respect to its electronic counterparts.
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Affiliation(s)
- Linda C Meiser
- Institute for Chemical and Bioengineering, Department of Chemistry and Applied Biosciences, ETH Zurich, Vladimir-Prelog-Weg 1, CH-8093, Zurich, Switzerland
| | | | | | - Jeff Nivala
- Paul G. Allen School of Computer Science and Engineering, University of Washington, Seattle, WA, 98195, USA
| | | | - Luis Ceze
- Paul G. Allen School of Computer Science and Engineering, University of Washington, Seattle, WA, 98195, USA.
| | - Robert N Grass
- Institute for Chemical and Bioengineering, Department of Chemistry and Applied Biosciences, ETH Zurich, Vladimir-Prelog-Weg 1, CH-8093, Zurich, Switzerland.
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226
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Yang Y, Wang W, Liu H, Tong L, Mu X, Chen Z, Tang B. Sensitive Quantification of MicroRNA in Blood through Multi‐amplification Toehold‐Mediated DNA‐Strand‐Displacement Paper‐Spray Mass Spectrometry (TSD‐PS MS). Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202113051] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Yanmei Yang
- College of Chemistry Chemical Engineering and Materials Science Key Laboratory of Molecular and Nano Probes Ministry of Education Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong Institute of Molecular and Nano Science Shandong Normal University Jinan 250014 P. R. China
| | - Weiqing Wang
- College of Chemistry Chemical Engineering and Materials Science Key Laboratory of Molecular and Nano Probes Ministry of Education Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong Institute of Molecular and Nano Science Shandong Normal University Jinan 250014 P. R. China
| | - Huimin Liu
- College of Chemistry Chemical Engineering and Materials Science Key Laboratory of Molecular and Nano Probes Ministry of Education Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong Institute of Molecular and Nano Science Shandong Normal University Jinan 250014 P. R. China
| | - Lili Tong
- College of Chemistry Chemical Engineering and Materials Science Key Laboratory of Molecular and Nano Probes Ministry of Education Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong Institute of Molecular and Nano Science Shandong Normal University Jinan 250014 P. R. China
| | - Xiaoyan Mu
- College of Chemistry Chemical Engineering and Materials Science Key Laboratory of Molecular and Nano Probes Ministry of Education Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong Institute of Molecular and Nano Science Shandong Normal University Jinan 250014 P. R. China
| | - Zhenzhen Chen
- College of Chemistry Chemical Engineering and Materials Science Key Laboratory of Molecular and Nano Probes Ministry of Education Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong Institute of Molecular and Nano Science Shandong Normal University Jinan 250014 P. R. China
| | - Bo Tang
- College of Chemistry Chemical Engineering and Materials Science Key Laboratory of Molecular and Nano Probes Ministry of Education Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong Institute of Molecular and Nano Science Shandong Normal University Jinan 250014 P. R. China
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227
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Schoenit A, Lo Giudice C, Hahnen N, Ollech D, Jahnke K, Göpfrich K, Cavalcanti-Adam EA. Tuning Epithelial Cell-Cell Adhesion and Collective Dynamics with Functional DNA-E-Cadherin Hybrid Linkers. NANO LETTERS 2022; 22:302-310. [PMID: 34939414 PMCID: PMC8759084 DOI: 10.1021/acs.nanolett.1c03780] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Revised: 12/12/2021] [Indexed: 06/14/2023]
Abstract
The binding strength between epithelial cells is crucial for tissue integrity, signal transduction and collective cell dynamics. However, there is no experimental approach to precisely modulate cell-cell adhesion strength at the cellular and molecular level. Here, we establish DNA nanotechnology as a tool to control cell-cell adhesion of epithelial cells. We designed a DNA-E-cadherin hybrid system consisting of complementary DNA strands covalently bound to a truncated E-cadherin with a modified extracellular domain. DNA sequence design allows to tune the DNA-E-cadherin hybrid molecular binding strength, while retaining its cytosolic interactions and downstream signaling capabilities. The DNA-E-cadherin hybrid facilitates strong and reversible cell-cell adhesion in E-cadherin deficient cells by forming mechanotransducive adherens junctions. We assess the direct influence of cell-cell adhesion strength on intracellular signaling and collective cell dynamics. This highlights the scope of DNA nanotechnology as a precision technology to study and engineer cell collectives.
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Affiliation(s)
- Andreas Schoenit
- Biophysical
Engineering Group, Max Planck Institute
for Medical Research, Jahnstraße 29, D-69120 Heidelberg, Germany
- Department
of Cellular Biophysics, Growth Factor Mechanobiology Group, Max Planck Institute for Medical Research, Jahnstraße 29, D-69120 Heidelberg, Germany
| | - Cristina Lo Giudice
- Department
of Cellular Biophysics, Growth Factor Mechanobiology Group, Max Planck Institute for Medical Research, Jahnstraße 29, D-69120 Heidelberg, Germany
| | - Nina Hahnen
- Biophysical
Engineering Group, Max Planck Institute
for Medical Research, Jahnstraße 29, D-69120 Heidelberg, Germany
- Department
of Cellular Biophysics, Growth Factor Mechanobiology Group, Max Planck Institute for Medical Research, Jahnstraße 29, D-69120 Heidelberg, Germany
| | - Dirk Ollech
- Department
of Cellular Biophysics, Growth Factor Mechanobiology Group, Max Planck Institute for Medical Research, Jahnstraße 29, D-69120 Heidelberg, Germany
| | - Kevin Jahnke
- Biophysical
Engineering Group, Max Planck Institute
for Medical Research, Jahnstraße 29, D-69120 Heidelberg, Germany
- Department
of Physics and Astronomy, Heidelberg University, D-69120 Heidelberg, Germany
| | - Kerstin Göpfrich
- Biophysical
Engineering Group, Max Planck Institute
for Medical Research, Jahnstraße 29, D-69120 Heidelberg, Germany
- Department
of Physics and Astronomy, Heidelberg University, D-69120 Heidelberg, Germany
| | - Elisabetta Ada Cavalcanti-Adam
- Department
of Cellular Biophysics, Growth Factor Mechanobiology Group, Max Planck Institute for Medical Research, Jahnstraße 29, D-69120 Heidelberg, Germany
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228
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Cho CJ, Niederholtmeyer H, Seo H, Bhattacharya A, Devaraj NK. Functionalizing lipid sponge droplets with DNA. CHEMSYSTEMSCHEM 2022. [DOI: 10.1002/syst.202100045] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Christy J. Cho
- University of California San Diego Chemistry and Biochemistry UNITED STATES
| | - Henrike Niederholtmeyer
- Max-Planck-Institut für terrestrische Mikrobiologie: Max-Planck-Institut fur terrestrische Mikrobiologie Cell-free Synthetic Biology Group Karl-von-Frisch-Str. 10 35043 Marburg GERMANY
| | - Hyeonglim Seo
- University of California San Diego Chemistry and Biochemistry UNITED STATES
| | | | - Neal K. Devaraj
- University of California San Diego Chemistry and Biochemistry UNITED STATES
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229
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Wang C, O'Hagan MP, Li Z, Zhang J, Ma X, Tian H, Willner I. Photoresponsive DNA materials and their applications. Chem Soc Rev 2022; 51:720-760. [PMID: 34985085 DOI: 10.1039/d1cs00688f] [Citation(s) in RCA: 32] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Photoresponsive nucleic acids attract growing interest as functional constituents in materials science. Integration of photoisomerizable units into DNA strands provides an ideal handle for the reversible reconfiguration of nucleic acid architectures by light irradiation, triggering changes in the chemical and structural properties of the nanostructures that can be exploited in the development of photoresponsive functional devices such as machines, origami structures and ion channels, as well as environmentally adaptable 'smart' materials including nanoparticle aggregates and hydrogels. Moreover, photoresponsive DNA components allow control over the composition of dynamic supramolecular ensembles that mimic native networks. Beyond this, the modification of nucleic acids with photosensitizer functionality enables these biopolymers to act as scaffolds for spatial organization of electron transfer reactions mimicking natural photosynthesis. This review provides a comprehensive overview of these exciting developments in the design of photoresponsive DNA materials, and showcases a range of applications in catalysis, sensing and drug delivery/release. The key challenges facing the development of the field in the coming years are addressed, and exciting emergent research directions are identified.
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Affiliation(s)
- Chen Wang
- Institute of Chemistry, The Center for Nanoscience and Nanotechnology, The Hebrew University of Jerusalem, Jerusalem 91904, Israel.
| | - Michael P O'Hagan
- Institute of Chemistry, The Center for Nanoscience and Nanotechnology, The Hebrew University of Jerusalem, Jerusalem 91904, Israel.
| | - Ziyuan Li
- Key Laboratory for Advanced Materials, Joint International Research Laboratory of Precision Chemistry and Molecular Engineering, Feringa Nobel Prize Scientist Joint Research Center, School of Chemistry and Molecular Engineering, Frontiers Center for Materiobiology and Dynamic Chemistry, East China University of Science and Technology, Shanghai 200237, P. R. China
| | - Junji Zhang
- Key Laboratory for Advanced Materials, Joint International Research Laboratory of Precision Chemistry and Molecular Engineering, Feringa Nobel Prize Scientist Joint Research Center, School of Chemistry and Molecular Engineering, Frontiers Center for Materiobiology and Dynamic Chemistry, East China University of Science and Technology, Shanghai 200237, P. R. China
| | - Xiang Ma
- Key Laboratory for Advanced Materials, Joint International Research Laboratory of Precision Chemistry and Molecular Engineering, Feringa Nobel Prize Scientist Joint Research Center, School of Chemistry and Molecular Engineering, Frontiers Center for Materiobiology and Dynamic Chemistry, East China University of Science and Technology, Shanghai 200237, P. R. China
| | - He Tian
- Key Laboratory for Advanced Materials, Joint International Research Laboratory of Precision Chemistry and Molecular Engineering, Feringa Nobel Prize Scientist Joint Research Center, School of Chemistry and Molecular Engineering, Frontiers Center for Materiobiology and Dynamic Chemistry, East China University of Science and Technology, Shanghai 200237, P. R. China
| | - Itamar Willner
- Institute of Chemistry, The Center for Nanoscience and Nanotechnology, The Hebrew University of Jerusalem, Jerusalem 91904, Israel.
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230
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Cheng S, Kong Q, Hu X, Zhang C, Xian Y. An Ultrasensitive Strand Displacement Signal Amplification-Assisted Synchronous Fluorescence Assay for Surface Proteins of Small Extracellular Vesicle Analysis and Cancer Identification. Anal Chem 2022; 94:1085-1091. [DOI: 10.1021/acs.analchem.1c04122] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Shasha Cheng
- Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development, Department of Chemistry, School of Chemistry and Molecular Engineering, East China Normal University, Shanghai 200241, China
| | - Qianqian Kong
- Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development, Department of Chemistry, School of Chemistry and Molecular Engineering, East China Normal University, Shanghai 200241, China
| | - Xinyu Hu
- Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development, Department of Chemistry, School of Chemistry and Molecular Engineering, East China Normal University, Shanghai 200241, China
| | - Cuiling Zhang
- Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development, Department of Chemistry, School of Chemistry and Molecular Engineering, East China Normal University, Shanghai 200241, China
| | - Yuezhong Xian
- Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development, Department of Chemistry, School of Chemistry and Molecular Engineering, East China Normal University, Shanghai 200241, China
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231
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Kim E, Xu J, Kim J, Chun H. Improving the robustness of a catalyzed hairpin assembly with a three-arm nanostructure for nonenzymatic signal amplification. Analyst 2022; 147:1899-1905. [DOI: 10.1039/d2an00209d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A nonenzymatic and isothermal signal amplification was performed by a 3-arm structure based on a catalyzed hairpin DNA assembly (3-CHA). By suppressing the leakage pathway, the sensitivity (<30 pM LOD) and selectivity of the 3-CHA were improved.
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Affiliation(s)
- Eunjoo Kim
- Department of Biomedical Engineering, Korea University, Hana Science Hall, 145 Anamro, Seongbukgu, Seoul 02841, Korea
| | - Jiaxin Xu
- Department of Biomedical Engineering, Korea University, Hana Science Hall, 145 Anamro, Seongbukgu, Seoul 02841, Korea
| | - Jinah Kim
- Department of Biomedical Engineering, Korea University, Hana Science Hall, 145 Anamro, Seongbukgu, Seoul 02841, Korea
| | - Honggu Chun
- Department of Biomedical Engineering, Korea University, Hana Science Hall, 145 Anamro, Seongbukgu, Seoul 02841, Korea
- Institute of Precision Public Health, Korea University, Hana Science Hall, 145 Anamro, Seongbukgu, Seoul 02841, Korea
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232
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Asanuma H, Kamiya Y, Kashida H, Murayama K. Xeno nucleic acids (XNAs) having non-ribose scaffolds with unique supramolecular properties. Chem Commun (Camb) 2022; 58:3993-4004. [DOI: 10.1039/d1cc05868a] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
DNA and RNA have significance as a genetic materials, therapeutic potential, and supramolecular properties. Advances in nucleic acid chemistry have enabled large-scale synthesis of DNA and RNA oligonucleotides and oligomers...
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233
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Cui X, Liu Y, Zhang Q. DNA tile self-assembly driven by antibody-mediated four-way branch migration. Analyst 2022; 147:2223-2230. [DOI: 10.1039/d1an02273c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The antibody-mediated four-way branch migration mechanism provides a novel idea for realizing the assembly of nanostructures, simply by attaching structures such as tiles, proteins, quantum dots, etc. to the ends of the four-way branches.
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Affiliation(s)
- Xingdi Cui
- Key Laboratory of Advanced Design and Intelligent Computing, Dalian University, Ministry of Education, Dalian 116622, China
| | - Yuan Liu
- School of Computer Science and Technology, Dalian University of Technology, Dalian 116024, China
| | - Qiang Zhang
- Key Laboratory of Advanced Design and Intelligent Computing, Dalian University, Ministry of Education, Dalian 116622, China
- School of Computer Science and Technology, Dalian University of Technology, Dalian 116024, China
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234
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Xia LY, Tang YN, Zhang J, Dong TY, Zhou RX. Advances in the DNA Nanotechnology for the Cancer Biomarkers Analysis: Attributes and Applications. Semin Cancer Biol 2022; 86:1105-1119. [PMID: 34979273 DOI: 10.1016/j.semcancer.2021.12.012] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2021] [Revised: 12/26/2021] [Accepted: 12/29/2021] [Indexed: 02/07/2023]
Abstract
The most commonly used clinical methods are enzyme-linked immunosorbent assay (ELISA) and quantitative PCR (qPCR) in which ELISA was applied for the detection of protein biomarkers and qPCR was especially applied for nucleic acid biomarker analysis. Although these constructed methods have been applied in wide range, they also showed some inherent shortcomings such as low sensitivity, large sample volume and complex operations. At present, many methods have been successfully constructed on the basis of DNA nanotechnology with the merits of high accuracy, rapid and simple operation for cancer biomarkers assay. In this review, we summarized the bioassay strategies based on DNA nanotechnology from the perspective of the analytical attributes for the first time and discussed and the feasibility of the reported strategies for clinical application in the future.
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Affiliation(s)
- Ling-Ying Xia
- Biliary Surgical Department of West China Hospital, Sichuan University, Chengdu, Sichuan 610064, PR China; Analytical & Testing Center, Sichuan University, Chengdu, Sichuan 610064, PR China
| | - Ya-Nan Tang
- Analytical & Testing Center, Sichuan University, Chengdu, Sichuan 610064, PR China
| | - Jie Zhang
- Biliary Surgical Department of West China Hospital, Sichuan University, Chengdu, Sichuan 610064, PR China
| | - Tian-Yu Dong
- College of Chemistry, Sichuan University Chengdu, Sichuan 610064, PR China
| | - Rong-Xing Zhou
- Biliary Surgical Department of West China Hospital, Sichuan University, Chengdu, Sichuan 610064, PR China.
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235
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Amirloo B, Staroseletz Y, Yousaf S, Clarke DJ, Brown T, Aojula H, Zenkova MA, Bichenkova EV. "Bind, cleave and leave": multiple turnover catalysis of RNA cleavage by bulge-loop inducing supramolecular conjugates. Nucleic Acids Res 2021; 50:651-673. [PMID: 34967410 PMCID: PMC8789077 DOI: 10.1093/nar/gkab1273] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2021] [Revised: 12/09/2021] [Accepted: 12/13/2021] [Indexed: 12/23/2022] Open
Abstract
Antisense sequence-specific knockdown of pathogenic RNA offers opportunities to find new solutions for therapeutic treatments. However, to gain a desired therapeutic effect, the multiple turnover catalysis is critical to inactivate many copies of emerging RNA sequences, which is difficult to achieve without sacrificing the sequence-specificity of cleavage. Here, engineering two or three catalytic peptides into the bulge-loop inducing molecular framework of antisense oligonucleotides achieved catalytic turnover of targeted RNA. Different supramolecular configurations revealed that cleavage of the RNA backbone upon sequence-specific hybridization with the catalyst accelerated with increase in the number of catalytic guanidinium groups, with almost complete demolition of target RNA in 24 h. Multiple sequence-specific cuts at different locations within and around the bulge-loop facilitated release of the catalyst for subsequent attacks of at least 10 further RNA substrate copies, such that delivery of only a few catalytic molecules could be sufficient to maintain knockdown of typical RNA copy numbers. We have developed fluorescent assay and kinetic simulation tools to characterise how the limited availability of different targets and catalysts had restrained catalytic reaction progress considerably, and to inform how to accelerate the catalytic destruction of shorter linear and larger RNAs even further.
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Affiliation(s)
- Bahareh Amirloo
- School of Health Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Oxford Road, Manchester M13 9PT, UK
| | - Yaroslav Staroseletz
- Institute of Chemical Biology and Fundamental Medicine SB RAS, 8 Laurentiev Avenue, 630090 Novosibirsk, Russian Federation
| | - Sameen Yousaf
- School of Health Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Oxford Road, Manchester M13 9PT, UK
| | - David J Clarke
- School of Health Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Oxford Road, Manchester M13 9PT, UK
| | - Tom Brown
- Department of Chemistry, Chemistry Research Laboratory, University of Oxford, 12 Mansfield Road, Oxford OX1 3TA, UK
| | - Harmesh Aojula
- School of Health Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Oxford Road, Manchester M13 9PT, UK
| | - Marina A Zenkova
- Institute of Chemical Biology and Fundamental Medicine SB RAS, 8 Laurentiev Avenue, 630090 Novosibirsk, Russian Federation
| | - Elena V Bichenkova
- School of Health Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Oxford Road, Manchester M13 9PT, UK
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236
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Lee J, Na HK, Lee S, Kim WK. Advanced graphene oxide-based paper sensor for colorimetric detection of miRNA. Mikrochim Acta 2021; 189:35. [PMID: 34940914 DOI: 10.1007/s00604-021-05140-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2021] [Accepted: 12/07/2021] [Indexed: 11/26/2022]
Abstract
MicroRNAs (miRNAs), found in blood and body fluids, have emerged as potential non-invasive biomarkers for disease and injury. miRNAs are quantitatively evaluated using typical RNA analysis methods such as the quantitative reverse transcription polymerase chain reaction, microarrays, and Northern blot, all of which require complex procedures and expensive reagents. To utilize miRNAs as practical biomarkers, it will be helpful to develop simple and user-friendly sensors. In this study, a paper-based miRNA sensor was developed by combining two methods: (1) target-recycled DNAzyme (Dz) amplification and (2) graphene oxide-assisted Dz blotting on paper. The Dz spots on paper caused a miRNA-dependent color change in presence of colorimetric reagents and facilitated the quantification of absolute amount of the target miRNA, irrespective of the volume, with high reproducibility. This approach is technologically straightforward and enables quantification of as low as 7.75 fmol miRNA using a portable smartphone.
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Affiliation(s)
- Jieon Lee
- Predictive Toxicology Department, Korea Institute of Toxicology (KIT), 141 Gajeong-ro, Yuseong-gu, Daejeon, 34114, Korea.
- Human and Environmental Toxicology, University of Science and Technology, Daejeon, 34113, Korea.
| | - Hee-Kyung Na
- Center for Nano-Bio Measurement, Korea Research Institute of Standards and Science (KRISS), Daejeon, 34113, Korea
| | - Sangwoo Lee
- Predictive Toxicology Department, Korea Institute of Toxicology (KIT), 141 Gajeong-ro, Yuseong-gu, Daejeon, 34114, Korea
| | - Woo-Keun Kim
- Predictive Toxicology Department, Korea Institute of Toxicology (KIT), 141 Gajeong-ro, Yuseong-gu, Daejeon, 34114, Korea
- Human and Environmental Toxicology, University of Science and Technology, Daejeon, 34113, Korea
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237
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Abstract
We report DNA-scaffolded synergistic catalysis, a concept that combines the diverse reaction scope of synergistic catalysis with the ability of DNA to precisely preorganize abiotic groups and undergo stimuli-triggered conformational changes. As an initial demonstration of this concept, we focus on Cu-TEMPO-catalyzed aerobic alcohol oxidation, using DNA as a scaffold to hold a copper cocatalyst and an organic radical cocatalyst (TEMPO) in proximity. The DNA-scaffolded catalyst maintained a high turnover number upon dilution and exhibited 190-fold improvement in catalyst turnover number relative to the unscaffolded cocatalysts. By incorporating the cocatalysts into a DNA hairpin-containing scaffold, we demonstrate that the rate of the synergistic catalytic reaction can be controlled through a reversible DNA conformational change that alters the distance between the cocatalysts. This work demonstrates the compatibility of synergistic catalytic reactions with DNA scaffolding, opening future avenues in reaction discovery, sensing, responsive materials, and chemical biology.
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Affiliation(s)
- Edward B. Pimentel
- Department of Chemistry, University of Wisconsin-Madison, Madison, WI, 53706, USA
| | | | - Joshua J. Coon
- Department of Chemistry, University of Wisconsin-Madison, Madison, WI, 53706, USA
- Department of Biomolecular Chemistry, University of Wisconsin-Madison, Madison, WI, 53706, USA
- National Center for Quantitative Biology of Complex Systems, Madison, WI, 53706, USA
- Morgridge Institute for Research, Madison, WI, 53515, USA
| | - Jeffrey D. Martell
- Department of Chemistry, University of Wisconsin-Madison, Madison, WI, 53706, USA
- Carbone Cancer Center, University of Wisconsin School of Medicine and Public Health, Madison, WI, 53705, USA
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238
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A nanoscale reciprocating rotary mechanism with coordinated mobility control. Nat Commun 2021; 12:7138. [PMID: 34880226 PMCID: PMC8654862 DOI: 10.1038/s41467-021-27230-7] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2021] [Accepted: 11/05/2021] [Indexed: 12/17/2022] Open
Abstract
Biological molecular motors transform chemical energy into mechanical work by coupling cyclic catalytic reactions to large-scale structural transitions. Mechanical deformation can be surprisingly efficient in realizing such coupling, as demonstrated by the F1FO ATP synthase. Here, we describe a synthetic molecular mechanism that transforms a rotary motion of an asymmetric camshaft into reciprocating large-scale transitions in a surrounding stator orchestrated by mechanical deformation. We design the mechanism using DNA origami, characterize its structure via cryo-electron microscopy, and examine its dynamic behavior using single-particle fluorescence microscopy and molecular dynamics simulations. While the camshaft can rotate inside the stator by diffusion, the stator's mechanics makes the camshaft pause at preferred orientations. By changing the stator's mechanical stiffness, we accelerate or suppress the Brownian rotation, demonstrating an allosteric coupling between the camshaft and the stator. Our mechanism provides a framework for manufacturing artificial nanomachines that function because of coordinated movements of their components.
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239
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Yang Y, Wang W, Liu H, Tong L, Mu X, Chen Z, Tang B. Sensitive Quantification of MicroRNA in Blood through Multi-amplification Toehold-Mediated DNA-Strand-Displacement Paper-Spray Mass Spectrometry (TSD-PS MS). Angew Chem Int Ed Engl 2021; 61:e202113051. [PMID: 34881475 DOI: 10.1002/anie.202113051] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2021] [Indexed: 11/07/2022]
Abstract
Accurate quantification of disease-signature microRNAs (miRNAs) in biomedical samples is in high demand for clinical diagnosis but still challenging because of low miRNAs abundance and complicating interferences in the milieus. Here, we report a multi-amplification strategy for blood miRNAs analysis based on paper-spray mass spectrometry (PS MS). A toehold-mediated DNA-strand-displacement reaction (TSD) is employed to amplify the signal chain and to ensure the specificity. The signal chain is then cleaved by UV to release signal molecules for detection. Moreover, paper spray can efficiently filter out the interfering substances in blood and further enhances the detecting sensitivity. This concept is successfully demonstrated in the prototype detection of a cancer biomarker miRNA-141 in blood and serum. The proposed TSD-PS MS approach provides an efficient way for sensitive detection of oligonucleotides with low concentration in complicating milieus.
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Affiliation(s)
- Yanmei Yang
- Shandong Normal University, College of Chemistry, 80, CHINA
| | - Weiqing Wang
- Shandong Normal University, College of Chemistry, CHINA
| | - Huimin Liu
- Shandong Normal University, College of Chemistry, CHINA
| | - Lili Tong
- Shandong Normal University, College of Chmistry, CHINA
| | - Xiaoyan Mu
- Shandong Normal University, College of Chemistry, CHINA
| | - Zhenzhen Chen
- Shandong Normal University, College of Chemistry, CHINA
| | - Bo Tang
- Shandong Normal University, Chemistry, No.88 Wenhua East Road, 250014, Jinan, CHINA
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240
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Arredondo D, Lakin MR. Robust finite automata in stochastic chemical reaction networks. ROYAL SOCIETY OPEN SCIENCE 2021; 8:211310. [PMID: 34950493 PMCID: PMC8692961 DOI: 10.1098/rsos.211310] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/16/2021] [Accepted: 11/18/2021] [Indexed: 06/14/2023]
Abstract
Finite-state automata (FSA) are simple computational devices that can nevertheless illustrate interesting behaviours. We propose that FSA can be employed as control circuits for engineered stochastic biological and biomolecular systems. We present an implementation of FSA using counts of chemical species in the range of hundreds to thousands, which is relevant for the counts of many key molecules such as mRNAs in prokaryotic cells. The challenge here is to ensure a robust representation of the current state in the face of stochastic noise. We achieve this by using a multistable approximate majority algorithm to stabilize and store the current state of the system. Arbitrary finite state machines can thus be compiled into robust stochastic chemical automata. We present two variants: one that consumes its input signals to initiate state transitions and one that does not. We characterize the state change dynamics of these systems and demonstrate their application to solve the four-bit binary square root problem. Our work lays the foundation for the use of chemical automata as control circuits in bioengineered systems and biorobotics.
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Affiliation(s)
- David Arredondo
- Center for Biomedical Engineering, University of New Mexico, Albuquerque, NM 87131, USA
| | - Matthew R. Lakin
- Department of Computer Science, University of New Mexico, Albuquerque, NM 87131, USA
- Department of Chemical and Biological Engineering, University of New Mexico, Albuquerque, NM 87131, USA
- Center for Biomedical Engineering, University of New Mexico, Albuquerque, NM 87131, USA
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241
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Wu Y, Fu C, Shi W, Chen J. Recent advances in catalytic hairpin assembly signal amplification-based sensing strategies for microRNA detection. Talanta 2021; 235:122735. [PMID: 34517602 DOI: 10.1016/j.talanta.2021.122735] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2021] [Revised: 07/20/2021] [Accepted: 07/23/2021] [Indexed: 12/13/2022]
Abstract
Accumulative evidences have indicated that abnormal expression of microRNAs (miRNAs) is closely associated with many health disorders, making them be regarded as potentialbiomarkers for early clinical diagnosis. Therefore, it is extremely necessary to develop a highly sensitive, specific and reliable approach for miRNA analysis. Catalytic hairpin assembly (CHA) signal amplification is an enzyme-free toehold-mediated strand displacement method, exhibiting significant potential in improving the sensitivity of miRNA detection strategies. In this review, we first describe the potential of miRNAs as disease biomarkers and therapeutics, and summarize the latest advances in CHA signal amplification-based sensing strategies for miRNA monitoring. We describe the characteristics and mechanism of CHA signal amplification and classify the CHA-based miRNA sensing strategies into several categories based on the "signal conversion substance", including fluorophores, enzymes, nanomaterials, and nucleotide sequences. Sensing performance, limit of detection, merits and disadvantages of these miRNA sensing strategies are discussed. Moreover, the current challenges and prospects are also presented.
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Affiliation(s)
- Yan Wu
- Chongqing Key Laboratory of Inorganic Special Functional Materials, College of Chemistry and Chemical Engineering, Yangtze Normal University, Fuling, Chongqing, 408100, China.
| | - Cuicui Fu
- Chongqing Key Laboratory of Inorganic Special Functional Materials, College of Chemistry and Chemical Engineering, Yangtze Normal University, Fuling, Chongqing, 408100, China
| | - Wenbing Shi
- Chongqing Key Laboratory of Inorganic Special Functional Materials, College of Chemistry and Chemical Engineering, Yangtze Normal University, Fuling, Chongqing, 408100, China
| | - Jinyang Chen
- Chongqing Key Laboratory of Inorganic Special Functional Materials, College of Chemistry and Chemical Engineering, Yangtze Normal University, Fuling, Chongqing, 408100, China.
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242
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Li N, Zhao Y, Liu Y, Yin Z, Liu R, Zhang L, Ma L, Dai X, Zhou D, Su X. Self-resetting molecular probes for nucleic acids detection enabled by fuel dissipative systems. NANO TODAY 2021; 41:101308. [PMID: 34630625 PMCID: PMC8486598 DOI: 10.1016/j.nantod.2021.101308] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/20/2021] [Revised: 09/04/2021] [Accepted: 09/22/2021] [Indexed: 05/02/2023]
Abstract
A once-in-a-century global public health crisis, the COVID-19 pandemic has damaged human health and world economy greatly. To help combat the virus, we report a self-resetting molecular probe capable of repeatedly detecting SARS-CoV-2 RNA, developed by orchestrating a fuel dissipative system via DNA nanotechnology. A set of simulation toolkits was utilized to design the probe, permitting highly consistent signal amplitudes across cyclic detections. Uniquely, full width at half maximum regulated by dissipative kinetics exhibits a fingerprint signal suitable for high confidential identifications of single-nucleotide variants. Further examination on multiple human-infectious RNA viruses, including ZIKV, MERS-CoV, and SARS-CoV, demonstrates the generic detection capability and superior orthogonality of the probe. It also correctly classified all the clinical samples from 55 COVID-19 patients and 55 controls. Greatly enhancing the screening capability for COVID-19 and other infectious diseases, this probe could help with disease control and build a broader global public health agenda.
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Affiliation(s)
- Na Li
- College of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100029, China
| | - Yuee Zhao
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing 100071, China
| | - Yu Liu
- College of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100029, China
| | - Zhe Yin
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing 100071, China
| | - Rui Liu
- Department of Biomedical Engineering, School of Medicine, Tsinghua University, Beijing 100084, China
| | - Linghao Zhang
- College of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100029, China
| | - Liang Ma
- Clinical Laboratory, China-Japan Friendship Hospital, Beijing 100029, China
| | - Xiaochuan Dai
- Department of Biomedical Engineering, School of Medicine, Tsinghua University, Beijing 100084, China
| | - Dongsheng Zhou
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing 100071, China
| | - Xin Su
- College of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100029, China
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243
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Rubio-Sánchez R, Fabrini G, Cicuta P, Di Michele L. Amphiphilic DNA nanostructures for bottom-up synthetic biology. Chem Commun (Camb) 2021; 57:12725-12740. [PMID: 34750602 PMCID: PMC8631003 DOI: 10.1039/d1cc04311k] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2021] [Accepted: 10/28/2021] [Indexed: 12/28/2022]
Abstract
DNA nanotechnology enables the construction of sophisticated biomimetic nanomachines that are increasingly central to the growing efforts of creating complex cell-like entities from the bottom-up. DNA nanostructures have been proposed as both structural and functional elements of these artificial cells, and in many instances are decorated with hydrophobic moieties to enable interfacing with synthetic lipid bilayers or regulating bulk self-organisation. In this feature article we review recent efforts to design biomimetic membrane-anchored DNA nanostructures capable of imparting complex functionalities to cell-like objects, such as regulated adhesion, tissue formation, communication and transport. We then discuss the ability of hydrophobic modifications to enable the self-assembly of DNA-based nanostructured frameworks with prescribed morphology and functionality, and explore the relevance of these novel materials for artificial cell science and beyond. Finally, we comment on the yet mostly unexpressed potential of amphiphilic DNA-nanotechnology as a complete toolbox for bottom-up synthetic biology - a figurative and literal scaffold upon which the next generation of synthetic cells could be built.
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Affiliation(s)
- Roger Rubio-Sánchez
- Biological and Soft Systems, Cavendish Laboratory, University of Cambridge, JJ Thomson Avenue, Cambridge CB3 0HE, UK.
- fabriCELL, Molecular Sciences Research Hub, Imperial College London, London W12 0BZ, UK
| | - Giacomo Fabrini
- Department of Chemistry, Molecular Sciences Research Hub, Imperial College London, London W12 0BZ, UK
- fabriCELL, Molecular Sciences Research Hub, Imperial College London, London W12 0BZ, UK
| | - Pietro Cicuta
- Biological and Soft Systems, Cavendish Laboratory, University of Cambridge, JJ Thomson Avenue, Cambridge CB3 0HE, UK.
| | - Lorenzo Di Michele
- Department of Chemistry, Molecular Sciences Research Hub, Imperial College London, London W12 0BZ, UK
- Biological and Soft Systems, Cavendish Laboratory, University of Cambridge, JJ Thomson Avenue, Cambridge CB3 0HE, UK.
- fabriCELL, Molecular Sciences Research Hub, Imperial College London, London W12 0BZ, UK
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244
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Groeer S, Schumann K, Loescher S, Walther A. Molecular communication relays for dynamic cross-regulation of self-sorting fibrillar self-assemblies. SCIENCE ADVANCES 2021; 7:eabj5827. [PMID: 34818037 PMCID: PMC8612681 DOI: 10.1126/sciadv.abj5827] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
Structures in living systems cross-regulate via exchange of molecular information to assemble or disassemble on demand and in a coordinated, signal-triggered fashion. DNA strand displacement (DSD) reaction networks allow rational design of signaling and feedback loops, but combining DSD with structural nanotechnology to achieve self-reconfiguring hierarchical system states is still in its infancy. We introduce modular DSD networks with increasing amounts of regulatory functions, such as negative feedback, signal amplification, and signal thresholding, to cross-regulate the transient polymerization/depolymerization of two self-sorting DNA origami nanofibrils and nanotubes. This is achieved by concatenation of the DSD network with molecular information relays embedded on the origami tips. The two origamis exchange information and display programmable transient states observable by TEM and fluorescence spectroscopy. The programmability on the DSD and the origami level is a viable starting point toward more complex lifelike behavior of colloidal multicomponent systems featuring advanced signal processing functions.
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Affiliation(s)
- Saskia Groeer
- ABMS Lab–Active, Adaptive and Autonomous Bioinspired Materials, Institute for Macromolecular Chemistry, University of Freiburg, Stefan-Meier-Straße 31, 79104 Freiburg, Germany
- Freiburg Materials Research Center (FMF), University of Freiburg, Stefan-Meier-Str. 21, 79104 Freiburg, Germany
- Freiburg Center for Interactive Materials and Bioinspired Technologies (FIT), University of Freiburg, Georges-Köhler-Allee 105, 79110 Freiburg, Germany
| | - Katja Schumann
- ABMS Lab–Active, Adaptive and Autonomous Bioinspired Materials, Institute for Macromolecular Chemistry, University of Freiburg, Stefan-Meier-Straße 31, 79104 Freiburg, Germany
| | - Sebastian Loescher
- ABMS Lab–Active, Adaptive and Autonomous Bioinspired Materials, Institute for Macromolecular Chemistry, University of Freiburg, Stefan-Meier-Straße 31, 79104 Freiburg, Germany
- Freiburg Materials Research Center (FMF), University of Freiburg, Stefan-Meier-Str. 21, 79104 Freiburg, Germany
- Freiburg Center for Interactive Materials and Bioinspired Technologies (FIT), University of Freiburg, Georges-Köhler-Allee 105, 79110 Freiburg, Germany
| | - Andreas Walther
- ABMS Lab–Active, Adaptive and Autonomous Bioinspired Materials, Department of Chemistry, University of Mainz, Duesbergweg 10-14, 50447 Mainz, Germany
- Corresponding author.
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245
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Lin H, Rodríguez-Serrano AF, Hsing IM. Rational design of allosterically regulated toehold mediated strand displacement circuits for sensitive and on-site detection of small molecule metabolites. Analyst 2021; 146:7144-7151. [PMID: 34734587 DOI: 10.1039/d1an01488a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
Development of small molecule biosensors enables rapid and de-centralized small molecule detection that meets the demands of routine health monitoring and rapid diagnosis. Among them, allosteric transcription factor (aTF)-based biosensors have shown potential in modular design of small molecule detection platforms due to their ligand-regulated DNA binding activity. Here, we expand the capabilities of a biosensor that leverages the aTF-based regulation of toehold-mediated strand displacement (TMSD) circuits for uric acid (UA) detection in non-invasive salivary samples by utilizing the UA-responsive aTF HucR. The impact of the low ligand affinity of the native HucR was addressed by engineering a two-pass TMSD circuit with in silico rational design. This combined strategy achieved enrichment of the output signal and overcame the negative impact of the matrix effect on the sensitivity and overall response of the biosensor when using real samples, which enabled semi-quantitative detection in the normal salivary UA levels. As well, enhancements provided by the two-pass design halved the turnaround time to less than 15 minutes. To sum up, the two-cycle DNA circuit design enabled aTF-based simple, rapid and one-step non-invasive salivary UA detection, showing its potential in metabolite detection for health monitoring.
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Affiliation(s)
- Haosi Lin
- Department of Chemical and Biological Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, China.
| | - Alan F Rodríguez-Serrano
- Department of Chemical and Biological Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, China.
| | - I-Ming Hsing
- Department of Chemical and Biological Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, China.
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246
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Liu H, Hong F, Smith F, Goertz J, Ouldridge T, Stevens MM, Yan H, Šulc P. Kinetics of RNA and RNA:DNA Hybrid Strand Displacement. ACS Synth Biol 2021; 10:3066-3073. [PMID: 34752075 DOI: 10.1021/acssynbio.1c00336] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
In nucleic acid nanotechnology, strand displacement is a widely used mechanism where one strand from a hybridized duplex is exchanged with an invading strand that binds to a toehold, a single-stranded region on the duplex. It is used to perform logic operations on a molecular level, initiate cascaded reactions, or even for in vivo diagnostics and treatments. While systematic experimental studies have been carried out to probe the kinetics of strand displacement in DNA with different toehold lengths, sequences, and mismatch positions, there has not been a comparable investigation of RNA or RNA-DNA hybrid systems. Here, we experimentally study how toehold length, toehold location (5' or 3' end of the strand), and mismatches influence the strand displacement kinetics. We observe reaction acceleration with increasing toehold length and placement of the toehold at the 5' end of the substrate. We find that mismatches closer to the interface of toehold and duplex slow down the reaction more than remote mismatches. A comparison of RNA and DNA displacement with hybrid displacement (RNA invading DNA or DNA invading RNA) is partly explainable by the thermodynamic stabilities of the respective toehold regions, but also suggests that the rearrangement from B-form to A-form helix in the case of RNA invading DNA might play a role in the kinetics.
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Affiliation(s)
- Hao Liu
- Center for Molecular Design and Biomimetics at the Biodesign Institute and School of Molecular Sciences, Arizona State University, Tempe, Arizona 85287, United States
| | - Fan Hong
- Wyss Institute for Biologically Inspired Engineering, Harvard University, Boston, Massachusetts 02115, United States
| | - Francesca Smith
- Department of Materials, Department of Bioengineering and Institute of Biomedical Engineering, Imperial College London, London, SW7 2AZ, U.K
| | - John Goertz
- Department of Materials, Department of Bioengineering and Institute of Biomedical Engineering, Imperial College London, London, SW7 2AZ, U.K
| | - Thomas Ouldridge
- Department of Bioengineering, Imperial College London, London, SW7 2AZ, U.K
| | - Molly M. Stevens
- Department of Materials, Department of Bioengineering and Institute of Biomedical Engineering, Imperial College London, London, SW7 2AZ, U.K
| | - Hao Yan
- Center for Molecular Design and Biomimetics at the Biodesign Institute and School of Molecular Sciences, Arizona State University, Tempe, Arizona 85287, United States
| | - Petr Šulc
- Center for Molecular Design and Biomimetics at the Biodesign Institute and School of Molecular Sciences, Arizona State University, Tempe, Arizona 85287, United States
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247
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Abstract
Clustered regularly interspaced short palindromic repeats (CRISPR) technology has unique specificity for recognizing and cleaving target DNA complementary to the CRISPR guide sequence. Here, we report on a CRISPR-powered DNA computing and digital display system in which programmed DNA targets serve as the input and an ON/OFF fluorescence signal indicates a TRUE/FALSE output. This system allows the establishment of a one-to-one relationship between input and output, enabling multilevel DNA logic computing. Applying pre-CRISPR reactions that selectively maintain or inhibit CRISPR reactivity can further improve the computing capability by expanding input size. In particular, we present a paper-based microfluidic chip with freeze-dried CRISPR reaction mixtures that are programmed to digitally display the results of functional operations, including square, cube, and square-root operations. This strategy allows information decoding and displaying as well, which brings potential in next-generation DNA steganography and cryptography. We envision that the intrinsic orthogonality of CRISPR provides a new paradigm for DNA computing and molecular programming.
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Affiliation(s)
- Jiongyu Zhang
- Department of Biomedical Engineering, University of Connecticut Health Center, 263 Farmington Avenue, Farmington, Connecticut 06030, United States
- Department of Biomedical Engineering, University of Connecticut, 260 Glenbrook Road, Storrs, Connecticut 06029, United States
| | - Changchun Liu
- Department of Biomedical Engineering, University of Connecticut Health Center, 263 Farmington Avenue, Farmington, Connecticut 06030, United States
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248
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Abstract
![]()
DNA-based neural
networks are a type of DNA circuit capable of
molecular pattern recognition tasks. Winner-take-all DNA networks
have been developed to scale up the complexity of molecular pattern
recognition with a simple molecular implementation. This simplicity
was achieved by replacing negative weights in individual neurons with
lateral inhibition and competition across neurons, eliminating the
need for dual-rail representation. Here we introduce a new type of
DNA circuit that is called loser-take-all: an output signal is ON
if and only if the corresponding input has the smallest analog value
among all inputs. We develop a DNA strand-displacement implementation
of loser-take-all circuits that is cascadable without dual-rail representation,
maintaining the simplicity desired for scalability. We characterize
the impact of effective signal concentrations and reaction rates on
the circuit performance, and derive solutions for compensating undesired
signal loss and rate differences. Using these approaches, we successfully
demonstrate a three-input loser-take-all circuit with nine unique
input combinations. Complementary to winner-take-all, loser-take-all
DNA circuits could be used for recognition of molecular patterns based
on their least similarities to a set of memories, allowing classification
decisions for patterns that are extremely noisy. Moreover, the design
principle of loser-take-all could be more generally applied in other
DNA circuit implementations including k-winner-take-all.
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Affiliation(s)
- Kellen R. Rodriguez
- Business, Economics, and Management, California Institute of Technology, Pasadena, California 91125, United States
- Astrophysics, California Institute of Technology, Pasadena, California 91125, United States
- Computer Science, California Institute of Technology, Pasadena, California 91125, United States
| | - Namita Sarraf
- Bioengineering, California Institute of Technology, Pasadena, California 91125, United States
| | - Lulu Qian
- Computer Science, California Institute of Technology, Pasadena, California 91125, United States
- Bioengineering, California Institute of Technology, Pasadena, California 91125, United States
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249
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Chen L, Chen W, Liu G, Li J, Lu C, Li J, Tan W, Yang H. Nucleic acid-based molecular computation heads towards cellular applications. Chem Soc Rev 2021; 50:12551-12575. [PMID: 34604889 DOI: 10.1039/d0cs01508c] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Nucleic acids, with the advantages of programmability and biocompatibility, have been widely used to design different kinds of novel biocomputing devices. Recently, nucleic acid-based molecular computing has shown promise in making the leap from the test tube to the cell. Such molecular computing can perform logic analysis within the confines of the cellular milieu with programmable modulation of biological functions at the molecular level. In this review, we summarize the development of nucleic acid-based biocomputing devices that are rationally designed and chemically synthesized, highlighting the ability of nucleic acid-based molecular computing to achieve cellular applications in sensing, imaging, biomedicine, and bioengineering. Then we discuss the future challenges and opportunities for cellular and in vivo applications. We expect this review to inspire innovative work on constructing nucleic acid-based biocomputing to achieve the goal of precisely rewiring, even reconstructing cellular signal networks in a prescribed way.
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Affiliation(s)
- Lanlan Chen
- MOE Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety, State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou 350108, P. R. China.
| | - Wanzhen Chen
- MOE Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety, State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou 350108, P. R. China.
| | - Guo Liu
- MOE Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety, State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou 350108, P. R. China.
| | - Jingying Li
- College of Biological Science and Engineering, Fuzhou University, Fuzhou 350108, P. R. China
| | - Chunhua Lu
- MOE Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety, State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou 350108, P. R. China.
| | - Juan Li
- MOE Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety, State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou 350108, P. R. China. .,Institute of Cancer and Basic Medicine (ICBM), Chinese Academy of Sciences; The Cancer Hospital of the University of Chinese Academy of Sciences, Hangzhou, Zhejiang 310022, P. R. China
| | - Weihong Tan
- Institute of Cancer and Basic Medicine (ICBM), Chinese Academy of Sciences; The Cancer Hospital of the University of Chinese Academy of Sciences, Hangzhou, Zhejiang 310022, P. R. China.,Molecular Science and Biomedicine Laboratory (MBL), State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, College of Biology, Aptamer Engineering Center of Hunan Province, Hunan University, Changsha 410082, P. R. China
| | - Huanghao Yang
- MOE Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety, State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou 350108, P. R. China.
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250
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Singh JKD, Darley E, Ridone P, Gaston JP, Abbas A, Wickham SFJ, Baker MAB. Binding of DNA origami to lipids: maximizing yield and switching via strand displacement. Nucleic Acids Res 2021; 49:10835-10850. [PMID: 34614184 PMCID: PMC8565350 DOI: 10.1093/nar/gkab888] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2021] [Revised: 09/01/2021] [Accepted: 09/20/2021] [Indexed: 01/02/2023] Open
Abstract
Liposomes are widely used as synthetic analogues of cell membranes and for drug delivery. Lipid-binding DNA nanostructures can modify the shape, porosity and reactivity of liposomes, mediated by cholesterol modifications. DNA nanostructures can also be designed to switch conformations by DNA strand displacement. However, the optimal conditions to facilitate stable, high-yield DNA–lipid binding while allowing controlled switching by strand displacement are not known. Here, we characterized the effect of cholesterol arrangement, DNA structure, buffer and lipid composition on DNA–lipid binding and strand displacement. We observed that binding was inhibited below pH 4, and above 200 mM NaCl or 40 mM MgCl2, was independent of lipid type, and increased with membrane cholesterol content. For simple motifs, binding yield was slightly higher for double-stranded DNA than single-stranded DNA. For larger DNA origami tiles, four to eight cholesterol modifications were optimal, while edge positions and longer spacers increased yield of lipid binding. Strand displacement achieved controlled removal of DNA tiles from membranes, but was inhibited by overhang domains, which are used to prevent cholesterol aggregation. These findings provide design guidelines for integrating strand displacement switching with lipid-binding DNA nanostructures. This paves the way for achieving dynamic control of membrane morphology, enabling broader applications in nanomedicine and biophysics.
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Affiliation(s)
- Jasleen Kaur Daljit Singh
- School of Chemistry, The University of Sydney, Sydney, New South Wales, Australia.,School of Chemical and Biomolecular Engineering, The University of Sydney, Sydney, New South Wales, Australia.,The University of Sydney Nano Institute, The University of Sydney, Sydney, New South Wales, Australia
| | - Esther Darley
- School of Biotechnology and Biomolecular Sciences, University of New South Wales, Sydney, Australia
| | - Pietro Ridone
- School of Biotechnology and Biomolecular Sciences, University of New South Wales, Sydney, Australia
| | - James P Gaston
- School of Biotechnology and Biomolecular Sciences, University of New South Wales, Sydney, Australia
| | - Ali Abbas
- School of Chemical and Biomolecular Engineering, The University of Sydney, Sydney, New South Wales, Australia.,The University of Sydney Nano Institute, The University of Sydney, Sydney, New South Wales, Australia
| | - Shelley F J Wickham
- School of Chemistry, The University of Sydney, Sydney, New South Wales, Australia.,The University of Sydney Nano Institute, The University of Sydney, Sydney, New South Wales, Australia.,School of Physics, The University of Sydney, Sydney, New South Wales, Australia
| | - Matthew A B Baker
- School of Biotechnology and Biomolecular Sciences, University of New South Wales, Sydney, Australia.,CSIRO Synthetic Biology Future Science Platform, Brisbane, Australia
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