1
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Wang L, Zhang Z, Liu Y, Lin S, Zhang W, Zhu L, Xu W, Dong Y. Allosteric strand displacement isothermal amplification for the visual detection of Toxoplasma gondii in 30 minutes. Biosens Bioelectron 2024; 251:116132. [PMID: 38382270 DOI: 10.1016/j.bios.2024.116132] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2023] [Revised: 02/11/2024] [Accepted: 02/12/2024] [Indexed: 02/23/2024]
Abstract
Early detection of Toxoplasma gondii (T. gondii) is critical due to a lack of effective treatment for toxoplasmosis.This study established a simple, cost-effective, and rapid colorimetric detection method for T. gondii. The entire testing process, from sample collection to results, takes only 0.5 h. These characteristics fulfill the demands of researchers seeking rapid target detection with minimal equipment reliance. For genomic extraction, this study evaluated the ability of two filter papers to capture genomes. A rapid genomic extraction device combined with the two filter papers was designed to simplify the genomic extraction process, which was completed within 10 min and increased the detection sensitivity tenfold. The method utilized a simplified primer design for isothermal amplification, namely allosteric strand displacement (ASD), and employed an underutilized commercial color indicator, Bromothymol Blue (BTB), for signal output. Compared with other reported indicators, BTB exhibited a more pronounced color change, shifting from blue to yellow in positive samples, facilitating easier visual differentiation. The reaction was completed in 20 min with a limit of detection (LOD) as low as 0.014 T. gondii per microliter.
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Affiliation(s)
- Lei Wang
- Department of Basic Veterinary Medicine, College of Veterinary Medicine, China Agricultural University, Beijing, 100193, China
| | - Zhaoxuan Zhang
- Department of Mechanical Engineering, College of Engineering, China Agricultural University, Beijing, 100083, China
| | - Yanger Liu
- Department of Basic Veterinary Medicine, College of Veterinary Medicine, China Agricultural University, Beijing, 100193, China
| | - Shenghao Lin
- Food Laboratory of Zhongyuan, Key Laboratory of Precision Nutrition and Food Quality, Department of Nutrition and Health, China Agricultural University, Beijing, 100083, China
| | - Wenqiang Zhang
- Department of Mechanical Engineering, College of Engineering, China Agricultural University, Beijing, 100083, China
| | - Longjiao Zhu
- Food Laboratory of Zhongyuan, Key Laboratory of Precision Nutrition and Food Quality, Department of Nutrition and Health, China Agricultural University, Beijing, 100083, China
| | - Wentao Xu
- Food Laboratory of Zhongyuan, Key Laboratory of Precision Nutrition and Food Quality, Department of Nutrition and Health, China Agricultural University, Beijing, 100083, China.
| | - Yulan Dong
- Department of Basic Veterinary Medicine, College of Veterinary Medicine, China Agricultural University, Beijing, 100193, China.
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2
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Goyal S, Singh P, Sengupta S, Muthukrishnan AB, Jayaraman G. DNA-Aptamer-Based qPCR Using Light-Up Dyes for the Detection of Nucleic Acids. ACS OMEGA 2023; 8:47277-47282. [PMID: 38107963 PMCID: PMC10719997 DOI: 10.1021/acsomega.3c07599] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/01/2023] [Revised: 11/05/2023] [Accepted: 11/16/2023] [Indexed: 12/19/2023]
Abstract
Quantitative polymerase chain reaction (qPCR) is widely used in detection of nucleic acids, but existing methods either lack sequence-specific detection or are costly because they use chemically modified DNA probes. In this work, we apply a DNA aptamer and light-up dye-based chemistry for qPCR for nucleic acid quantification. In contrast to the conventional qPCR, in our method, we observe an exponential decrease in fluorescence upon DNA amplification. The qPCR method we developed produced consistent Ct vs log10 (DNA amount) standard curves, which have a linearfit with R2 value > 0.99. This qPCR technique was validated by quantifying gene targets from Streptococcus zooepidemicus (SzhasB) and Mycobacterium tuberculosis (MtrpoB). We show that our strategy is able to successfully detect DNA at as low as 800 copies/μL. To the best of our knowledge, this is the first study demonstrating the application of light-up dyes and DNA aptamers in qPCR.
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Affiliation(s)
| | - Prashant Singh
- Department of Biotechnology,
Bhupat and Jyoti Mehta School of Biosciences, Indian Institute of Technology Madras, Chennai, Tamil Nadu 600036, India
| | - Sudeshna Sengupta
- Department of Biotechnology,
Bhupat and Jyoti Mehta School of Biosciences, Indian Institute of Technology Madras, Chennai, Tamil Nadu 600036, India
| | - Anantha Barathi Muthukrishnan
- Department of Biotechnology,
Bhupat and Jyoti Mehta School of Biosciences, Indian Institute of Technology Madras, Chennai, Tamil Nadu 600036, India
| | - Guhan Jayaraman
- Department of Biotechnology,
Bhupat and Jyoti Mehta School of Biosciences, Indian Institute of Technology Madras, Chennai, Tamil Nadu 600036, India
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3
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Ma J, Guan Y, Xing F, Wang Y, Li X, Yu Q, Yu X. Smartphone-based chemiluminescence detection of aflatoxin B 1 via labelled and label-free dual sensing systems. Food Chem 2023; 413:135654. [PMID: 36796268 DOI: 10.1016/j.foodchem.2023.135654] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2022] [Revised: 01/24/2023] [Accepted: 02/06/2023] [Indexed: 02/12/2023]
Abstract
To develop a sensing platform for onsite determination of AFB1 in foodstuffs, we developed smartphone-based chemiluminescence detection of AFB1 via labelled and label-free dual modes. The labelled mode was characteristic of double streptavidin-biotin mediated signal amplification, obtaining limit of detection (LOD) of 0.04 ng/mL in the linear range of 1-100 ng/mL. To reduce the complexity in the labelled system, a label-free mode based on both split aptamer and split DNAzyme was fabricated. A satisfactory LOD of 0.33 ng/mL was generated in the linear range of 1-100 ng/mL. Both labelled and label-free sensing systems achieved outstanding recovery rate in AFB1-spiked maize and peanut kernel samples. Finally, two systems were successfully integrated into smartphone-based portable device based on custom-made components and android application, achieving comparable AFB1 detection ability to a commercial microplate reader. Our systems hold huge potential for AFB1 onsite detection in food supply chain.
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Affiliation(s)
- Junning Ma
- Key Laboratory of Agro-products Quality and Safety Control in Storage and Transport Process, Ministry of Agriculture and Rural Affairs/Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Yue Guan
- College of Food Science and Technology, Zhejiang University of Technology, Hangzhou 310014, China
| | - Fuguo Xing
- Key Laboratory of Agro-products Quality and Safety Control in Storage and Transport Process, Ministry of Agriculture and Rural Affairs/Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences, Beijing 100193, China.
| | - Yan Wang
- College of Food Science and Technology, Zhejiang University of Technology, Hangzhou 310014, China
| | - Xu Li
- Key Laboratory of Agro-products Quality and Safety Control in Storage and Transport Process, Ministry of Agriculture and Rural Affairs/Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Qiang Yu
- Qingdao Tianxiang Foods Group Co., Ltd, Qingdao 266737, China
| | - Xiaohua Yu
- Qingdao Tianxiang Foods Group Co., Ltd, Qingdao 266737, China
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4
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Mao C, Mao Y, Zhu X, Chen G, Feng C. Synthetic biology-based bioreactor and its application in biochemical analysis. Crit Rev Anal Chem 2023:1-18. [PMID: 36803337 DOI: 10.1080/10408347.2023.2180319] [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: 02/22/2023]
Abstract
In the past few years, synthetic biologists have established some biological elements and bioreactors composed of nucleotides under the guidance of engineering methods. Following the concept of engineering, the common bioreactor components in recent years are introduced and compared. At present, biosensors based on synthetic biology have been applied to water pollution monitoring, disease diagnosis, epidemiological monitoring, biochemical analysis and other detection fields. In this paper, the biosensor components based on synthetic bioreactors and reporters are reviewed. In addition, the applications of biosensors based on cell system and cell-free system in the detection of heavy metal ions, nucleic acid, antibiotics and other substances are presented. Finally, the bottlenecks faced by biosensors and the direction of optimization are also discussed.
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Affiliation(s)
- Changqing Mao
- Center for Molecular Recognition and Biosensing, School of Life Sciences, Shanghai University, Shanghai, P. R. China
| | - Yichun Mao
- Center for Molecular Recognition and Biosensing, School of Life Sciences, Shanghai University, Shanghai, P. R. China
| | - Xiaoli Zhu
- Department of Clinical Laboratory Medicine, Shanghai Tenth People's Hospital of Tongji University, Shanghai, P. R. China
| | - Guifang Chen
- Center for Molecular Recognition and Biosensing, School of Life Sciences, Shanghai University, Shanghai, P. R. China
- Shanghai Engineering Research Center of Organ Repair, Shanghai University, Shanghai, P. R. China
| | - Chang Feng
- Center for Molecular Recognition and Biosensing, School of Life Sciences, Shanghai University, Shanghai, P. R. China
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5
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Antropov DN, Stepanov GA. Molecular Mechanisms Underlying CRISPR/Cas-Based Assays for Nucleic Acid Detection. Curr Issues Mol Biol 2023; 45:649-662. [PMID: 36661529 PMCID: PMC9857636 DOI: 10.3390/cimb45010043] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2022] [Revised: 12/16/2022] [Accepted: 12/30/2022] [Indexed: 01/12/2023] Open
Abstract
Applied to investigate specific sequences, nucleic acid detection assays can help identify novel bacterial and viral infections. Most up-to-date systems combine isothermal amplification with Cas-mediated detection. They surpass standard PCR methods in detection time and sensitivity, which is crucial for rapid diagnostics. The first part of this review covers the variety of isothermal amplification methods and describes their reaction mechanisms. Isothermal amplification enables fast multiplication of a target nucleic acid sequence without expensive laboratory equipment. However, researchers aim for more reliable results, which cannot be achieved solely by amplification because it is also a source of non-specific products. This motivated the development of Cas-based assays that use Cas9, Cas12, or Cas13 proteins to detect nucleic acids and their fragments in biological specimens with high specificity. Isothermal amplification yields a high enough concentration of target nucleic acids for the specific signal to be detected via Cas protein activity. The second part of the review discusses combinations of different Cas-mediated reactions and isothermal amplification methods and presents signal detection techniques adopted in each assay. Understanding the features of Cas-based assays could inform the choice of an optimal protocol to detect different nucleic acids.
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6
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Rubel MS, Shkodenko LA, Gorbenko DA, Solyanikova VV, Maltzeva YI, Rubel AA, Koshel EI, Kolpashchikov DM. Detection of Multiplex NASBA RNA Products Using Colorimetric Split G Quadruplex Probes. Methods Mol Biol 2023; 2709:287-298. [PMID: 37572289 DOI: 10.1007/978-1-0716-3417-2_20] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/14/2023]
Abstract
Structural RNA is a challenging target for recognition by hybridization probes. This chapter addresses the recognition problem of RNA amplicons in samples obtained by multiplex nucleic acid sequence-based amplification (NASBA). The method describes the design of G-quadruplex binary (split) DNA peroxidase sensors that produces colorimetric signal upon recognition of NASBA amplicons.
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Affiliation(s)
- Maria S Rubel
- Laboratory of DNA-Nanosensor Diagnostics, ITMO University, Saint Petersburg, Russia.
| | - Liubov A Shkodenko
- Laboratory of DNA-Nanosensor Diagnostics, ITMO University, Saint Petersburg, Russia
| | - Daria A Gorbenko
- Laboratory of DNA-Nanosensor Diagnostics, ITMO University, Saint Petersburg, Russia
| | | | - Yulia I Maltzeva
- Laboratory of DNA-Nanosensor Diagnostics, ITMO University, Saint Petersburg, Russia
| | - Aleksandr A Rubel
- Laboratory of Amyloid Biology, Saint-Petersburg State University, Saint Petersburg, Russia
| | - Elena I Koshel
- Laboratory of DNA-Nanosensor Diagnostics, ITMO University, Saint Petersburg, Russia
| | - Dmitry M Kolpashchikov
- Department of Chemistry, University of Central Florida, Orlando, FL, USA
- Burnett School of Biomedical Sciences, University of Central Florida, Orlando, FL, USA
- Center for Forensic Science, University of Central Florida, Orlando, FL, USA
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7
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Liu H, Li G, Peng Z, Zhang S, Zhou X, Liu Q, Wang J, Liu Y, Jia T. Tagging Peptides with a Redox Responsive Fluorescent Probe Enabled by Photoredox Difunctionalization of Phenylacetylenes with Sulfinates and Disulfides. JACS AU 2022; 2:2821-2829. [PMID: 36590269 PMCID: PMC9795567 DOI: 10.1021/jacsau.2c00577] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/21/2022] [Accepted: 11/07/2022] [Indexed: 05/09/2023]
Abstract
Herein, we describe a photoredox three-component atom-transfer radical addition (ATRA) reaction of aryl alkynes directly with dialkyl disulfides and alkylsulfinates, circumventing the utilization of chemically unstable and synthetically challenging S-alkyl alkylthiosulfonates as viable addition partners. A vast array of (E)-β-alkylsulfonylvinyl alkylsulfides was prepared with great regio- and stereoselectivity. Moreover, this powerful tactic could be employed to tag cysteine residues of complex polypeptides in solution or on resin merging with solid phase peptide synthesis (SPPS) techniques. A sulfonyl-derived redox responsive fluorescent probe could be conveniently introduced on the peptide, which displays green fluorescence in cells while showing blue fluorescence in medium. The photophysical investigations reveal that the red shift of the emission fluorescence is attested to reduction of carbonyl group to the corresponding hydroxyl moiety. Interestingly, the fluorescence change of tagged peptide could be reverted in cells by treatment of H2O2, arising from the reoxidation of hydroxyl group back to ketone by the elevated level of reactive oxygen species (ROS).
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Affiliation(s)
- Hong Liu
- Research
Center for Chemical Biology and Omics Analysis, Department of Chemistry,
and Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology, 1088 Xueyuan Blvd., Shenzhen, Guangdong 518055, P. R. China
| | - Guolin Li
- Research
Center for Chemical Biology and Omics Analysis, Department of Chemistry,
and Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology, 1088 Xueyuan Blvd., Shenzhen, Guangdong 518055, P. R. China
- Department
of Pharmaceutical Engineering, College of Chemical Engineering, Northwest University, Taibai North Road 229, Xi’an, Shanxi 710069, P. R. China
| | - Zhiyuan Peng
- Research
Center for Chemical Biology and Omics Analysis, Department of Chemistry,
and Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology, 1088 Xueyuan Blvd., Shenzhen, Guangdong 518055, P. R. China
| | - Shishuo Zhang
- Research
Center for Chemical Biology and Omics Analysis, Department of Chemistry,
and Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology, 1088 Xueyuan Blvd., Shenzhen, Guangdong 518055, P. R. China
| | - Xin Zhou
- Research
Center for Chemical Biology and Omics Analysis, Department of Chemistry,
and Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology, 1088 Xueyuan Blvd., Shenzhen, Guangdong 518055, P. R. China
- Department
of Pharmaceutical Engineering, College of Chemical Engineering, Northwest University, Taibai North Road 229, Xi’an, Shanxi 710069, P. R. China
| | - Qingchao Liu
- Department
of Pharmaceutical Engineering, College of Chemical Engineering, Northwest University, Taibai North Road 229, Xi’an, Shanxi 710069, P. R. China
| | - Junfeng Wang
- CAS
Key Laboratory of Tropical Marine Bio-resources and Ecology/Guangdong
Key Laboratory of Marine Materia Medica/Innovation Academy of South
China Sea Ecology and Environmental Engineering, South China Sea Institute of Oceanology, Chinese Academy of Sciences, 164 West Xinggang Road, Guangzhou 510301, P. R. China
| | - Yonghong Liu
- CAS
Key Laboratory of Tropical Marine Bio-resources and Ecology/Guangdong
Key Laboratory of Marine Materia Medica/Innovation Academy of South
China Sea Ecology and Environmental Engineering, South China Sea Institute of Oceanology, Chinese Academy of Sciences, 164 West Xinggang Road, Guangzhou 510301, P. R. China
- E-mail:
| | - Tiezheng Jia
- Research
Center for Chemical Biology and Omics Analysis, Department of Chemistry,
and Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology, 1088 Xueyuan Blvd., Shenzhen, Guangdong 518055, P. R. China
- State
Key Laboratory of Elemento-Organic Chemistry, Nankai University, 94
Weijin Road, Tianjin 300071, P. R. China
- E-mail:
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8
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R O'Steen M, M Kolpashchikov D. A self-assembling split aptamer multiplex assay for SARS-COVID19 and miniaturization of a malachite green DNA-based aptamer. SENSORS AND ACTUATORS REPORTS 2022; 4:100125. [PMID: 36373144 PMCID: PMC9635949 DOI: 10.1016/j.snr.2022.100125] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/30/2022] [Revised: 09/30/2022] [Accepted: 10/19/2022] [Indexed: 06/16/2023]
Abstract
Multiplex assays often rely on expensive sensors incorporating covalently linked fluorescent dyes. Herein, we developed a self-assembling aptamer-based multiplex assay. This multiplex approach utilizes a previously established split aptamer sensor in conjugation with a novel split aptamer sensor based upon a malachite green DNA aptamer. This system was capable of simultaneous fluorescent detection of two SARS COVID-19-related sequences in one sample with individual sensors that possesses a limit of detection (LOD) in the low nM range. Optimization of the Split Malachite Green (SMG) sensor yielded a minimized aptamer construct, Mini-MG, capable of inducing fluorescence of malachite green in both a DNA hairpin and sensor format.
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Affiliation(s)
- Martin R O'Steen
- Chemistry Department, University of Central Florida, Orlando, FL, USA
| | - Dmitry M Kolpashchikov
- Chemistry Department, University of Central Florida, Orlando, FL, USA
- Burnett School of Biomedical Sciences, University of Central Florida, Orlando, FL, USA
- National Center for Forensic Science, University of Central Florida, Orlando, FL, USA
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9
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Du Y, Wang Q, Shi L, Li T. G-Quadruplex-Proximized Aptamers (G4PA) Efficiently Targeting Cell-Surface Transferrin Receptors for Targeted Cargo Delivery. NANO LETTERS 2022; 22:6328-6333. [PMID: 35900277 DOI: 10.1021/acs.nanolett.2c02064] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
DNA-assembled multiaptamer systems have been demonstrated to significantly promote the aptamer capacity of binding cell-surface-expressed proteins. However, how to conveniently harness them for efficient transmembrane delivery of targets remains a challenge. Toward this goal, here we engineer a G-quadruplex-proximized aptamer (G4PA) system in which a DNA aptamer specific for transferrin receptor (TfR) is guided by a bimolecular G4 and assembles into a dimerized proximity form that well matches homodimeric TfR highly expressed on the cancer cell surface. This system displays a higher capacity for targeting cell-surface TfR than the monomeric aptamer and super transmembrane transportation of nucleic acid cargoes, which is comparable to that of conventional liposome transfection but overcomes the lack of targeting ability of the latter. The G4PA system is then applied to the targeted delivery of siRNA for PLK1 gene silencing in positive cells rather than negative controls, showing great promise for use in precise anticancer therapy.
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Affiliation(s)
- Yi Du
- Department of Chemistry, University of Science and Technology of China, 96 Jinzhai Road, Hefei, Anhui 230026, China
| | - Qiwei Wang
- Department of Chemistry, University of Science and Technology of China, 96 Jinzhai Road, Hefei, Anhui 230026, China
| | - Lili Shi
- Department of Chemistry, Anhui University, 111 Jiulong Road, Hefei, Anhui 230601, China
| | - Tao Li
- Department of Chemistry, University of Science and Technology of China, 96 Jinzhai Road, Hefei, Anhui 230026, China
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10
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Wang L, Hast K, Aggarwal T, Baci M, Hong J, Izgu EC. MicroRNA detection in biologically relevant media using a split aptamer platform. Bioorg Med Chem 2022; 69:116909. [PMID: 35779513 DOI: 10.1016/j.bmc.2022.116909] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2022] [Revised: 06/19/2022] [Accepted: 06/23/2022] [Indexed: 11/02/2022]
Abstract
MicroRNA (miRNA)-based intercellular communication has been implicated in many functional and dysfunctional biological processes. This has raised interest in the potential use of miRNAs as biomarkers for diagnosis and prognosis. Though the list of clinically significant miRNA biomarkers is expanding, it remains challenging to adapt current chemical tools to investigate miRNAs in complex environments native to cells and tissues. We describe here a methodology for rapidly developing aptamer-based fluorescent biosensors that can specifically detect miRNAs in biologically relevant media (10-30% v/v), including medium collected from cultured HeLa cells, human serum, and human plasma. This methodology involves the semi-rational design of the hybridization between DNA oligonucleotides and the miRNA target to build a pool of potential aptamers, and the screening of this pool for high signal-to-background ratio and target specificity. The DNA oligonucleotides are readily available and require no chemical modification, rendering these chemical tools highly adaptable to any novel and niche miRNA target. Following this approach, we developed sensors that detect distinct oncogenic miRNA targets (miR-19b, miR-21, and miR-92a) at concentrations as low as 5 nM without amplification and are selective against single-nucleotide mutants. This work provides a systematic approach toward the development of miRNA biosensors that are easily accessible and can perform in biological environments with minimal sample handling.
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Affiliation(s)
- Liming Wang
- Department of Chemistry and Chemical Biology, Rutgers University, New Brunswick, NJ 08854, USA
| | - Kern Hast
- Department of Chemistry and Chemical Biology, Rutgers University, New Brunswick, NJ 08854, USA
| | - Tushar Aggarwal
- Department of Chemistry and Chemical Biology, Rutgers University, New Brunswick, NJ 08854, USA
| | - Melih Baci
- Department of Chemistry and Chemical Biology, Rutgers University, New Brunswick, NJ 08854, USA
| | - Jonathan Hong
- Department of Chemistry and Chemical Biology, Rutgers University, New Brunswick, NJ 08854, USA
| | - Enver Cagri Izgu
- Department of Chemistry and Chemical Biology, Rutgers University, New Brunswick, NJ 08854, USA; Cancer Institute of New Jersey, Rutgers University, New Brunswick, NJ 08901, USA; Rutgers Center for Lipid Research, New Jersey Institute for Food, Nutrition, and Health, Rutgers University, New Brunswick, NJ 08901, USA
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11
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Krämer J, Kang R, Grimm LM, De Cola L, Picchetti P, Biedermann F. Molecular Probes, Chemosensors, and Nanosensors for Optical Detection of Biorelevant Molecules and Ions in Aqueous Media and Biofluids. Chem Rev 2022; 122:3459-3636. [PMID: 34995461 PMCID: PMC8832467 DOI: 10.1021/acs.chemrev.1c00746] [Citation(s) in RCA: 109] [Impact Index Per Article: 54.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Synthetic molecular probes, chemosensors, and nanosensors used in combination with innovative assay protocols hold great potential for the development of robust, low-cost, and fast-responding sensors that are applicable in biofluids (urine, blood, and saliva). Particularly, the development of sensors for metabolites, neurotransmitters, drugs, and inorganic ions is highly desirable due to a lack of suitable biosensors. In addition, the monitoring and analysis of metabolic and signaling networks in cells and organisms by optical probes and chemosensors is becoming increasingly important in molecular biology and medicine. Thus, new perspectives for personalized diagnostics, theranostics, and biochemical/medical research will be unlocked when standing limitations of artificial binders and receptors are overcome. In this review, we survey synthetic sensing systems that have promising (future) application potential for the detection of small molecules, cations, and anions in aqueous media and biofluids. Special attention was given to sensing systems that provide a readily measurable optical signal through dynamic covalent chemistry, supramolecular host-guest interactions, or nanoparticles featuring plasmonic effects. This review shall also enable the reader to evaluate the current performance of molecular probes, chemosensors, and nanosensors in terms of sensitivity and selectivity with respect to practical requirement, and thereby inspiring new ideas for the development of further advanced systems.
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Affiliation(s)
- Joana Krämer
- Institute
of Nanotechnology, Karlsruhe Institute of
Technology (KIT), Hermann-von-Helmholtz Platz 1, 76344 Eggenstein-Leopoldshafen, Germany
| | - Rui Kang
- Institute
of Nanotechnology, Karlsruhe Institute of
Technology (KIT), Hermann-von-Helmholtz Platz 1, 76344 Eggenstein-Leopoldshafen, Germany
| | - Laura M. Grimm
- Institute
of Nanotechnology, Karlsruhe Institute of
Technology (KIT), Hermann-von-Helmholtz Platz 1, 76344 Eggenstein-Leopoldshafen, Germany
| | - Luisa De Cola
- Institute
of Nanotechnology, Karlsruhe Institute of
Technology (KIT), Hermann-von-Helmholtz Platz 1, 76344 Eggenstein-Leopoldshafen, Germany
- Dipartimento
DISFARM, University of Milano, via Camillo Golgi 19, 20133 Milano, Italy
- Department
of Molecular Biochemistry and Pharmacology, Instituto di Ricerche Farmacologiche Mario Negri, IRCCS, 20156 Milano, Italy
| | - Pierre Picchetti
- Institute
of Nanotechnology, Karlsruhe Institute of
Technology (KIT), Hermann-von-Helmholtz Platz 1, 76344 Eggenstein-Leopoldshafen, Germany
- P.P.: email,
| | - Frank Biedermann
- Institute
of Nanotechnology, Karlsruhe Institute of
Technology (KIT), Hermann-von-Helmholtz Platz 1, 76344 Eggenstein-Leopoldshafen, Germany
- F.B.: email,
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12
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Adegbenro A, Coleman S, Nesterova IV. Stoichiometric approach to quantitative analysis of biomolecules: the case of nucleic acids. Anal Bioanal Chem 2022; 414:1587-1594. [PMID: 34800148 PMCID: PMC8766926 DOI: 10.1007/s00216-021-03781-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2021] [Revised: 11/02/2021] [Accepted: 11/09/2021] [Indexed: 02/03/2023]
Abstract
Majority of protocols for quantitative analysis of biomarkers (including nucleic acids) require calibrations and target standards. In this work, we developed a principle for quantitative analysis that eliminates the need for a standard of a target molecule. The approach is based on stoichiometric reporting. While stoichiometry is a simple and robust analytical platform, its utility toward the analysis of biomolecules is very limited due to the lack of general methodologies for detecting the equivalence point. In this work, we engineer a new target/probe-binding model that enables detecting the equivalence point while maintaining an appropriate level of specificity. We establish the probe design principles through theoretical simulations and experimental confirmation. Further, we demonstrate the utility of the stoichiometric analysis via a proof-of-concept system based on oligonucleotide hybridization. Overall, the approach that requires neither standard nor calibration yields quantitative results with an adequate accuracy (> 90-110%) and a high specificity. The principles established in our work are very general and can extend beyond oligonucleotide targets toward quantitative analysis of many other biomolecules such as antibodies and proteins.
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Affiliation(s)
- Adeyinka Adegbenro
- Department of Chemistry and Biochemistry, Northern Illinois University, DeKalb, IL, 60115, USA
| | - Seth Coleman
- Department of Chemistry and Biochemistry, Northern Illinois University, DeKalb, IL, 60115, USA
| | - Irina V Nesterova
- Department of Chemistry and Biochemistry, Northern Illinois University, DeKalb, IL, 60115, USA.
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13
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Zheng J, Wang Q, Shi L, Peng P, Shi L, Li T. Logic-Gated Proximity Aptasensing for Cell-Surface Real-Time Monitoring of Apoptosis. Angew Chem Int Ed Engl 2021; 60:20858-20864. [PMID: 34309152 DOI: 10.1002/anie.202106651] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2021] [Indexed: 12/15/2022]
Abstract
In nature, intact apoptotic cells release ATP as a signaling molecule to trigger prompt phagocytic clearance, even at the earliest stage of apoptosis. Inspired by this, here we introduce a straightforward strategy for real-time monitoring ATP exocytosis and drug-stimulated apoptosis in the cancer cell surroundings. Triplex-boosted G-quadruplexes (tb-G4s) responding to cell environmental factors (H+ and K+ ) are engineered to construct a DNA logic-gated nanoplatform for proximity ATP aptasensing on the cell surface. It enables the real-time monitoring of cell apoptosis by capturing released endogenous ATP during chemotherapy drug stimulation, providing a sensitive approach for dynamically evaluating drug-induced apoptosis and therapeutic efficacy.
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Affiliation(s)
- Jiao Zheng
- Department of Chemistry, University of Science and Technology of China, 96 Jinzhai Road, Hefei, Anhui, 230026, China
| | - Qiwei Wang
- Department of Chemistry, University of Science and Technology of China, 96 Jinzhai Road, Hefei, Anhui, 230026, China
| | - Lin Shi
- Department of Chemistry, University of Science and Technology of China, 96 Jinzhai Road, Hefei, Anhui, 230026, China
| | - Pai Peng
- Department of Chemistry, University of Science and Technology of China, 96 Jinzhai Road, Hefei, Anhui, 230026, China
| | - Lili Shi
- Department of Chemistry, Anhui University, 111 Jiulong Road, Hefei, Anhui, 230601, China
| | - Tao Li
- Department of Chemistry, University of Science and Technology of China, 96 Jinzhai Road, Hefei, Anhui, 230026, China
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14
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Zheng J, Wang Q, Shi L, Peng P, Shi L, Li T. Logic‐Gated Proximity Aptasensing for Cell‐Surface Real‐Time Monitoring of Apoptosis. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202106651] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Jiao Zheng
- Department of Chemistry University of Science and Technology of China 96 Jinzhai Road Hefei Anhui 230026 China
| | - Qiwei Wang
- Department of Chemistry University of Science and Technology of China 96 Jinzhai Road Hefei Anhui 230026 China
| | - Lin Shi
- Department of Chemistry University of Science and Technology of China 96 Jinzhai Road Hefei Anhui 230026 China
| | - Pai Peng
- Department of Chemistry University of Science and Technology of China 96 Jinzhai Road Hefei Anhui 230026 China
| | - Lili Shi
- Department of Chemistry Anhui University 111 Jiulong Road Hefei Anhui 230601 China
| | - Tao Li
- Department of Chemistry University of Science and Technology of China 96 Jinzhai Road Hefei Anhui 230026 China
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15
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Navien TN, Yeoh TS, Anna A, Tang TH, Citartan M. Aptamers isolated against mosquito-borne pathogens. World J Microbiol Biotechnol 2021; 37:131. [PMID: 34240263 DOI: 10.1007/s11274-021-03097-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2021] [Accepted: 06/21/2021] [Indexed: 11/27/2022]
Abstract
Mosquito-borne diseases are a major threat to public health. The shortcomings of diagnostic tools, especially those that are antibody-based, have been blamed in part for the rising annual morbidity and mortality caused by these diseases. Antibodies harbor a number of disadvantages that can be clearly addressed by aptamers as the more promising molecular recognition elements. Aptamers are defined as single-stranded DNA or RNA oligonucleotides generated by SELEX that exhibit high binding affinity and specificity against a wide variety of target molecules based on their unique structural conformations. A number of aptamers were developed against mosquito-borne pathogens such as Dengue virus, Zika virus, Chikungunya virus, Plasmodium parasite, Francisella tularensis, Japanese encephalitis virus, Venezuelan equine encephalitis virus, Rift Valley fever virus and Yellow fever virus. Intrigued by these achievements, we carry out a comprehensive overview of the aptamers developed against these mosquito-borne infectious agents. Characteristics of the aptamers and their roles in diagnostic, therapeutic as well as other applications are emphasized.
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Affiliation(s)
- Tholasi Nadhan Navien
- Advanced Medical & Dental Institute (AMDI), Universiti Sains Malaysia, Bertam, 13200, Kepala Batas, Penang, Malaysia
| | - Tzi Shien Yeoh
- Advanced Medical & Dental Institute (AMDI), Universiti Sains Malaysia, Bertam, 13200, Kepala Batas, Penang, Malaysia
| | - Andrew Anna
- Advanced Medical & Dental Institute (AMDI), Universiti Sains Malaysia, Bertam, 13200, Kepala Batas, Penang, Malaysia
- Faculty of Medicine and Health Sciences, Universiti Malaysia Sarawak (UNIMAS), 94300, Kota Samarahan, Sarawak, Malaysia
| | - Thean-Hock Tang
- Advanced Medical & Dental Institute (AMDI), Universiti Sains Malaysia, Bertam, 13200, Kepala Batas, Penang, Malaysia.
| | - Marimuthu Citartan
- Advanced Medical & Dental Institute (AMDI), Universiti Sains Malaysia, Bertam, 13200, Kepala Batas, Penang, Malaysia.
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16
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Gerasimova YV, Nedorezova DD, Kolpashchikov DM. Split light up aptamers as a probing tool for nucleic acids. Methods 2021; 197:82-88. [PMID: 33992774 DOI: 10.1016/j.ymeth.2021.05.008] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2021] [Revised: 05/02/2021] [Accepted: 05/05/2021] [Indexed: 12/21/2022] Open
Abstract
Aptamers that bind non-fluorescent dyes and increase their fluorescence can be converted to fluorescent sensors. Here, we discuss and provide guidance for the design of split (binary) light up aptameric sensors (SLAS) for nucleic acid analysis. SLAS consist of two RNA or DNA strands and a fluorogenic organic dye added as a buffer component. The two strands hybridize to the analyzed DNA or RNA sequence and form a dye-binding pocket, followed by dye binding, and increase in its fluorescence. SLAS can detect nucleic acids in a cost-efficient label-free format since it does not require conjugation of organic dyes with nucleic acids. SLAS design is preferable over monolith fluorescent sensors due to simpler assay optimization and improved selectivity. RNA-based SLAS can be expressed in cells and used for intracellular monitoring and imaging biological molecules.
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Affiliation(s)
- Yulia V Gerasimova
- University of Central Florida, Chemistry Department, 4111 Libra Drive, Physical Sciences 255, Orlando, FL 32816-2366, United States.
| | - Daria D Nedorezova
- Laboratory of Molecular Robotics and Biosensor Materials, ChemBio Cluster, SCAMT Institute, ITMO University, 9 Lomonosova Str., Saint Petersburg 191002, Russian Federation
| | - Dmitry M Kolpashchikov
- University of Central Florida, Chemistry Department, 4111 Libra Drive, Physical Sciences 255, Orlando, FL 32816-2366, United States; Laboratory of Molecular Robotics and Biosensor Materials, ChemBio Cluster, SCAMT Institute, ITMO University, 9 Lomonosova Str., Saint Petersburg 191002, Russian Federation.
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17
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Connelly RP, Madalozzo PF, Mordeson JE, Pratt AD, Gerasimova YV. Promiscuous dye binding by a light-up aptamer: application for label-free multi-wavelength biosensing. Chem Commun (Camb) 2021; 57:3672-3675. [PMID: 33725073 DOI: 10.1039/d1cc00594d] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
Light-up DNA aptamers are promising label-free signal-transducers for biosensing applications due to their high chemical stability and low synthetic cost. Herein, we demonstrate that a dapoxyl DNA aptamer DAP-10-42 can be converted into a sensor generating a fluorescence signal at different wavelengths in the range of 500-660 nm depending on the dye that is present. This results from the discovered promiscuity of DAP-10-42 in binding fluorogenic dyes including arylmethane dyes. We have designed a split DAP-10-42 aptasensor for the detection of a katG gene fragment from Mycobacterium tuberculosis with a point mutation causing isoniazid resistance. Efficient interrogation of the gene fragment after nucleic acid sequence-based amplification (NASBA) is achieved directly in a protein-containing NASBA sample. This report lays a foundation for the application of the DAP-10-42 aptamer as a versatile sensing platform.
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Affiliation(s)
- Ryan P Connelly
- Department of Chemistry, University of Central Florida, 4111 Libra Dr, PSB 255, Orlando, Fl 32816, USA.
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18
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Kolpashchikov DM, Spelkov AA. Binary (Split) Light‐up Aptameric Sensors. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.201914919] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Dmitry M. Kolpashchikov
- Chemistry Department University of Central Florida Orlando FL 32816-2366 USA
- Burnett School of Biomedical Sciences University of Central Florida Orlando FL 32816 USA
| | - Alexander A. Spelkov
- Laboratory of Solution Chemistry of Advanced Materials and Technologies ITMO University 9 Lomonosova Str. St. Petersburg 191002 Russian Federation
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19
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Pumford EA, Lu J, Spaczai I, Prasetyo ME, Zheng EM, Zhang H, Kamei DT. Developments in integrating nucleic acid isothermal amplification and detection systems for point-of-care diagnostics. Biosens Bioelectron 2020; 170:112674. [PMID: 33035900 PMCID: PMC7529604 DOI: 10.1016/j.bios.2020.112674] [Citation(s) in RCA: 62] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2020] [Revised: 09/30/2020] [Accepted: 09/30/2020] [Indexed: 01/03/2023]
Abstract
Early disease detection through point-of-care (POC) testing is vital for quickly treating patients and preventing the spread of harmful pathogens. Disease diagnosis is generally accomplished using quantitative polymerase chain reaction (qPCR) to amplify nucleic acids in patient samples, permitting detection even at low target concentrations. However, qPCR requires expensive equipment, trained personnel, and significant time. These resources are not available in POC settings, driving researchers to instead utilize isothermal amplification, conducted at a single temperature, as an alternative. Common isothermal amplification methods include loop-mediated isothermal amplification, recombinase polymerase amplification, rolling circle amplification, nucleic acid sequence-based amplification, and helicase-dependent amplification. There has been a growing interest in combining such amplification methods with POC detection methods to enable the development of diagnostic tests that are well suited for resource-limited settings as well as developed countries performing mass screenings. Exciting developments have been made in the integration of these two research areas due to the significant impact that such approaches can have on healthcare. This review will primarily focus on advances made by North American research groups between 2015 and June 2020, and will emphasize integrated approaches that reduce user steps, reliance on expensive equipment, and the system's time-to-result.
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Affiliation(s)
- Elizabeth A Pumford
- Department of Bioengineering, Henry Samueli School of Engineering and Applied Sciences, University of California, Los Angeles, CA, 90095, USA
| | - Jiakun Lu
- Department of Bioengineering, Henry Samueli School of Engineering and Applied Sciences, University of California, Los Angeles, CA, 90095, USA
| | - Iza Spaczai
- Department of Bioengineering, Henry Samueli School of Engineering and Applied Sciences, University of California, Los Angeles, CA, 90095, USA
| | - Matthew E Prasetyo
- Department of Bioengineering, Henry Samueli School of Engineering and Applied Sciences, University of California, Los Angeles, CA, 90095, USA
| | - Elaine M Zheng
- Department of Bioengineering, Henry Samueli School of Engineering and Applied Sciences, University of California, Los Angeles, CA, 90095, USA
| | - Hanxu Zhang
- Department of Bioengineering, Henry Samueli School of Engineering and Applied Sciences, University of California, Los Angeles, CA, 90095, USA
| | - Daniel T Kamei
- Department of Bioengineering, Henry Samueli School of Engineering and Applied Sciences, University of California, Los Angeles, CA, 90095, USA.
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20
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Zhou Y, Yu S, Shang J, Chen Y, Wang Q, Liu X, Wang F. Construction of an Exonuclease III-Propelled Integrated DNAzyme Amplifier for Highly Efficient microRNA Detection and Intracellular Imaging with Ultralow Background. Anal Chem 2020; 92:15069-15078. [DOI: 10.1021/acs.analchem.0c03073] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Yangjie Zhou
- College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, P. R. China
| | - Shanshan Yu
- College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, P. R. China
| | - Jinhua Shang
- College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, P. R. China
| | - Yingying Chen
- College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, P. R. China
| | - Qing Wang
- College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, P. R. China
| | - Xiaoqing Liu
- College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, P. R. China
| | - Fuan Wang
- College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, P. R. China
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21
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Kolpashchikov DM, Spelkov AA. Binary (Split) Light-up Aptameric Sensors. Angew Chem Int Ed Engl 2020; 60:4988-4999. [PMID: 32208549 DOI: 10.1002/anie.201914919] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2019] [Indexed: 12/12/2022]
Abstract
This Minireview discusses the design and applications of binary (also known as split) light-up aptameric sensors (BLAS). BLAS consist of two RNA or DNA strands and a fluorogenic organic dye added as a buffer component. When associated, the two strands form a dye-binding site, followed by an increase in fluorescence of the aptamer-bound dye. The design is cost-efficient because it uses short oligonucleotides and does not require conjugation of organic dyes with nucleic acids. In some applications, BLAS design is preferable over monolithic sensors because of simpler assay optimization and improved selectivity. RNA-based BLAS can be expressed in cells and used for the intracellular monitoring of biological molecules. BLAS have been used as reporters of nucleic acid association events in RNA nanotechnology and nucleic-acid-based molecular computation. Other applications of BLAS include the detection of nucleic acids, proteins, and cancer cells, and potentially they can be tailored to report a broad range of biological analytes.
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Affiliation(s)
- Dmitry M Kolpashchikov
- Chemistry Department, University of Central Florida, Orlando, FL, 32816-2366, USA.,Burnett School of Biomedical Sciences, University of Central Florida, Orlando, FL, 32816, USA
| | - Alexander A Spelkov
- Laboratory of Solution Chemistry of Advanced Materials and Technologies, ITMO University, 9 Lomonosova Str., St. Petersburg, 191002, Russian Federation
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22
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Debiais M, Lelievre A, Smietana M, Müller S. Splitting aptamers and nucleic acid enzymes for the development of advanced biosensors. Nucleic Acids Res 2020; 48:3400-3422. [PMID: 32112111 PMCID: PMC7144939 DOI: 10.1093/nar/gkaa132] [Citation(s) in RCA: 79] [Impact Index Per Article: 19.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2019] [Revised: 02/12/2020] [Accepted: 02/18/2020] [Indexed: 12/16/2022] Open
Abstract
In analogy to split-protein systems, which rely on the appropriate fragmentation of protein domains, split aptamers made of two or more short nucleic acid strands have emerged as novel tools in biosensor set-ups. The concept relies on dissecting an aptamer into a series of two or more independent fragments, able to assemble in the presence of a specific target. The stability of the assembled structure can further be enhanced by functionalities that upon folding would lead to covalent end-joining of the fragments. To date, only a few aptamers have been split successfully, and application of split aptamers in biosensing approaches remains as promising as it is challenging. Further improving the stability of split aptamer target complexes and with that the sensitivity as well as efficient working modes are important tasks. Here we review functional nucleic acid assemblies that are derived from aptamers and ribozymes/DNAzymes. We focus on the thrombin, the adenosine/ATP and the cocaine split aptamers as the three most studied DNA split systems and on split DNAzyme assemblies. Furthermore, we extend the subject into split light up RNA aptamers used as mimics of the green fluorescent protein (GFP), and split ribozymes.
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Affiliation(s)
- Mégane Debiais
- Institut des Biomolécules Max Mousseron, University of Montpellier, CNRS, ENCSM, Montpellier, France
| | - Amandine Lelievre
- University Greifswald, Institute for Biochemistry, Greifswald, Germany
| | - Michael Smietana
- Institut des Biomolécules Max Mousseron, University of Montpellier, CNRS, ENCSM, Montpellier, France
| | - Sabine Müller
- University Greifswald, Institute for Biochemistry, Greifswald, Germany
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23
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Zaitseva SO, Baleeva NS, Zatsepin TS, Myasnyanko IN, Turaev AV, Pozmogova GE, Khrulev AA, Varizhuk AM, Baranov MS, Aralov AV. Short Duplex Module Coupled to G-Quadruplexes Increases Fluorescence of Synthetic GFP Chromophore Analogues. SENSORS 2020; 20:s20030915. [PMID: 32050425 PMCID: PMC7038953 DOI: 10.3390/s20030915] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/09/2020] [Revised: 02/01/2020] [Accepted: 02/07/2020] [Indexed: 12/11/2022]
Abstract
Aptasensors became popular instruments in bioanalytical chemistry and molecular biology. To increase specificity, perspective signaling elements in aptasensors can be separated into a G-quadruplex (G4) part and a free fluorescent dye that lights up upon binding to the G4 part. However, current systems are limited by relatively low enhancement of fluorescence upon dye binding. Here, we added duplex modules to G4 structures, which supposedly cause the formation of a dye-binding cavity between two modules. Screening of multiple synthetic GFP chromophore analogues and variation of the duplex module resulted in the selection of dyes that light up after complex formation with two-module structures and their RNA analogues by up to 20 times compared to parent G4s. We demonstrated that the short duplex part in TBA25 is preferable for fluorescence light up in comparison to parent TBA15 molecule as well as TBA31 and TBA63 stabilized by longer duplexes. Duplex part of TBA25 may be partially unfolded and has reduced rigidity, which might facilitate optimal dye positioning in the joint between G4 and the duplex. We demonstrated dye enhancement after binding to modified TBA, LTR-III, and Tel23a G4 structures and propose that such architecture of short duplex-G4 signaling elements will enforce the development of improved aptasensors.
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Affiliation(s)
- Snizhana O. Zaitseva
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Moscow 117997, Russia; (S.O.Z.); (N.S.B.); (I.N.M.); (A.A.K.)
| | - Nadezhda S. Baleeva
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Moscow 117997, Russia; (S.O.Z.); (N.S.B.); (I.N.M.); (A.A.K.)
| | - Timofei S. Zatsepin
- Skolkovo Institute of Science and Technology, Moscow 121205, Russia;
- Department of Chemistry, Lomonosov Moscow State University, Moscow 119992, Russia
| | - Ivan N. Myasnyanko
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Moscow 117997, Russia; (S.O.Z.); (N.S.B.); (I.N.M.); (A.A.K.)
| | - Anton V. Turaev
- Federal Research and Clinical Center of Physical-Chemical Medicine, Moscow 119435, Russia; (A.V.T.); (G.E.P.); (A.M.V.)
- Moscow Institute of Physics and Technology, Dolgoprudny 141700, Russia
| | - Galina E. Pozmogova
- Federal Research and Clinical Center of Physical-Chemical Medicine, Moscow 119435, Russia; (A.V.T.); (G.E.P.); (A.M.V.)
- Moscow Institute of Physics and Technology, Dolgoprudny 141700, Russia
| | - Alexei A. Khrulev
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Moscow 117997, Russia; (S.O.Z.); (N.S.B.); (I.N.M.); (A.A.K.)
| | - Anna M. Varizhuk
- Federal Research and Clinical Center of Physical-Chemical Medicine, Moscow 119435, Russia; (A.V.T.); (G.E.P.); (A.M.V.)
- Center for Precision Genome Editing and Genetic Technologies for Biomedicine, Moscow 119435, Russia
| | - Mikhail S. Baranov
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Moscow 117997, Russia; (S.O.Z.); (N.S.B.); (I.N.M.); (A.A.K.)
- Pirogov Russian National Research Medical University, Moscow 117997, Russia
- Correspondence: (M.S.B.); (A.V.A.)
| | - Andrey V. Aralov
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Moscow 117997, Russia; (S.O.Z.); (N.S.B.); (I.N.M.); (A.A.K.)
- Correspondence: (M.S.B.); (A.V.A.)
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24
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Li S, Zheng Y, Liu Y, Geng X, Liu X, Zou L, Wang Q, Yang X, Wang K. Investigation of the interaction between split aptamer and vascular endothelial growth factor 165 using single molecule force spectroscopy. J Mol Recognit 2019; 33:e2829. [PMID: 31816660 DOI: 10.1002/jmr.2829] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2019] [Revised: 11/17/2019] [Accepted: 11/28/2019] [Indexed: 01/06/2023]
Abstract
Understanding the binding of split aptamer/its target could become a breakthrough in the application of split aptamer. Herein, vascular endothelial growth factor (VEGF), a major biomarker of human diseases, was used as a model, and its interaction with split aptamer was explored with single molecule force spectroscopy (SMFS). SMFS demonstrated that the interaction force of split aptamer/VEGF165 was 169.44 ± 6.59 pN at the loading rate of 35.2 nN/s, and the binding probability of split aptamer/VEGF165 was dependent on the concentration of VEGF165 . On the basis of dynamic force spectroscopy results, one activation barrier in the dissociation process of split aptamer/VEGF165 complexes was revealed, which was similar to that of the intact aptamer/VEGF165 . Besides, the dissociation rate constant (koff ) of split aptamer/VEGF165 was close to that of intact aptamer/VEGF165 , and the interaction force of split aptamer/VEGF165 was higher than the force of intact aptamer/VEGF165 . It indicated that split aptamer also possessed high affinity with VEGF165 . The work can provide a new method for exploring the interaction of split aptamer/its targets at single-molecule level.
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Affiliation(s)
- Shaoyuan Li
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Key Laboratory for Bio-Nanotechnology and Molecular Engineering of Hunan Province, Hunan University, Changsha, China
| | - Yan Zheng
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Key Laboratory for Bio-Nanotechnology and Molecular Engineering of Hunan Province, Hunan University, Changsha, China
| | - Yaqin Liu
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Key Laboratory for Bio-Nanotechnology and Molecular Engineering of Hunan Province, Hunan University, Changsha, China
| | - Xiuhua Geng
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Key Laboratory for Bio-Nanotechnology and Molecular Engineering of Hunan Province, Hunan University, Changsha, China
| | - Xiaofeng Liu
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Key Laboratory for Bio-Nanotechnology and Molecular Engineering of Hunan Province, Hunan University, Changsha, China
| | - Liyuan Zou
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Key Laboratory for Bio-Nanotechnology and Molecular Engineering of Hunan Province, Hunan University, Changsha, China
| | - Qing Wang
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Key Laboratory for Bio-Nanotechnology and Molecular Engineering of Hunan Province, Hunan University, Changsha, China
| | - Xiaohai Yang
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Key Laboratory for Bio-Nanotechnology and Molecular Engineering of Hunan Province, Hunan University, Changsha, China
| | - Kemin Wang
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Key Laboratory for Bio-Nanotechnology and Molecular Engineering of Hunan Province, Hunan University, Changsha, China
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25
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Dong H, Lu B, Wang J, Xie J, Liu K, Jia L, Zhuang J. Polymerization-driven successive collapse of DNA dominoes enabling highly sensitive cancer gene diagnosis. Chem Commun (Camb) 2019; 55:14797-14800. [PMID: 31761905 DOI: 10.1039/c9cc07508a] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We propose a novel fluorescence assay method by designing a polymerization-driven DNA dominoes collapse (PDDC) strategy, enabling highly sensitive detection of p53 gene (as a model analyte) and single nucleotide polymorphism analysis.
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Affiliation(s)
- Haiyan Dong
- Fujian Key Laboratory for Translational Research in Cancer and Neurodegenerative Diseases, Institute for Translational Medicine, Fujian Medical University, Fuzhou, Fujian 350108, China.
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26
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Abstract
Hybridization probes are RNA or DNA oligonucleotides or their analogs that bind to specific nucleotide sequences in targeted nucleic acids (analytes) via Watson-Crick base pairs to form probe-analyte hybrids. Formation of a stable hybrid would indicate the presence of a DNA or RNA fragment complementary to the known probe sequence. Some of the well-known technologies that rely on nucleic acid hybridization are TaqMan and molecular beacon (MB) probes, fluorescent in situ hybridization (FISH), polymerase chain reaction (PCR), antisense, siRNA, and CRISPR/cas9, among others. Although invaluable tools for DNA and RNA recognition, hybridization probes suffer from several common disadvantages including low selectivity under physiological conditions, low affinity to folded single-stranded RNA and double-stranded DNA, and high cost of dye-labeled and chemically modified probes. Hybridization probes are evolving into multifunctional molecular devices (dubbed here "multicomponent probes", "DNA machines", and "DNA robots") to satisfy complex and often contradictory requirements of modern biomedical applications. In the definition used here, "multicomponent probes" are DNA probes that use more than one oligonucleotide complementary to an analyzed sequence. A "DNA machine" is an association of a discrete number of DNA strands that undergoes structural rearrangements in response to the presence of a specific analyte. Unlike multicomponent probes, DNA machines unify several functional components in a single association even in the absence of a target. DNA robots are DNA machines equipped with computational (analytic) capabilities. This Account is devoted to an overview of the ongoing evolution of hybridization probes to DNA machines and robots. The Account starts with a brief excursion to historically significant and currently used instantaneous probes. The majority of the text is devoted to the design of (i) multicomponent probes and (ii) DNA machines for nucleic acid recognition and analysis. The fundamental advantage of both designs is their ability to simultaneously address multiple problems of RNA/DNA analysis. This is achieved by modular design, in which several specialized functional components are used simultaneously for recognition of RNA or DNA analytes. The Account is concluded with the analysis of perspectives for further evolution of DNA machines into DNA robots.
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Affiliation(s)
- Dmitry M. Kolpashchikov
- Department of Chemistry, University of Central Florida, 4111 Libra Drive, Physical Sciences
255, Orlando, Florida 32816-2366, United States
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27
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Recent Development of Aptamer Sensors for the Quantification of Aflatoxin B1. APPLIED SCIENCES-BASEL 2019. [DOI: 10.3390/app9112364] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Aflatoxin B1 (AFB1) is one of the most frequently-found mycotoxins in contaminated food. As the content of mycotoxins is particularly low in food, the development of probes to detect AFB1 in foods with high sensitivity and selectivity is an urgent social need for the evaluation of food quality. Numerous techniques have been developed to monitor AFB1. Nevertheless, most of them require cumbersome, labor-consuming, and sophisticated instruments, which have limited their application. An aptamer is a single, short nucleic acid sequence that is capable of recognizing different targets. Owing to their unique properties, aptamers have been considered as alternatives to antibodies. Aptasensors are considered to be an emerging strategy for the quantification of aflatoxin B1 with high selectivity and sensitivity. In this review, we summarize recent developments in colormetric, electrochemical, SERS, and fluorescent aptasensors for the quantification of AFB1. Finally, the perspectives and current challenges of aptasensors for AFB1 are outlined.
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Abstract
Advances in nucleic acid sequencing and genotyping technologies have facilitated the discovery of an increasing number of single-nucleotide variations (SNVs) associated with disease onset, progression, and response to therapy. The reliable detection of such disease-specific SNVs can ensure timely and effective therapeutic action, enabling precision medicine. This has driven extensive efforts in recent years to develop novel methods for the fast and cost-effective analysis of targeted SNVs. In this Review, we highlight the most recent and significant advances made toward the development of such methodologies.
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Affiliation(s)
- Alireza Abi
- Department of Chemistry, Faculty of Sciences, Shiraz University, Shiraz 7194684795, Iran
| | - Afsaneh Safavi
- Department of Chemistry, Faculty of Sciences, Shiraz University, Shiraz 7194684795, Iran
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