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Beyazit F, Arica MY, Acikgoz-Erkaya I, Ozalp C, Bayramoglu G. Quartz crystal microbalance-based aptasensor integrated with magnetic pre-concentration system for detection of Listeria monocytogenes in food samples. Mikrochim Acta 2024; 191:235. [PMID: 38570380 PMCID: PMC10990998 DOI: 10.1007/s00604-024-06307-2] [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: 12/21/2023] [Accepted: 03/09/2024] [Indexed: 04/05/2024]
Abstract
A fast and accurate identification of Listeria monocytogenes. A new quartz crystal microbalance (QCM) aptasensor was designed for the specific and rapid detection of L. monocytogenes. Before detection of the target bacterium from samples in the QCM aptasensor, a magnetic pre-enrichment system was used to eliminate any contaminant in the samples. The prepared magnetic system was characterized using ATR-FTIR, SEM, VSM, BET, and analytical methods. The saturation magnetization values of the Fe3O4, Fe3O4@PDA, and Fe3O4@PDA@DAPEG particles were 57.2, 40.8, and 36.4 emu/g, respectively. The same aptamer was also immobilized on the QCM crystal integrated into QCM flow cell and utilized to quantitatively detect L. monocytogenes cells from the samples. It was found that a specific aptamer-magnetic pre-concentration system efficiently captured L. monocytogenes cells in a short time (approximately 10 min). The Fe3O4@PDA@DA-PEG-Apt particles provided selective isolation of L. monocytogenes from the bacteria-spiked media up to 91.8%. The immobilized aptamer content of the magnetic particles was 5834 µg/g using 500 ng Apt/mL. The QCM aptasensor showed a very high range of analytical performance to the target bacterium from 1.0 × 102 and 1.0 × 107 CFU/mL. The limit of detection (LOD) and limit of quantitation (LOQ) were 148 and 448 CFU/mL, respectively, from the feeding of the QCM aptasensor flow cell with the eluent of the magnetic pre-concentration system. The reproducibility of the aptasensor was more than 95%. The aptasensor was very specific to L. monocytogenes compared to the other Listeria species (i.e., L. ivanovii, L. innocua, and L. seeligeri) or other tested bacteria such as Staphylococcus aureus, Escherichia coli, and Bacillus subtilis. The QCM aptasensor was regenerated with NaOH solution, and the system was reused many times.
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Affiliation(s)
- Fatma Beyazit
- Department of Obstetrics and Gynecology, Faculty of Medicine, Çanakkale Onsekiz Mart University, Çanakkale, Turkey
| | - Mehmet Yakup Arica
- Biochemical Processing and Biomaterial Research Laboratory, Gazi University, 06500, Teknikokullar, Ankara, Turkey
| | - Ilkay Acikgoz-Erkaya
- Department of Environmental Science, Faculty of Engineering and Architecture, Ahi Evran University, Kırsehir, Turkey
| | - Cengiz Ozalp
- Department of Medical Biology, School of Medicine, Atilim University, Ankara, Turkey
| | - Gulay Bayramoglu
- Biochemical Processing and Biomaterial Research Laboratory, Gazi University, 06500, Teknikokullar, Ankara, Turkey.
- Department of Chemistry, Faculty of Sciences, Gazi University, 06500, Teknikokullar, Ankara, Turkey.
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2
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Lin M, Dan H. Design of a novel affinity probe using the cell wall-binding domain of a Listeria monocytogenes autolysin for pathogen detection. Microbiol Spectr 2023; 11:e0535622. [PMID: 37795989 PMCID: PMC10714868 DOI: 10.1128/spectrum.05356-22] [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: 12/30/2022] [Accepted: 06/18/2023] [Indexed: 10/06/2023] Open
Abstract
IMPORTANCE Human listeriosis is caused by consuming foods contaminated with the bacterial pathogen Listeria monocytogenes, leading to the development of a severe and life-threatening foodborne illness. Detection of L. monocytogenes present in food and food processing environments is crucial for preventing Listeria infection. The L. monocytogenes peptidoglycan hydrolase IspC anchors non-covalently to the bacterial surface through its C-terminal cell wall-binding domain (CWBD), CWBDIspC. This study explored the surface binding property of CWBDIspC to design, construct, characterize, and assess an affinity molecular probe for detecting L. monocytogenes. CWBDIspC recognized a cell wall ligand lipoteichoic acid that remains evenly displayed and mostly unoccupied on the bacterial surface for interaction with the exogenously added CWBDIspC. CWBDIspC, when fused to the enhanced green fluorescent protein reporter or covalently conjugated onto magnetic beads, exhibited the functionality as an antibody alternative for rapid detection and efficient separation of the pathogen.
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Affiliation(s)
- Min Lin
- Ottawa Laboratory (Fallowfield), Canadian Food Inspection Agency, Ottawa, Ontario, Canada
- Department of Biochemistry Microbiology and Immunology, University of Ottawa, Ottawa, Ontario, Canada
| | - Hanhong Dan
- Ottawa Laboratory (Fallowfield), Canadian Food Inspection Agency, Ottawa, Ontario, Canada
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3
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Guliy OI, Karavaeva OA, Smirnov AV, Eremin SA, Bunin VD. Optical Sensors for Bacterial Detection. SENSORS (BASEL, SWITZERLAND) 2023; 23:9391. [PMID: 38067765 PMCID: PMC10708710 DOI: 10.3390/s23239391] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/07/2023] [Revised: 11/12/2023] [Accepted: 11/20/2023] [Indexed: 12/18/2023]
Abstract
Analytical devices for bacterial detection are an integral part of modern laboratory medicine, as they permit the early diagnosis of diseases and their timely treatment. Therefore, special attention is directed to the development of and improvements in monitoring and diagnostic methods, including biosensor-based ones. A promising direction in the development of bacterial detection methods is optical sensor systems based on colorimetric and fluorescence techniques, the surface plasmon resonance, and the measurement of orientational effects. This review shows the detecting capabilities of these systems and the promise of electro-optical analysis for bacterial detection. It also discusses the advantages and disadvantages of optical sensor systems and the prospects for their further improvement.
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Affiliation(s)
- Olga I. Guliy
- Institute of Biochemistry and Physiology of Plants and Microorganisms—Subdivision of the Federal State Budgetary Research Institution Saratov Federal Scientific Centre of the Russian Academy of Sciences (IBPPM RAS), Saratov 410049, Russia;
| | - Olga A. Karavaeva
- Institute of Biochemistry and Physiology of Plants and Microorganisms—Subdivision of the Federal State Budgetary Research Institution Saratov Federal Scientific Centre of the Russian Academy of Sciences (IBPPM RAS), Saratov 410049, Russia;
| | - Andrey V. Smirnov
- Kotelnikov Institute of Radio Engineering and Electronics, Russian Academy of Sciences, Moscow 125009, Russia;
| | - Sergei A. Eremin
- Department of Chemistry, M. V. Lomonosov Moscow State University, Moscow 119991, Russia;
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4
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Liu D, Bai X, Helmick HDB, Samaddar M, Amalaradjou MAR, Li X, Tenguria S, Gallina NLF, Xu L, Drolia R, Aryal UK, Moreira GMSG, Hust M, Seleem MN, Kokini JL, Ostafe R, Cox A, Bhunia AK. Cell-surface anchoring of Listeria adhesion protein on L. monocytogenes is fastened by internalin B for pathogenesis. Cell Rep 2023; 42:112515. [PMID: 37171960 DOI: 10.1016/j.celrep.2023.112515] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2022] [Revised: 03/10/2023] [Accepted: 04/28/2023] [Indexed: 05/14/2023] Open
Abstract
Listeria adhesion protein (LAP) is a secreted acetaldehyde alcohol dehydrogenase (AdhE) that anchors to an unknown molecule on the Listeria monocytogenes (Lm) surface, which is critical for its intestinal epithelium crossing. In the present work, immunoprecipitation and mass spectrometry identify internalin B (InlB) as the primary ligand of LAP (KD ∼ 42 nM). InlB-deleted and naturally InlB-deficient Lm strains show reduced LAP-InlB interaction and LAP-mediated pathology in the murine intestine and brain invasion. InlB-overexpressing non-pathogenic Listeria innocua also displays LAP-InlB interplay. In silico predictions reveal that a pocket region in the C-terminal domain of tetrameric LAP is the binding site for InlB. LAP variants containing mutations in negatively charged (E523S, E621S) amino acids in the C terminus confirm altered binding conformations and weaker affinity for InlB. InlB transforms the housekeeping enzyme, AdhE (LAP), into a moonlighting pathogenic factor by fastening on the cell surface.
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Affiliation(s)
- Dongqi Liu
- Molecular Food Microbiology Laboratory, Department of Food Science, Purdue University, West Lafayette, IN, USA; Purdue Institute of Inflammation, Immunology, and Infectious Disease, West Lafayette, IN, USA
| | - Xingjian Bai
- Molecular Food Microbiology Laboratory, Department of Food Science, Purdue University, West Lafayette, IN, USA
| | | | - Manalee Samaddar
- Molecular Food Microbiology Laboratory, Department of Food Science, Purdue University, West Lafayette, IN, USA; Purdue Institute of Inflammation, Immunology, and Infectious Disease, West Lafayette, IN, USA
| | - Mary Anne Roshni Amalaradjou
- Molecular Food Microbiology Laboratory, Department of Food Science, Purdue University, West Lafayette, IN, USA; Department of Animal Sciences, University of Connecticut, Storrs, CT, USA
| | - Xilin Li
- Molecular Food Microbiology Laboratory, Department of Food Science, Purdue University, West Lafayette, IN, USA
| | - Shivendra Tenguria
- Molecular Food Microbiology Laboratory, Department of Food Science, Purdue University, West Lafayette, IN, USA; Purdue Institute of Inflammation, Immunology, and Infectious Disease, West Lafayette, IN, USA
| | - Nicholas L F Gallina
- Molecular Food Microbiology Laboratory, Department of Food Science, Purdue University, West Lafayette, IN, USA; Purdue Institute of Inflammation, Immunology, and Infectious Disease, West Lafayette, IN, USA
| | - Luping Xu
- Department of Food Science, Purdue University, West Lafayette, IN, USA
| | - Rishi Drolia
- Molecular Food Microbiology Laboratory, Department of Food Science, Purdue University, West Lafayette, IN, USA; Purdue Institute of Inflammation, Immunology, and Infectious Disease, West Lafayette, IN, USA; Department of Biological Science, Eastern Kentucky University, Richmond, KY, USA
| | - Uma K Aryal
- Bindley Bioscience, Purdue University, West Lafayette, IN, USA; Department of Comparative Pathobiology, Purdue University, West Lafayette, IN, USA
| | - Gustavo Marçal Schmidt Garcia Moreira
- Technische Universität Braunschweig University of Technology, Institute for Biochemistry, Biotechnology, and Bioinformatics, Spielmannstr. 7, 38106 Braunschweig, Germany
| | - Michael Hust
- Technische Universität Braunschweig University of Technology, Institute for Biochemistry, Biotechnology, and Bioinformatics, Spielmannstr. 7, 38106 Braunschweig, Germany
| | - Mohamed N Seleem
- Department of Comparative Pathobiology, Purdue University, West Lafayette, IN, USA; Department of Biomedical Sciences and Pathobiology, Virginia-Maryland College of Veterinary Medicine, Virginia Polytechnic Institute and State University, Blacksburg, VA, USA
| | - Jozef L Kokini
- Department of Food Science, Purdue University, West Lafayette, IN, USA
| | - Raluca Ostafe
- Purdue Institute of Inflammation, Immunology, and Infectious Disease, West Lafayette, IN, USA
| | - Abigail Cox
- Department of Comparative Pathobiology, Purdue University, West Lafayette, IN, USA
| | - Arun K Bhunia
- Molecular Food Microbiology Laboratory, Department of Food Science, Purdue University, West Lafayette, IN, USA; Purdue Institute of Inflammation, Immunology, and Infectious Disease, West Lafayette, IN, USA; Department of Comparative Pathobiology, Purdue University, West Lafayette, IN, USA.
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5
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Servarayan K, Krishnamoorthy G, Sundaram E, Karuppusamy M, Murugan M, Piraman S, Vasantha VS. Optical Immunosensor for the Detection of Listeria monocytogenes in Food Matrixes. ACS OMEGA 2023; 8:15979-15989. [PMID: 37179640 PMCID: PMC10173425 DOI: 10.1021/acsomega.2c07848] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/09/2022] [Accepted: 04/10/2023] [Indexed: 05/15/2023]
Abstract
In this paper, simple imine-based organic fluorophore 4-amino-3-(anthracene-9 yl methyleneamino) phenyl (phenyl) methanone (APM) has been synthesized via a greener approach and the same was used to construct a fluorescent immunoassay for the detection of Listeria monocytogenes (LM). A monoclonal antibody of LM was tagged with APM via the conjugation of the amine group in APM and the acid group of anti-LM through EDC/NHS coupling. The designed immunoassay was optimized for the specific detection of LM in the presence of other interfering pathogens based on the aggregation-induced emission mechanism and the formation of aggregates and their morphology was confirmed with the help of scanning electron microscopy. Density functional theory studies were done to further support the sensing mechanism-based changes in the energy level distribution. All photophysical parameters were measured by using fluorescence spectroscopy techniques. Specific and competitive recognition of LM was done in the presence of other relevant pathogens. The immunoassay shows a linear appreciable range from 1.6 × 106-2.7024 × 108 cfu/mL using the standard plate count method. The LOD has been calculated from the linear equation and the value is found as 3.2 cfu/mL, and this is the lowest LOD value reported for the detection of LM so far. The practical applications of the immunoassay were demonstrated in various food samples, and their accuracy obtained was highly comparable with the standard existing ELISA method.
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Affiliation(s)
- Karthika
Lakshmi Servarayan
- Department
of Natural Products Chemistry, School of Chemistry, Madurai Kamaraj University, Madurai 625021, Tamil Nadu, India
| | - Govindan Krishnamoorthy
- Translational
Research Platform for Veterinary Biologicals, Central University Laboratory, TANUVAS, Chennai 600051, Tamil Nadu, India
| | - Ellairaja Sundaram
- Department
of Chemistry, Vivekananda College, Tiruvedakam-West, Madurai 625234, India
| | - Masiyappan Karuppusamy
- Centre
for High Computing, CSIR-Central Leather
Research Institute, Adyar, Chennai 600020, India
- Academy
of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Marudhamuthu Murugan
- Department
of Microbial Technology, Madurai Kamaraj
University, Madurai 625021, India
| | - Shakkthivel Piraman
- Department
of Nanoscience and Technology, Alagappa
University, Karaikudi-630003, India
| | - Vairathevar Sivasamy Vasantha
- Department
of Natural Products Chemistry, School of Chemistry, Madurai Kamaraj University, Madurai 625021, Tamil Nadu, India
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Janik-Karpinska E, Ceremuga M, Niemcewicz M, Podogrocki M, Stela M, Cichon N, Bijak M. Immunosensors-The Future of Pathogen Real-Time Detection. SENSORS (BASEL, SWITZERLAND) 2022; 22:s22249757. [PMID: 36560126 PMCID: PMC9785510 DOI: 10.3390/s22249757] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/04/2022] [Revised: 12/07/2022] [Accepted: 12/10/2022] [Indexed: 05/26/2023]
Abstract
Pathogens and their toxins can cause various diseases of different severity. Some of them may be fatal, and therefore early diagnosis and suitable treatment is essential. There are numerous available methods used for their rapid screening. Conventional laboratory-based techniques such as culturing, enzyme-linked immunosorbent assay (ELISA) and polymerase chain reaction (PCR) are dominant. However, culturing still remains the "gold standard" for their identification. These methods have many advantages, including high sensitivity and selectivity, but also numerous limitations, such as long experiment-time, costly instrumentation, and the need for well-qualified personnel to operate the equipment. All these existing limitations are the reasons for the continuous search for a new solutions in the field of bacteria identification. For years, research has been focusing on the use of immunosensors in various types of toxin- and pathogen-detection. Compared to the conventional methods, immunosensors do not require well-trained personnel. What is more, immunosensors are quick, highly selective and sensitive, and possess the potential to significantly improve the pathogen and toxin diagnostic-processes. There is a very important potential use for them in various transport systems, where the risk of contamination by bioagents is very high. In this paper, the advances in the field of immunosensor usage in pathogenic microorganism- and toxin-detection, are described.
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Affiliation(s)
- Edyta Janik-Karpinska
- Biohazard Prevention Centre, Faculty of Biology and Environmental Protection, University of Lodz, Pomorska 141/143, 90-236 Lodz, Poland
| | - Michal Ceremuga
- Military Institute of Armored and Automotive Technology, Okuniewska 1, 05-070 Sulejowek, Poland
| | - Marcin Niemcewicz
- Biohazard Prevention Centre, Faculty of Biology and Environmental Protection, University of Lodz, Pomorska 141/143, 90-236 Lodz, Poland
| | - Marcin Podogrocki
- Biohazard Prevention Centre, Faculty of Biology and Environmental Protection, University of Lodz, Pomorska 141/143, 90-236 Lodz, Poland
| | - Maksymilian Stela
- Biohazard Prevention Centre, Faculty of Biology and Environmental Protection, University of Lodz, Pomorska 141/143, 90-236 Lodz, Poland
| | - Natalia Cichon
- Biohazard Prevention Centre, Faculty of Biology and Environmental Protection, University of Lodz, Pomorska 141/143, 90-236 Lodz, Poland
| | - Michal Bijak
- Biohazard Prevention Centre, Faculty of Biology and Environmental Protection, University of Lodz, Pomorska 141/143, 90-236 Lodz, Poland
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7
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Chakraborty P, Krishnani KK. Emerging bioanalytical sensors for rapid and close-to-real-time detection of priority abiotic and biotic stressors in aquaculture and culture-based fisheries. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 838:156128. [PMID: 35605873 DOI: 10.1016/j.scitotenv.2022.156128] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/17/2022] [Revised: 05/12/2022] [Accepted: 05/17/2022] [Indexed: 06/15/2023]
Abstract
Abiotic stresses of various chemical contamination of physical, inorganic, organic and biotoxin origin and biotic stresses of bacterial, viral, parasitic and fungal origins are the significant constraints in achieving higher aquaculture production. Testing and rapid detection of these chemical and microbial contaminants are crucial in identifying and mitigating abiotic and biotic stresses, which has become one of the most challenging aspects in aquaculture and culture-based fisheries. The classical analytical techniques, including titrimetric methods, spectrophotometric, mass spectrometric, spectroscopic, and chromatographic techniques, are tedious and sometimes inaccessible when required. The development of novel and improved bioanalytical methods for rapid, selective and sensitive detection is a wide and dynamic field of research. Biosensors offer precise detection of biotic and abiotic stressors in aquaculture and culture-based fisheries within no time. This review article allows filling the knowledge gap for detection and monitoring of chemical and microbial contaminants of abiotic and biotic origin in aquaculture and culture-based fisheries using nano(bio-) analytical technologies, including nano(bio-)molecular and nano(bio-)sensing techniques.
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Affiliation(s)
- Puja Chakraborty
- ICAR-Central Institute of Fisheries Education, Panch Marg, Off Yari Road, Versova, Andheri (W), Mumbai 400061, India
| | - K K Krishnani
- ICAR-Central Institute of Fisheries Education, Panch Marg, Off Yari Road, Versova, Andheri (W), Mumbai 400061, India.
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8
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Liang S, Ji L, Zhong Y, Wang T, Yang H, Li QL, Li X, Zhao S. Fluorescence immunoassay for the targeted determination of trace Listeria monocytogenes based on immunomagnetic separation and CdZnTe quantum dot indication. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2022; 14:1124-1133. [PMID: 35212322 DOI: 10.1039/d1ay02106k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Infections from invasive Listeria monocytogenes (L. monocytogenes) frequently occur in food and can cause high morbidity and death. Thus, the sensitive, specific, and rapid detection of L. monocytogenes is critical for ensuring food safety and public health. Herein, a fluorescence immunoassay for trace L. monocytogenes detection was designed based on guinea pig antibody-functionalized magnetic nanoparticles (Fe3O4 NPs/pAb1) and rabbit antibody-anchored CdZnTe quantum dots (CdZnTe QDs/pAb2). Because of the antibody-directed magnetic separation and long-wave fluorescent emission for CdZnTe QD indication, the constructed immunoassay strategy presented excellent anti-interference performance toward a biological matrix. The immunosensor exhibited a wide detection range of 1 to 109 CFU mL-1 for L. monocytogenes and a low limit of detection (LOD) of 1 CFU mL-1, achieving an exceptionally sensitive detection of trace L. monocytogenes. Meanwhile, the immunosensor showed good specificity and had a short time-consumption of 60 min to realize the accurate determination of trace Listeria monocytogenes in spiked tap water and pasteurized milk samples.
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Affiliation(s)
- Shan Liang
- Department of Pharmaceutical Engineering, School of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou 510006, People's Republic of China.
| | - Li Ji
- Department of Pharmaceutical Engineering, School of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou 510006, People's Republic of China.
| | - Yingying Zhong
- Department of Pharmaceutical Engineering, School of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou 510006, People's Republic of China.
| | - Tiantian Wang
- Department of Pharmaceutical Engineering, School of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou 510006, People's Republic of China.
| | - Huiyi Yang
- Department of Pharmaceutical Engineering, School of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou 510006, People's Republic of China.
| | - Qing-Lan Li
- Department of Pharmaceutical Engineering, School of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou 510006, People's Republic of China.
| | - Xiangguang Li
- Department of Pharmaceutical Engineering, School of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou 510006, People's Republic of China.
| | - Suqing Zhao
- Department of Pharmaceutical Engineering, School of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou 510006, People's Republic of China.
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9
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Lopes-Luz L, Mendonça M, Bernardes Fogaça M, Kipnis A, Bhunia AK, Bührer-Sékula S. Listeria monocytogenes: review of pathogenesis and virulence determinants-targeted immunological assays. Crit Rev Microbiol 2021; 47:647-666. [PMID: 33896354 DOI: 10.1080/1040841x.2021.1911930] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Listeria monocytogenes is one of the most invasive foodborne pathogens and is responsible for numerous outbreaks worldwide. Most of the methods to detect this bacterium in food require selective enrichment using traditional bacterial culture techniques that can be time-consuming and labour-intensive. Moreover, molecular methods are expensive and need specific technical knowledge. In contrast, immunological approaches are faster, simpler, and user-friendly alternatives and have been developed for the detection of L. monocytogenes in food, environmental, and clinical samples. These techniques are dependent on the constitutive expression of L. monocytogenes antigens and the specificity of the antibodies used. Here, updated knowledge on pathogenesis and the key immunogenic virulence determinants of L. monocytogenes that are used for the generation of monoclonal and polyclonal antibodies for the serological assay development are summarised. In addition, immunological approaches based on enzyme-linked immunosorbent assay, immunofluorescence, lateral flow immunochromatographic assays, and immunosensors with relevant improvements are highlighted. Though the sensitivity and specificity of the assays were improved significantly, methods still face many challenges that require further validation before use.
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Affiliation(s)
- Leonardo Lopes-Luz
- Instituto de Patologia Tropical e Saúde Pública, Universidade Federal de Goiás, Goiânia, Brasil
| | - Marcelo Mendonça
- Curso de Medicina Veterinária, Universidade Federal do Agreste de Pernambuco, Garanhuns, Brasil
| | | | - André Kipnis
- Instituto de Patologia Tropical e Saúde Pública, Universidade Federal de Goiás, Goiânia, Brasil
| | - Arun K Bhunia
- Department of Food Science, Purdue University, West Lafayette, IN, USA.,Department of Comparative Pathobiology, Purdue University, West Lafayette, IN, USA.,Purdue Institute of Inflammation, Immunology and Infectious Disease, Purdue University, West Lafayette, IN, USA
| | - Samira Bührer-Sékula
- Instituto de Patologia Tropical e Saúde Pública, Universidade Federal de Goiás, Goiânia, Brasil
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10
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Development of a fluorescence aptasensor for rapid and sensitive detection of Listeria monocytogenes in food. Food Control 2021. [DOI: 10.1016/j.foodcont.2020.107808] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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11
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Sidhu RK, Cavallaro ND, Pola CC, Danyluk MD, McLamore ES, Gomes CL. Planar Interdigitated Aptasensor for Flow-Through Detection of Listeria spp. in Hydroponic Lettuce Growth Media. SENSORS (BASEL, SWITZERLAND) 2020; 20:E5773. [PMID: 33053744 PMCID: PMC7600482 DOI: 10.3390/s20205773] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/16/2020] [Revised: 10/09/2020] [Accepted: 10/10/2020] [Indexed: 02/07/2023]
Abstract
Irrigation water is a primary source of fresh produce contamination by bacteria during the preharvest, particularly in hydroponic systems where the control of pests and pathogens is a major challenge. In this work, we demonstrate the development of a Listeria biosensor using platinum interdigitated microelectrodes (Pt-IME). The sensor is incorporated into a particle/sediment trap for the real-time analysis of irrigation water in a hydroponic lettuce system. We demonstrate the application of this system using a smartphone-based potentiostat for rapid on-site analysis of water quality. A detailed characterization of the electrochemical behavior was conducted in the presence/absence of DNA and Listeria spp., which was followed by calibration in various solutions with and without flow. In flow conditions (100 mL samples), the aptasensor had a sensitivity of 3.37 ± 0.21 k log-CFU-1 mL, and the LOD was 48 ± 12 CFU mL-1 with a linear range of 102 to 104 CFU mL-1. In stagnant solution with no flow, the aptasensor performance was significantly improved in buffer, vegetable broth, and hydroponic media. Sensor hysteresis ranged from 2 to 16% after rinsing in a strong basic solution (direct reuse) and was insignificant after removing the aptamer via washing in Piranha solution (reuse after adsorption with fresh aptamer). This is the first demonstration of an aptasensor used to monitor microbial water quality for hydroponic lettuce in real time using a smartphone-based acquisition system for volumes that conform with the regulatory standards. The aptasensor demonstrated a recovery of 90% and may be reused a limited number of times with minor washing steps.
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Affiliation(s)
- Raminderdeep K. Sidhu
- Department of Biological & Agricultural Engineering, Texas A&M University, College Station, TX 77843, USA;
| | - Nicholas D. Cavallaro
- Agricultural & Biological Engineering, Institute of Food and Agricultural Sciences, University of Florida, Gainesville, FL 32611, USA;
| | - Cicero C. Pola
- Department of Mechanical Engineering, Iowa State University, Ames, IA 50011, USA;
| | - Michelle D. Danyluk
- Food Science and Human Nutrition, Institute of Food and Agricultural Sciences, University of Florida, Gainesville, FL 32611, USA;
| | - Eric S. McLamore
- Agricultural & Biological Engineering, Institute of Food and Agricultural Sciences, University of Florida, Gainesville, FL 32611, USA;
| | - Carmen L. Gomes
- Department of Mechanical Engineering, Iowa State University, Ames, IA 50011, USA;
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12
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Day J, Hammack T. Immuno‐detection and differentiation ofListeria monocytogenesandListeria ivanoviiin stone fruits. J Appl Microbiol 2019; 127:1848-1858. [DOI: 10.1111/jam.14440] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2019] [Revised: 05/09/2019] [Accepted: 07/29/2019] [Indexed: 12/21/2022]
Affiliation(s)
- J.B. Day
- Center for Food Safety and Applied Nutrition U.S. Food and Drug Administration College Park MD USA
| | - T.S. Hammack
- Center for Food Safety and Applied Nutrition U.S. Food and Drug Administration College Park MD USA
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Day JB, Hammack TS. Bio-Plex suspension array immuno-detection of Listeria monocytogenes from cantaloupe and packaged salad using virulence protein inducing activated charcoal enrichment media. Food Microbiol 2019; 84:103225. [PMID: 31421770 DOI: 10.1016/j.fm.2019.05.009] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2019] [Revised: 05/01/2019] [Accepted: 05/20/2019] [Indexed: 12/27/2022]
Abstract
Listeria monocytogenes, the causative agent of listeriosis in humans, is a Gram-positive bacterium that is contracted via the ingestion of contaminated foods. Two of the largest outbreaks of listeriosis occurred following consumption of tainted cantaloupe and packaged salads. Molecular methods and immuno-based techniques for detection of L. monocytogenes in these food matrices can be difficult due to the presence of assay inhibiting elements. In this study, we utilized a novel enrichment media containing activated charcoal as the key ingredient that induces hyperactive expression and secretion of L. monocytogenes virulence proteins. The Bio-Plex suspension array system, based on Luminex xMAP technology, was subsequently employed to specifically detect accumulated L. monocytogenes secreted and membrane bound proteins via paramagnetic microsphere-antibody complexes. Cantaloupe and packaged salad samples were treated with a dilution series of L. monocytogenes and incubated in activated charcoal media following a short pre-enrichment step in Buffered Listeria Enrichment Broth. Secreted L. monocytogenes lysteriolysin O was captured using magnetic microsphere-antibody conjugates and measured using the Bio-Ple×200 analyzer. As few as 100 CFU/g of L. monocytogenes was detected from both spiked cantaloupe and packaged salad samples. In addition, antibody conjugated microspheres targeting a membrane protein present on both pathogenic and nonpathogenic Listeria species was used to identify as few as 100 CFU/g of both pathogenic and nonpathogenic species in cantaloupe and packaged salad. This method presumptively identifies L. monocytogenes from cantaloupe and packaged salad in less than 24 h and non-pathogenic Listeria species within 22 h.
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Affiliation(s)
- J B Day
- U.S. Food and Drug Administration Center for Food Safety and Applied Nutrition 5001 Campus Dr., College Park, MD, 20740, USA.
| | - T S Hammack
- U.S. Food and Drug Administration Center for Food Safety and Applied Nutrition 5001 Campus Dr., College Park, MD, 20740, USA
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Hills KD, Oliveira DA, Cavallaro ND, Gomes CL, McLamore ES. Actuation of chitosan-aptamer nanobrush borders for pathogen sensing. Analyst 2019. [PMID: 29541704 DOI: 10.1039/c7an02039b] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
We demonstrate a sensing mechanism for rapid detection of Listeria monocytogenes in food samples using the actuation of chitosan-aptamer nanobrush borders. The bio-inspired soft material and sensing strategy mimic natural symbiotic systems, where low levels of bacteria are selectively captured from complex matrices. To engineer this biomimetic system, we first develop reduced graphene oxide/nanoplatinum (rGO-nPt) electrodes, and characterize the fundamental electrochemical behavior in the presence and absence of chitosan nanobrushes during actuation (pH-stimulated osmotic swelling). We then characterize the electrochemical behavior of the nanobrush when receptors (antibodies or DNA aptamers) are conjugated to the surface. Finally, we test various techniques to determine the most efficient capture strategy based on nanobrush actuation, and then apply the biosensors in a food product. Maximum cell capture occurs when aptamers conjugated to the nanobrush bind cells in the extended conformation (pH < 6), followed by impedance measurement in the collapsed nanobrush conformation (pH > 6). The aptamer-nanobrush hybrid material was more efficient than the antibody-nanobrush material, which was likely due to the relatively high adsorption capacity for aptamers. The biomimetic material was used to develop a rapid test (17 min) for selectively detecting L. monocytogenes at concentrations ranging from 9 to 107 CFU mL-1 with no pre-concentration, and in the presence of other Gram-positive cells (Listeria innocua and Staphylococcus aureus). Use of this bio-inspired material is among the most efficient for L. monocytogenes sensing to date, and does not require sample pretreatment, making nanobrush borders a promising new material for rapid pathogen detection in food.
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Soni DK, Ahmad R, Dubey SK. Biosensor for the detection of Listeria monocytogenes: emerging trends. Crit Rev Microbiol 2018; 44:590-608. [PMID: 29790396 DOI: 10.1080/1040841x.2018.1473331] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
Abstract
The early detection of Listeria monocytogenes (L. monocytogenes) and understanding the disease burden is of paramount interest. The failure to detect pathogenic bacteria in the food industry may have terrible consequences, and poses deleterious effects on human health. Therefore, integration of methods to detect and trace the route of pathogens along the entire food supply network might facilitate elucidation of the main contamination sources. Recent research interest has been oriented towards the development of rapid and affordable pathogen detection tools/techniques. An innovative and new approach like biosensors has been quite promising in revealing the foodborne pathogens. In spite of the existing knowledge, advanced research is still needed to substantiate the expeditious nature and sensitivity of biosensors for rapid and in situ analysis of foodborne pathogens. This review summarizes recent developments in optical, piezoelectric, cell-based, and electrochemical biosensors for Listeria sp. detection in clinical diagnostics, food analysis, and environmental monitoring, and also lists their drawbacks and advantages.
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Affiliation(s)
- Dharmendra Kumar Soni
- a Department of Botany, Institute of Science , Banaras Hindu University , Varanasi , India
| | - Rafiq Ahmad
- b Sensors Lab, Electrical Engineering Program, Computer, Electrical and Mathematical Science and Engineering Division , King Abdullah University of Science and Technology (KAUST) , Thuwal , Kingdom of Saudi Arabia
| | - Suresh Kumar Dubey
- a Department of Botany, Institute of Science , Banaras Hindu University , Varanasi , India
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16
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Taniguchi M, Saito H, Mitsubayashi K. Repetitive Immunosensor with a Fiber-Optic Device and Antibody-Coated Magnetic Beads for Semi-Continuous Monitoring of Escherichia coli O157:H7. SENSORS (BASEL, SWITZERLAND) 2017; 17:E2145. [PMID: 28925937 PMCID: PMC5621163 DOI: 10.3390/s17092145] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/31/2017] [Revised: 09/12/2017] [Accepted: 09/15/2017] [Indexed: 11/17/2022]
Abstract
A rapid and reproducible fiber-optic immunosensor for Escherichia coli O157:H7 (E. coli O157:H7) was described. The biosensor consisted of a flow cell, an optical fiber with a thin Ni layer, and a PC linked fluorometer. First, the samples with E. coli O157:H7 were incubated with magnetic beads coated with anti-E. coli O157:H7 antibodies and anti-E. coli O157:H7 antibodies labeled cyanine 5 (Cy5) to make sandwich complexes. Then the Cy5-(E. coli O157:H7)-beads were injected into a flow cell and pulled to the magnetized Ni layer on the optical fiber set in the flow cell. An excitation light (λ = 635 nm) was used to illuminate the optical fiber, and the Cy5 florescent molecules facing the optical fiber were exposed to an evanescent wave from the optical fiber. The 670 nm fluorescent light was measured using a photodiode. Finally, the magnetic intensity of the Ni layer was removed and the Cy5-E. coli O157:H7-beads were washed out for the next immunoassay. E. coli O157:H7, diluted with phosphate buffer (PB), was measured from 1 × 10⁵ to 1 × 10⁷ cells/mL. The total time required for an assay was less than 15 min (except for the pretreatment process) and repeating immunoassay on one optical fiber was made possible.
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Affiliation(s)
- Midori Taniguchi
- Department of Biomedical Devices and Instrumentation, Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University, 2-3-10 Kanda-Surugadai, Chiyoda-ku, Tokyo 101-0062, Japan.
| | - Hirokazu Saito
- Department of Mechanical Engineering, Tokyo National College of Technology, 1220-1, Kunugida-machi, Hachioji-shi, Tokyo 193-0997, Japan.
| | - Kohji Mitsubayashi
- Department of Biomedical Devices and Instrumentation, Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University, 2-3-10 Kanda-Surugadai, Chiyoda-ku, Tokyo 101-0062, Japan.
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Colniță A, Dina NE, Leopold N, Vodnar DC, Bogdan D, Porav SA, David L. Characterization and Discrimination of Gram-Positive Bacteria Using Raman Spectroscopy with the Aid of Principal Component Analysis. NANOMATERIALS (BASEL, SWITZERLAND) 2017; 7:E248. [PMID: 28862655 PMCID: PMC5618359 DOI: 10.3390/nano7090248] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/14/2017] [Revised: 08/27/2017] [Accepted: 08/28/2017] [Indexed: 01/29/2023]
Abstract
Raman scattering and its particular effect, surface-enhanced Raman scattering (SERS), are whole-organism fingerprinting spectroscopic techniques that gain more and more popularity in bacterial detection. In this work, two relevant Gram-positive bacteria species, Lactobacillus casei (L. casei) and Listeria monocytogenes (L. monocytogenes) were characterized based on their Raman and SERS spectral fingerprints. The SERS spectra were used to identify the biochemical structures of the bacterial cell wall. Two synthesis methods of the SERS-active nanomaterials were used and the recorded spectra were analyzed. L. casei and L. monocytogenes were successfully discriminated by applying Principal Component Analysis (PCA) to their specific spectral data.
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Affiliation(s)
- Alia Colniță
- National Institute for Research and Development of Isotopic and Molecular Technologies, 67-103 Donat, 400293 Cluj-Napoca, Romania.
| | - Nicoleta Elena Dina
- National Institute for Research and Development of Isotopic and Molecular Technologies, 67-103 Donat, 400293 Cluj-Napoca, Romania.
| | - Nicolae Leopold
- Faculty of Physics, Babeş-Bolyai University, 1 Kogălniceanu, 400084 Cluj-Napoca, Romania.
| | - Dan Cristian Vodnar
- Department of Food Science, University of Agricultural Science and Veterinary Medicine, 3-5 Calea Mănăştur, 400372 Cluj-Napoca, Romania.
| | - Diana Bogdan
- National Institute for Research and Development of Isotopic and Molecular Technologies, 67-103 Donat, 400293 Cluj-Napoca, Romania.
| | - Sebastian Alin Porav
- National Institute for Research and Development of Isotopic and Molecular Technologies, 67-103 Donat, 400293 Cluj-Napoca, Romania.
- Faculty of Biology and Geology, Babeș-Bolyai University, 44 Republicii, 400015 Cluj-Napoca, Romania.
| | - Leontin David
- Faculty of Physics, Babeş-Bolyai University, 1 Kogălniceanu, 400084 Cluj-Napoca, Romania.
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Alahi MEE, Mukhopadhyay SC. Detection Methodologies for Pathogen and Toxins: A Review. SENSORS (BASEL, SWITZERLAND) 2017; 17:E1885. [PMID: 28813028 PMCID: PMC5580025 DOI: 10.3390/s17081885] [Citation(s) in RCA: 88] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/21/2017] [Revised: 08/02/2017] [Accepted: 08/14/2017] [Indexed: 01/10/2023]
Abstract
Pathogen and toxin-contaminated foods and beverages are a major source of illnesses, even death, and have a significant economic impact worldwide. Human health is always under a potential threat, including from biological warfare, due to these dangerous pathogens. The agricultural and food production chain consists of many steps such as harvesting, handling, processing, packaging, storage, distribution, preparation, and consumption. Each step is susceptible to threats of environmental contamination or failure to safeguard the processes. The production process can be controlled in the food and agricultural sector, where smart sensors can play a major role, ensuring greater food quality and safety by low cost, fast, reliable, and profitable methods of detection. Techniques for the detection of pathogens and toxins may vary in cost, size, and specificity, speed of response, sensitivity, and precision. Smart sensors can detect, analyse and quantify at molecular levels contents of different biological origin and ensure quality of foods against spiking with pesticides, fertilizers, dioxin, modified organisms, anti-nutrients, allergens, drugs and so on. This paper reviews different methodologies to detect pathogens and toxins in foods and beverages.
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Affiliation(s)
- Md Eshrat E Alahi
- Department of Engineering, Macquarie University, Sydney, NSW 2109, Australia.
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Cimaglia F, De Lorenzis E, Mezzolla V, Rossi F, Poltronieri P. Detection of <italic>L. Monocytogenes</italic> in Enrichment Cultures by Immunoseparation and Immunosensors. IEEE SENSORS JOURNAL 2016; 16:7045-7052. [DOI: 10.1109/jsen.2016.2598700] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/02/2023]
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20
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Välimaa AL, Tilsala-Timisjärvi A, Virtanen E. Rapid detection and identification methods for Listeria monocytogenes in the food chain – A review. Food Control 2015. [DOI: 10.1016/j.foodcont.2015.02.037] [Citation(s) in RCA: 72] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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21
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Shabani A, Marquette CA, Mandeville R, Lawrence MF. Modern Probe-Assisted Methods for the Specific Detection of Bacteria. ACTA ACUST UNITED AC 2015. [DOI: 10.4236/jbise.2015.82011] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Wang R, Ni Y, Xu Y, Jiang Y, Dong C, Chuan N. Immuno-capture and in situ detection of Salmonella typhimurium on a novel microfluidic chip. Anal Chim Acta 2014; 853:710-717. [PMID: 25467522 DOI: 10.1016/j.aca.2014.10.042] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2014] [Revised: 09/27/2014] [Accepted: 10/24/2014] [Indexed: 11/19/2022]
Abstract
The new method presented in this article achieved the goal of capturing Salmonella typhimurium via immunoreaction and rapid in situ detection of the CdSe/ZnS quantum dots (QDs) labeled S. typhimurium by self-assembly light-emitting diode-induced fluorescence detection (LIF) microsystem on a specially designed multichannel microfluidic chip. CdSe/ZnS QDs were used as fluorescent markers improving detection sensitivity. The microfluidic chip developed in this study was composed of 12 sample channels, 3 mixing zones, and 6 immune reaction zones, which also acted as fluorescence detection zones. QDs-IgG-primary antibody complexes were generated by mixing CdSe/ZnS QDs conjugated secondary antibody (QDs-IgG) and S. typhimurium antibody (primary antibody) in mixing zones. Then, the complexes went into immune reaction zones to label previously captured S. typhimurium in the sandwich mode. The capture rate of S. typhimurium in each detection zone was up to 70%. The enriched QDs-labeled S. typhimurium was detected using a self-assembly LIF microsystem. A good linear relationship was obtained in the range from 3.7×10 to 3.7×10(5) cfu mL(-1) using the equation I=0.1739 log (C)-0.1889 with R(2)=0.9907, and the detection limit was down to 37 cfu mL(-1). The proposed method of online immunolabeling with QDs for in situ fluorescence detection on the designed multichannel microfluidic chip had been successfully used to detect S. typhimurium in pork sample, and it has shown potential advantages in practice.
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Affiliation(s)
- Renjie Wang
- College of Chemistry and Chemical Engineering, Chongqing University, No. 174, St. Shazheng, Shapingba District, Chongqing, China.
| | - Yanan Ni
- College of Chemistry and Chemical Engineering, Chongqing University, No. 174, St. Shazheng, Shapingba District, Chongqing, China.
| | - Yi Xu
- College of Chemistry and Chemical Engineering, Chongqing University, No. 174, St. Shazheng, Shapingba District, Chongqing, China; National Center for International Research of Micro/Nano-System and New Material Technology, No. 174, St. Shazhengjie, Shapingba District, Chongqing, China; Key Laboratory of Fundamental Science of Micro/Nano-Device and System Technology for National Defense, Chongqing, China.
| | - Yan Jiang
- College of Chemistry and Chemical Engineering, Chongqing University, No. 174, St. Shazheng, Shapingba District, Chongqing, China.
| | - Chunyan Dong
- College of Chemistry and Chemical Engineering, Chongqing University, No. 174, St. Shazheng, Shapingba District, Chongqing, China.
| | - Na Chuan
- College of Chemistry and Chemical Engineering, Chongqing University, No. 174, St. Shazheng, Shapingba District, Chongqing, China.
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Gopinath SC, Tang TH, Chen Y, Citartan M, Lakshmipriya T. Bacterial detection: From microscope to smartphone. Biosens Bioelectron 2014; 60:332-42. [DOI: 10.1016/j.bios.2014.04.014] [Citation(s) in RCA: 119] [Impact Index Per Article: 11.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2013] [Revised: 03/13/2014] [Accepted: 04/07/2014] [Indexed: 01/15/2023]
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Abstract
The demand for rapid and accurate diagnosis of plant diseases has risen in the last decade. On-site diagnosis of single or multiple pathogens using portable devices is the first step in this endeavour. Despite extensive attempts to develop portable devices for pathogen detection, current technologies are still restricted to detecting known pathogens with limited detection accuracy. Developing new detection techniques for rapid and accurate detection of multiple plant pathogens and their associated variants is essential. Recent single DNA sequencing technologies are a promising new avenue for developing future portable devices for plant pathogen detection. In this review, we detail the current progress in portable devices and technologies used for detecting plant pathogens, the current position of emerging sequencing technologies for analysis of plant genomics, and the future of portable devices for rapid pathogen diagnosis.
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Affiliation(s)
- Amir Sanati Nezhad
- McGill University and Genome Quebec Innovation Centre, Department of Biomedical Engineering, McGill University, Montreal, Quebec, Canada.
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25
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Kim G, Moon JH, Moh CY, Lim JG. A microfluidic nano-biosensor for the detection of pathogenic Salmonella. Biosens Bioelectron 2014; 67:243-7. [PMID: 25172028 DOI: 10.1016/j.bios.2014.08.023] [Citation(s) in RCA: 123] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2014] [Revised: 07/28/2014] [Accepted: 08/15/2014] [Indexed: 12/01/2022]
Abstract
Rapid detection of pathogenic Salmonella in food products is extremely important for protecting the public from salmonellosis. The objective of the present study was to explore the feasibility of using a microfluidic nano-biosensor to rapidly detect pathogenic Salmonella. Quantum dot nanoparticles were used to detect Salmonella cells. For selective detection of Salmonella, anti-Salmonella polyclonal antibodies were covalently immobilized onto the quantum dot surface. To separate and concentrate the cells from the sample, superparamagnetic particles and a microfluidic chip were used. A portable fluorometer was developed to measure the fluorescence signal from the quantum dot nanoparticles attached to Salmonella in the samples. The sensitivity for detection of pathogenic Salmonella was evaluated using serially diluted Salmonella Typhimurium in borate buffer and chicken extract. The fluorescence response of the nano-biosensor increased with increasing cell concentration. The detection limit of the sensor was 10(3) CFU/mL Salmonella in both borate buffer and food extract.
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Affiliation(s)
- Giyoung Kim
- National Academy of Agricultural Science, Department of Agricultural Engineering, RDA, 150 Suin-Ro, Kweonseonku, Suwon 441-100, Republic of Korea.
| | - Ji-Hea Moon
- National Academy of Agricultural Science, Department of Agricultural Engineering, RDA, 150 Suin-Ro, Kweonseonku, Suwon 441-100, Republic of Korea
| | - Chang-Yeon Moh
- National Academy of Agricultural Science, Department of Agricultural Engineering, RDA, 150 Suin-Ro, Kweonseonku, Suwon 441-100, Republic of Korea
| | - Jong-guk Lim
- National Academy of Agricultural Science, Department of Agricultural Engineering, RDA, 150 Suin-Ro, Kweonseonku, Suwon 441-100, Republic of Korea
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Zhang Z, Hua F, Liu T, Zhao Y, Li J, Yang R, Yang C, Zhou L. A double-taper optical fiber-based radiation wave other than evanescent wave in all-fiber immunofluorescence biosensor for quantitative detection of Escherichia coli O157:H7. PLoS One 2014; 9:e95429. [PMID: 24805354 PMCID: PMC4013131 DOI: 10.1371/journal.pone.0095429] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2013] [Accepted: 03/26/2014] [Indexed: 11/18/2022] Open
Abstract
Cylindrical or taper-and-cylinder combination optical fiber probe based on evanescent wave has been widely used for immunofluorescence biosensor to detect various analytes. In this study, in contrast to the contradiction between penetration depth and analyte diameter of optical fiber probe-based evanescent wave, we demonstrate that double-taper optical fiber used in a radiation wave-based all-fiber immunofluorescence biosensor (RWAIB) can detect micron-scale analytes using Escherichia coli O157:H7 as representative target. Finite-difference time-domain method was used to compare the properties of evanescent wave and radiation wave (RW). Ray-tracing model was formulated to optimize the taper geometry of the probe. Based on a commercial multi-mode fiber, a double-taper probe was fabricated and connected with biosensor through a "ferrule connector" optical fiber connector. The RWAIB configuration was accomplished using commercial multi-mode fibers and fiber-based devices according to the "all-fiber" method. The standard sample tests revealed that the sensitivity of the proposed technique for E. coli O157:H7 detection was 10(3) cfu · mL(-1). Quantitation could be achieved within the concentration range of 10(3) cfu · mL(-1) to 107 cfu · mL(-1). No non-specific recognition to ten kinds of food-borne pathogens was observed. The results demonstrated that based on the double-taper optical fiber RWAIB can be used for the quantitative detection of micron-scale targets, and RW sensing is an alternative for traditional evanescent wave sensing during the fabrication of fiber-optic biosensors.
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Affiliation(s)
- Zhonghuan Zhang
- State Key Laboratory of Precision Measurement Technology and Instrument, Department of Precision Instruments, Tsinghua University, Beijing, P.R. of China
| | - Fei Hua
- Laboratory of Analytical Microbiology, State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing, P.R. of China
- Department of Aetiology, Taishan Medical University, Taian, P.R. of China
| | - Ting Liu
- State Key Laboratory of Precision Measurement Technology and Instrument, Department of Precision Instruments, Tsinghua University, Beijing, P.R. of China
| | - Yong Zhao
- Laboratory of Analytical Microbiology, State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing, P.R. of China
| | - Jun Li
- State Key Laboratory of Precision Measurement Technology and Instrument, Department of Precision Instruments, Tsinghua University, Beijing, P.R. of China
| | - Ruifu Yang
- Laboratory of Analytical Microbiology, State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing, P.R. of China
| | - Changxi Yang
- State Key Laboratory of Precision Measurement Technology and Instrument, Department of Precision Instruments, Tsinghua University, Beijing, P.R. of China
- * E-mail: (CY); (LZ)
| | - Lei Zhou
- Laboratory of Analytical Microbiology, State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing, P.R. of China
- * E-mail: (CY); (LZ)
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Optical biosensors with an integrated Mach-Zehnder Interferometer for detection of Listeria monocytogenes. Biomed Microdevices 2014; 16:509-20. [DOI: 10.1007/s10544-014-9853-5] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Radhakrishnan R, Jahne M, Rogers S, Suni II. Detection ofListeria Monocytogenesby Electrochemical Impedance Spectroscopy. ELECTROANAL 2013. [DOI: 10.1002/elan.201300140] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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30
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Highly specific fiber optic immunosensor coupled with immunomagnetic separation for detection of low levels of Listeria monocytogenes and L. ivanovii. BMC Microbiol 2012; 12:275. [PMID: 23176167 PMCID: PMC3533925 DOI: 10.1186/1471-2180-12-275] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2012] [Accepted: 10/16/2012] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND Immunomagnetic separation (IMS) and immunoassays are widely used for pathogen detection. However, novel technology platforms with highly selective antibodies are essential to improve detection sensitivity, specificity and performance. In this study, monoclonal antibodies (MAbs) against Internalin A (InlA) and p30 were generated and used on paramagnetic beads of varying diameters for concentration, as well as on fiber-optic sensor for detection. RESULTS Anti-InlA MAb-2D12 (IgG2a subclass) was specific for Listeria monocytogenes and L. ivanovii, and p30-specific MAb-3F8 (IgM) was specific for the genus Listeria. At all bacterial concentrations (10³-10⁸ CFU/mL) tested in the IMS assay; the 1-μm diameter MyOne beads had significantly higher capture efficiency (P < 0.05) than the 2.8-μm diameter M-280 beads with both antibodies. The highest capture efficiency for MyOne-2D12 (49.2% for 10⁵ CFU/mL) was significantly higher (P < 0.05) than that of MyOne-3F8 (16.6 %) and Dynabeads anti-Listeria antibody (9 %). Furthermore, capture efficiency for MyOne-2D12 was highly specific for L. monocytogenes and L. ivanovii. Subsequently, we captured L. monocytogenes by MyOne-2D12 and MyOne-3F8 from hotdogs inoculated with mono- or co-cultures of L. monocytogenes and L. innocua (10-40 CFU/g), enriched for 18 h and detected by fiber-optic sensor and confirmed by plating, light-scattering, and qPCR assays. The detection limit for L. monocytogenes and L. ivanovii by the fiber-optic immunosensor was 3 × 10² CFU/mL using MAb-2D12 as capture and reporter antibody. Selective media plating, light-scattering, and qPCR assays confirmed the IMS and fiber-optic results. CONCLUSIONS IMS coupled with a fiber-optic sensor using anti-InlA MAb is highly specific for L. monocytogenes and L. ivanovii and enabled detection of these pathogens at low levels from buffer or food.
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32
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Detection of flagellin by interaction with human recombinant TLR5 immobilized in liposomes. Anal Bioanal Chem 2012. [DOI: 10.1007/s00216-012-6523-4] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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33
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Ohk SH, Bhunia AK. Multiplex fiber optic biosensor for detection of Listeria monocytogenes, Escherichia coli O157:H7 and Salmonella enterica from ready-to-eat meat samples. Food Microbiol 2012. [PMID: 23200648 DOI: 10.1016/j.fm.2012.09.013] [Citation(s) in RCA: 95] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
Listeria monocytogenes, Escherichia coli O157:H7 and Salmonella enterica are the most common foodborne bacterial pathogens and are responsible for many outbreaks. Therefore, multiplex detection of these three using a single assay platform is highly desirable. The objective was to develop and optimize a fiber optic sensor for simultaneous detection of these three from food. The streptavidin coated optical waveguides were immobilized with biotinylated polyclonal antibodies and exposed to the bacterial suspensions or enriched food samples for 2 h. Pathogens were detected after reacting with Alexa-Fluor 647-labeled monoclonal antibodies. Ready-to-eat beef, chicken and turkey meats were inoculated with each pathogen (~100 cfu/25 g), enriched in SEL (Salmonella, E. coli, Listeria), a multipathogen selective enrichment broth for 18 h and tested with the biosensor. The biosensor was able to detect each pathogen, individually or in a mixture with very little cross-reactivity. The limit of detection for the sensor was ~10(3) cfu/ml for all three pathogens. Furthermore, the biosensor successfully detected each pathogen, grown in a mixture from enriched meat samples under 24 h. The pathogen presence was further verified by PCR and immunofluorescence assay. The multiplex fiber optic sensor shows promise for detection of the three pathogens if present in the same sample eliminating the use of multiple single pathogen detection platforms.
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Affiliation(s)
- Seung-Ho Ohk
- Molecular Food Microbiology Laboratory, Department of Food Science, Purdue University, West Lafayette, IN 47907, USA
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Adhikari MD, Panda BR, Vudumula U, Chattopadhyay A, Ramesh A. A facile method for estimating viable bacterial cells in solution based on “subtractive-aggregation” of gold nanoparticles. RSC Adv 2012. [DOI: 10.1039/c1ra01023a] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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Miyajima K, Itabashi G, Koshida T, Tamari K, Takahashi D, Arakawa T, Kudo H, Saito H, Yano K, Shiba K, Mitsubayashi K. Fluorescence immunoassay using an optical fiber for determination of Dermatophagoides farinae (Der f1). ENVIRONMENTAL MONITORING AND ASSESSMENT 2011; 182:233-241. [PMID: 21271355 DOI: 10.1007/s10661-011-1872-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/06/2010] [Accepted: 01/10/2011] [Indexed: 05/30/2023]
Abstract
Immunoassay methods are generally used for measuring of allergenic substances. However, they need special facilities, skilled handling, and time-consuming procedure. In this work, a fiber-optic immunoassay system which could measure allergen by fluorescent intensities of immune complexes formed by allergens and fluorescently labeled antibodies was established. Immune complexes absorbed on the optical fiber probe surface, and excitation light was injected into the probe, then evanescent field is created in the proximity of the probe. The fluorophores were excited by the evanescent light, and fluorescence was detected by a photo diode. The target allergen detected by our system was Der f1 derived from Dermatophagoides farinae that is one of the house dust mite and major source of inhaled allergens. The fluorophore used labeling on detecting antibody was cyanine 5. The system enabled to detect and quantitatively determine of Der f1. The measurement range was from 0.24 to 250 ng/ml, and the result competes with ELISA. The measurement time was 16 min/sample. The immunoassay system was applied to measurement of Der f1 from actual dust samples. Calculated values of Der f1 showed good correlations between the fiber-optic fluoroimmunoassay and ELISA.
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Affiliation(s)
- Kumiko Miyajima
- Department of Advanced Sciences and Technology for Biomedical Sensors, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-ku, Tokyo 113-8549, Japan
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Ohk SH, Koo OK, Sen T, Yamamoto CM, Bhunia AK. Antibody-aptamer functionalized fibre-optic biosensor for specific detection of Listeria monocytogenes from food. J Appl Microbiol 2011; 109:808-17. [PMID: 20337767 DOI: 10.1111/j.1365-2672.2010.04709.x] [Citation(s) in RCA: 127] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
AIM To develop antibody-aptamer functionalized fibre-optic biosensor for specific detection of Listeria monocytogenes from food products. METHODS AND RESULTS Aptamer, a single-stranded oligonucleotide ligand that displays affinity for the target molecule, was used in the assay to provide sensor specificity. Aptamer-A8, specific for internalin A, an invasive protein of L. monocytogenes, was used in the fibre-optic sensor together with antibody in a sandwich format for detection of L. monocytogenes from food. Biotinylated polyclonal anti-Listeria antibody, P66, was immobilized on streptavidin-coated optical waveguide surface for capturing bacteria, and Alexa Fluor 647-conjugated A8 was used as a reporter. The biosensor was able to selectively detect pathogenic Listeria in pure culture and in mixture with other bacteria at a concentration of approx. 10(3) CFU ml(-1). This sensor also successfully detected L. monocytogenes cells from artificially contaminated (initial inoculation of 10(2) CFU 25 g(-1) ) ready-to-eat meat products such as sliced beef, chicken and turkey after 18 h of enrichment. CONCLUSION Based on the data presented in this study, the antibody-aptamer functionalized fibre-optic biosensor could be used as a detection tool for sensitive and specific detection of L. monocytogenes from foods. SIGNIFICANCE AND IMPACT OF THE STUDY The study demonstrates feasibility and novel application of aptamer on fibre-optic biosensor platform for the sensitive detection of L. monocytogenes from food products.
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Affiliation(s)
- S H Ohk
- Molecular Food Microbiology Laboratory, Department of Food Science, Purdue University, West Lafayette, IN 47907-2009, USA
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Narsaiah K, Jha SN. Nondestructive methods for quality evaluation of livestock products. Journal of Food Science and Technology 2011; 49:342-8. [PMID: 23729854 DOI: 10.1007/s13197-011-0286-3] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Revised: 08/08/2010] [Accepted: 08/10/2010] [Indexed: 10/18/2022]
Abstract
The muscles derived from livestock are highly perishable. Rapid and nondestructive methods are essential for quality assurance of such products. Potential nondestructive methods, which can supplement or replace many of traditional time consuming destructive methods, include colour and computer image analysis, NIR spectroscopy, NMRI, electronic nose, ultrasound, X-ray imaging and biosensors. These methods are briefly described and the research work involving them for products derived from livestock is reviewed. These methods will be helpful in rapid screening of large number of samples, monitoring distribution networks, quick product recall and enhance traceability in the value chain of livestock products. With new developments in the areas of basic science related to these methods, colour, image processing, NIR spectroscopy, biosensors and ultrasonic analysis are expected to be widespread and cost effective for large scale meat quality evaluation in near future.
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Affiliation(s)
- K Narsaiah
- Agricultural Structures and Environmental Control Division, Central Institute of Postharvest Engineering and Technology, Ludhiana, 141004 Punjab India
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Gehring AG, Tu SI. High-throughput biosensors for multiplexed food-borne pathogen detection. ANNUAL REVIEW OF ANALYTICAL CHEMISTRY (PALO ALTO, CALIF.) 2011; 4:151-172. [PMID: 21689045 DOI: 10.1146/annurev-anchem-061010-114010] [Citation(s) in RCA: 46] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
Incidental contamination of foods by pathogenic bacteria and/or their toxins is a serious threat to public health and the global economy. The presence of food-borne pathogens and toxins must be rapidly determined at various stages of food production, processing, and distribution. Producers, processors, regulators, retailers, and public health professionals need simple and cost-effective methods to detect different species or serotypes of bacteria and associated toxins in large numbers of food samples. This review addresses the desire to replace traditional microbiological plate culture with more timely and less cumbersome rapid, biosensor-based methods. Emphasis focuses on high-throughput, multiplexed techniques that allow for simultaneous testing of numerous samples, in rapid succession, for multiple food-borne analytes (primarily pathogenic bacteria and/or toxins).
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Affiliation(s)
- Andrew G Gehring
- Agricultural Research Service, U.S. Department of Agriculture, Wyndmoor, Pennsylvania 19038, USA
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Response to Questions Posed by the Food Safety and Inspection Service Regarding Determination of the Most Appropriate Technologies for the Food Safety and Inspection Service To Adopt in Performing Routine and Baseline Microbiological Analyses†,‡. J Food Prot 2010; 73:1160-200. [DOI: 10.4315/0362-028x-73.6.1160] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
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Gulii OI, Matora LY, Burygin GL, Dykman LA, Ignatov VV, Ignatov OV. Electrooptical properties of the microbial suspensions during a cell’s interaction with the antibodies of a different specificity. APPL BIOCHEM MICRO+ 2010. [DOI: 10.1134/s0003683810010102] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Valadez AM, Lana CA, Tu SI, Morgan MT, Bhunia AK. Evanescent wave fiber optic biosensor for salmonella detection in food. SENSORS 2009; 9:5810-24. [PMID: 22346728 PMCID: PMC3274134 DOI: 10.3390/s90705810] [Citation(s) in RCA: 60] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/08/2009] [Revised: 07/15/2009] [Accepted: 07/17/2009] [Indexed: 11/17/2022]
Abstract
Salmonella enterica is a major food-borne pathogen of world-wide concern. Sensitive and rapid detection methods to assess product safety before retail distribution are highly desirable. Since Salmonella is most commonly associated with poultry products, an evanescent wave fiber-optic assay was developed to detect Salmonella in shell egg and chicken breast and data were compared with a time-resolved fluorescence (TRF) assay. Anti-Salmonella polyclonal antibody was immobilized onto the surface of an optical fiber using biotin-avidin interactions to capture Salmonella. Alexa Fluor 647-conjugated antibody (MAb 2F-11) was used as the reporter. Detection occurred when an evanescent wave from a laser (635 nm) excited the Alexa Fluor and the fluorescence was measured by a laser-spectrofluorometer at 710 nm. The biosensor was specific for Salmonella and the limit of detection was established to be 103 cfu/mL in pure culture and 104 cfu/mL with egg and chicken breast samples when spiked with 102 cfu/mL after 2–6 h of enrichment. The results indicate that the performance of the fiber-optic sensor is comparable to TRF, and can be completed in less than 8 h, providing an alternative to the current detection methods.
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Affiliation(s)
- Angela M. Valadez
- Molecular Food Microbiology Laboratory, Department of Food Science, Purdue University, 745 Agriculture Mall Drive, West Lafayette, Indiana 47907, USA; E-Mails: (A.M.V); (M.T.M)
| | - Carlos A. Lana
- School of Aeronautics & Astronautics, Purdue University, 701 W. Stadium Ave., West Lafayette, Indiana 47907, USA; E-Mail: (C.A.L.)
| | - Shu-I Tu
- United States Department of Agriculture, Agricultural Research Service, Eastern Regional Research Center, 600 E. Mermaid Lane, Wyndmoor, Pennsylvania 19038, USA; E-Mail: (S.I.T.)
| | - Mark T. Morgan
- Molecular Food Microbiology Laboratory, Department of Food Science, Purdue University, 745 Agriculture Mall Drive, West Lafayette, Indiana 47907, USA; E-Mails: (A.M.V); (M.T.M)
| | - Arun K. Bhunia
- Molecular Food Microbiology Laboratory, Department of Food Science, Purdue University, 745 Agriculture Mall Drive, West Lafayette, Indiana 47907, USA; E-Mails: (A.M.V); (M.T.M)
- Author to whom correspondence should be addressed; E-Mail: ; Tel.: 1-765-494-5443; Fax: +1-765-494-7953
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Koo OK, Liu Y, Shuaib S, Bhattacharya S, Ladisch MR, Bashir R, Bhunia AK. Targeted Capture of Pathogenic Bacteria Using a Mammalian Cell Receptor Coupled with Dielectrophoresis on a Biochip. Anal Chem 2009; 81:3094-101. [DOI: 10.1021/ac9000833] [Citation(s) in RCA: 58] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Ok Kyung Koo
- Molecular Food Microbiology Laboratory, Department of Food Science, and School of Computer and Electrical Engineering, Purdue University, West Lafayette, Indiana 47907, Micro and Nanotechnology Laboratory, Department of Electrical and Computer Engineering & Bioengineering, University of Illinois at Urbana−Champaign, Urbana, Illinois 61801, Department of Mechanical Engineering, Indian Institute of Technology, Kanpur, India, and Department of Agricultural and Biological Engineering, and Weldon School of
| | - YiShao Liu
- Molecular Food Microbiology Laboratory, Department of Food Science, and School of Computer and Electrical Engineering, Purdue University, West Lafayette, Indiana 47907, Micro and Nanotechnology Laboratory, Department of Electrical and Computer Engineering & Bioengineering, University of Illinois at Urbana−Champaign, Urbana, Illinois 61801, Department of Mechanical Engineering, Indian Institute of Technology, Kanpur, India, and Department of Agricultural and Biological Engineering, and Weldon School of
| | - Salamat Shuaib
- Molecular Food Microbiology Laboratory, Department of Food Science, and School of Computer and Electrical Engineering, Purdue University, West Lafayette, Indiana 47907, Micro and Nanotechnology Laboratory, Department of Electrical and Computer Engineering & Bioengineering, University of Illinois at Urbana−Champaign, Urbana, Illinois 61801, Department of Mechanical Engineering, Indian Institute of Technology, Kanpur, India, and Department of Agricultural and Biological Engineering, and Weldon School of
| | - Shantanu Bhattacharya
- Molecular Food Microbiology Laboratory, Department of Food Science, and School of Computer and Electrical Engineering, Purdue University, West Lafayette, Indiana 47907, Micro and Nanotechnology Laboratory, Department of Electrical and Computer Engineering & Bioengineering, University of Illinois at Urbana−Champaign, Urbana, Illinois 61801, Department of Mechanical Engineering, Indian Institute of Technology, Kanpur, India, and Department of Agricultural and Biological Engineering, and Weldon School of
| | - Michael R. Ladisch
- Molecular Food Microbiology Laboratory, Department of Food Science, and School of Computer and Electrical Engineering, Purdue University, West Lafayette, Indiana 47907, Micro and Nanotechnology Laboratory, Department of Electrical and Computer Engineering & Bioengineering, University of Illinois at Urbana−Champaign, Urbana, Illinois 61801, Department of Mechanical Engineering, Indian Institute of Technology, Kanpur, India, and Department of Agricultural and Biological Engineering, and Weldon School of
| | - Rashid Bashir
- Molecular Food Microbiology Laboratory, Department of Food Science, and School of Computer and Electrical Engineering, Purdue University, West Lafayette, Indiana 47907, Micro and Nanotechnology Laboratory, Department of Electrical and Computer Engineering & Bioengineering, University of Illinois at Urbana−Champaign, Urbana, Illinois 61801, Department of Mechanical Engineering, Indian Institute of Technology, Kanpur, India, and Department of Agricultural and Biological Engineering, and Weldon School of
| | - Arun K. Bhunia
- Molecular Food Microbiology Laboratory, Department of Food Science, and School of Computer and Electrical Engineering, Purdue University, West Lafayette, Indiana 47907, Micro and Nanotechnology Laboratory, Department of Electrical and Computer Engineering & Bioengineering, University of Illinois at Urbana−Champaign, Urbana, Illinois 61801, Department of Mechanical Engineering, Indian Institute of Technology, Kanpur, India, and Department of Agricultural and Biological Engineering, and Weldon School of
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Conroy PJ, Hearty S, Leonard P, O’Kennedy RJ. Antibody production, design and use for biosensor-based applications. Semin Cell Dev Biol 2009; 20:10-26. [DOI: 10.1016/j.semcdb.2009.01.010] [Citation(s) in RCA: 172] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2008] [Accepted: 01/23/2009] [Indexed: 01/29/2023]
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Panda BR, Singh AK, Ramesh A, Chattopadhyay A. Rapid estimation of bacteria by a fluorescent gold nanoparticle-polythiophene composite. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2008; 24:11995-2000. [PMID: 18816019 DOI: 10.1021/la802171b] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/19/2023]
Abstract
Herein we present a facile method for rapid quantitation of bacterial cells over several logarithmic dilutions. The quantitation is based on loss of the fluorescence intensity of a positively charged Au nanoparticle-polythiophene composite in the presence of bacterial cells. The present method allowed estimation of both Gram-positive and Gram-negative bacteria with cells as low as 1000. Transmission electron microscopic investigations revealed attachment of the composite with bacteria with no discernible change in the morphology of the cells. Further, dynamic light scattering experiments indicated preferential attachment of smaller composite particles over larger ones, which were also attached at higher bacterial concentrations. The ease of operation with minimal sample manipulation steps, high sensitivity, quantitative detection, and its generality offer specific advantages over conventional methods.
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Affiliation(s)
- Biswa Ranjan Panda
- Department of Chemistry, and Centre for Nanotechnology, Indian Institute of Technology Guwahati, Guwahati 781 039, Assam, India
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Wang R, Dong W, Ruan C, Kanayeva D, Tian R, Lassiter K, Li Y. TiO2 nanowire bundle microelectrode based impedance immunosensor for rapid and sensitive detection of Listeria monocytogenes. NANO LETTERS 2008; 8:2625-31. [PMID: 18715043 DOI: 10.1021/nl080366q] [Citation(s) in RCA: 68] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/18/2023]
Abstract
A novel TiO 2 nanowire bundle microelectrode based immunosensor was demonstrated as a more sensitive, specific, and rapid technology for detection of Listeria monocytogenes. TiO 2 nanowire bundle was prepared through a hydrothermal reaction of alkali with TiO 2 powder and connected to gold microelectrodes with mask welding. Monoclonal antibodies were immobilized on the surface of a TiO 2 nanowire bundle to specifically capture L. monocytogenes. Impedance change caused by the nanowire-antibody-bacteria complex was measured and correlated to bacterial number. This nanowire bundle based immunosensor could detect as low as 10 (2) cfu/ml of L. monocytogenes in 1 h without significant interference from other foodborne pathogens.
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Affiliation(s)
- Ronghui Wang
- Department of Biological and Agricultural Engineering, Cell and Molecular Biology Program, Center of Excellence for Poultry Science, University of Arkansas, Fayetteville, Arkansas 72701, USA
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Shim WB, Choi JG, Kim JY, Yang ZY, Lee KH, Kim MG, Ha SD, Kim KS, Kim KY, Kim CH, Eremin SA, Chung DH. Enhanced rapidity for qualitative detection of Listeria monocytogenes using an enzyme-linked immunosorbent assay and immunochromatography strip test combined with immunomagnetic bead separation. J Food Prot 2008; 71:781-9. [PMID: 18468033 DOI: 10.4315/0362-028x-71.4.781] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
An enzyme-linked immunosorbent assay (ELISA), immunochromatography (ICG) strip test, and immunomagnetic bead separation (IMBS) system based on a monoclonal antibody were individually developed for the detection and isolation of Listeria monocytogenes in meat samples. The three methods showed a strong reaction with Listeria species and a weak reaction with Staphylococcus aureus. To increase the rapidity of L. monocytogenes detection, combinations of the ELISA and ICG strip test with the IMBS system (ELISA-IMBS and ICG-IMBS) were investigated. In comparative analyses of artificially inoculated meat and samples of processed meat, the ELISA and ICG strip test required 24 h of enrichment time to detect the inoculated meat samples with > or =1 X 10(2) CFU/10 g, whereas the ELISA-IMBS and ICG-IMBS required only 14 h of enrichment. Analyses of naturally contaminated meat samples (30 pork samples, 20 beef samples, 26 chicken samples, 20 fish samples, and 20 processed meat samples) performed by ELISA-IMBS, ICG-IMBS, and API kit produced similar results. The ELISA-IMBS and ICG-IMBS provide a more rapid assay than the individual ELISA and the ICG strip test and are appropriate for rapid and qualitative detection of L. monocytogenes (or Listeria species) in meat samples. With the ICG-IMBS, L. monocytogenes could be detected in meat samples within 15 h and the method has potential as a rapid, cost-effective on-site screening tool for the detection of L. monocytogenes in food samples and agricultural products at a minimum detection level of approximately 100 CFU/10 g.
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Affiliation(s)
- Won-Bo Shim
- Division of Applied Life Science (Brain Korea 21 program), Graduate School of Gyeongsang National University, Chinju, Gyeongnam 660-701, Korea
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Cy5 labeled antimicrobial peptides for enhanced detection of Escherichia coli O157:H7. Biosens Bioelectron 2008; 23:1721-7. [PMID: 18378438 DOI: 10.1016/j.bios.2008.02.005] [Citation(s) in RCA: 51] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2007] [Revised: 01/26/2008] [Accepted: 02/06/2008] [Indexed: 11/23/2022]
Abstract
Fluorescently labeled antimicrobial peptides were evaluated as a potential replacement of labeled antibodies in a sandwich assay for the detection of Escherichia coli O157:H7. Antimicrobial peptides naturally bind to the lipopolysaccharide component of bacterial cell walls as part of their mode of action. Because of their small size relative to antibodies peptides can bind to cell surfaces with greater density, thereby increasing the optical signal and improving sensitivity. This method combines the specificity of a capture antibody with the increased sensitivity provided by using a labeled peptide as a detection molecule. The antimicrobial peptides cecropin P1, SMAP29, and PGQ were labeled with the fluorescent dye Cy5 via maleimide linker chemistry. Preliminary screening using a whole-cell solution binding assay revealed that Cy5 cecropin P1 enhanced the detection of E. coli O157:H7 relative to a Cy5 labeled anti-E. coli O157:H7 antibody 10-fold. Detection sensitivity of antibody and peptide were also compared with a prototype immuno-magnetic bead biosensor. Detection using Cy5 cecropin P1 resulted in a 10-fold improvement in sensitivity. Correlation of peptide antimicrobial activity with detection of E. coli O157:H7 indicated that activity was not predictive of the sensitivity of the fluorescent assay.
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Biosensors and bio-based methods for the separation and detection of foodborne pathogens. ADVANCES IN FOOD AND NUTRITION RESEARCH 2008; 54:1-44. [PMID: 18291303 DOI: 10.1016/s1043-4526(07)00001-0] [Citation(s) in RCA: 68] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
The safety of our food supply is always a major concern to consumers, food producers, and regulatory agencies. A safer food supply improves consumer confidence and brings economic stability. The safety of foods from farm-to-fork through the supply chain continuum must be established to protect consumers from debilitating, sometimes fatal episodes of pathogen outbreaks. The implementation of preventive strategies like hazard analysis critical control points (HACCP) assures safety but its full utility will not be realized unless supportive tools are fully developed. Rapid, sensitive, and accurate detection methods are such essential tools that, when integrated with HACCP, will improve safety of products. Traditional microbiological methods are powerful, error-proof, and dependable but these lengthy, cumbersome methods are often ineffective because they are not compatible with the speed at which the products are manufactured and the short shelf life of products. Automation in detection methods is highly desirable, but is not achievable with traditional methods. Therefore, biosensor-based tools offer the most promising solutions and address some of the modern-day needs for fast and sensitive detection of pathogens in real time or near real time. The application of several biosensor tools belonging to the categories of optical, electrochemical, and mass-based tools for detection of foodborne pathogens is reviewed in this chapter. Ironically, geometric growth in biosensor technology is fueled by the imminent threat of bioterrorism through food, water, and air and by the funding through various governmental agencies.
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