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Wei K, Ye Z, Dong W, Zhang L, Wang W, Li J, Eltzov E, Wang S, Mao X. Generating robust aptamers for food analysis by sequence-based configuration optimization. Talanta 2024; 275:126044. [PMID: 38626500 DOI: 10.1016/j.talanta.2024.126044] [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: 12/13/2023] [Revised: 04/01/2024] [Accepted: 04/02/2024] [Indexed: 04/18/2024]
Abstract
Advanced analytical techniques are emerging in the food industry. Aptamer-based biosensors achieve rapid and highly selective analysis, thus drawing particular attention. Aptamers are oligonucleotide probes screened via in vitro Systematic Evolution of Ligands by EXponential Enrichment (SELEX), which can bind with their specific targets by folding into three-dimensional configurations and accept various modifications to be incorporated into biosensors, showing great potential in food analysis. Unfortunately, aptamers obtained by SELEX may not possess satisfactory affinity. Post-SELEX strategies were proposed to optimize aptamers' configuration and enhance the binding affinity, with specificity confirmed. Sequence-based optimization strategies exhibit great advantages in simple operation, good generalization, low cost, etc. This review summarizes the latest study (2015-2023) on generating robust aptamers for food targets by sequence-based configuration optimization, as well as the generated aptamers and aptasensors, with an expectation to provide inspirations for developing aptamer and aptasensors with high performance for food analysis and to safeguard food quality and safety.
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Affiliation(s)
- Kaiyue Wei
- State Key Laboratory of Marine Food Processing and Safety Control, College of Food Science and Engineering, Ocean University of China, Qingdao, 266404, PR China; Qingdao Key Laboratory of Food Biotechnology, Qingdao, 266404, PR China; Key Laboratory of Biological Processing of Aquatic Products, China National Light Industry, 266404, PR China
| | - Ziyang Ye
- State Key Laboratory of Marine Food Processing and Safety Control, College of Food Science and Engineering, Ocean University of China, Qingdao, 266404, PR China; Qingdao Key Laboratory of Food Biotechnology, Qingdao, 266404, PR China; Key Laboratory of Biological Processing of Aquatic Products, China National Light Industry, 266404, PR China
| | - Wenhui Dong
- State Key Laboratory of Marine Food Processing and Safety Control, College of Food Science and Engineering, Ocean University of China, Qingdao, 266404, PR China; Qingdao Key Laboratory of Food Biotechnology, Qingdao, 266404, PR China; Key Laboratory of Biological Processing of Aquatic Products, China National Light Industry, 266404, PR China
| | - Ling Zhang
- State Key Laboratory of Marine Food Processing and Safety Control, College of Food Science and Engineering, Ocean University of China, Qingdao, 266404, PR China; Qingdao Key Laboratory of Food Biotechnology, Qingdao, 266404, PR China; Key Laboratory of Biological Processing of Aquatic Products, China National Light Industry, 266404, PR China
| | - Wenjing Wang
- State Key Laboratory of Marine Food Processing and Safety Control, College of Food Science and Engineering, Ocean University of China, Qingdao, 266404, PR China; Qingdao Key Laboratory of Food Biotechnology, Qingdao, 266404, PR China; Key Laboratory of Biological Processing of Aquatic Products, China National Light Industry, 266404, PR China
| | - Jiao Li
- State Key Laboratory of Marine Food Processing and Safety Control, College of Food Science and Engineering, Ocean University of China, Qingdao, 266404, PR China; Qingdao Key Laboratory of Food Biotechnology, Qingdao, 266404, PR China; Key Laboratory of Biological Processing of Aquatic Products, China National Light Industry, 266404, PR China
| | - Evgeni Eltzov
- Department of Postharvest Science, Institute of Postharvest and Food Sciences, The Volcani Center, Agricultural Research Organization, Bet Dagan, 50250, Israel
| | - Sai Wang
- State Key Laboratory of Marine Food Processing and Safety Control, College of Food Science and Engineering, Ocean University of China, Qingdao, 266404, PR China; Qingdao Key Laboratory of Food Biotechnology, Qingdao, 266404, PR China; Key Laboratory of Biological Processing of Aquatic Products, China National Light Industry, 266404, PR China.
| | - Xiangzhao Mao
- State Key Laboratory of Marine Food Processing and Safety Control, College of Food Science and Engineering, Ocean University of China, Qingdao, 266404, PR China; Laboratory for Marine Drugs and Bioproducts of Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266237, PR China; Qingdao Key Laboratory of Food Biotechnology, Qingdao, 266404, PR China; Key Laboratory of Biological Processing of Aquatic Products, China National Light Industry, 266404, PR China
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Toma L, Mattarozzi M, Ronda L, Marassi V, Zattoni A, Fortunati S, Giannetto M, Careri M. Are Aptamers Really Promising as Receptors for Analytical Purposes? Insights into Anti-Lysozyme DNA Aptamers through a Multitechnique Study. Anal Chem 2024; 96:2719-2726. [PMID: 38294352 DOI: 10.1021/acs.analchem.3c05883] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2024]
Abstract
Aptamers are recognition elements increasingly used for the development of biosensing strategies, especially in the detection of proteins or small molecule targets. Lysozyme, which is recognized as an important biomarker for various diseases and a major allergenic protein found in egg whites, is one of the main analytical targets of aptamer-based biosensors. However, since aptamer-based strategies can be prone to artifacts and data misinterpretation, rigorous strategies for multifaceted characterization of the aptamer-target interaction are needed. In this work, a multitechnique approach has been devised to get further insights into the binding performance of the anti-lysozyme DNA aptamers commonly used in the literature. To study molecular interactions between lysozyme and different anti-lysozyme DNA aptamers, measurements based on a magneto-electrochemical apta-assay, circular dichroism spectroscopy, fluorescence spectroscopy, and asymmetrical flow field-flow fractionation were performed. The reliability and versatility of the approach were proved by investigating a SELEX-selected RNA aptamer reported in the literature, that acts as a positive control. The results confirmed that an interaction in the low micromolar range is present in the investigated binding buffers, and the binding is not associated with a conformational change of either the protein or the DNA aptamer. The similar behavior of the anti-lysozyme DNA aptamers compared to that of randomized sequences and polythymine, used as negative controls, showed nonsequence-specific interactions. This study demonstrates that severe testing of aptamers resulting from SELEX selection is the unique way to push these biorecognition elements toward reliable and reproducible results in the analytical field.
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Affiliation(s)
- Lorenzo Toma
- Department of Chemistry, Life Sciences and Environmental Sustainability, University of Parma, Parma 43124, Italy
| | - Monica Mattarozzi
- Department of Chemistry, Life Sciences and Environmental Sustainability, University of Parma, Parma 43124, Italy
- Interdepartmental Center SITEIA.PARMA, University of Parma, Parma 43124, Italy
| | - Luca Ronda
- Department of Medicine and Surgery, University of Parma, Parma 43124, Italy
- CNR, Institute of Biophysics, Pisa 56124, Italy
| | - Valentina Marassi
- Department of Chemistry, University of Bologna, Via Selmi 2, Bologna 40126, Italy
- byFlow srl, Bologna 40126, Italy
- INBB, National Institute for Biostructures and Biosystems, Rome 00136 , Italy
| | - Andrea Zattoni
- Department of Chemistry, University of Bologna, Via Selmi 2, Bologna 40126, Italy
- byFlow srl, Bologna 40126, Italy
- INBB, National Institute for Biostructures and Biosystems, Rome 00136 , Italy
| | - Simone Fortunati
- Department of Chemistry, Life Sciences and Environmental Sustainability, University of Parma, Parma 43124, Italy
- INBB, National Institute for Biostructures and Biosystems, Rome 00136 , Italy
| | - Marco Giannetto
- Department of Chemistry, Life Sciences and Environmental Sustainability, University of Parma, Parma 43124, Italy
- Interdepartmental Center SITEIA.PARMA, University of Parma, Parma 43124, Italy
- INBB, National Institute for Biostructures and Biosystems, Rome 00136 , Italy
| | - Maria Careri
- Department of Chemistry, Life Sciences and Environmental Sustainability, University of Parma, Parma 43124, Italy
- Interdepartmental Center SITEIA.PARMA, University of Parma, Parma 43124, Italy
- INBB, National Institute for Biostructures and Biosystems, Rome 00136 , Italy
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Lee SY, Kim EO, Jang D, Hwang S, Rhee KJ, Yun M. Method to Determine the Optimal Aptamer-to-Bead Ratio by Using Flow Cytometry. SCIENTIFICA 2023; 2023:5842652. [PMID: 37469438 PMCID: PMC10353897 DOI: 10.1155/2023/5842652] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/20/2023] [Revised: 06/22/2023] [Accepted: 06/27/2023] [Indexed: 07/21/2023]
Abstract
Research on the effective attachment of aptamers to beads, which is essential for using aptamers, has made relatively little progress. Here, we demonstrate a new method based on flow cytometry to determine the optimal aptamer-to-bead ratio for aptamer immobilization. The fluorescence intensity increased with a gradual two-fold increase in the aptamer fluorescence concentration, peaked at an aptamer-to-bead ratio of 2.56 × 105, and tended to decrease at higher ratios. A similar pattern was observed in an additional analysis using fluorescence microscopy. However, measurement of the free aptamer concentration after the aptamer-bead conjugation reaction revealed a large aptamer loss compared to the 1.28 × 105 aptamer-bead ratio. In addition, the binding efficiency of the aptamer/bead to the target was highest at the aptamer-to-bead ratio of 1.28 × 105. Taken together, our data suggest that the proposed method is the best and easiest for determining the optimal aptamer-to-bead ratio.
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Affiliation(s)
- Sun Young Lee
- Lab of Functional Aptamer, Department of Bioindustry and Bioresource Engineering, College of Life Sciences, Sejong University, Seoul, Republic of Korea
- Resource Upcycling and Discovery Research Institute, Sejong University, Seoul, Republic of Korea
| | - Eun-Ok Kim
- Medical Science Research Center, Korea University College of Medicine, Seoul, Republic of Korea
| | - Daehyuk Jang
- Lab of Functional Aptamer, Department of Bioindustry and Bioresource Engineering, College of Life Sciences, Sejong University, Seoul, Republic of Korea
- Resource Upcycling and Discovery Research Institute, Sejong University, Seoul, Republic of Korea
| | - Soonjae Hwang
- Department of Biochemistry, Lee Gil Ya Cancer and Diabetes Institute, College of Medicine, Gachon University, Incheon, Republic of Korea
| | - Ki-Jong Rhee
- Department of Biomedical Laboratory Science, College of Software & Digital Healthcare Convergence, Yonsei University MIRAE Campus, Wonju, Gangwon-do, Republic of Korea
| | - Miyong Yun
- Lab of Functional Aptamer, Department of Bioindustry and Bioresource Engineering, College of Life Sciences, Sejong University, Seoul, Republic of Korea
- Resource Upcycling and Discovery Research Institute, Sejong University, Seoul, Republic of Korea
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Yang L, Zhang Y, Dong X, Wang X, Li M, Jiang L, Liu Z. An impedance aptasensing method based on the Strep-Tag system integrated apta-magnetic probe for acetamiprid determination. Microchem J 2023. [DOI: 10.1016/j.microc.2023.108513] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/10/2023]
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Onaş AM, Dascălu C, Raicopol MD, Pilan L. Critical Design Factors for Electrochemical Aptasensors Based on Target-Induced Conformational Changes: The Case of Small-Molecule Targets. BIOSENSORS 2022; 12:816. [PMID: 36290952 PMCID: PMC9599214 DOI: 10.3390/bios12100816] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/03/2022] [Revised: 09/19/2022] [Accepted: 09/23/2022] [Indexed: 06/16/2023]
Abstract
Nucleic-acid aptamers consisting in single-stranded DNA oligonucleotides emerged as very promising biorecognition elements for electrochemical biosensors applied in various fields such as medicine, environmental, and food safety. Despite their outstanding features, such as high-binding affinity for a broad range of targets, high stability, low cost and ease of modification, numerous challenges had to be overcome from the aptamer selection process on the design of functioning biosensing devices. Moreover, in the case of small molecules such as metabolites, toxins, drugs, etc., obtaining efficient binding aptamer sequences proved a challenging task given their small molecular surface and limited interactions between their functional groups and aptamer sequences. Thus, establishing consistent evaluation standards for aptamer affinity is crucial for the success of these aptamers in biosensing applications. In this context, this article will give an overview on the thermodynamic and structural aspects of the aptamer-target interaction, its specificity and selectivity, and will also highlight the current methods employed for determining the aptamer-binding affinity and the structural characterization of the aptamer-target complex. The critical aspects regarding the generation of aptamer-modified electrodes suitable for electrochemical sensing, such as appropriate bioreceptor immobilization strategy and experimental conditions which facilitate a convenient anchoring and stability of the aptamer, are also discussed. The review also summarizes some effective small molecule aptasensing platforms from the recent literature.
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Affiliation(s)
- Andra Mihaela Onaş
- Advanced Polymer Materials Group, University ‘Politehnica’ of Bucharest, 1-7 Gheorghe Polizu, District 1, 011061 Bucharest, Romania
| | - Constanţa Dascălu
- Faculty of Applied Sciences, University ‘Politehnica’ of Bucharest, 313 Splaiul Independenţei, District 6, 060042 Bucharest, Romania
| | - Matei D. Raicopol
- Faculty of Chemical Engineering and Biotechnologies, University ‘Politehnica’ of Bucharest, 1-7 Gheorghe Polizu, District 1, 011061 Bucharest, Romania
| | - Luisa Pilan
- Faculty of Chemical Engineering and Biotechnologies, University ‘Politehnica’ of Bucharest, 1-7 Gheorghe Polizu, District 1, 011061 Bucharest, Romania
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Calabria D, Zangheri M, Pour SRS, Trozzi I, Pace A, Lazzarini E, Calabretta MM, Mirasoli M, Guardigli M. Luminescent Aptamer-Based Bioassays for Sensitive Detection of Food Allergens. BIOSENSORS 2022; 12:644. [PMID: 36005040 PMCID: PMC9405952 DOI: 10.3390/bios12080644] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/28/2022] [Revised: 08/11/2022] [Accepted: 08/12/2022] [Indexed: 02/06/2023]
Abstract
The presence of hidden allergens in food products, often due to unintended contamination along the food supply chain (production, transformation, processing, and transport), has raised the urgent need for rapid and reliable analytical methods for detecting trace levels of such species in food products. Indeed, food allergens represent a high-risk factor for allergic subjects due to potentially life-threatening adverse reactions. Portable biosensors based on immunoassays have already been developed as rapid, sensitive, selective, and low-cost analytical platforms that can replace analyses with traditional bench-top instrumentation. Recently, aptamers have attracted great interest as alternative biorecognition molecules for bioassays, since they can bind a variety of targets with high specificity and selectivity, and they enable the development of assays exploiting a variety of transduction and detection technologies. In particular, aptasensors based on luminescence detection have been proposed, taking advantage of the development of ultrasensitive tracers and enhancers. This review aims to summarize and discuss recent efforts in the field of food allergen analysis using aptamer-based bioassays with luminescence detection.
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Affiliation(s)
- Donato Calabria
- Department of Chemistry “Giacomo Ciamician”, Alma Mater Studiorum, University of Bologna, Via Francesco Selmi 2, I-40126 Bologna, Italy
- Interdepartmental Centre for Industrial Aerospace Research (CIRI AEROSPACE), Alma Mater Studiorum, University of Bologna, Via Baldassarre Canaccini 12, I-47121 Forlì, Italy
| | - Martina Zangheri
- Department of Chemistry “Giacomo Ciamician”, Alma Mater Studiorum, University of Bologna, Via Francesco Selmi 2, I-40126 Bologna, Italy
- Interdepartmental Centre for Industrial Agrofood Research (CIRI AGRO), Alma Mater Studiorum, University of Bologna, Via Quinto Bucci 336, I-47521 Cesena, Italy
- Interdepartmental Centre for Industrial Research in Advanced Mechanical Engineering Applications and Materials Technology (CIRI MAM), Alma Mater Studiorum, University of Bologna, Viale Risorgimento 2, I-40136 Bologna, Italy
| | - Seyedeh Rojin Shariati Pour
- Department of Chemistry “Giacomo Ciamician”, Alma Mater Studiorum, University of Bologna, Via Francesco Selmi 2, I-40126 Bologna, Italy
| | - Ilaria Trozzi
- Department of Chemistry “Giacomo Ciamician”, Alma Mater Studiorum, University of Bologna, Via Francesco Selmi 2, I-40126 Bologna, Italy
| | - Andrea Pace
- Department of Chemistry “Giacomo Ciamician”, Alma Mater Studiorum, University of Bologna, Via Francesco Selmi 2, I-40126 Bologna, Italy
| | - Elisa Lazzarini
- Department of Chemistry “Giacomo Ciamician”, Alma Mater Studiorum, University of Bologna, Via Francesco Selmi 2, I-40126 Bologna, Italy
| | - Maria Maddalena Calabretta
- Department of Chemistry “Giacomo Ciamician”, Alma Mater Studiorum, University of Bologna, Via Francesco Selmi 2, I-40126 Bologna, Italy
| | - Mara Mirasoli
- Department of Chemistry “Giacomo Ciamician”, Alma Mater Studiorum, University of Bologna, Via Francesco Selmi 2, I-40126 Bologna, Italy
- Interdepartmental Centre for Industrial Aerospace Research (CIRI AEROSPACE), Alma Mater Studiorum, University of Bologna, Via Baldassarre Canaccini 12, I-47121 Forlì, Italy
- Interdepartmental Centre for Industrial Research in Renewable Resources, Environment, Sea, and Energy (CIRI FRAME), Alma Mater Studiorum, University of Bologna, Via Sant’Alberto 163, I-48123 Ravenna, Italy
| | - Massimo Guardigli
- Department of Chemistry “Giacomo Ciamician”, Alma Mater Studiorum, University of Bologna, Via Francesco Selmi 2, I-40126 Bologna, Italy
- Interdepartmental Centre for Industrial Aerospace Research (CIRI AEROSPACE), Alma Mater Studiorum, University of Bologna, Via Baldassarre Canaccini 12, I-47121 Forlì, Italy
- Interdepartmental Centre for Industrial Research in Renewable Resources, Environment, Sea, and Energy (CIRI FRAME), Alma Mater Studiorum, University of Bologna, Via Sant’Alberto 163, I-48123 Ravenna, Italy
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Marassi V, Mattarozzi M, Toma L, Giordani S, Ronda L, Roda B, Zattoni A, Reschiglian P, Careri M. FFF-based high-throughput sequence shortlisting to support the development of aptamer-based analytical strategies. Anal Bioanal Chem 2022; 414:5519-5527. [PMID: 35182166 PMCID: PMC9242963 DOI: 10.1007/s00216-022-03971-2] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2021] [Revised: 02/05/2022] [Accepted: 02/08/2022] [Indexed: 01/13/2023]
Abstract
Aptamers are biomimetic receptors that are increasingly exploited for the development of optical and electrochemical aptasensors. They are selected in vitro by the SELEX (Systematic Evolution of Ligands by Exponential Enrichment) procedure, but although they are promising recognition elements, for their reliable applicability for analytical purposes, one cannot ignore sample components that cause matrix effects. This particularly applies when different SELEX-selected aptamers and related truncated sequences are available for a certain target, and the choice of the aptamer should be driven by the specific downstream application. In this context, the present work aimed at investigating the potentialities of asymmetrical flow field-flow fractionation (AF4) with UV detection for the development of a screening method of a large number of anti-lysozyme aptamers towards lysozyme, including randomized sequences and an interfering agent (serum albumin). The possibility to work in native conditions and selectively monitor the evolution of untagged aptamer signal as a result of aptamer-protein binding makes the devised method effective as a strategy for shortlisting the most promising aptamers both in terms of affinity and in terms of selectivity, to support subsequent development of aptamer-based analytical devices.
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Affiliation(s)
- Valentina Marassi
- Department of Chemistry, University of Bologna, Via Selmi 2, Bologna, Italy. .,byFlow Srl, Bologna, Italy.
| | - Monica Mattarozzi
- Department of Chemistry, Life Sciences and Environmental Sustainability, University of Parma, Parco Area delle Scienze 17/A, 43124, Parma, Italy.
| | - Lorenzo Toma
- Department of Chemistry, Life Sciences and Environmental Sustainability, University of Parma, Parco Area delle Scienze 17/A, 43124, Parma, Italy
| | - Stefano Giordani
- Department of Chemistry, University of Bologna, Via Selmi 2, Bologna, Italy
| | - Luca Ronda
- Department of Medicine and Surgery, University of Parma, Parco Area delle Scienze, 23/A, 43124, Parma, Italy.,Institute of Biophysics, CNR, 56124, Pisa, Italy
| | - Barbara Roda
- Department of Chemistry, University of Bologna, Via Selmi 2, Bologna, Italy.,byFlow Srl, Bologna, Italy
| | - Andrea Zattoni
- Department of Chemistry, University of Bologna, Via Selmi 2, Bologna, Italy.,byFlow Srl, Bologna, Italy
| | - Pierluigi Reschiglian
- Department of Chemistry, University of Bologna, Via Selmi 2, Bologna, Italy.,byFlow Srl, Bologna, Italy
| | - Maria Careri
- Department of Chemistry, Life Sciences and Environmental Sustainability, University of Parma, Parco Area delle Scienze 17/A, 43124, Parma, Italy
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