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Mondal R, Chakraborty J, Dam P, Shaw S, Gangopadhyay D, Ertas YN, Mandal AK. Development of Aptamer-Functionalized Gold Nanoparticles as Probes in Point-of-Care Diagnostic Device for Rapid Detection of Multidrug-Resistant Bacteria in Bombyx mori L. . ACS APPLIED BIO MATERIALS 2024; 7:5740-5753. [PMID: 39110486 DOI: 10.1021/acsabm.4c00833] [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: 08/20/2024]
Abstract
The sericulture industry suffers severe crop losses due to various silkworm diseases, necessitating the development of further technologies for rapid pathogen detection. Here, we report an all-in-one portable biosensor that combines conjugated gold nanoparticles (Au NPs) with an aptamer-based lateral flow assay (LFA) platform for the real-time analysis of Mammaliicoccus sp. and Pseudomonas sp. Our platform enables sample-to-answer naked eye detection within 5 min without any cross-reactivity with other representatives of the silkworm pathogenic bacterial group. This assay was based on the sandwich-type format using a bacteria-specific primary aptamer (Apt1) conjugated with 23 nm ± 1.27 nm Au NPs as a signal probe and another bacteria-specific secondary aptamer (Apt2)-coated nitrocellulose membrane as a capture probe. The hybridization between the signal probe and the capture probe in the presence of bacteria develops a red band in the test line, whose intensity is directly proportional to the bacterial concentration. Under the optimal experimental conditions, the visual limit of detection of the strip for Mammaliicoccus sp. and Pseudomonas sp. was 1.5 × 104 CFU/mL and 1.5 × 103 CFU/mL, respectively. Additionally, the performance of the LFA device was validated by using a colorimetric assay, and the results from the colorimetric assay are consistent with those obtained from the LFA. Our findings indicate that the developed point-of-care diagnostic device has significant potential for providing a cost-effective, scalable alternative for the rapid detection of silkworm pathogens.
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Affiliation(s)
- Rittick Mondal
- Department of Sericulture, Raiganj University, North Dinajpur, Raiganj, West Bengal 733134, India
| | - Joydeep Chakraborty
- Department of Microbiology, Raiganj University, North Dinajpur, Raiganj, West Bengal 733134, India
| | - Paulami Dam
- Department of Sericulture, Raiganj University, North Dinajpur, Raiganj, West Bengal 733134, India
| | - Shubhajit Shaw
- Department of Sericulture, Raiganj University, North Dinajpur, Raiganj, West Bengal 733134, India
| | - Debnirmalya Gangopadhyay
- Department of Sericulture, Raiganj University, North Dinajpur, Raiganj, West Bengal 733134, India
| | - Yavuz Nuri Ertas
- Department of Biomedical Engineering, Erciyes University, Kayseri 38039, Turkey
- ERNAM-Nanotechnology Research and Application Center, Erciyes University, Kayseri 38039, Turkey
- Department of Technical Sciences, Western Caspian University, Baku AZ1001, Azerbaijan
| | - Amit Kumar Mandal
- Department of Sericulture, Raiganj University, North Dinajpur, Raiganj, West Bengal 733134, India
- Center for Nanotechnology Sciences (CeNS), Raiganj University, North Dinajpur, Raiganj, West Bengal 733134, India
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2
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Yu W, Li J, Huang G, He Z, Tian H, Xie F, Jin W, Huang Q, Fu W, Yang X. Rapid and sensitive detection of Staphylococcus aureus using a THz metamaterial biosensor based on aptamer-functionalized Fe 3O 4@Au nanocomposites. Talanta 2024; 272:125760. [PMID: 38364563 DOI: 10.1016/j.talanta.2024.125760] [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: 11/07/2023] [Revised: 01/19/2024] [Accepted: 02/06/2024] [Indexed: 02/18/2024]
Abstract
Staphylococcus aureus (S. aureus) poses a serious threat to global public health, necessitating the establishment of rapid and simple tools for its accurate identification. Herein, we developed a terahertz (THz) metamaterial biosensor based on aptamer-functionalized Fe3O4@Au nanocomposites for quantitative S. aureus assays in different clinical samples. Fe3O4@Au@Cys@Apt has the dual advantages of magnetism and a high refractive index in the THz range and was used to rapidly separate and enrich target bacteria in a complex environmental solution. Furthermore, conjugation to the nanocomposites significantly increased the resonance frequency shift of the THz metamaterial after target loading. Our results showed that the shifts in the metamaterial resonance frequency were linearly related to S. aureus concentrations ranging from 1.0 × 103 to 1.0 × 107 CFU/mL, with a detection limit of 4.78 × 102 CFU/mL. The biosensor was further applied to S. aureus detection in spiked human urine and blood with satisfactory recoveries (82.4-109.6%). Our approach also demonstrated strong concordance with traditional plate counting (R2 = 0.99306) while significantly lowering the analysis time from 24 h to <1 h. In conclusion, the proposed biosensor can not only perform culture-free and extraction-free detection of target bacteria but can also be easily extended to the determination of other pathogenic bacteria, rendering it suitable for various bacteria-related disease diagnoses.
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Affiliation(s)
- Wenjing Yu
- Department of Laboratory Medicine, Southwest Hospital, Army Medical University (Third Military Medical University), Chongqing, 400038, China
| | - Jining Li
- Institute of Laser and Opto-electronics, School of Precision Instrument and Opto-electronics Engineering, Tianjin University, Tianjin, 300072, China
| | - Guorong Huang
- Department of Laboratory Medicine, Southwest Hospital, Army Medical University (Third Military Medical University), Chongqing, 400038, China
| | - Zhe He
- Department of Laboratory Medicine, Southwest Hospital, Army Medical University (Third Military Medical University), Chongqing, 400038, China
| | - Huiyan Tian
- Department of Laboratory Medicine, Southwest Hospital, Army Medical University (Third Military Medical University), Chongqing, 400038, China
| | - Fengxin Xie
- Department of Laboratory Medicine, Southwest Hospital, Army Medical University (Third Military Medical University), Chongqing, 400038, China
| | - Weidong Jin
- Department of Laboratory Medicine, Southwest Hospital, Army Medical University (Third Military Medical University), Chongqing, 400038, China
| | - Qing Huang
- Department of Laboratory Medicine, Daping Hospital, Army Medical University (Third Military Medical University), Chongqing, 400042, China.
| | - Weiling Fu
- Department of Laboratory Medicine, Southwest Hospital, Army Medical University (Third Military Medical University), Chongqing, 400038, China.
| | - Xiang Yang
- Department of Laboratory Medicine, Southwest Hospital, Army Medical University (Third Military Medical University), Chongqing, 400038, China.
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Léguillier V, Heddi B, Vidic J. Recent Advances in Aptamer-Based Biosensors for Bacterial Detection. BIOSENSORS 2024; 14:210. [PMID: 38785684 PMCID: PMC11117931 DOI: 10.3390/bios14050210] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/14/2024] [Revised: 04/09/2024] [Accepted: 04/19/2024] [Indexed: 05/25/2024]
Abstract
The rapid and sensitive detection of pathogenic bacteria is becoming increasingly important for the timely prevention of contamination and the treatment of infections. Biosensors based on nucleic acid aptamers, integrated with optical, electrochemical, and mass-sensitive analytical techniques, have garnered intense interest because of their versatility, cost-efficiency, and ability to exhibit high affinity and specificity in binding bacterial biomarkers, toxins, and whole cells. This review highlights the development of aptamers, their structural characterization, and the chemical modifications enabling optimized recognition properties and enhanced stability in complex biological matrices. Furthermore, recent examples of aptasensors for the detection of bacterial cells, biomarkers, and toxins are discussed. Finally, we explore the barriers to and discuss perspectives on the application of aptamer-based bacterial detection.
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Affiliation(s)
- Vincent Léguillier
- INRAE, AgroParisTech, Micalis Institut, Université Paris-Saclay, UMR 1319, 78350 Jouy-en-Josas, France;
- ENS Paris-Saclay, Laboratoire de Biologie et Pharmacologie Appliquée (LBPA), UMR8113 CNRS, 91190 Gif-sur-Yvette, France
| | - Brahim Heddi
- ENS Paris-Saclay, Laboratoire de Biologie et Pharmacologie Appliquée (LBPA), UMR8113 CNRS, 91190 Gif-sur-Yvette, France
| | - Jasmina Vidic
- INRAE, AgroParisTech, Micalis Institut, Université Paris-Saclay, UMR 1319, 78350 Jouy-en-Josas, France;
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Uğurlu Ö, Man E, Gök O, Ülker G, Soytürk H, Özyurt C, Evran S. A review of aptamer-conjugated nanomaterials for analytical sample preparation: Classification according to the utilized nanomaterials. Anal Chim Acta 2024; 1287:342001. [PMID: 38182359 DOI: 10.1016/j.aca.2023.342001] [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: 08/21/2023] [Revised: 11/01/2023] [Accepted: 11/03/2023] [Indexed: 01/07/2024]
Abstract
BACKGROUND Sample extraction before detection is a critical step in analysis. Since targets of interest are often found in complex matrices, the sample can not be directly introduced to the analytical instrument. Nanomaterials with unique physical-chemical properties are excellent supports for use in sorbent-based extraction. However, they lack selectivity and thus need to be functionalized with target-capturing molecules. Antibodies and molecularly imprinted polymers (MIPs) can be used for this purpose, but they have some problems that limit their practical applications. Hence, functionalization of nanomaterials for selectivity remains a problem. RESULTS Nucleic acid aptamers are affinity reagents that can provide superiority to antibodies since they can be selected in vitro and at a lower cost. Moreover, aptamers can be chemically synthesized and easily modified with different functional groups. Hence, aptamers are good candidates to impart selectivity to the nanomaterials. Recent studies focus on the integration of aptamers with magnetic nanoparticles, carbon-based nanomaterials, metal-organic frameworks, gold nanoparticles, gold nanorods, silica nanomaterials, and nanofibers. The unique properties of nanomaterials and aptamers make the aptamer-conjugated nanomaterials attractive for use in sample preparation. Aptamer-functionalized nanomaterials have been successfully used for selective extraction of proteins, small molecules, and cells from different types of complex samples such as serum, urine, and milk. In particular, magnetic nanoparticles have a wider use due to the rapid extraction of the sample under magnetic field. SIGNIFICANCE In this review, we aim to emphasize how beneficial features of nanomaterials and aptamers could be combined for extraction or enrichment of the analytes from complex samples. We aim to highlight that the benefits are twofold in terms of selectivity and efficiency when employing nanomaterials and aptamers together as a single platform.
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Affiliation(s)
- Özge Uğurlu
- Department of Medical Services and Techniques, Hatay Vocational School of Health Services, Hatay Mustafa Kemal University, Tayfur Sökmen Campus, 31060, Alahan-Antakya, Hatay, Turkey; Department of Biochemistry, Faculty of Science, Ege University, 35100, İzmir, Turkey
| | - Ezgi Man
- Department of Biochemistry, Faculty of Science, Ege University, 35100, İzmir, Turkey; EGE SCIENCE PRO Scientific Research Inc., Ege University, IdeEGE Technology Development Zone, 35100, İzmir, Turkey
| | - Oğuz Gök
- Department of Biochemistry, Faculty of Science, Ege University, 35100, İzmir, Turkey
| | - Gözde Ülker
- Department of Biochemistry, Faculty of Science, Ege University, 35100, İzmir, Turkey
| | - Hakan Soytürk
- Department of Biochemistry, Faculty of Science, Ege University, 35100, İzmir, Turkey
| | - Canan Özyurt
- Department of Chemistry and Chemical Processing Technologies, Lapseki Vocational School, Çanakkale Onsekiz Mart University, Çanakkale, Turkey
| | - Serap Evran
- Department of Biochemistry, Faculty of Science, Ege University, 35100, İzmir, Turkey.
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Valenzuela-Amaro HM, Aguayo-Acosta A, Meléndez-Sánchez ER, de la Rosa O, Vázquez-Ortega PG, Oyervides-Muñoz MA, Sosa-Hernández JE, Parra-Saldívar R. Emerging Applications of Nanobiosensors in Pathogen Detection in Water and Food. BIOSENSORS 2023; 13:922. [PMID: 37887115 PMCID: PMC10605657 DOI: 10.3390/bios13100922] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/22/2023] [Revised: 09/23/2023] [Accepted: 10/03/2023] [Indexed: 10/28/2023]
Abstract
Food and waterborne illnesses are still a major concern in health and food safety areas. Every year, almost 0.42 million and 2.2 million deaths related to food and waterborne illness are reported worldwide, respectively. In foodborne pathogens, bacteria such as Salmonella, Shiga-toxin producer Escherichia coli, Campylobacter, and Listeria monocytogenes are considered to be high-concern pathogens. High-concern waterborne pathogens are Vibrio cholerae, leptospirosis, Schistosoma mansoni, and Schistosima japonicum, among others. Despite the major efforts of food and water quality control to monitor the presence of these pathogens of concern in these kinds of sources, foodborne and waterborne illness occurrence is still high globally. For these reasons, the development of novel and faster pathogen-detection methods applicable to real-time surveillance strategies are required. Methods based on biosensor devices have emerged as novel tools for faster detection of food and water pathogens, in contrast to traditional methods that are usually time-consuming and are unsuitable for large-scale monitoring. Biosensor devices can be summarized as devices that use biochemical reactions with a biorecognition section (isolated enzymes, antibodies, tissues, genetic materials, or aptamers) to detect pathogens. In most cases, biosensors are based on the correlation of electrical, thermal, or optical signals in the presence of pathogen biomarkers. The application of nano and molecular technologies allows the identification of pathogens in a faster and high-sensibility manner, at extremely low-pathogen concentrations. In fact, the integration of gold, silver, iron, and magnetic nanoparticles (NP) in biosensors has demonstrated an improvement in their detection functionality. The present review summarizes the principal application of nanomaterials and biosensor-based devices for the detection of pathogens in food and water samples. Additionally, it highlights the improvement of biosensor devices through nanomaterials. Nanomaterials offer unique advantages for pathogen detection. The nanoscale and high specific surface area allows for more effective interaction with pathogenic agents, enhancing the sensitivity and selectivity of the biosensors. Finally, biosensors' capability to functionalize with specific molecules such as antibodies or nucleic acids facilitates the specific detection of the target pathogens.
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Affiliation(s)
- Hiram Martin Valenzuela-Amaro
- Tecnologico de Monterrey, Institute of Advanced Materials for Sustainable Manufacturing, Monterrey 64849, Mexico; (H.M.V.-A.); (A.A.-A.); (E.R.M.-S.); (O.d.l.R.); (M.A.O.-M.)
- Tecnologico de Monterrey, School of Engineering and Sciences, Monterrey 64849, Mexico
| | - Alberto Aguayo-Acosta
- Tecnologico de Monterrey, Institute of Advanced Materials for Sustainable Manufacturing, Monterrey 64849, Mexico; (H.M.V.-A.); (A.A.-A.); (E.R.M.-S.); (O.d.l.R.); (M.A.O.-M.)
- Tecnologico de Monterrey, School of Engineering and Sciences, Monterrey 64849, Mexico
| | - Edgar Ricardo Meléndez-Sánchez
- Tecnologico de Monterrey, Institute of Advanced Materials for Sustainable Manufacturing, Monterrey 64849, Mexico; (H.M.V.-A.); (A.A.-A.); (E.R.M.-S.); (O.d.l.R.); (M.A.O.-M.)
- Tecnologico de Monterrey, School of Engineering and Sciences, Monterrey 64849, Mexico
| | - Orlando de la Rosa
- Tecnologico de Monterrey, Institute of Advanced Materials for Sustainable Manufacturing, Monterrey 64849, Mexico; (H.M.V.-A.); (A.A.-A.); (E.R.M.-S.); (O.d.l.R.); (M.A.O.-M.)
- Tecnologico de Monterrey, School of Engineering and Sciences, Monterrey 64849, Mexico
| | | | - Mariel Araceli Oyervides-Muñoz
- Tecnologico de Monterrey, Institute of Advanced Materials for Sustainable Manufacturing, Monterrey 64849, Mexico; (H.M.V.-A.); (A.A.-A.); (E.R.M.-S.); (O.d.l.R.); (M.A.O.-M.)
- Tecnologico de Monterrey, School of Engineering and Sciences, Monterrey 64849, Mexico
| | - Juan Eduardo Sosa-Hernández
- Tecnologico de Monterrey, Institute of Advanced Materials for Sustainable Manufacturing, Monterrey 64849, Mexico; (H.M.V.-A.); (A.A.-A.); (E.R.M.-S.); (O.d.l.R.); (M.A.O.-M.)
- Tecnologico de Monterrey, School of Engineering and Sciences, Monterrey 64849, Mexico
| | - Roberto Parra-Saldívar
- Tecnologico de Monterrey, Institute of Advanced Materials for Sustainable Manufacturing, Monterrey 64849, Mexico; (H.M.V.-A.); (A.A.-A.); (E.R.M.-S.); (O.d.l.R.); (M.A.O.-M.)
- Tecnologico de Monterrey, School of Engineering and Sciences, Monterrey 64849, Mexico
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6
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Tătaru AM, Canciu A, Tertiș M, Cristea C, Cernat A. Staphylococcus aureus - Review on potential targets for sensors development. Bioelectrochemistry 2023; 153:108492. [PMID: 37413820 DOI: 10.1016/j.bioelechem.2023.108492] [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: 03/30/2023] [Revised: 06/14/2023] [Accepted: 06/19/2023] [Indexed: 07/08/2023]
Abstract
Staphylococcus aureus (S. aureus) is accountable for a wide variety of clinical disease with a high rate of morbidity and mortality around the globe. It has a leading place into the ESKAPE group that includes six pathogens and exhibit multidrug resistance and are the major cause of healthcare associated infections: Enterococcus faecium, S. aureus, Klebsiella pneumoniae, Acinetobacter baumannii, Pseudomonas aeruginosa, and Enterobacter spp. A critical overview regarding the development of sensors for both S. aureus and his, more dangerous alter ego, Methicillin-resistant S. aureus (MRSA) was presented focusing on the bacteria targets starting with the detection of the whole cell, up to specific wall components, toxins or other virulence factors. The literature data was systematically assessed having in sight the design of the sensing platforms, the analytical performances, and possible courses of action to be implemented in real practice as point-of-care (POC) devices. Moreover, a distinct section was dedicated to commercially available devices and out of the box approaches, namely the use of bacteriophages as an alternative to antimicrobial therapy and as sensors modifiers. The reviewed sensors and devices were discussed in terms of their suitability for different biosensing applications, in early screening of contamination regarding food analysis, environmental monitoring and in clinical diagnosis.
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Affiliation(s)
- Ana-Maria Tătaru
- Analytical Chemistry Department, Faculty of Pharmacy, Iuliu Haţieganu University of Medicine and Pharmacy, 4 Louis Pasteur St., 400349 Cluj-Napoca, Romania
| | - Alexandra Canciu
- Analytical Chemistry Department, Faculty of Pharmacy, Iuliu Haţieganu University of Medicine and Pharmacy, 4 Louis Pasteur St., 400349 Cluj-Napoca, Romania
| | - Mihaela Tertiș
- Analytical Chemistry Department, Faculty of Pharmacy, Iuliu Haţieganu University of Medicine and Pharmacy, 4 Louis Pasteur St., 400349 Cluj-Napoca, Romania
| | - Cecilia Cristea
- Analytical Chemistry Department, Faculty of Pharmacy, Iuliu Haţieganu University of Medicine and Pharmacy, 4 Louis Pasteur St., 400349 Cluj-Napoca, Romania.
| | - Andreea Cernat
- Analytical Chemistry Department, Faculty of Pharmacy, Iuliu Haţieganu University of Medicine and Pharmacy, 4 Louis Pasteur St., 400349 Cluj-Napoca, Romania
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7
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Detection of Escherichia coli in Food Samples by Magnetosome-based Biosensor. BIOTECHNOL BIOPROC E 2023. [DOI: 10.1007/s12257-022-0235-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/21/2023]
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8
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Pardo-Freire M, Domingo-Calap P. Phages and Nanotechnology: New Insights against Multidrug-Resistant Bacteria. BIODESIGN RESEARCH 2023; 5:0004. [PMID: 37849463 PMCID: PMC10521656 DOI: 10.34133/bdr.0004] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2022] [Accepted: 12/21/2022] [Indexed: 10/19/2023] Open
Abstract
Bacterial infections are a major threat to the human healthcare system worldwide, as antibiotics are becoming less effective due to the emergence of multidrug-resistant strains. Therefore, there is a need to explore nontraditional antimicrobial alternatives to support rapid interventions and combat the spread of pathogenic bacteria. New nonantibiotic approaches are being developed, many of them at the interface of physics, nanotechnology, and microbiology. While physical factors (e.g., pressure, temperature, and ultraviolet light) are typically used in the sterilization process, nanoparticles and phages (bacterial viruses) are also applied to combat pathogenic bacteria. Particularly, phage-based therapies are rising due to the unparalleled specificity and high bactericidal activity of phages. Despite the success of phages mostly as compassionate use in clinical cases, some drawbacks need to be addressed, mainly related to their stability, bioavailability, and systemic administration. Combining phages with nanoparticles can improve their performance in vivo. Thus, the combination of nanotechnology and phages might provide tools for the rapid and accurate detection of bacteria in biological samples (diagnosis and typing), and the development of antimicrobials that combine the selectivity of phages with the efficacy of targeted therapy, such as photothermal ablation or photodynamic therapies. In this review, we aim to provide an overview of how phage-based nanotechnology represents a step forward in the fight against multidrug-resistant bacteria.
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Affiliation(s)
- Marco Pardo-Freire
- Institute for Integrative Systems Biology, I2SysBio, Universitat de València-CSIC, 46980 Paterna, Spain
| | - Pilar Domingo-Calap
- Institute for Integrative Systems Biology, I2SysBio, Universitat de València-CSIC, 46980 Paterna, Spain
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9
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Biorecognition elements appended gold nanoparticle biosensors for the detection of food-borne pathogens - A review. Food Control 2022. [DOI: 10.1016/j.foodcont.2022.109510] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/05/2022]
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10
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Chen W, Lai Q, Zhang Y, Liu Z. Recent Advances in Aptasensors For Rapid and Sensitive Detection of Staphylococcus Aureus. Front Bioeng Biotechnol 2022; 10:889431. [PMID: 35677308 PMCID: PMC9169243 DOI: 10.3389/fbioe.2022.889431] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2022] [Accepted: 04/12/2022] [Indexed: 12/30/2022] Open
Abstract
The infection of Staphylococcus aureus (S.aureus) and the spread of drug-resistant bacteria pose a serious threat to global public health. Therefore, timely, rapid and accurate detection of S. aureus is of great significance for food safety, environmental monitoring, clinical diagnosis and treatment, and prevention of drug-resistant bacteria dissemination. Traditional S. aureus detection methods such as culture identification, ELISA, PCR, MALDI-TOF-MS and sequencing, etc., have good sensitivity and specificity, but they are complex to operate, requiring professionals and expensive and complex machines. Therefore, it is still challenging to develop a fast, simple, low-cost, specific and sensitive S. aureus detection method. Recent studies have demonstrated that fast, specific, low-cost, low sample volume, automated, and portable aptasensors have been widely used for S. aureus detection and have been proposed as the most attractive alternatives to their traditional detection methods. In this review, recent advances of aptasensors based on different transducer (optical and electrochemical) for S. aureus detection have been discussed in details. Furthermore, the applications of aptasensors in point-of-care testing (POCT) have also been discussed. More and more aptasensors are combined with nanomaterials as efficient transducers and amplifiers, which appears to be the development trend in aptasensors. Finally, some significant challenges for the development and application of aptasensors are outlined.
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Affiliation(s)
- Wei Chen
- Department of Clinical Laboratory, Xiangya Hospital of Central South University, Changsha, China
- National Clinical Research Center for Geriatric Diseases, Xiangya Hospital of Central South University, Changsha, China
- Hunan Key Laboratory for Super Microstructure and Ultrafast Process, School of Physics and Electronics, Central South University, Changsha, China
- Department of Microbiology, School of Basic Medical Science, Central South University, Changsha, China
- *Correspondence: Wei Chen, ; Zhengchun Liu,
| | - Qingteng Lai
- Hunan Key Laboratory for Super Microstructure and Ultrafast Process, School of Physics and Electronics, Central South University, Changsha, China
| | - Yanke Zhang
- Hunan Key Laboratory for Super Microstructure and Ultrafast Process, School of Physics and Electronics, Central South University, Changsha, China
| | - Zhengchun Liu
- Hunan Key Laboratory for Super Microstructure and Ultrafast Process, School of Physics and Electronics, Central South University, Changsha, China
- Department of Microbiology, School of Basic Medical Science, Central South University, Changsha, China
- *Correspondence: Wei Chen, ; Zhengchun Liu,
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11
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Lee YJ, Lee S, Kim DM. Translational Detection of Indole by Complementary Cell-free Protein Synthesis Assay. Front Bioeng Biotechnol 2022; 10:900162. [PMID: 35646868 PMCID: PMC9136167 DOI: 10.3389/fbioe.2022.900162] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2022] [Accepted: 04/28/2022] [Indexed: 11/16/2022] Open
Abstract
The information encoded in a single copy of DNA is processed into a plethora of protein molecules via the cascade of transcription and translation. Thus, the molecular process of gene expression can be considered an efficient biological amplifier from the viewpoint of synthetic biology. Cell-free protein synthesis (CFPS) enables the implementation of this amplification module for in vitro analysis of important biomolecules and avoids many of the problems associated with whole cell-based approaches. Here, we developed a method to analyze indole by using a combination of enzymatic conversion of indole and amino acid-dependent CFPS. In this method, indole molecules in the assay sample are used to generate tryptophan, which is incorporated into signal-generating proteins in the subsequent cell-free synthesis reaction. The activity of cell-free synthesized proteins was successfully used to estimate the indole concentration in the assay sample. In principle, the developed method could be extended to analyses of other important bioactive compounds.
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Affiliation(s)
- You Jin Lee
- Department of Chemical Engineering and Applied Chemistry, Daejeon, Korea
| | - Soojin Lee
- Department of Microbiology and Molecular Biology, Chungnam National University, Daejeon, Korea
| | - Dong-Myung Kim
- Department of Chemical Engineering and Applied Chemistry, Daejeon, Korea
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12
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Lee J, Hwang BH. Evaluation of the Effects, Causes, and Risks of Gold Nanorods Promoting Cell Proliferation. BIOTECHNOL BIOPROC E 2022. [DOI: 10.1007/s12257-021-0161-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
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13
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Hwan Shin J, Rana Gul A, Seop Hyun M, Choi CH, Jung Park T, Pil Park J. Electrochemical detection of caspase-3 based on a chemically modified M13 phage virus. Bioelectrochemistry 2022; 145:108090. [DOI: 10.1016/j.bioelechem.2022.108090] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2021] [Revised: 02/11/2022] [Accepted: 02/22/2022] [Indexed: 12/31/2022]
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14
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You T, Jeong W, Lee H, Huh YS, Kim SM, Jeon TJ. A simple strategy for signal enhancement in lateral flow assays using superabsorbent polymers. Mikrochim Acta 2021; 188:364. [PMID: 34613450 DOI: 10.1007/s00604-021-05026-2] [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: 07/06/2021] [Accepted: 09/11/2021] [Indexed: 10/20/2022]
Abstract
To enhance the sensitivity of lateral flow assays (LFAs), a simple strategy is proposed using a nitrocellulose membrane modified with a superabsorbent polymer (SAP). SAP was incorporated into a nitrocellulose membrane for the flow control of detection probes. When absorbing aqueous solutions, SAP promoted the formation of biomolecule complexes to achieve up to a tenfold sensitivity improvement for the detection of human IgG. The assay time was optimized experimentally and numerically to within 20 min using this strategy. Moreover, fluid saturation in LFAs modified with SAP was mathematically simulated to better understand the underlying process, and molecular dynamics simulations were carried out to determine the effect of SAP. The proposed design was also applied to samples spiked with human immunoglobulin-depleted serum to test its applicability. The strategy presented is unique in that it preserves the characteristics of conventional LFAs, as it minimizes user intervention and is simple to manufacture at scale.
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Affiliation(s)
- Taeyeong You
- Department of Biological Sciences and Bioengineering, Inha University, Incheon, 22212, South Korea.,Biohybrid Systems Research Center (BSRC), Inha University, Incheon, 22212, South Korea
| | - Woojin Jeong
- Department of Biological Sciences and Bioengineering, Inha University, Incheon, 22212, South Korea.,Biohybrid Systems Research Center (BSRC), Inha University, Incheon, 22212, South Korea
| | - Hwankyu Lee
- Department of Chemical Engineering, Dankook University, Yongin, 16890, South Korea
| | - Yun Suk Huh
- Department of Biological Sciences and Bioengineering, Inha University, Incheon, 22212, South Korea. .,Biohybrid Systems Research Center (BSRC), Inha University, Incheon, 22212, South Korea. .,Department of Biological Engineering, Inha University, Incheon, 22212, South Korea.
| | - Sun Min Kim
- Department of Biological Sciences and Bioengineering, Inha University, Incheon, 22212, South Korea. .,Biohybrid Systems Research Center (BSRC), Inha University, Incheon, 22212, South Korea. .,Department of Mechanical Engineering, Inha University, Incheon, 22212, South Korea.
| | - Tae-Joon Jeon
- Department of Biological Sciences and Bioengineering, Inha University, Incheon, 22212, South Korea. .,Biohybrid Systems Research Center (BSRC), Inha University, Incheon, 22212, South Korea. .,Department of Biological Engineering, Inha University, Incheon, 22212, South Korea.
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Huang Z, Yu X, Yang Q, Zhao Y, Wu W. Aptasensors for Staphylococcus aureus Risk Assessment in Food. Front Microbiol 2021; 12:714265. [PMID: 34603242 PMCID: PMC8483178 DOI: 10.3389/fmicb.2021.714265] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2021] [Accepted: 08/17/2021] [Indexed: 12/30/2022] Open
Abstract
Staphylococcus aureus (S. aureus) is the top ordinary pathogen causing epidemic and food poisoning. The authentication of S. aureus has great significance for pathologic diagnosis and food hygiene supervision. Various biosensor methods have been established for identification. This paper reviews the research progress of aptasensors for S. aureus detection, focusing on the classification of aptamer technologies, including optical aptasensors and electrochemical aptasensors. Furthermore, the feasibility and future challenges of S. aureus detection for aptamer assays are discussed. Combining aptasensors with nanomaterials appears to be the developing trend in aptasensors.
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Affiliation(s)
- Ziqian Huang
- College of Food Science and Engineering, Qingdao Agricultural University, Qingdao, China
| | - Xin Yu
- Qingdao Municipal Hospital, Qingdao, China
| | - Qingli Yang
- College of Food Science and Engineering, Qingdao Agricultural University, Qingdao, China
| | - Ying Zhao
- Department of Anesthesiology, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Qingdao, China
| | - Wei Wu
- College of Food Science and Engineering, Qingdao Agricultural University, Qingdao, China
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