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Zhang Y, Tian G, Sun X, Yang X, Zhang Y, Tan W, Duan L, Gao S, Yu J. Ultrasensitive colorimetric detection of Staphylococcus aureus using wheat germ agglutinin and IgY as a dual-recognition strategy. Mikrochim Acta 2024; 191:209. [PMID: 38499840 DOI: 10.1007/s00604-024-06288-2] [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: 01/05/2024] [Accepted: 02/26/2024] [Indexed: 03/20/2024]
Abstract
A novel colorimetric platform was designed for the determination of S. aureus by utilizing a dual-recognition strategy, where wheat germ agglutinin (WGA)-functionalized magnetic beads were served as separation elements to capture and enrich S. aureus efficiently from the matrix. Horseradish peroxidase (HRP) labeled chicken anti-protein A IgY (HRP-IgY) was used to label the captured S. aureus. A chicken IgY was introduced as a signal tracer to bind with staphylococcal protein A (SPA) on the surface of S. aureus, which can circumvent the interference from protein G-producing Streptococcus. Subsequently, the colorimetric signal was achieved by an HRP-catalyzed reaction, which was amplified by HRP-IgY bound by approximately 80,000 SPA molecules on one S. aureus. The entire detection process could be accomplished within 90 min. Under optimal conditions, the linear response of different S. aureus concentrations ranged from 7.8 × 102 to 2.0 × 105 CFU/mL and the limit of detection reached down to 3.9 × 102 CFU/mL. Some common non-target bacteria yielded negative results, indicating the excellent specificity of the method. The developed strategy was successfully applied to the determination of S. aureus in various types of samples with satisfactory recoveries. Therefore, the novel dual-recognition strategy possessed the advantages of high sensitivity, specificity, and low cost and exhibited considerable potential as a promising tool to defend public health.
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Affiliation(s)
- Yun Zhang
- Laboratory of Infection and Immunology, School of Medical Technology, Xinxiang Medical University, Xinxiang, 453003, People's Republic of China
| | - Ge Tian
- Laboratory of Infection and Immunology, School of Medical Technology, Xinxiang Medical University, Xinxiang, 453003, People's Republic of China
| | - Xueni Sun
- Laboratory of Infection and Immunology, School of Medical Technology, Xinxiang Medical University, Xinxiang, 453003, People's Republic of China
| | - Xiaoli Yang
- Laboratory of Infection and Immunology, School of Medical Technology, Xinxiang Medical University, Xinxiang, 453003, People's Republic of China
| | - Yi Zhang
- Laboratory of Infection and Immunology, School of Medical Technology, Xinxiang Medical University, Xinxiang, 453003, People's Republic of China
| | - Wenqing Tan
- Laboratory of Infection and Immunology, School of Medical Technology, Xinxiang Medical University, Xinxiang, 453003, People's Republic of China
| | - Liangwei Duan
- Laboratory of Infection and Immunology, School of Medical Technology, Xinxiang Medical University, Xinxiang, 453003, People's Republic of China.
| | - Shunxiang Gao
- Department of Ophthalmology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200080, People's Republic of China.
| | - Junping Yu
- Laboratory of Infection and Immunology, School of Medical Technology, Xinxiang Medical University, Xinxiang, 453003, People's Republic of China.
- CAS Key Laboratory of Special Pathogens and Biosafety, Center for Emerging Infectious Diseases, Wuhan Institute of Virology, Chinese Academy of Sciences, Wuhan, 430071, People's Republic of China.
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Pang L, Wang L, Liang Y, Wang Z, Zhang W, Zhao Q, Yang X, Jiang Y. G-triplex/hemin DNAzyme mediated colorimetric aptasensor for Escherichia coli O157:H7 detection based on exonuclease III-assisted amplification and aptamers-functionalized magnetic beads. Talanta 2024; 269:125457. [PMID: 38039678 DOI: 10.1016/j.talanta.2023.125457] [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: 02/23/2023] [Revised: 09/25/2023] [Accepted: 11/20/2023] [Indexed: 12/03/2023]
Abstract
Escherichia coli O157: H7 (E. coli O157: H7) is one of the most common foodborne pathogens and is widespread in food and the environment. Thus, it is significant for rapidly detecting E. coli O157: H7. In this study, a colorimetric aptasensor based on aptamer-functionalized magnetic beads, exonuclease III (Exo III), and G-triplex/hemin was proposed for the detection of E. coli O157: H7. The functional hairpin HP was designed in the system, which includes two parts of a stem containing the G-triplex sequence and a tail complementary to cDNA. E. coli O157: H7 competed to bind the aptamer (Apt) in the Apt-cDNA complex to obtain cDNA. The cDNA then bound to the tail of HP to trigger Exo III digestion and release the single-stranded DNA containing the G-triplex sequence. G-triplex/hemin DNAzyme could catalyze TMB to produce visible color changes and detectable absorbance signals in the presence of H2O2. Based on the optimal conditions, E. coli O157: H7 could be detected down to 1.3 × 103 CFU/mL, with a wide linear range from 1.3 × 103 to 1.3 × 107 CFU/mL. This method had a distinguished ability to non-target bacteria, which showed good specificity. In addition, the system was successfully applied to detect E. coli O157: H7 in milk samples.
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Affiliation(s)
- Lidong Pang
- Key Laboratory of Dairy Science, Ministry of Education, College of Food Science, Northeast Agricultural University, Harbin, 150030, China
| | - Ling'e Wang
- Key Laboratory of Dairy Science, Ministry of Education, College of Food Science, Northeast Agricultural University, Harbin, 150030, China
| | - Yaqi Liang
- Key Laboratory of Dairy Science, Ministry of Education, College of Food Science, Northeast Agricultural University, Harbin, 150030, China
| | - Zhenghui Wang
- Key Laboratory of Dairy Science, Ministry of Education, College of Food Science, Northeast Agricultural University, Harbin, 150030, China
| | - Wei Zhang
- Key Laboratory of Dairy Science, Ministry of Education, College of Food Science, Northeast Agricultural University, Harbin, 150030, China
| | - Qianyu Zhao
- Key Laboratory of Dairy Science, Ministry of Education, College of Food Science, Northeast Agricultural University, Harbin, 150030, China
| | - Xinyan Yang
- Key Laboratory of Dairy Science, Ministry of Education, College of Food Science, Northeast Agricultural University, Harbin, 150030, China.
| | - Yujun Jiang
- Key Laboratory of Dairy Science, Ministry of Education, College of Food Science, Northeast Agricultural University, Harbin, 150030, China.
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Geremew A, Gonzalles J, Peace E, Woldesenbet S, Reeves S, Brooks N, Carson L. Green Synthesis of Novel Silver Nanoparticles Using Salvia blepharophylla and Salvia greggii: Antioxidant and Antidiabetic Potential and Effect on Foodborne Bacterial Pathogens. Int J Mol Sci 2024; 25:904. [PMID: 38255978 PMCID: PMC10815671 DOI: 10.3390/ijms25020904] [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: 12/20/2023] [Revised: 01/03/2024] [Accepted: 01/08/2024] [Indexed: 01/24/2024] Open
Abstract
In the face of evolving healthcare challenges, the utilization of silver nanoparticles (AgNPs) has emerged as a compelling solution due to their unique properties and versatile applications. The aim of this study was the synthesis and characterization of novel AgNPs (SB-AgNPs and SG-AgNPs, respectively) using Salvia blepharophylla and Salvia greggii leaf extracts and the evaluation of their antimicrobial, antioxidant, and antidiabetic activities. Several analytical instrumental techniques were utilized for the characterization of SB-AgNPs and SG-AgNPs, including UV-visible (UV-Vis) spectroscopy, transmission electron microscopy (TEM), dynamic light scattering (DLS), Fourier transmission infrared (FT-IR) spectroscopy, energy-dispersive X-ray analysis (EDX), and X-ray diffraction (XRD). FTIR analysis identified various functional groups in the leaf extracts and nanoparticles, suggesting the involvement of phytochemicals as reducing and stabilizing agents. High-resolution TEM images displayed predominantly spherical nanoparticles with average sizes of 52.4 nm for SB-AgNPs and 62.5 nm for SG-AgNPs. Both SB-AgNPs and SG-AgNPs demonstrated remarkable antimicrobial activity against Gram-positive bacteria Staphylococcus aureus and Listeria monocytogenes and Gram-negative bacteria Salmonella typhimurium and Escherichia coli. SB-AgNPs and SG-AgNPs also exhibited 90.2 ± 1.34% and 89.5 ± 1.5% DPPH scavenging and 86.5 ± 1.7% and 80.5 ± 1.2% α-amylase inhibition, respectively, at a concentration of 100 μg mL-1. Overall, AgNPs synthesized using S. blepharophylla and Salvia greggii leaf extracts may serve as potential candidates for antibacterial, antioxidant, and antidiabetic agents. Consequently, this study provides viable solutions to mitigate the current crisis of antibiotic resistance and to efficiently combat antimicrobial infections and Type 2 diabetes.
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Affiliation(s)
- Addisie Geremew
- Cooperative Agricultural Research Center, Prairie View A&M University, Prairie View, TX 77446, USA; (A.G.); (J.G.III); (E.P.); (S.W.)
| | - John Gonzalles
- Cooperative Agricultural Research Center, Prairie View A&M University, Prairie View, TX 77446, USA; (A.G.); (J.G.III); (E.P.); (S.W.)
| | - Elisha Peace
- Cooperative Agricultural Research Center, Prairie View A&M University, Prairie View, TX 77446, USA; (A.G.); (J.G.III); (E.P.); (S.W.)
| | - Selamawit Woldesenbet
- Cooperative Agricultural Research Center, Prairie View A&M University, Prairie View, TX 77446, USA; (A.G.); (J.G.III); (E.P.); (S.W.)
| | - Sheena Reeves
- Department of Chemical Engineering, College of Engineering, Prairie View A&M University, Prairie View, TX 77446, USA; (S.R.); (N.B.J.)
| | - Nigel Brooks
- Department of Chemical Engineering, College of Engineering, Prairie View A&M University, Prairie View, TX 77446, USA; (S.R.); (N.B.J.)
| | - Laura Carson
- Cooperative Agricultural Research Center, Prairie View A&M University, Prairie View, TX 77446, USA; (A.G.); (J.G.III); (E.P.); (S.W.)
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Liu Y, Zhu P, Huang J, He H, Ma C, Wang K. Integrating DNA nanostructures with DNAzymes for biosensing, bioimaging and cancer therapy. Coord Chem Rev 2022. [DOI: 10.1016/j.ccr.2022.214651] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Xiao F, Li W, Xu H. Advances in magnetic nanoparticles for the separation of foodborne pathogens: Recognition, separation strategy, and application. Compr Rev Food Sci Food Saf 2022; 21:4478-4504. [PMID: 36037285 DOI: 10.1111/1541-4337.13023] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2022] [Revised: 07/20/2022] [Accepted: 07/25/2022] [Indexed: 01/28/2023]
Abstract
Foodborne pathogens contamination is one of the main sources of food safety problems. Although the existing detection methods have been developed for a long time, the complexity of food samples is still the main factor affecting the detection time and sensitivity, and the rapid separation and enrichment of pathogens is still an objective to be studied. Magnetic separation strategy based on magnetic nanoparticles (MNPs) is considered to be an effective tool for rapid separation and enrichment of foodborne pathogens in food. Therefore, this study comprehensively reviews the development of MNPs in the separation of foodborne pathogens over the past decade. First, various biorecognition reagents for identification of foodborne pathogens and their modifications on the surface of MNPs are introduced. Then, the factors affecting the separation of foodborne pathogens, including the size of MNPs, modification methods, separation strategies and separation forms are discussed. Finally, the application of MNPs in integrated detection methods is reviewed. Moreover, current challenges and prospects of MNPs for the analysis of foodborne pathogens are discussed. Further research should focus on the design of multifunctional MNPs, the processing of large-scale samples, the simultaneous analysis of multiple targets, and the development of all-in-one small analytical device with separation and detection.
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Affiliation(s)
- Fangbin Xiao
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang, P. R. China
| | - Weiqiang Li
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang, P. R. China
| | - Hengyi Xu
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang, P. R. China
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6
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Xiao F, Liu J, Feng X, Xie G, Zhang W, Xu H. Rapid enrichment and detection of Staphylococcus aureus in milk using polyethyleneimine functionalized magnetic nanoparticles. Microchem J 2022. [DOI: 10.1016/j.microc.2022.107388] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Bactericidal Synergism between Phage YC#06 and Antibiotics: a Combination Strategy to Target Multidrug-Resistant Acinetobacter baumannii In Vitro and In Vivo. Microbiol Spectr 2022; 10:e0009622. [PMID: 35736241 PMCID: PMC9430793 DOI: 10.1128/spectrum.00096-22] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Phage-antibiotic combination (PAC) therapy is a potential new alternative to treat infections caused by pathogenic bacteria, particularly those caused by antibiotic-resistant bacteria. In the present study, phage YC#06 against highly multidrug-resistant Acinetobacter baumannii 4015 was isolated, identified, and characterized. Compared with antibiotics alone, the time-kill experiments in vitro showed that YC#06 and antibiotic mixtures that include the chloramphenicol, imipenem, and cefotaxime combination could produce phage-antibiotic synergy (PAS), which reduced the ultimate effective concentration of antibiotics. No phage-resistant bacteria have been isolated during the whole time-kill experiments in vitro. Of note, PAS was dose dependent, requiring a moderate phage dose to achieve maximum PAS effect. In addition, PAS could effectively inhibit biofilm formation and remove mature biofilms in vitro. Furthermore, PAS between the combination of YC#06 and antibiotic mixtures in vivo was validated using a zebrafish infection model. Overall, the results of this study demonstrate that PAC could be a viable strategy to treat infection caused by high-level multidrug-resistant Acinetobacter baumannii or other drug-resistant bacteria through switching to other types of phage and antibiotic mixtures. IMPORTANCE The treatment of multidrug-resistant bacterial infection is an urgent clinical problem. The combination of bacteriophages and antibiotics could produce synergistic bactericidal effects, which could reduce the emergence of antibiotic resistance and antibiotic consumption in antibiotic-sensitive bacteria, restore efficacy to antibiotics in antibiotic-resistant bacteria, and prevent the occurrence of phage-resistant bacteria. Phage-antibiotic combination (PAC) might be a potential new alternative for clinical treatment of multidrug-resistant bacterial infections.
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Luo J, Liu M, Wang P, Li Q, Luo C, Wei H, Hu Y, Yu J. Evaluation of a direct phage DNA detection-based Taqman qPCR methodology for quantification of phage and its application in rapid ultrasensitive identification of Acinetobacter baumannii. BMC Infect Dis 2022; 22:523. [PMID: 35672689 PMCID: PMC9172196 DOI: 10.1186/s12879-022-07493-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2022] [Accepted: 05/23/2022] [Indexed: 11/28/2022] Open
Abstract
Background Rapid phage enumeration/quantitation and viable bacteria determination is critical for phage application and treatment of infectious patients caused by the pathogenic bacteria. Methods In the current study, a direct phage DNA detection-based Taqman qPCR methodology for quantification of phage P53 and rapid ultrasensitive identification of Acinetobacter baumannii (A. baumannii) was evaluated. Results The assay was capable of quantifying P53 phage DNA without DNA extraction and the detection limit of the assay was 550 PFU/mL. The agreement bias between the quantitative results of three different phage concentrations in this assay and double agar overlay plaque assay were under 3.38%. Through the built detection system, down to 1 log CFU/mL of viable A. baumannii can be detected within 4 h in A. baumannii spiked swab and bronchoalveolar lavage fluid samples. Compared with the Taqman qPCR that targets the conserved sequence of A. baumannii, the sensitivity of the assay built in this study could increase four orders of magnitude. Conclusions The methodology offers a valid alternative for enumeration of freshly prepared phage solution and diagnosis of bacterial infection caused by A. baumannii or other bacterial infection in complicated samples through switching to phages against other bacteria. Furthermore, the assay could offer drug adjustment strategy timely owing to the detection of bacteria vitality.
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Affiliation(s)
- Jun Luo
- The First College of Clinical Medical Science, China Three Gorges University, Yichang, China. .,Central Laboratory, The First College of Clinical Medical Science, China Three Gorges University and Yichang Central People's Hospital, Yichang, 443003, China. .,Yichang Central People's Hospital, Yichang, China.
| | - Min Liu
- The First College of Clinical Medical Science, China Three Gorges University, Yichang, China.,Yichang Central People's Hospital, Yichang, China
| | - Peng Wang
- The First College of Clinical Medical Science, China Three Gorges University, Yichang, China.,Yichang Central People's Hospital, Yichang, China
| | - Qianyuan Li
- The First College of Clinical Medical Science, China Three Gorges University, Yichang, China.,Yichang Central People's Hospital, Yichang, China
| | - Chunhua Luo
- The First College of Clinical Medical Science, China Three Gorges University, Yichang, China.,Yichang Central People's Hospital, Yichang, China
| | - Hongping Wei
- CAS Key Laboratory of Special Pathogens and Biosafety, Center for Emerging Infectious Diseases, Wuhan Institute of Virology, Chinese Academy of Sciences, Wuhan, 430071, Hubei, China
| | - Yuanyuan Hu
- Medical College, China Three Gorges University, Yichang, 443002, China.
| | - Junping Yu
- CAS Key Laboratory of Special Pathogens and Biosafety, Center for Emerging Infectious Diseases, Wuhan Institute of Virology, Chinese Academy of Sciences, Wuhan, 430071, Hubei, China.
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9
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Ezenarro JJ, Mas J, Muñoz-Berbel X, Uria N. Advances in bacterial concentration methods and their integration in portable detection platforms: A review. Anal Chim Acta 2022; 1209:339079. [PMID: 35569858 DOI: 10.1016/j.aca.2021.339079] [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: 05/14/2021] [Revised: 09/15/2021] [Accepted: 09/16/2021] [Indexed: 11/18/2022]
Abstract
Early detection and identification of microbial contaminants is crucial in many sectors, including clinical diagnostics, food quality control and environmental monitoring. Biosensors have recently gained attention among other bacterial detection technologies due to their simplicity, rapid response, selectivity, and integration/miniaturization potential in portable microfluidic platforms. However, biosensors are limited to the analysis of small sample volumes, and pre-concentration steps are necessary to reach the low sensitivity levels of few bacteria per mL required in the analysis of real clinical, industrial or environmental samples. Many platforms already exist where bacterial detection and separation/accumulation systems are integrated in a single platform, but they have not been compiled and critically analysed. This review reports on most recent advances in bacterial concentration/detection platforms with emphasis on the concentration strategy. Systems based on five concentration strategies, i.e. centrifugation, filtration, magnetic separation, electric separation or acoustophoresis, are here presented and compared in terms of processed sample volume, concentration efficiency, concentration time, ability to work with different types of samples, and integration potential, among others. The critical evaluation presented in the review is envision to facilitate the development of future platforms for fast, sensitive and in situ bacterial detection in real sample.
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Affiliation(s)
- Josune J Ezenarro
- Departament de Genètica I de Microbiologia, Universitat Autònoma de Barcelona, 08193, Cerdanyola Del Vallès, Spain; Waterologies S.L, C/ Dinamarca, 3 (nave 9), Polígono Industrial Les Comes, 08700, Igualada, Spain; Institut de Microelectrònica de Barcelona, IMB-CNM-CSIC, Campus UAB, 08193, Bellaterra, Spain.
| | - Jordi Mas
- Departament de Genètica I de Microbiologia, Universitat Autònoma de Barcelona, 08193, Cerdanyola Del Vallès, Spain
| | - Xavier Muñoz-Berbel
- Institut de Microelectrònica de Barcelona, IMB-CNM-CSIC, Campus UAB, 08193, Bellaterra, Spain
| | - Naroa Uria
- Institut de Microelectrònica de Barcelona, IMB-CNM-CSIC, Campus UAB, 08193, Bellaterra, Spain; Arkyne Tehcnologies S.L (Bioo), Carrer de La Tecnologia, 17, 08840, Viladecans, Spain.
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10
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Razmi N, Hasanzadeh M, Willander M, Nur O. Electrochemical genosensor based on gold nanostars for the detection of Escherichia coli O157:H7 DNA. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2022; 14:1562-1570. [PMID: 35357389 DOI: 10.1039/d2ay00056c] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Escherichia coli O157:H7 (E. coli O157:H7) is an enterohemorrhagic E. coli (EHEC), which has been issued as a major threat to public health worldwide due to fatal contamination of water and food. Thus, its rapid and accurate detection has tremendous importance in environmental monitoring and human health. In this regard, we report a simple and sensitive electrochemical DNA biosensor by targeting Z3276 as a genetic marker in river water. The surface of the designed gold electrode was functionalized with gold nanostars and an aminated specific sensing probe of E. coli O157:H7 to fabricate the genosensor. Cyclic voltammetry (CV) and square wave voltammetry (SWV) techniques were applied for electrochemical characterization and detection. The synthesized gold nanostars were characterized using different characterization techniques. The fabricated DNA-based sensor exhibited a high selective ability for one, two, and three-base mismatched sequences. Regeneration, stability, selectivity, and kinetics of the bioassay were investigated. Under optimal conditions, the fabricated genosensor exhibited a linear response range of 10-5 to 10-17 μM in the standard sample and 7.3 to 1 × 10-17 μM in water samples with a low limit of quantification of 0.01 zM in water samples. The detection strategy based on silver plated gold nanostars and DNA hybridization improved the sensitivity and specificity of the assay for E. coli O157:H7 detection in real water samples without filtration. The detection assay has the advantages of high selectivity, sensitivity, low amounts of reagents, short analysis time, commercialization, and potential application for the determination of other pathogenic bacteria.
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Affiliation(s)
- Nasrin Razmi
- Physics and Electronics, Department of Science and Technology, Linköping University, SE-601 74 Norrköping, Sweden.
| | - Mohammad Hasanzadeh
- Pharmaceutical Analysis Research Center, Tabriz University of Medical Sciences, Tabriz 51664, Iran
| | - Magnus Willander
- Physics and Electronics, Department of Science and Technology, Linköping University, SE-601 74 Norrköping, Sweden.
| | - Omer Nur
- Physics and Electronics, Department of Science and Technology, Linköping University, SE-601 74 Norrköping, Sweden.
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Fang B, Peng J, Zhang G, Xing K, Chen W, Liu D, Shan S, Xiong Y, Lai W. I 2/I --mediated fluorescence quenching of an Ag +-doped gold nanocluster-based immunoassay for sensitive detection of Escherichia coli O157:H7 in milk. J Dairy Sci 2022; 105:2922-2930. [PMID: 35086713 DOI: 10.3168/jds.2021-21281] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2021] [Accepted: 11/29/2021] [Indexed: 11/19/2022]
Abstract
Escherichia coli O157:H7 is a type of hazardous bacteria in the field of food safety. A sensitive and effective method is urgently needed to detect it, avoiding enormous harm for the human health. In this study, we synthesized stable Ag+-doped gold nanoclusters (Ag-AuNC) with a fluorescence intensity 4.8 times stronger than that of AuNC. It was further demonstrated that Ag0 existing in the AuNC core and a fraction of Ag+ anchored on the AuNC shell eliminated the surface defects and improved the luminescent properties of AuNC. A combination of I2 and I- was used to quench fluorescence-enhanced Ag-AuNC, which was first applied in ELISA for detecting E. coli O157:H7 to improve the sensitivity. In the presence of E. coli O157:H7, the biotinylated anti-E. coli O157:H7 mAb and streptavidin-alkaline phosphatase would be immobilized and catalyze l-ascorbic acid 2-phosphate sesquimagnesium salt hydrate to produce ascorbic acid. After addition of KIO3, I2/I- were generated. The I2 could trigger oxidative etching of Ag-AuNC and I- could combine with Ag+ to decrease the Ag+ concentration of Ag-AuNC, which resulted in fluorescence quenching of Ag-AuNC. Under optimal conditions, the linear range of I2/I--mediated fluorescence quenching of Ag-AuNC-based immunoassay for detecting E. coli O157:H7 was 3.3 × 103 to 106 cfu/mL, with a detection limit of 9.2 × 102 cfu/mL, 10.7-fold lower than that of the traditional ELISA. The proposed immunoassay exhibits excellent sensitivity, specificity, recovery, and accuracy, which is useful for quantitative detection of E. coli O157:H7 in food safety.
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Affiliation(s)
- Bolong Fang
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, China
| | - Juan Peng
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, China
| | - Gan Zhang
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, China
| | - Keyu Xing
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, China
| | - Wenyao Chen
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, China
| | - Daofeng Liu
- Jiangxi Province Center for Disease Control and Prevention, Nanchang 330047, China
| | - Shan Shan
- College of Lifetime Sciences, Jiangxi Normal University, Nanchang 330022, China
| | - Yonghua Xiong
- Jiangxi-Ostasien Institut (OAI) Joint Research Institute, Nanchang University, Nanchang 330047, China
| | - Weihua Lai
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, China.
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12
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Sun R, Zou H, Zhang Y, Zhang X, Chen L, Lv R, Sheng R, Du T, Li Y, Wang H, Qi Y. Vancomycin recognition and induced-aggregation of the Au nanoparticles through freeze-thaw for foodborne pathogen Staphylococcus aureus detection. Anal Chim Acta 2022; 1190:339253. [PMID: 34857141 DOI: 10.1016/j.aca.2021.339253] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2021] [Revised: 10/31/2021] [Accepted: 11/03/2021] [Indexed: 11/24/2022]
Abstract
Infectious diseases caused by foodborne pathogens have become a serious public health problem. It is urgent to develop simple, rapid, and visual methods for pathogen detection. Herein, gold nanoparticles (AuNPs), aptamer and vancomycin (Van) based dual-recognition molecules and magnetic enrichment were combined to realize visual detection of Staphylococcus aureus (S. aureus). Initially, S. aureus was bounded to aptamer coupled Fe3O4 with high affinity and selectivity, which can achieve the separation and enrichment of S. aureus in complex sample matrix. Subsequently, the second recognition molecule, Van, was conjugated to S. aureus -Apt - Fe3O4. Finally, the unbound Van supernatant was dropped in AuNPs solution that induced the aggregation of the AuNPs through freeze-thaw. Firstly, it was found that AuNPs were stable in the presence of Van after a freeze-thaw cycle. A facile visual colorimetric detection of S. aureus was constructed with the linear range from 101 to 104 CFU/mL and the limit of detection (LOD) of 0.2 CFU/mL. By altering the aptamer, this method can be extended to the other Gram-positive bacteria. The proposed method has great potential applications in monitoring food contamination and infectious diseases.
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Affiliation(s)
- Ruimeng Sun
- School of Public Health, Jilin University, Changchun, Jilin, 130021, PR China
| | - Hangjin Zou
- School of Public Health, Jilin University, Changchun, Jilin, 130021, PR China
| | - Yang Zhang
- School of Public Health, Jilin University, Changchun, Jilin, 130021, PR China
| | - Xinming Zhang
- School of Public Health, Jilin University, Changchun, Jilin, 130021, PR China
| | - Lixia Chen
- School of Public Health, Jilin University, Changchun, Jilin, 130021, PR China
| | - Ruijuan Lv
- School of Public Health, Jilin University, Changchun, Jilin, 130021, PR China
| | - Rongtian Sheng
- School of Public Health, Jilin University, Changchun, Jilin, 130021, PR China
| | - Ting Du
- School of Public Health, Jilin University, Changchun, Jilin, 130021, PR China
| | - Yuhan Li
- School of Public Health, Jilin University, Changchun, Jilin, 130021, PR China
| | - Han Wang
- School of Public Health, Jilin University, Changchun, Jilin, 130021, PR China
| | - Yanfei Qi
- School of Public Health, Jilin University, Changchun, Jilin, 130021, PR China.
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13
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Khoshroo A, Mavaei M, Rostami M, Valinezhad-Saghezi B, Fattahi A. Recent advances in electrochemical strategies for bacteria detection. BIOIMPACTS : BI 2022; 12:567-588. [PMID: 36644549 PMCID: PMC9809139 DOI: 10.34172/bi.2022.23616] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/12/2021] [Revised: 02/20/2022] [Accepted: 04/05/2022] [Indexed: 11/06/2022]
Abstract
Introduction: Bacterial infections have always been a major threat to public health and humans' life, and fast detection of bacteria in various samples is significant to provide early and effective treatments. Cell-culture protocols, as well-established methods, involve labor-intensive and complicated preparation steps. For overcoming this drawback, electrochemical methods may provide promising alternative tools for fast and reliable detection of bacterial infections. Methods: Therefore, this review study was done to present an overview of different electrochemical strategy based on recognition elements for detection of bacteria in the studies published during 2015-2020. For this purpose, many references in the field were reviewed, and the review covered several issues, including (a) enzymes, (b) receptors, (c) antimicrobial peptides, (d) lectins, (e) redox-active metabolites, (f) aptamer, (g) bacteriophage, (h) antibody, and (i) molecularly imprinted polymers. Results: Different analytical methods have developed are used to bacteria detection. However, most of these methods are highly time, and cost consuming, requiring trained personnel to perform the analysis. Among of these methods, electrochemical based methods are well accepted powerful tools for the detection of various analytes due to the inherent properties. Electrochemical sensors with different recognition elements can be used to design diagnostic system for bacterial infections. Recent studies have shown that electrochemical assay can provide promising reliable method for detection of bacteria. Conclusion: In general, the field of bacterial detection by electrochemical sensors is continuously growing. It is believed that this field will focus on portable devices for detection of bacteria based on electrochemical methods. Development of these devices requires close collaboration of various disciplines, such as biology, electrochemistry, and biomaterial engineering.
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Affiliation(s)
- Alireza Khoshroo
- Nutrition Health Research center, Hamadan University of Medical Sciences, Hamadan, Iran
,Corresponding authors: Alireza Khoshroo, ; Ali Fattahi,
| | - Maryamosadat Mavaei
- Pharmaceutical Sciences Research Center, Health Technology Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Masoume Rostami
- Student Research Committe, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | | | - Ali Fattahi
- Pharmaceutical Sciences Research Center, Health Technology Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
,Medical Biology Research Center, Health Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
,Corresponding authors: Alireza Khoshroo, ; Ali Fattahi,
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14
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Gao Y, Zhang S, Wu C, Li Q, Shen Z, Lu Y, Wu ZS. Self-Protected DNAzyme Walker with a Circular Bulging DNA Shield for Amplified Imaging of miRNAs in Living Cells and Mice. ACS NANO 2021; 15:19211-19224. [PMID: 34854292 DOI: 10.1021/acsnano.1c04260] [Citation(s) in RCA: 65] [Impact Index Per Article: 21.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Abnormal expression of miRNAs is often detected in various human cancers. DNAzyme machines combined with gold nanoparticles (AuNPs) hold promise for detecting specific miRNAs in living cells but show short circulation time due to the fragility of catalytic core. Using miRNA-21 as the model target, by introducing a circular bulging DNA shield into the middle of the catalytic core, we report herein a self-protected DNAzyme (E) walker capable of fully stepping on the substrate (S)-modified AuNP for imaging intracellular miRNAs. The DNAzyme walker exhibits 5-fold enhanced serum resistance and more than 8-fold enhanced catalytic activity, contributing to the capability to image miRNAs much higher than commercial transfection reagent and well-known FISH technique. Diseased cells can accurately be distinguished from healthy cells. Due to its universality, DNAzyme walker can be extended for imaging other miRNAs only by changing target binding domain, indicating a promising tool for cancer diagnosis and prognosis.
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Affiliation(s)
- Yansha Gao
- Cancer Metastasis Alert and Prevention Center, Fujian Provincial Key Laboratory of Cancer Metastasis Chemoprevention and Chemotherapy, Pharmaceutical Photocatalysis of State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, 350002, China
| | - Songbai Zhang
- Cancer Metastasis Alert and Prevention Center, Fujian Provincial Key Laboratory of Cancer Metastasis Chemoprevention and Chemotherapy, Pharmaceutical Photocatalysis of State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, 350002, China
- Department of Chemistry, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, United States
- College of Chemistry and Materials Engineering, Hunan University of Arts and Science, Changde 415000, China
| | - Chengwei Wu
- Key Laboratory of Laboratory Medicine, Ministry of Education of China, and Zhejiang Provincial Key Laboratory of Medical Genetics, School of Laboratory Medicine and Life Sciences, Wenzhou Medical University, Wenzhou, 325035, China
| | - Qian Li
- Cancer Metastasis Alert and Prevention Center, Fujian Provincial Key Laboratory of Cancer Metastasis Chemoprevention and Chemotherapy, Pharmaceutical Photocatalysis of State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, 350002, China
| | - Zhifa Shen
- Key Laboratory of Laboratory Medicine, Ministry of Education of China, and Zhejiang Provincial Key Laboratory of Medical Genetics, School of Laboratory Medicine and Life Sciences, Wenzhou Medical University, Wenzhou, 325035, China
| | - Yi Lu
- Department of Chemistry, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, United States
| | - Zai-Sheng Wu
- Cancer Metastasis Alert and Prevention Center, Fujian Provincial Key Laboratory of Cancer Metastasis Chemoprevention and Chemotherapy, Pharmaceutical Photocatalysis of State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, 350002, China
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15
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de Aquino NSM, Elias SDO, Tondo EC. Evaluation of PhageDX Salmonella Assay for Salmonella Detection in Hydroponic Curly Lettuce. Foods 2021; 10:1795. [PMID: 34441572 PMCID: PMC8394719 DOI: 10.3390/foods10081795] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2021] [Revised: 07/24/2021] [Accepted: 07/29/2021] [Indexed: 11/25/2022] Open
Abstract
Lettuce is one of the most consumed leafy vegetables worldwide and has been involved in multiple foodborne outbreaks. Salmonella is one of the most prevalent etiological agents of foodborne disease (FBD) in lettuces, and its detection may take several days depending on the chosen method. This study evaluates a new rapid method that uses recombinant bacteriophages to detect Salmonella in hydroponic curly lettuce. First, the ability of the assay to detect six Salmonella serovars at three different concentrations (1, 10, and 100 CFU/well) was tested. Second, the detection of Salmonella was tested in lettuces using a cocktail of the same Salmonella serovars and concentrations after a 7 h enrichment. The results of these experiments showed that the detection limit was dependent on the serovar tested. Most serovars were detected in only 2 h when the concentration was 100 CFU/well. Salmonella was detected in 9 h (7 h enrichment + 2 h bioluminescence assay) in all lettuce samples with 10 CFU/25 g or more. Salmonella detection was not influenced by natural microbiota of lettuces. This study demonstrated that the phage assay was sensitive and faster than other detection methods, indicating that it is a better alternative for Salmonella detection on lettuces.
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Affiliation(s)
- Nathanyelle Soraya Martins de Aquino
- Laboratório de Microbiologia e Controle de Alimentos, Instituto de Ciência e Tecnologia de Alimentos, Universidade Federal do Rio Grande do Sul Campus do Vale-Agronomia (ICTA/UFRGS), Av. Bento Gonçalves 9500, Porto Alegre 91501-970, RS CEP, Brazil; (S.d.O.E.); (E.C.T.)
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16
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O'Connell L, Marcoux PR, Roupioz Y. Strategies for Surface Immobilization of Whole Bacteriophages: A Review. ACS Biomater Sci Eng 2021; 7:1987-2014. [PMID: 34038088 DOI: 10.1021/acsbiomaterials.1c00013] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
Bacteriophage immobilization is a key unit operation in emerging biotechnologies, enabling new possibilities for biodetection of pathogenic microbes at low concentration, production of materials with novel antimicrobial properties, and fundamental research on bacteriophages themselves. Wild type bacteriophages exhibit extreme binding specificity for a single species, and often for a particular subspecies, of bacteria. Since their specificity originates in epitope recognition by capsid proteins, which can be altered by chemical or genetic modification, their binding specificity may also be redirected toward arbitrary substrates and/or a variety of analytes in addition to bacteria. The immobilization of bacteriophages on planar and particulate substrates is thus an area of active and increasing scientific interest. This review assembles the knowledge gained so far in the immobilization of whole phage particles, summarizing the main chemistries, and presenting the current state-of-the-art both for an audience well-versed in bioconjugation methods as well as for those who are new to the field.
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Affiliation(s)
- Larry O'Connell
- Université Grenoble Alpes, CEA, LETI, F38054 Grenoble, France.,Université Grenoble Alpes, CNRS, CEA, IRIG, SyMMES, 38000 Grenoble, France
| | | | - Yoann Roupioz
- Université Grenoble Alpes, CNRS, CEA, IRIG, SyMMES, 38000 Grenoble, France
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17
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18
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Yang T, Wang Z, Song Y, Yang X, Chen S, Fu S, Qin X, Zhang W, Man C, Jiang Y. A novel smartphone-based colorimetric aptasensor for on-site detection of Escherichia coli O157:H7 in milk. J Dairy Sci 2021; 104:8506-8516. [PMID: 34053767 DOI: 10.3168/jds.2020-19905] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2020] [Accepted: 04/16/2021] [Indexed: 01/25/2023]
Abstract
Effective testing tools for Escherichia coli O157:H7 can prevent outbreaks of foodborne illness. In this paper, a smartphone-based colorimetric aptasensor was developed using functionalized gold nanoparticles (GNP) and multi-walled carbon nanotubes (MWCNT) for monitoring E. coli O157:H7 in milk. The maximum absorption peak of GNP bonded with aptamer (Apt) generated evident transformation from 518 to 524 nm. The excess GNP-Apt was removed by functionalized MWCNT magnetized with carbonyl iron powder (CIP) and hybridized with a DNA probe, whereas the GNP-Apt immobilized on E. coli O157:H7 remained in the system. In the presence of a high-salt solution, the GNP-Apt that captured E. coli O157:H7 remained red, but the free GNP-Apt aggregated and appeared blue. The chromogenic results were analyzed by a smartphone-based colorimetric device that was fabricated using acrylic plates, a light-emitting diode, and a mobile power pack. To our knowledge, this was the first attempt to use a smartphone-based colorimetric aptasensor employing the capture of GNP-Apt coupled with separation of MWCNT@CIP probe to detect E. coli O157:H7. The aptasensor exhibited good reproducibility and no cross-reaction for other bacteria. A concentration of 8.43 × 103 cfu/mL of E. coli O157:H7 could be tested in pure culture, and 5.24 × 102 cfu/mL of E. coli O157:H7 could be detected in artificially contaminated milk after 1 h of incubation. Therefore, the smartphone-based colorimetric aptasensor was an efficient tool for the detection of E. coli O157:H7 in milk.
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Affiliation(s)
- Tao Yang
- Key Laboratory of Dairy Science, Ministry of Education, College of Food Science, Northeast Agricultural University, Harbin, China, 150030
| | - Zhenghui Wang
- Key Laboratory of Dairy Science, Ministry of Education, College of Food Science, Northeast Agricultural University, Harbin, China, 150030
| | - Yang Song
- Key Laboratory of Dairy Science, Ministry of Education, College of Food Science, Northeast Agricultural University, Harbin, China, 150030
| | - Xinyan Yang
- Key Laboratory of Dairy Science, Ministry of Education, College of Food Science, Northeast Agricultural University, Harbin, China, 150030
| | - Sihan Chen
- Key Laboratory of Dairy Science, Ministry of Education, College of Food Science, Northeast Agricultural University, Harbin, China, 150030
| | - Shiqian Fu
- Key Laboratory of Dairy Science, Ministry of Education, College of Food Science, Northeast Agricultural University, Harbin, China, 150030
| | - Xue Qin
- Key Laboratory of Dairy Science, Ministry of Education, College of Food Science, Northeast Agricultural University, Harbin, China, 150030
| | - Wei Zhang
- Key Laboratory of Dairy Science, Ministry of Education, College of Food Science, Northeast Agricultural University, Harbin, China, 150030
| | - Chaoxin Man
- Key Laboratory of Dairy Science, Ministry of Education, College of Food Science, Northeast Agricultural University, Harbin, China, 150030.
| | - Yujun Jiang
- Key Laboratory of Dairy Science, Ministry of Education, College of Food Science, Northeast Agricultural University, Harbin, China, 150030.
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19
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Chen G, Yang G, Wang Y, Deng M, Wang Z, Aguilar ZP, Xu H. Antibiotic-Based Magnetic Nanoprobes Combined with mPCR for Simultaneous Detection of Staphylococcus aureus and Bacillus cereus. FOOD ANAL METHOD 2021. [DOI: 10.1007/s12161-021-02026-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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20
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ZHANG T, TAO Q, BIAN XJ, CHEN Q, YAN J. Rapid Visualized Detection of Escherichia Coli O157:H7 by DNA Hydrogel Based on Rolling Circle Amplification. CHINESE JOURNAL OF ANALYTICAL CHEMISTRY 2021. [DOI: 10.1016/s1872-2040(21)60085-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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21
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Song B, Yu J, Sun Y, Wang Q, Xu S, Jia Y, Lin S, Zhang Y, Wang C, Zhang Y, Zhang X. Microfluidics for the rapid detection of Escherichia coli O157:H7 using antibody-coated microspheres. Bioengineered 2021; 12:392-401. [PMID: 33472509 PMCID: PMC8806228 DOI: 10.1080/21655979.2020.1870805] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
This study developed a novel method for the rapid detection of Escherichia coli (E. coli) O157:H7 on a microfluidic platform. First, the concentration of bacteria in a sample was determined with the adenosine triphosphate (ATP) method. Then, the specific detection of E. coli was achieved in a microfluidic chip by the immune-microsphere technique. The influences of the culture time, flow rate and capture time on the detection of the target bacteria were investigated systematically. Generally, with increasing capture time, more bacteria could be captured by the microspheres, which had a positive effect on bacterial detection. Furthermore, the sensitivity and specificity of the method were also tested. The results showed that this method could specifically detect E. coli with a sensitivity as high as 49.1 cfu/μL; the consumption of bacteria was 1 μL, and the reagent was at the microliter level. The testing time can be controlled within one and a half hours, and the cost of testing was approximately RMB 10. The method described in this article is simple and accurate and has great application value in bacterial detection for medical diagnostics.
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Affiliation(s)
- Bo Song
- Department of Clinical Pathogen, Medical Technology College, Qiqihar Medical University , Qiqihar, China
| | - Jiayuan Yu
- Clinical Laboratory, Microbial Virus Group, the Second Affiliated Hospital of Heilongjiang University of Traditional Chinese Medicine , Harbin, China
| | - Yan Sun
- Department of Clinical Pathogen, Medical Technology College, Qiqihar Medical University , Qiqihar, China
| | - Qiao Wang
- Department of Stomatology, The Second Affiliated Hospital of Qiqihar Medical University , Qiqihar, China
| | - Shengnan Xu
- Medical Technology College, Qiqihar Medical University , Qiqihar, China
| | - Yichen Jia
- Medical Technology College, Qiqihar Medical University , Qiqihar, China
| | - Shuying Lin
- Medical Technology College, Qiqihar Medical University , Qiqihar, China
| | - Yueying Zhang
- Medical Technology College, Qiqihar Medical University , Qiqihar, China
| | - Chen Wang
- Medical Technology College, Qiqihar Medical University , Qiqihar, China
| | - Yingbo Zhang
- Pathology College, Qiqihar Medical University , Qiqihar, China
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22
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León Anchustegui VA, Zhu J, He L, Bi Y, Dong Y, Liu JH, Wang S. Coencapsulation of Carbon Dots and Gold Nanoparticles over Escherichia coli for Bacterium Assay by Surface-Enhanced Raman Scattering. ACS APPLIED BIO MATERIALS 2020. [DOI: 10.1021/acsabm.0c01154] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
| | - Junhao Zhu
- College of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100029, China
| | - Luanying He
- College of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100029, China
| | - Ying Bi
- College of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100029, China
| | - Yiyang Dong
- College of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100029, China
| | - Jia-Hui Liu
- Analytical Instrumentation Center, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
| | - Shihui Wang
- College of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100029, China
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23
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Zhang T, Zhou W, Lin X, Khan MR, Deng S, Zhou M, He G, Wu C, Deng R, He Q. Light-up RNA aptamer signaling-CRISPR-Cas13a-based mix-and-read assays for profiling viable pathogenic bacteria. Biosens Bioelectron 2020; 176:112906. [PMID: 33342694 DOI: 10.1016/j.bios.2020.112906] [Citation(s) in RCA: 52] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2020] [Revised: 12/10/2020] [Accepted: 12/12/2020] [Indexed: 02/08/2023]
Abstract
Viable pathogenic bacteria cause serious human diseases via systemic infections and food poisoning. Herein, we constructed a light-up RNA aptamer signaling-CRISPR-Cas13a assay enabling mix-and-read detection of viable pathogenic bacteria. Directly targeting pathogen RNAs via CRISPR-Cas13a allows precisely discriminating viable bacteria from dead bacteria. We introduced a light-up RNA aptamer, Broccoli, serving as the substate of activated CRISPR-Cas13a to monitor the presence of pathogen RNAs, eliminating the need to use chemically labeled RNA substrate. Sequentially, the assay allows a reverse transcription-free, nucleic acid amplification-free, and label-free quantification of RNA targets and viable pathogenic bacteria. It could detect as low as 10 CFU of Bacillus cereus and precisely quantify viable bacteria with a content ranging from 0% to 100% in 105 CFU total bacteria. The quantification of viable bacteria allows more accurately estimating the ability of B. cereus to spoil food. The RNA assay promises its use in point-of-use detection of viable pathogens and biosafety control.
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Affiliation(s)
- Ting Zhang
- College of Biomass Science and Engineering, Healthy Food Evaluation Research Center, Sichuan University, Chengdu, 610065, China
| | - Wenhu Zhou
- Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, 410013, Hunan, China
| | - Xiaoya Lin
- College of Biomass Science and Engineering, Healthy Food Evaluation Research Center, Sichuan University, Chengdu, 610065, China
| | - Mohammad Rizwan Khan
- Department of Chemistry, College of Science, King Saud University, Riyadh, 11451, Saudi Arabia
| | - Sha Deng
- College of Biomass Science and Engineering, Healthy Food Evaluation Research Center, Sichuan University, Chengdu, 610065, China
| | - Mi Zhou
- College of Biomass Science and Engineering, Healthy Food Evaluation Research Center, Sichuan University, Chengdu, 610065, China
| | - Guiping He
- College of Biomass Science and Engineering, Healthy Food Evaluation Research Center, Sichuan University, Chengdu, 610065, China
| | - Chengyong Wu
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Collaborative Innovation Center of Biotherapy, Chengdu, Sichuan, 610041, PR China
| | - Ruijie Deng
- College of Biomass Science and Engineering, Healthy Food Evaluation Research Center, Sichuan University, Chengdu, 610065, China.
| | - Qiang He
- College of Biomass Science and Engineering, Healthy Food Evaluation Research Center, Sichuan University, Chengdu, 610065, China
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24
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Zhao Y, Bu S, Wang C, Ma C, Li Z, Zhang W, Wan J. Dual Aptamer-Copper (II) Phosphate Nanocomposite-Based Point-of-Care Biosensor for the Determination of Escherichia coli O157:H7 through Pressure Monitoring with a Hand-Held Barometer. ANAL LETT 2020. [DOI: 10.1080/00032719.2020.1817059] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Affiliation(s)
- Yinghao Zhao
- Laboratory of Pathogenic Microbiology and Immunology, College of Life Science, Jilin Agricultural University, Changchun, China
- Institute of Military Veterinary, Academy of Military Medical Sciences, Changchun, China
| | - Shengjun Bu
- Institute of Military Veterinary, Academy of Military Medical Sciences, Changchun, China
| | - Chengyu Wang
- Institute of Military Veterinary, Academy of Military Medical Sciences, Changchun, China
| | - Chengyou Ma
- College of Geo-Exploration Science and Technology, Jilin University, Changchun, China
| | - Zhongyi Li
- Institute of Military Veterinary, Academy of Military Medical Sciences, Changchun, China
| | - Wenhui Zhang
- Laboratory of Pathogenic Microbiology and Immunology, College of Life Science, Jilin Agricultural University, Changchun, China
| | - Jiayu Wan
- Institute of Military Veterinary, Academy of Military Medical Sciences, Changchun, China
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25
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Leng Y, Bu S, Li Z, Hao Z, Ma C, He X, Wan J. A Colorimetric Immunosensor Based on Hemin@MI Nanozyme Composites, with Peroxidase-like Activity for Point-of-care Testing of Pathogenic E. coli O157:H7. ANAL SCI 2020; 37:941-947. [PMID: 32893249 DOI: 10.2116/analsci.20p081] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Recently, nanozymes have become a topic of particular interest due to their high activity level, stability and biocompatibility. In this study, a visual, sensitive and selective point-of-care immunosensor was established to test the pathogen Escherichia coli O157:H7 (E. coli O157:H7). Hemin and magainin I (MI) hybrid nanocomposites (Hemin@MI) with peroxidase-mimicking activities were synthesized via a "one-pot" method, involving the simple mixing of an antimicrobial peptide (MI) against E. coli O157:H7 and hemin in a copper sulfate sodium phosphate saline buffer. Hemin@MI nanocomposites integrating target recognition and signal amplification were developed as signal probes for the point-of-care colorimetric detection of pathogenic E. coli O157:H7. Hemin@MI nanocomposites exhibit excellent peroxidase activity for the chromogenic reaction of ABTS, which allows for the visual point-of-care testing of E. coli O157:H7 in the range of 102 to 108 CFU/mL, with a limit of detection of 85 CFU/mL. These data suggest this immunosensor provides accessible and portable assessments of pathogenic E. coli O157:H7 in real samples.
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Affiliation(s)
- Yan Leng
- School of Life Science and Technology, Changchun University of Science and Technology.,Institute of Military Veterinary, Academy of Military Medical Sciences
| | - Shengjun Bu
- Institute of Military Veterinary, Academy of Military Medical Sciences
| | - Zhongyi Li
- Institute of Military Veterinary, Academy of Military Medical Sciences
| | - Zhuo Hao
- Institute of Military Veterinary, Academy of Military Medical Sciences
| | - Chengyou Ma
- College of Geo-Exploration Science and Technology, Jilin University
| | - Xiuxia He
- School of Life Science and Technology, Changchun University of Science and Technology
| | - Jiayu Wan
- Institute of Military Veterinary, Academy of Military Medical Sciences
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26
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Hu X, Li Y, Xu Y, Gan Z, Zou X, Shi J, Huang X, Li Z, Li Y. Green one-step synthesis of carbon quantum dots from orange peel for fluorescent detection of Escherichia coli in milk. Food Chem 2020; 339:127775. [PMID: 32916400 DOI: 10.1016/j.foodchem.2020.127775] [Citation(s) in RCA: 65] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2019] [Revised: 07/18/2020] [Accepted: 08/02/2020] [Indexed: 12/12/2022]
Abstract
Carbon quantum dots (CQDs) prepared by a green one-step approach was used for sensitive and selective assay of Escherichia coli O157: H7 (E. coli). CQDs was synthesized from orange peel as a carbon source via a microwave-assisted method. The CQDs displayed strong green fluorescence under excitation wavelength of 420 nm. A fluorescent probe (CQDs-MNPs) for E. coli was fabricated based on CQDs labeled with aptamer (aptamer-CQDs) and magnetic nanoparticles labeled with complementary DNA (cDNA-MNPs). Fluorescent intensity of the CQDs-MNPs was decreased with addition of E. coli. The linearity between fluorescent intensity and E. coli concentration was used for developing a fluorescent method with detecting range of 500-106 CFU/mL and detection limit of 487 CFU/mL. Milk samples contaminated by E. coli were analyzed by this method, and the results agreed with that achieved by plate-counting methods. This fluorescent probe exhibits great potential in guaranteeing food quality and safety.
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Affiliation(s)
- Xuetao Hu
- School of Agricultural Equipment Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Yanxiao Li
- School of Agricultural Equipment Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Yiwei Xu
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Ziyu Gan
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Xiaobo Zou
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, China.
| | - Jiyong Shi
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, China.
| | - Xiaowei Huang
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Zhihua Li
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Yahui Li
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, China
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27
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Ezenarro JJ, Párraga-Niño N, Sabrià M, Del Campo FJ, Muñoz-Pascual FX, Mas J, Uria N. Rapid Detection of Legionella pneumophila in Drinking Water, Based on Filter Immunoassay and Chronoamperometric Measurement. BIOSENSORS-BASEL 2020; 10:bios10090102. [PMID: 32825468 PMCID: PMC7558583 DOI: 10.3390/bios10090102] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/09/2020] [Revised: 07/21/2020] [Accepted: 08/12/2020] [Indexed: 12/19/2022]
Abstract
Legionella is a pathogenic bacterium, ubiquitous in freshwater environments and able to colonise man-made water systems from which it can be transmitted to humans during outbreaks. The prevention of such outbreaks requires a fast, low cost, automated and often portable detection system. In this work, we present a combination of sample concentration, immunoassay detection, and measurement by chronoamperometry. A nitrocellulose microfiltration membrane is used as support for both the water sample concentration and the Legionella immunodetection. The horseradish peroxidase enzymatic label of the antibodies permits using the redox substrate 3,3′,5,5′-Tetramethylbenzidine to generate current changes proportional to the bacterial concentration present in drinking water. Carbon screen-printed electrodes are employed in the chronoamperometric measurements. Our system reduces the detection time: from the 10 days required by the conventional culture-based methods, to 2–3 h, which could be crucial to avoid outbreaks. Additionally, the system shows a linear response (R2 value of 0.99), being able to detect a range of Legionella concentrations between 101 and 104 cfu·mL−1 with a detection limit (LoD) of 4 cfu·mL−1.
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Affiliation(s)
- Josune J. Ezenarro
- Departament de Genètica i Microbiologia, Universitat Autònoma de Barcelona, E-08193 Cerdanyola, Spain;
- Waterologies S.L, C/Dinamarca, 3 (nave 9), Polígon Industrial Les Comes, E-08700c Igualada, Spain
- Correspondence: (J.J.E.); (N.U.)
| | - Noemí Párraga-Niño
- Unitat de Malalties Infeccioses, Fundació Institut de Investigació Germans Trias I Pujol, E-08916 Badalona, Spain; (N.P.-N.); (M.S.)
| | - Miquel Sabrià
- Unitat de Malalties Infeccioses, Fundació Institut de Investigació Germans Trias I Pujol, E-08916 Badalona, Spain; (N.P.-N.); (M.S.)
| | - Fancisco Javier Del Campo
- Institut de Microelectrònica de Barcelona, CNM-CSIC, Esfera UAB-CEI, Campus Nord UAB, E-08193 Bellaterra, Spain; (F.J.D.C.); (F.-X.M.-P.)
- IKERBASQUE, Basque Foundation for Science, E-48013 Bilbao, Spain
| | - Francesc-Xavier Muñoz-Pascual
- Institut de Microelectrònica de Barcelona, CNM-CSIC, Esfera UAB-CEI, Campus Nord UAB, E-08193 Bellaterra, Spain; (F.J.D.C.); (F.-X.M.-P.)
| | - Jordi Mas
- Departament de Genètica i Microbiologia, Universitat Autònoma de Barcelona, E-08193 Cerdanyola, Spain;
| | - Naroa Uria
- Institut de Microelectrònica de Barcelona, CNM-CSIC, Esfera UAB-CEI, Campus Nord UAB, E-08193 Bellaterra, Spain; (F.J.D.C.); (F.-X.M.-P.)
- Correspondence: (J.J.E.); (N.U.)
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Wang L, Lin J. Recent advances on magnetic nanobead based biosensors: From separation to detection. Trends Analyt Chem 2020. [DOI: 10.1016/j.trac.2020.115915] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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G-quadruplex-based assay combined with aptamer and gold nanoparticles for Escherichia coli K88 determination. Mikrochim Acta 2020; 187:308. [PMID: 32356133 DOI: 10.1007/s00604-020-04291-x] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2019] [Accepted: 04/22/2020] [Indexed: 02/07/2023]
Abstract
A colorimetric method was developed using G-quadruplex and gold nanoparticles (AuNPs) for determination of Escherichia coli K88 (ETEC K88). It was composed of two modules: (1) an aptamer as biorecognizing element and (2) a capturing DNA (modified with AuNPs at 5') as a transducer. In the absence of target bacteria, the aptamer can form stable double strands with capturing DNA, preventing the binding of capturing DNA to the G-quadruplex. However, the double strands of capturing DNA and aptamer are untied due to the stronger binding of aptamers to bacteria in the presence of target bacteria. As a result, the G-quadruplex binds to capture DNA and leads to the aggregation and color change of AuNPs, which can be monitored by a spectrophotometer or visualization. The quantitative determination was achieved by monitoring the optical density change of AuNPs solution at 524 nm after target addition. Under optimal conditions, the method has a low detection limit (1.35 × 102 CFU mL-1) and a linear response in the range 102 to 106 CFU mL-1. Graphical abstract The manuscripts describe a colorimetric method for the detection of ETEC K88 by using intermolecular G-quadruplex to induce the agglomeration of gold nanoparticles, which can be directly used to determine the presence of bacteria with our naked eyes.
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Shankar S, Baraketi A, D’Auria S, Fraschini C, Salmieri S, Jamshidian M, Etty MC, Lacroix M. Development of support based on chitosan and cellulose nanocrystals for the immobilization of anti-Shiga toxin 2B antibody. Carbohydr Polym 2020; 232:115785. [DOI: 10.1016/j.carbpol.2019.115785] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2019] [Revised: 12/11/2019] [Accepted: 12/26/2019] [Indexed: 12/19/2022]
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Wang Q, Long M, Lv C, Xin S, Han X, Jiang W. Lanthanide-labeled fluorescent-nanoparticle immunochromatographic strips enable rapid and quantitative detection of Escherichia coli O157:H7 in food samples. Food Control 2020. [DOI: 10.1016/j.foodcont.2019.106894] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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32
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Baraketi A, D'Auria S, Shankar S, Fraschini C, Salmieri S, Menissier J, Lacroix M. Novel spider web trap approach based on chitosan/cellulose nanocrystals/glycerol membrane for the detection of Escherichia coli O157:H7 on food surfaces. Int J Biol Macromol 2020; 146:1009-1014. [DOI: 10.1016/j.ijbiomac.2019.09.225] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2019] [Revised: 09/23/2019] [Accepted: 09/26/2019] [Indexed: 12/14/2022]
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33
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Zhao Y, Zeng D, Yan C, Chen W, Ren J, Jiang Y, Jiang L, Xue F, Ji D, Tang F, Zhou M, Dai J. Rapid and accurate detection of Escherichia coli O157:H7 in beef using microfluidic wax-printed paper-based ELISA. Analyst 2020; 145:3106-3115. [DOI: 10.1039/d0an00224k] [Citation(s) in RCA: 42] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Escherichia coli O157:H7 is a severe foodborne pathogen. Paper-based ELISA can rapidly and accurately detect E.coli O157:H7 in beef. The method has good sensitivity, specificity and repeatability. It is suitable for point-of-care testing and offers new ideas for the detection of other foodborne pathogens.
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Zhang Y, Tan W, Zhang Y, Mao H, Shi S, Duan L, Wang H, Yu J. Ultrasensitive and selective detection of Staphylococcus aureus using a novel IgY-based colorimetric platform. Biosens Bioelectron 2019; 142:111570. [PMID: 31401227 DOI: 10.1016/j.bios.2019.111570] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2019] [Revised: 07/31/2019] [Accepted: 08/02/2019] [Indexed: 12/20/2022]
Abstract
To develop a specific method for the detection of S. aureus, chicken anti-protein A IgY was adopted for specifically capturing S. aureus, depending on the specific recognition of staphylococcal protein A (SPA) by chicken anti-protein A IgY, which can eliminate the interference from protein G-producing Streptococcus. HRP labeled IgG, Fc region of which has a high affinity towards SPA, was paired with IgY for the colorimeter analysis of the system. By optimizing the system, a super-low detection limit of 11 CFU of S. aureus in 100 μL PBS without enrichment, with a linear range from 5.0 × 102 CFU mL-1 to 5.0 × 104 CFU mL-1 was obtained. The entire assay was accomplished in less than 90 min and no cross-reactivity with the other tested bacterial species was observed. Moreover, the developed assay has been applied for the detection of S. aureus in three different types of real samples (sodium chloride injection, apple juice and human urine) with satisfactory results. To the best of our knowledge, it is the first time to report using chicken anti-protein A IgY and any IgG to detect S. aureus based on the dual-recognition mode of SPA. The novel method opened up a way for monitoring S. aureus in food samples with high sensitivity, specificity and simple operation.
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Affiliation(s)
- Yun Zhang
- Henan Key Laboratory of Immunology and Targeted Drug, Henan Collaborative Innovation Center of Molecular Diagnosis and Laboratory Medicine, School of Laboratory Medicine, Xinxiang Medical University, Xinxiang, 453003, PR China.
| | - Wenqing Tan
- Henan Key Laboratory of Immunology and Targeted Drug, Henan Collaborative Innovation Center of Molecular Diagnosis and Laboratory Medicine, School of Laboratory Medicine, Xinxiang Medical University, Xinxiang, 453003, PR China
| | - Yang Zhang
- School of Science, Harbin Institute of Technology (Shenzhen), Shenzhen, Guangdong, 518055, PR China
| | - Huili Mao
- School of Life Sciences and Technology, Xinxiang Medical University, Xinxiang, 453003, PR China
| | - Shuyou Shi
- Henan Key Laboratory of Immunology and Targeted Drug, Henan Collaborative Innovation Center of Molecular Diagnosis and Laboratory Medicine, School of Laboratory Medicine, Xinxiang Medical University, Xinxiang, 453003, PR China
| | - Liangwei Duan
- Henan Key Laboratory of Immunology and Targeted Drug, Henan Collaborative Innovation Center of Molecular Diagnosis and Laboratory Medicine, School of Laboratory Medicine, Xinxiang Medical University, Xinxiang, 453003, PR China
| | - Hui Wang
- Henan Key Laboratory of Immunology and Targeted Drug, Henan Collaborative Innovation Center of Molecular Diagnosis and Laboratory Medicine, School of Laboratory Medicine, Xinxiang Medical University, Xinxiang, 453003, PR China
| | - Junping Yu
- CAS Key Laboratory of Special Pathogens and Biosafety, Center for Emerging Infectious Diseases, Wuhan Institute of Virology, Chinese Academy of Sciences, Wuhan, Hubei, 430071, China.
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Inactivation and recovery kinetics of Escherichia coli O157:H7 treated with ohmic heating in broth. Lebensm Wiss Technol 2019. [DOI: 10.1016/j.lwt.2019.04.062] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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36
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Huang Z, Hu S, Xiong Y, Wei H, Xu H, Duan H, Lai W. Application and development of superparamagnetic nanoparticles in sample pretreatment and immunochromatographic assay. Trends Analyt Chem 2019. [DOI: 10.1016/j.trac.2019.03.004] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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37
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Ilhan H, Guven B, Dogan U, Torul H, Evran S, Çetin D, Suludere Z, Saglam N, Boyaci İH, Tamer U. The coupling of immunomagnetic enrichment of bacteria with paper-based platform. Talanta 2019; 201:245-252. [PMID: 31122419 DOI: 10.1016/j.talanta.2019.04.017] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2019] [Revised: 04/04/2019] [Accepted: 04/06/2019] [Indexed: 01/11/2023]
Abstract
In this study, the coupling of magnetic enrichment of bacteria from real samples with rapid surface enhanced Raman spectroscopy (SERS) detection was reported. The selective isolation and enrichment for the model bacteria Escherichia coli (E. coli) was performed using E. coli (primary) antibody bound-magnetic gold (Fe3O4@Au) nanoparticles. Following isolation and enrichment, the rennet enzyme was used to cleave of casein modified Fe3O4/Au-PEI nanoparticles from primary antibody-bound bacteria to prevent the nanoparticle aggregation and provide the movement of bacteria on nitrocellulose membrane. In the first part of the study, optimization studies were carried out namely; the amounts of gold nanoparticles (AuNPs), polyethyleneimine coated magnetic gold (Fe3O4/Au-PEI) nanoparticles, casein and rennet enzyme. The SERS signals of DTNB (5,5'-Dithiobis(2-nitrobenzoic acid)) molecule were collected on the test line and a calibration curve was plotted by using signal intensities. The correlation between the concentration of E. coli and SERS signal was found to be linear within the range of 101-107 cfu/mL (R2 = 0.984, LOD = 0.52 cfu/mL and LOQ = 1.57 cfu/mL). The selectivity of the paper-based lateral flow immunoassay (LFIA) was examined with Bacillus subtilis (B. subtilis), Micrococcus luteus (M. luteus), Salmonella enteritidis (S. enteritidis) which did not produce any significant response compared with E. coli measurement. Finally, the developed paper-based LFIA was tested with urine and milk samples. The obtained SERS results were compared with a plate counting method results which were in a good accordance. The developed method was found as rapid and sensitive to E. coli with a total analysis time of less than 60 min.
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Affiliation(s)
- Hasan Ilhan
- Department of Nanotechnology, Faculty of Science, Hacettepe University, 06800, Ankara, Turkey
| | - Burcu Guven
- Department of Food Engineering, Faculty of Engineering, Hacettepe University, Beytepe, 06800, Ankara, Turkey
| | - Uzeyir Dogan
- Department of Analytical Chemistry, Faculty of Pharmacy, Gazi University, Etiler, 06330, Ankara, Turkey
| | - Hilal Torul
- Department of Analytical Chemistry, Faculty of Pharmacy, Gazi University, Etiler, 06330, Ankara, Turkey
| | - Sefika Evran
- Department of Food Engineering, Faculty of Engineering, Hacettepe University, Beytepe, 06800, Ankara, Turkey
| | - Demet Çetin
- Science Teaching Programme, Faculty of Education, Gazi University, Besevler, 06500, Ankara, Turkey
| | - Zekiye Suludere
- Department of Biology, Faculty of Science, Gazi University, Besevler, 06500, Ankara, Turkey
| | - Necdet Saglam
- Department of Nanotechnology, Faculty of Science, Hacettepe University, 06800, Ankara, Turkey
| | - İsmail Hakki Boyaci
- Department of Food Engineering, Faculty of Engineering, Hacettepe University, Beytepe, 06800, Ankara, Turkey
| | - Ugur Tamer
- Department of Analytical Chemistry, Faculty of Pharmacy, Gazi University, Etiler, 06330, Ankara, Turkey.
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38
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Fruit peels waste for the green synthesis of silver nanoparticles with antimicrobial activity against foodborne pathogens. Lebensm Wiss Technol 2019. [DOI: 10.1016/j.lwt.2019.01.023] [Citation(s) in RCA: 57] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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39
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A novel method based on fluorescent magnetic nanobeads for rapid detection of Escherichia coli O157:H7. Food Chem 2019; 276:333-341. [DOI: 10.1016/j.foodchem.2018.09.164] [Citation(s) in RCA: 72] [Impact Index Per Article: 14.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2018] [Revised: 09/26/2018] [Accepted: 09/26/2018] [Indexed: 01/20/2023]
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40
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Zhang Y, Shi S, Xing J, Tan W, Zhang C, Zhang L, Yuan H, Zhang M, Qiao J. A novel colorimetric sensing platform for the detection ofS. aureuswith high sensitivity and specificity. RSC Adv 2019; 9:33589-33595. [PMID: 35528901 PMCID: PMC9073649 DOI: 10.1039/c9ra05304b] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2019] [Accepted: 10/11/2019] [Indexed: 12/19/2022] Open
Abstract
In this study, a novel colorimetric sensing platform was developed for the detection of S. aureus using dog immunoglobulin G (IgG) as the capture antibody and chicken anti-protein A immunoglobulin Y labeled with horseradish peroxidase (HRP-IgY) as the detection antibody. Dog IgG labeled with magnetic beads was used to capture S. aureus through the interaction between the Fc region of dog IgG and Staphylococcal protein A (SPA). HRP-IgY was introduced to recognize the residual SPA on the surface of S. aureus and to create a sandwich format, after which a soluble 3,3′,5,5′-tetramethylbenzidine (TMB) substrate was added. A stop solution was utilized to cease the enzymatic chromogenic reaction, and then optical density was read at 450 nm. Under optimal conditions, the proposed method displayed a low detection limit of 1.0 × 103 CFU mL−1 and a wide linear range of 3.1 × 103 to 2.0 × 105 CFU mL−1. This detection method exhibited high specificity against other foodborne bacteria. The recovery rates ranged from 95.2% to 129.2%. To our knowledge, this is the first report to employ dog IgG and chicken IgY as an antibody pair to detect S. aureus. This technique exhibits high application potential for S. aureus monitoring in various kinds of samples. Utilization of dog IgG and chicken anti-protein A IgY as an antibody pair for sensitive and selective detection of S. aureus.![]()
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Affiliation(s)
- Yun Zhang
- Henan Key Laboratory of Immunology and Targeted Therapy
- Henan Collaborative Innovation Center of Molecular Diagnosis and Laboratory Medicine
- School of Laboratory Medicine
- Xinxiang Medical University
- Xinxiang 453003
| | - Shuyou Shi
- Henan Key Laboratory of Immunology and Targeted Therapy
- Henan Collaborative Innovation Center of Molecular Diagnosis and Laboratory Medicine
- School of Laboratory Medicine
- Xinxiang Medical University
- Xinxiang 453003
| | - Jiajia Xing
- School of International Education
- Xinxiang Medical University
- Xinxiang 453003
- PR China
| | - Wenqing Tan
- Henan Key Laboratory of Immunology and Targeted Therapy
- Henan Collaborative Innovation Center of Molecular Diagnosis and Laboratory Medicine
- School of Laboratory Medicine
- Xinxiang Medical University
- Xinxiang 453003
| | - Chenguang Zhang
- Henan Key Laboratory of Immunology and Targeted Therapy
- Henan Collaborative Innovation Center of Molecular Diagnosis and Laboratory Medicine
- School of Laboratory Medicine
- Xinxiang Medical University
- Xinxiang 453003
| | - Lin Zhang
- School of Innovation and Entrepreneurship
- Xinxiang Medical University
- Xinxiang 453003
- PR China
| | - Huan Yuan
- Henan Key Laboratory of Immunology and Targeted Therapy
- Henan Collaborative Innovation Center of Molecular Diagnosis and Laboratory Medicine
- School of Laboratory Medicine
- Xinxiang Medical University
- Xinxiang 453003
| | - Miaomiao Zhang
- Henan Key Laboratory of Immunology and Targeted Therapy
- Henan Collaborative Innovation Center of Molecular Diagnosis and Laboratory Medicine
- School of Laboratory Medicine
- Xinxiang Medical University
- Xinxiang 453003
| | - Jinjuan Qiao
- Department of Medical Laboratory
- Weifang Medical University
- Weifang 261053
- PR China
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Luo J, Jiang M, Xiong J, Li J, Zhang X, Wei H, Yu J. Exploring a phage-based real-time PCR assay for diagnosing Acinetobacter baumannii bloodstream infections with high sensitivity. Anal Chim Acta 2018; 1044:147-153. [PMID: 30442396 DOI: 10.1016/j.aca.2018.09.038] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2018] [Revised: 08/14/2018] [Accepted: 09/17/2018] [Indexed: 12/21/2022]
Abstract
In the present study, we developed a phage-based real-time quantitative PCR (qPCR) methodology for sensitive diagnosis of bloodstream infection (BSI) caused by Acinetobacter baumannii (A. baumannii). An isolated A. baumannii phage p53 was used for Taqman qPCR through detecting phage replication in live A. baumannii cells in serum samples. At the phage concentration of 103 PFU/mL, the sensitive detection of A. baumannii (down to 10 CFU in 100 μL serum) has been obtained within 4 h in spiked serum samples without bacteria isolation and DNA extraction. Subsequent testing of 22 simulated serum samples spiked by different strains has shown that the results from the phage-based Taqman qPCR method have 100% agreement with the spiked concentrations of the bacteria. The assay built in this study, gathering all the advantages for detections of high rapidity, high sensitivity, good specificity, being able to detect only live bacteria not dead bacteria and no DNA extraction or purifications, can be developed to detecting other bacterial pathogens in serum or other complicated samples through switching to other types of phages and realize the rapid and sensitive detection of bacteria in BSI, which would potentially be applied for fast diagnosis in sepsis clinically.
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Affiliation(s)
- Jun Luo
- CAS Key Laboratory of Special Pathogens and Biosafety, Center for Emerging Infectious Diseases, Wuhan Institute of Virology, Chinese Academy of Sciences, Wuhan, Hubei, 430071, China; University of Chinese Academy of Sciences, Beijing 100039, China; The First College of Clinical Medical Science, China Three Gorges University, Yichang, China; Yichang Central People's Hospital, China
| | - Mengwei Jiang
- CAS Key Laboratory of Special Pathogens and Biosafety, Center for Emerging Infectious Diseases, Wuhan Institute of Virology, Chinese Academy of Sciences, Wuhan, Hubei, 430071, China
| | - Jin Xiong
- CAS Key Laboratory of Special Pathogens and Biosafety, Center for Emerging Infectious Diseases, Wuhan Institute of Virology, Chinese Academy of Sciences, Wuhan, Hubei, 430071, China
| | - Junhua Li
- CAS Key Laboratory of Special Pathogens and Biosafety, Center for Emerging Infectious Diseases, Wuhan Institute of Virology, Chinese Academy of Sciences, Wuhan, Hubei, 430071, China
| | - Xiaoxu Zhang
- CAS Key Laboratory of Special Pathogens and Biosafety, Center for Emerging Infectious Diseases, Wuhan Institute of Virology, Chinese Academy of Sciences, Wuhan, Hubei, 430071, China; The First College of Clinical Medical Science, China Three Gorges University, Yichang, China
| | - Hongping Wei
- CAS Key Laboratory of Special Pathogens and Biosafety, Center for Emerging Infectious Diseases, Wuhan Institute of Virology, Chinese Academy of Sciences, Wuhan, Hubei, 430071, China.
| | - Junping Yu
- CAS Key Laboratory of Special Pathogens and Biosafety, Center for Emerging Infectious Diseases, Wuhan Institute of Virology, Chinese Academy of Sciences, Wuhan, Hubei, 430071, China.
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Farooq U, Yang Q, Ullah MW, Wang S. Bacterial biosensing: Recent advances in phage-based bioassays and biosensors. Biosens Bioelectron 2018; 118:204-216. [PMID: 30081260 DOI: 10.1016/j.bios.2018.07.058] [Citation(s) in RCA: 71] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2018] [Accepted: 07/27/2018] [Indexed: 10/28/2022]
Abstract
In nature, different types of bacteria including pathogenic and beneficial ones exist in different habitats including environment, plants, animals, and humans. Among these, the pathogenic bacteria should be detected at earlier stages of infection; however, the conventional bacterial detection procedures are complex and time-consuming. In contrast, the advanced molecular approaches such as polymerase chain reaction (PCR) and enzyme-linked immunosorbent assay (ELISA) have significantly reduced the detection time; nevertheless, such approaches are not acceptable to a large extent and are mostly laborious and expensive. Therefore, the development of fast, inexpensive, sensitive, and specific approaches for pathogen detection is essential for different applications in food industry, clinical diagnosis, biological defense and counter-terrorism. To this end, the novel sensing approaches involving bacteriophages as recognition elements are receiving immense consideration owing to their high degree of specificity, accuracy, and reduced assay times. Besides, the phages are easily produced and are tolerant to extreme pH, temperature, and organic solvents as compared to antibodies. To date, several phage-based assays and sensors have been developed involving different systems such as quartz crystal microbalance, magnetoelastic platform, surface plasmon resonance, and electrochemical methods. This review highlights different taxonomic species and genera of phages infecting eight common disease-causing bacterial genera. It further overviews the most recent advancements in phage-based sensing assays and sensors. Likewise, it elaborates various whole-phage and phage components-based assays. Overall, this review emphasizes the importance of electrochemical biosensors as simple, reliable, cost-effective, and accurate tools for bacterial detection.
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Affiliation(s)
- Umer Farooq
- Advanced Biomaterials & Tissue Engineering Centre, Huazhong University of Science and Technology, Wuhan 430074, PR China
| | - Qiaoli Yang
- Advanced Biomaterials & Tissue Engineering Centre, Huazhong University of Science and Technology, Wuhan 430074, PR China
| | - Muhammad Wajid Ullah
- Department of Biomedical Engineering, Huazhong University of Science and Technology, Wuhan 430074, PR China
| | - Shenqi Wang
- Advanced Biomaterials & Tissue Engineering Centre, Huazhong University of Science and Technology, Wuhan 430074, PR China.
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Zhang Y, Si X, Zhang M, Yang X, Yuan H, Wang X, Zhang Y, Wang H. Rapid Colorimetric Determination of Procalcitonin Using Magnetic Separation and Enzymatic Catalysis. ANAL LETT 2018. [DOI: 10.1080/00032719.2018.1482312] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Yun Zhang
- Henan Collaborative Innovation Center of Molecular Diagnosis and Laboratory Medicine School of Laboratory Medicine, Xinxiang Medical University, Xinxiang, Henan, China
- Henan Key Laboratory of Immunology and Targeted Therapy, Xinxiang Medical University, Xinxiang, Henan, China
| | - Xiaohui Si
- Henan Collaborative Innovation Center of Molecular Diagnosis and Laboratory Medicine School of Laboratory Medicine, Xinxiang Medical University, Xinxiang, Henan, China
- Henan Key Laboratory of Immunology and Targeted Therapy, Xinxiang Medical University, Xinxiang, Henan, China
| | - Miaomiao Zhang
- Henan Collaborative Innovation Center of Molecular Diagnosis and Laboratory Medicine School of Laboratory Medicine, Xinxiang Medical University, Xinxiang, Henan, China
| | - Xue Yang
- Henan Collaborative Innovation Center of Molecular Diagnosis and Laboratory Medicine School of Laboratory Medicine, Xinxiang Medical University, Xinxiang, Henan, China
- Henan Key Laboratory of Immunology and Targeted Therapy, Xinxiang Medical University, Xinxiang, Henan, China
| | - Huan Yuan
- Henan Collaborative Innovation Center of Molecular Diagnosis and Laboratory Medicine School of Laboratory Medicine, Xinxiang Medical University, Xinxiang, Henan, China
- Henan Key Laboratory of Immunology and Targeted Therapy, Xinxiang Medical University, Xinxiang, Henan, China
| | - Xiangpeng Wang
- Henan Collaborative Innovation Center of Molecular Diagnosis and Laboratory Medicine School of Laboratory Medicine, Xinxiang Medical University, Xinxiang, Henan, China
- Henan Key Laboratory of Immunology and Targeted Therapy, Xinxiang Medical University, Xinxiang, Henan, China
| | - Yang Zhang
- School of Science, Harbin Institute of Technology (Shenzhen), Shenzhen, Guangdong, China
| | - Hui Wang
- Henan Collaborative Innovation Center of Molecular Diagnosis and Laboratory Medicine School of Laboratory Medicine, Xinxiang Medical University, Xinxiang, Henan, China
- Henan Key Laboratory of Immunology and Targeted Therapy, Xinxiang Medical University, Xinxiang, Henan, China
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Richter Ł, Janczuk-Richter M, Niedziółka-Jönsson J, Paczesny J, Hołyst R. Recent advances in bacteriophage-based methods for bacteria detection. Drug Discov Today 2017; 23:448-455. [PMID: 29158194 DOI: 10.1016/j.drudis.2017.11.007] [Citation(s) in RCA: 71] [Impact Index Per Article: 10.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2017] [Revised: 10/13/2017] [Accepted: 11/10/2017] [Indexed: 12/20/2022]
Abstract
Fast and reliable bacteria detection is crucial for lowering the socioeconomic burden related to bacterial infections (e.g., in healthcare, industry or security). Bacteriophages (i.e., viruses with bacterial hosts) pose advantages such as great specificity, robustness, toughness and cheap preparation, making them popular biorecognition elements in biosensors and other assays for bacteria detection. There are several possible designs of bacteriophage-based biosensors. Here, we focus on developments based on whole virions as recognition agents. We divide the review into sections dealing with phage lysis as an analytical signal, phages as capturing elements in assays and phage-based sensing layers, putting the main focus on development reported within the past three years but without omitting the fundamentals.
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Affiliation(s)
- Łukasz Richter
- Institute of Physical Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224 Warsaw, Poland
| | - Marta Janczuk-Richter
- Institute of Physical Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224 Warsaw, Poland
| | | | - Jan Paczesny
- Institute of Physical Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224 Warsaw, Poland.
| | - Robert Hołyst
- Institute of Physical Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224 Warsaw, Poland.
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Wang L, Huang F, Cai G, Yao L, Zhang H, Lin J. An Electrochemical Aptasensor Using Coaxial Capillary with Magnetic Nanoparticle, Urease Catalysis and PCB Electrode for Rapid and Sensitive Detection of Escherichia coli O157:H7. Nanotheranostics 2017; 1:403-414. [PMID: 29071202 PMCID: PMC5647763 DOI: 10.7150/ntno.22079] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2017] [Accepted: 08/30/2017] [Indexed: 01/08/2023] Open
Abstract
The continuous outbreaks of foodborne diseases have drawn public attentions to food safety. Early screening of foodborne pathogens is crucial to prevent and control of foodborne diseases. In this study, a novel electrochemical aptasensor was developed for rapid and sensitive detection of E. coli O157:H7 using the coaxial capillary with immune magnetic nanoparticles (MNPs) for specific separation of the target bacteria, the urease with urea for amplification of the impedance signals, and the PCB gold electrode for measurement of the impedance change. The streptavidin modified MNPs were conjugated with the biotinylated polyclonal antibodies (PAbs) to form the immune MNPs, and captured in the coaxial capillary with the line-up high gradient magnetic fields to separate the bacteria from the large volume of sample. Then, the gold nanoparticles (GNPs) were modified with the aptamers against E. coli and the urease, and injected into the capillary to react with the bacteria and form the MNP-PAb-bacteria-aptamer-GNP-urease complexes. Finally, the urease on the complexes was used to catalyze the hydrolysis of urea into ammonium ions and carbonate ions in the capillary, leading to the decrease in the impedance of the catalysate, which was measured by the gold plating PCB electrode. The impedance change of the catalysate and the concentration of the bacteria had a good linear relationship. This aptasensor was able to detect E. coli as low as 101 CFU/mL in 3 h, and the mean recovery of E. coli in the spiked pasteurized milk was ~99%. This proposed aptasensor has the potential for practical applications of foodborne pathogen detection due to its short detection time, high sensitivity and low cost.
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Affiliation(s)
- Lei Wang
- Key Laboratory of Agricultural Information Acquisition Technology, Ministry of Agriculture, China Agricultural University, 17 East Qinghua Road, Beijing, 100083 China
| | - Fengchun Huang
- Key Laboratory of Agricultural Information Acquisition Technology, Ministry of Agriculture, China Agricultural University, 17 East Qinghua Road, Beijing, 100083 China
| | - Gaozhe Cai
- Key Laboratory on Modern Precision Agriculture System Integration Research, Ministry of Education, China Agricultural University, 17 East Qinghua Road, Beijing, 100083 China
| | - Lan Yao
- Key Laboratory on Modern Precision Agriculture System Integration Research, Ministry of Education, China Agricultural University, 17 East Qinghua Road, Beijing, 100083 China
| | - Huilin Zhang
- Key Laboratory of Agricultural Information Acquisition Technology, Ministry of Agriculture, China Agricultural University, 17 East Qinghua Road, Beijing, 100083 China
| | - Jianhan Lin
- Key Laboratory on Modern Precision Agriculture System Integration Research, Ministry of Education, China Agricultural University, 17 East Qinghua Road, Beijing, 100083 China
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