1
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Tamura A, Azam AH, Nakamura T, Lee K, Iyoda S, Kondo K, Ojima S, Chihara K, Yamashita W, Cui L, Akeda Y, Watashi K, Takahashi Y, Yotsuyanagi H, Kiga K. Synthetic phage-based approach for sensitive and specific detection of Escherichia coli O157. Commun Biol 2024; 7:535. [PMID: 38710842 DOI: 10.1038/s42003-024-06247-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2023] [Accepted: 04/25/2024] [Indexed: 05/08/2024] Open
Abstract
Escherichia coli O157 can cause foodborne outbreaks, with infection leading to severe disease such as hemolytic-uremic syndrome. Although phage-based detection methods for E. coli O157 are being explored, research on their specificity with clinical isolates is lacking. Here, we describe an in vitro assembly-based synthesis of vB_Eco4M-7, an O157 antigen-specific phage with a 68-kb genome, and its use as a proof of concept for E. coli O157 detection. Linking the detection tag to the C-terminus of the tail fiber protein, gp27 produces the greatest detection sensitivity of the 20 insertions sites tested. The constructed phage detects all 53 diverse clinical isolates of E. coli O157, clearly distinguishing them from 35 clinical isolates of non-O157 Shiga toxin-producing E. coli. Our efficient phage synthesis methods can be applied to other pathogenic bacteria for a variety of applications, including phage-based detection and phage therapy.
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Affiliation(s)
- Azumi Tamura
- Research Center for Drug and Vaccine Development, National Institute of Infectious Diseases, Shinjuku-ku, Tokyo, Japan
- Division of Infectious Diseases, Advanced Clinical Research Center, The Institute of Medical Science, The University of Tokyo, Minato-ku, Tokyo, Japan
| | - Aa Haeruman Azam
- Research Center for Drug and Vaccine Development, National Institute of Infectious Diseases, Shinjuku-ku, Tokyo, Japan
| | - Tomohiro Nakamura
- Research Center for Drug and Vaccine Development, National Institute of Infectious Diseases, Shinjuku-ku, Tokyo, Japan
| | - Kenichi Lee
- Department of Bacteriology I, National Institute of Infectious Diseases, Shinjuku-ku, Tokyo, Japan
| | - Sunao Iyoda
- Department of Bacteriology I, National Institute of Infectious Diseases, Shinjuku-ku, Tokyo, Japan
| | - Kohei Kondo
- Research Center for Drug and Vaccine Development, National Institute of Infectious Diseases, Shinjuku-ku, Tokyo, Japan
| | - Shinjiro Ojima
- Research Center for Drug and Vaccine Development, National Institute of Infectious Diseases, Shinjuku-ku, Tokyo, Japan
| | - Kotaro Chihara
- Research Center for Drug and Vaccine Development, National Institute of Infectious Diseases, Shinjuku-ku, Tokyo, Japan
| | - Wakana Yamashita
- Research Center for Drug and Vaccine Development, National Institute of Infectious Diseases, Shinjuku-ku, Tokyo, Japan
- Department of Life Science and Medical Bioscience, Waseda University, Shinjuku-ku, Tokyo, Japan
| | - Longzhu Cui
- Division of Bacteriology, Department of Infection and Immunity, School of Medicine, Jichi Medical University, Shimotsuke-shi, Tochigi, Japan
| | - Yukihiro Akeda
- Department of Bacteriology I, National Institute of Infectious Diseases, Shinjuku-ku, Tokyo, Japan
| | - Koichi Watashi
- Research Center for Drug and Vaccine Development, National Institute of Infectious Diseases, Shinjuku-ku, Tokyo, Japan
| | - Yoshimasa Takahashi
- Research Center for Drug and Vaccine Development, National Institute of Infectious Diseases, Shinjuku-ku, Tokyo, Japan
- Department of Life Science and Medical Bioscience, Waseda University, Shinjuku-ku, Tokyo, Japan
| | - Hiroshi Yotsuyanagi
- Division of Infectious Diseases, Advanced Clinical Research Center, The Institute of Medical Science, The University of Tokyo, Minato-ku, Tokyo, Japan
| | - Kotaro Kiga
- Research Center for Drug and Vaccine Development, National Institute of Infectious Diseases, Shinjuku-ku, Tokyo, Japan.
- Division of Bacteriology, Department of Infection and Immunity, School of Medicine, Jichi Medical University, Shimotsuke-shi, Tochigi, Japan.
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2
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Carmody CM, Nugen SR. Monomeric streptavidin phage display allows efficient immobilization of bacteriophages on magnetic particles for the capture, separation, and detection of bacteria. Sci Rep 2023; 13:16207. [PMID: 37758721 PMCID: PMC10533843 DOI: 10.1038/s41598-023-42626-9] [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: 02/21/2023] [Accepted: 09/12/2023] [Indexed: 09/29/2023] Open
Abstract
Immobilization of bacteriophages onto solid supports such as magnetic particles has demonstrated ultralow detection limits as biosensors for the separation and detection of their host bacteria. While the potential impact of magnetized phages is high, the current methods of immobilization are either weak, costly, inefficient, or laborious making them less viable for commercialization. In order to bridge this gap, we have developed a highly efficient, site-specific, and low-cost method to immobilize bacteriophages onto solid supports. While streptavidin-biotin represents an ideal conjugation method, the functionalization of magnetic particles with streptavidin requires square meters of coverage and therefore is not amenable to a low-cost assay. Here, we genetically engineered bacteriophages to allow synthesis of a monomeric streptavidin during infection of the bacterial host. The monomeric streptavidin was fused to a capsid protein (Hoc) to allow site-specific self-assembly of up to 155 fusion proteins per capsid. Biotin coated magnetic nanoparticles were functionalized with mSA-Hoc T4 phage demonstrated in an E. coli detection assay with a limit of detection of < 10 CFU in 100 mLs of water. This work highlights the creation of genetically modified bacteriophages with a novel capsid modification, expanding the potential for bacteriophage functionalized biotechnologies.
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Affiliation(s)
- Caitlin M Carmody
- Department of Food Science, Cornell University, Ithaca, NY, 14853, USA
| | - Sam R Nugen
- Department of Food Science, Cornell University, Ithaca, NY, 14853, USA.
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3
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Al-Hindi RR, Teklemariam AD, Alharbi MG, Alotibi I, Azhari SA, Qadri I, Alamri T, Harakeh S, Applegate BM, Bhunia AK. Bacteriophage-Based Biosensors: A Platform for Detection of Foodborne Bacterial Pathogens from Food and Environment. BIOSENSORS 2022; 12:bios12100905. [PMID: 36291042 PMCID: PMC9599427 DOI: 10.3390/bios12100905] [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: 09/20/2022] [Revised: 10/15/2022] [Accepted: 10/18/2022] [Indexed: 05/27/2023]
Abstract
Foodborne microorganisms are an important cause of human illness worldwide. Two-thirds of human foodborne diseases are caused by bacterial pathogens throughout the globe, especially in developing nations. Despite enormous developments in conventional foodborne pathogen detection methods, progress is limited by the assay complexity and a prolonged time-to-result. The specificity and sensitivity of assays for live pathogen detection may also depend on the nature of the samples being analyzed and the immunological or molecular reagents used. Bacteriophage-based biosensors offer several benefits, including specificity to their host organism, the detection of only live pathogens, and resistance to extreme environmental factors such as organic solvents, high temperatures, and a wide pH range. Phage-based biosensors are receiving increasing attention owing to their high degree of accuracy, specificity, and reduced assay times. These characteristics, coupled with their abundant supply, make phages a novel bio-recognition molecule in assay development, including biosensors for the detection of foodborne bacterial pathogens to ensure food safety. This review provides comprehensive information about the different types of phage-based biosensor platforms, such as magnetoelastic sensors, quartz crystal microbalance, and electrochemical and surface plasmon resonance for the detection of several foodborne bacterial pathogens from various representative food matrices and environmental samples.
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Affiliation(s)
- Rashad R. Al-Hindi
- Department of Biological Sciences, Faculty of Science, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Addisu D. Teklemariam
- Department of Biological Sciences, Faculty of Science, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Mona G. Alharbi
- Department of Biological Sciences, Faculty of Science, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Ibrahim Alotibi
- Health Information Technology Department, Applied College, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Sheren A. Azhari
- Department of Biological Sciences, Faculty of Science, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Ishtiaq Qadri
- Department of Biological Sciences, Faculty of Science, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Turki Alamri
- Family and Community Medicine Department, Faculty of Medicine in Rabigh, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Steve Harakeh
- King Fahd Medical Research Center, Yousef Abdullatif Jameel Chair of Prophetic Medicine Application, Faculty of Medicine, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Bruce M. Applegate
- Department of Food Science, Purdue University, West Lafayette, IN 47907, USA
- Interdisciplinary Life Science Program (PULSe), Purdue University, West Lafayette, IN 47907, USA
| | - Arun K. Bhunia
- Department of Food Science, Purdue University, West Lafayette, IN 47907, USA
- Purdue Institute of Inflammation, Immunology and Infectious Disease, Purdue University, West Lafayette, IN 47907, USA
- Interdisciplinary Life Science Program (PULSe), Purdue University, West Lafayette, IN 47907, USA
- Department of Comparative Pathobiology, Purdue University, West Lafayette, IN 47907, USA
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4
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Bakhshandeh B, Sorboni SG, Haghighi DM, Ahmadi F, Dehghani Z, Badiei A. New analytical methods using carbon-based nanomaterials for detection of Salmonella species as a major food poisoning organism in water and soil resources. CHEMOSPHERE 2022; 287:132243. [PMID: 34537453 DOI: 10.1016/j.chemosphere.2021.132243] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/09/2021] [Revised: 08/21/2021] [Accepted: 09/11/2021] [Indexed: 06/13/2023]
Abstract
Salmonella is one of the most prevalent causing agents of food- and water-borne illnesses, posing an ongoing public health threat. These food-poisoning bacteria contaminate the resources at different stages such as production, aggregation, processing, distribution, as well as marketing. According to the high incidence of salmonellosis, effective strategies for early-stage detection are required at the highest priority. Since traditional culture-dependent methods and polymerase chain reaction are labor-intensive and time-taking, identification of early and accurate detection of Salmonella in food and water samples can prevent significant health economic burden and lessen the costs. The immense potentiality of biosensors in diagnosis, such as simplicity in operation, the ability of multiplex analysis, high sensitivity, and specificity, have driven research in the evolution of nanotechnology, innovating newer biosensors. Carbon nanomaterials enhance the detection sensitivity of biosensors while obtaining low levels of detection limits due to their possibility to immobilize huge amounts of bioreceptor units at insignificant volume. Moreover, conjugation and functionalization of carbon nanomaterials with metallic nanoparticles or organic molecules enables surface functional groups. According to these remarkable properties, carbon nanomaterials are widely exploited in the development of novel biosensors. To be specific, carbon nanomaterials such as carbon nanotubes, graphene and fullerenes function as transducers in the analyte recognition process or surface immobilizers for biomolecules. Herein the potential application of carbon nanomaterials in the development of novel Salmonella biosensors platforms is reviewed comprehensively. In addition, the current problems and critical analyses of the future perspectives of Salmonella biosensors are discussed.
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Affiliation(s)
- Behnaz Bakhshandeh
- Department of Biotechnology, College of Science, University of Tehran, Tehran, Iran; Department of Microbiology, Faculty of Biology, College of Science, University of Tehran, Tehran, Iran.
| | | | - Dorrin Mohtadi Haghighi
- Department of Pharmaceutics, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
| | - Fatemeh Ahmadi
- Department of Biotechnology, College of Science, University of Tehran, Tehran, Iran
| | - Zahra Dehghani
- Department of Cellular and Molecular Biology, School of Biology, College of Science, University of Tehran, Tehran, Iran
| | - Alireza Badiei
- School of Chemistry, College of Science, University of Tehran, Tehran, Iran
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5
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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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6
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Multiplexed detection of bacterial pathogens based on a cocktail of dual-modified phages. Anal Chim Acta 2021; 1166:338596. [PMID: 34023003 DOI: 10.1016/j.aca.2021.338596] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2021] [Revised: 04/22/2021] [Accepted: 04/27/2021] [Indexed: 11/19/2022]
Abstract
Rapid, quantitative, and sensitive assays for the multiplexed detection of bacterial pathogens are urgently needed for public health. Here, we report the generation of dual-modified phage sensors for the simultaneous detection of multiple pathogenic bacteria. The M13KE phage was dual modified to display the targeting peptide on the minor coat protein pIII (∼5 copies) and the streptavidin-binding (StrB) peptide on the major coat protein pVIII (∼2700 copies). The targeting peptide specifically recognizes the target bacteria, and the StrB peptide acts as the efficient signal amplification and transduction unit upon binding with fluorescently tagged streptavidin. The bright fluorescence emitted from individual target bacteria can be clearly distinguished from the background via both the flow cytometry and fluorescence microscopy. Three different dual-modified phages targeting E. coli O157:H7, Salmonella Typhimurium, and Pseudomonas aeruginosa were constructed, and high specificity was verified via a large excess of other non-target bacteria. Using a 40 mL sample volume, the target bacteria detection limit was approximately 102 cells/mL via flow cytometry measurement in the presence of other non-target bacteria. By combining these three dual-modified phages into a cocktail, simultaneous detection and quantification of three target bacterial pathogens was demonstrated with good linearity. The strategy of constructing dual-modified phage represents a promising tool in the detection of bacterial pathogens.
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7
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Abstract
Delivery of therapeutic compounds to the site of action is crucial. While many chemical substances such as beta-lactam antibiotics can reach therapeutic levels in most parts throughout the human body after administration, substances of higher molecular weight such as therapeutic proteins may not be able to reach the site of action (e.g. an infection), and are therefore ineffective. In the case of therapeutic phages, i.e. viruses that infect microbes that can be used to treat bacterial infections, this problem is exacerbated; not only are phages unable to penetrate tissues, but phage particles can be cleared by the immune system and phage proteins are rapidly degraded by enzymes or inactivated by the low pH in the stomach. Yet, the use of therapeutic phages is a highly promising strategy, in particular for infections caused by bacteria that exhibit multi-drug resistance. Clinicians increasingly encounter situations where no treatment options remain available for such infections, where antibiotic compounds are ineffective. While the number of drug-resistant pathogens continues to rise due to the overuse and misuse of antibiotics, no new compounds are becoming available as many pharmaceutical companies discontinue their search for chemical antimicrobials. In recent years, phage therapy has undergone massive innovation for the treatment of infections caused by pathogens resistant to conventional antibiotics. While most therapeutic applications of phages are well described in the literature, other aspects of phage therapy are less well documented. In this review, we focus on the issues that are critical for phage therapy to become a reliable standard therapy and describe methods for efficient and targeted delivery of phages, including their encapsulation.
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8
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Zurier HS, Duong MM, Goddard JM, Nugen SR. Engineering Biorthogonal Phage-Based Nanobots for Ultrasensitive, In Situ Bacteria Detection. ACS APPLIED BIO MATERIALS 2020; 3:5824-5831. [PMID: 34179727 DOI: 10.1021/acsabm.0c00546] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Advances in synthetic biology, nanotechnology, and genetic engineering are allowing parallel advances in areas such as drug delivery and rapid diagnostics. Although our current visions of nanobots may be far off, a generation of nanobots synthesized by engineering viruses is approaching. Such tools can be used to solve complex problems where current methods do not meet current demands. Assuring safe drinking water is crucial for minimizing the spread of waterborne illnesses. Although extremely low levels of fecal contamination in drinking water are sufficient to cause a public health risk, it remains challenging to rapidly detect Escherichia coli, the standard fecal indicator organism. Current methods sensitive enough to meet regulatory standards suffer from either prohibitively long incubation times or requirement of expensive, impractical equipment. Bacteriophages, tuned by billions of years of evolution to bind viable bacteria and readily engineered to produce custom proteins, are uniquely suited to bacterial detection. We have developed a biosensor platform based on magnetized phages encoding luminescent reporter enzymes. This system utilizes bio-orthogonally functionalized phages to enable site-specific conjugation to magnetic nanoparticles. The resulting phage-based nanobots, when combined with standard, portable field equipment, allow for detection of <10 cfu/100 mL of viable E. coli within 7 h, faster than any methods published to date.
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Affiliation(s)
- Hannah S Zurier
- Department of Food Science and Technology, Cornell University, Ithaca, New York 14853, United States
| | - Michelle M Duong
- Department of Food Science and Technology, Cornell University, Ithaca, New York 14853, United States
| | - Julie M Goddard
- Department of Food Science and Technology, Cornell University, Ithaca, New York 14853, United States
| | - Sam R Nugen
- Department of Food Science and Technology, Cornell University, Ithaca, New York 14853, United States
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9
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Engineered Reporter Phages for Rapid Bioluminescence-Based Detection and Differentiation of Viable Listeria Cells. Appl Environ Microbiol 2020; 86:AEM.00442-20. [PMID: 32245761 PMCID: PMC7237785 DOI: 10.1128/aem.00442-20] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2020] [Accepted: 03/19/2020] [Indexed: 12/22/2022] Open
Abstract
The pathogen Listeria monocytogenes causes listeriosis, a severe foodborne disease associated with high mortality. Rapid and sensitive methods are required for specific detection of this pathogen during food production. Bioluminescence-based reporter bacteriophages are genetically engineered viruses that infect their host cells with high specificity and transduce a heterologous luciferase gene whose activity can be detected with high sensitivity to indicate the presence of viable target cells. Here, we use synthetic biology for de novo genome assembly and activation as well as CRISPR-Cas-assisted phage engineering to construct a set of reporter phages for the detection and differentiation of viable Listeria cells. Based on a single phage backbone, we compare the performance of four reporter phages that encode different crustacean, cnidarian, and bacterial luciferases. From this panel of reporter proteins, nanoluciferase (NLuc) was identified as a superior enzyme and was subsequently introduced into the genomes of a broad host range phage (A511) and two serovar 1/2- and serovar 4b/6a-specific Listeria phages (A006 and A500, respectively). The broad-range NLuc-based phage A511::nluc CPS detects one CFU of L. monocytogenes in 25 g of artificially contaminated milk, cold cuts, and lettuce within less than 24 h. In addition, this reporter phage successfully detected Listeria spp. in potentially contaminated natural food samples without producing false-positive or false-negative results. Finally, A006::nluc and A500::nluc enable serovar-specific Listeria diagnostics. In conclusion, these NLuc-based reporter phages enable rapid, ultrasensitive detection and differentiation of viable Listeria cells using a simple protocol that is 72 h faster than culture-dependent approaches.IMPORTANCE Culture-dependent methods are the gold standard for sensitive and specific detection of pathogenic bacteria within the food production chain. In contrast to molecular approaches, these methods detect viable cells, which is a key advantage for foods generated from heat-inactivated source material. However, culture-based diagnostics are typically much slower than molecular or proteomic strategies. Reporter phage assays combine the best of both worlds and allow for near online assessment of microbial safety because phage replication is extremely fast, highly target specific, and restricted to metabolically active host cells. In addition, reporter phage assays are inexpensive and do not require highly trained personnel, facilitating their on-site implementation. The reporter phages presented in this study not only allow for rapid detection but also enable an early estimation of the potential virulence of Listeria isolates from food production and processing sites.
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10
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Bacteriophage Based Biosensors: Trends, Outcomes and Challenges. NANOMATERIALS 2020; 10:nano10030501. [PMID: 32168802 PMCID: PMC7153619 DOI: 10.3390/nano10030501] [Citation(s) in RCA: 49] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/05/2020] [Revised: 03/06/2020] [Accepted: 03/07/2020] [Indexed: 01/04/2023]
Abstract
Foodborne pathogens are one of the main concerns in public health, which can have a serious impact on community health and health care systems. Contamination of foods by bacterial pathogens (such as Staphylococcus aureus, Streptococci, Legionella pneumophila, Escherichia coli, Campylobacter jejuni and Salmonella typhimurium) results in human infection. A typical example is the current issue with Coronavirus, which has the potential for foodborne transmission and ruling out such concerns is often difficult. Although, the possible dissemination of such viruses via the food chain has been raised. Standard bacterial detection methods require several hours or even days to obtain the results, and the delay may result in food poisoning to eventuate. Conventional biochemical and microbiological tests are expensive, complex, time-consuming and not always reliable. Therefore, there are urgent demands to develop simple, cheap, quick, sensitive, specific and reliable tests for the detection of these pathogens in foods. Recent advances in smart materials, nanomaterials and biomolecular modeling have been a quantum leap in the development of biosensors in overcoming the limitations of a conventional standard laboratory assay. This research aimed to critically review bacteriophage-based biosensors, used for the detection of foodborne pathogens, as well as their trends, outcomes and challenges are discussed. The future perspective in the use of simple and cheap biosensors is in the development of lab-on-chips, and its availability in every household to test the quality of their food.
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11
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Ruan Y, Xu H, Yu J, Chen Q, Gu L, Guo A. A fluorescence immunoassay based on CdTe : Zn/ZnS quantum dots for the rapid detection of bacteria, taking Delftia tsuruhatensis CM’13 as an example. RSC Adv 2020; 10:1042-1049. [PMID: 35494437 PMCID: PMC9049142 DOI: 10.1039/c9ra08651j] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2019] [Accepted: 11/09/2019] [Indexed: 11/21/2022] Open
Abstract
A fluorescence immunoassay has been widely applied in different fields due to its high sensitivity, simple operations, and high accuracy.
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Affiliation(s)
- Yao Ruan
- National Research and Development Center for Egg Processing
- Huazhong Agriculture University
- Wuhan 430070
- China
| | - Huanhuan Xu
- Key Laboratory of Environment Correlative Dietology (Huazhong Agricultural University)
- Ministry of Education
- Wuhan 430070
- China
| | - Jinlu Yu
- Key Laboratory of Environment Correlative Dietology (Huazhong Agricultural University)
- Ministry of Education
- Wuhan 430070
- China
| | - Qian Chen
- National Research and Development Center for Egg Processing
- Huazhong Agriculture University
- Wuhan 430070
- China
| | - Lihong Gu
- National Research and Development Center for Egg Processing
- Huazhong Agriculture University
- Wuhan 430070
- China
| | - Ailing Guo
- National Research and Development Center for Egg Processing
- Huazhong Agriculture University
- Wuhan 430070
- China
- Key Laboratory of Environment Correlative Dietology (Huazhong Agricultural University)
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12
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Leon-Velarde CG, Jun JW, Skurnik M. Yersinia Phages and Food Safety. Viruses 2019; 11:E1105. [PMID: 31795231 PMCID: PMC6950378 DOI: 10.3390/v11121105] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2019] [Revised: 11/26/2019] [Accepted: 11/26/2019] [Indexed: 12/31/2022] Open
Abstract
One of the human- and animal-pathogenic species in genus Yersinia is Yersinia enterocolitica, a food-borne zoonotic pathogen that causes enteric infections, mesenteric lymphadenitis, and sometimes sequelae such as reactive arthritis and erythema nodosum. Y. enterocolitica is able to proliferate at 4 C, making it dangerous if contaminated food products are stored under refrigeration. The most common source of Y. enterocolitica is raw pork meat. Microbiological detection of the bacteria from food products is hampered by its slow growth rate as other bacteria overgrow it. Bacteriophages can be exploited in several ways to increase food safety with regards to contamination by Y. enterocolitica. For example, Yersinia phages could be useful in keeping the contamination of food products under control, or, alternatively, the specificity of the phages could be exploited in developing rapid and sensitive diagnostic tools for the identification of the bacteria in food products. In this review, we will discuss the present state of the research on these topics.
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Affiliation(s)
- Carlos G. Leon-Velarde
- Agriculture and Food Laboratory, Laboratory Services Division, University of Guelph, Guelph, ON N1H 8J7, Canada;
| | - Jin Woo Jun
- Department of Aquaculture, Korea National College of Agriculture and Fisheries, Jeonju 54874, Korea;
| | - Mikael Skurnik
- Department of Bacteriology and Immunology, Medicum, Human Microbiome Research Program, Faculty of Medicine, University of Helsinki, 00014 HY Helsinki, Finland
- Division of Clinical Microbiology, HUSLAB, Helsinki University Hospital, 00029 HUS Helsinki, Finland
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13
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Anany H, Brovko LY, Arutyunov D, Poshtiban N, Singh A, Singh U, Brook M, Szymanski C, Evoy S, Griffiths MW. Immobilization of Intact Phage and Phage-Derived Proteins for Detection and Biocontrol Purposes. Methods Mol Biol 2019; 1898:89-105. [PMID: 30570726 DOI: 10.1007/978-1-4939-8940-9_8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
The natural specificity of bacteriophages toward their hosts represents great potential for the development of platforms for the capture and detection of bacterial pathogens. Whole phage can carry reporter genes to alter the phenotype of the target pathogen. Phage can also act as staining agents or the progeny of the infection process can be detected. Alternatively, using phage components as probes offer advantages over whole phage particles, including smaller probe size and resilience to desiccation. Phage structures can be engineered for improved affinity, specificity, and binding properties. However, such concepts require the ability to anchor phage and phage-components onto mechanical supports such as beads or flat surfaces. The ability to orient the anchoring is desired in order to optimize binding efficiency. This chapter presents various methods that have been employed for the attachment of phage and phage components onto support structures such as beads, filters, and sensor surfaces.
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Affiliation(s)
- Hany Anany
- Agriculture and Agri-Food Canada, Guelph Research and Development Center, Guelph, ON, Canada.
- Food Science Department, Canadian Research Institute for Food Safety, University of Guelph, Guelph, ON, Canada.
| | - Luba Y Brovko
- Food Science Department, Canadian Research Institute for Food Safety, University of Guelph, Guelph, ON, Canada
| | - Denis Arutyunov
- Department of Biological Sciences, Alberta Glycomics Centre, University of Alberta, Edmonton, AB, Canada
| | - Nilufar Poshtiban
- Department of Electrical and Computer Engineering, University of Alberta, Edmonton, AB, Canada
| | - Amit Singh
- Department of Electrical and Computer Engineering, University of Alberta, Edmonton, AB, Canada
| | - Upasana Singh
- Department of Electrical and Computer Engineering, University of Alberta, Edmonton, AB, Canada
| | - Michael Brook
- Department of Chemistry and Chemical Biology, McMaster University, Hamilton, ON, Canada
| | - Christine Szymanski
- Department of Biological Sciences, Alberta Glycomics Centre, University of Alberta, Edmonton, AB, Canada
| | - Stephane Evoy
- Department of Electrical and Computer Engineering, University of Alberta, Edmonton, AB, Canada
| | - Mansel W Griffiths
- Food Science Department, Canadian Research Institute for Food Safety, University of Guelph, Guelph, ON, Canada
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14
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Chen J, Picard RA, Wang D, Nugen SR. Lyophilized Engineered Phages for Escherichia coli Detection in Food Matrices. ACS Sens 2017; 2:1573-1577. [PMID: 29043791 DOI: 10.1021/acssensors.7b00561] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
Ease of use, low cost, and convenient transport are the key requirements for a commercial bacteria detection kit designed for resource-limited settings. Here, we report the colorimetric detection of Escherichia coli (E. coli) in food samples using freeze-dried engineered bacteriophages (phages). In this approach, we have engineered T7 phages to carry the lacZ operon driven by T7 promoter to overexpress reporter enzymes. The engineered phages were freeze-dried in a water-soluble polymer for storage and transportation. When used for the detection of E. coli cells, the intracellular enzyme [β-galactosidase (β-gal)] was overexpressed and released into the surrounding media, providing an enzyme-amplified colorimetric signal. Using this strategy, we were able to detect E. coli cells at the concentration of 102 CFU mL-1 in food samples without the need for sophisticated instruments or skilled operators.
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Affiliation(s)
- Juhong Chen
- Department
of Food Science, Cornell University, Stocking Hall, Ithaca, New York 14853, United States
| | - Rachael A. Picard
- Department
of Food Science, University of Massachusetts, 102 Holdsworth Way, Amherst, Massachusetts 01003, United States
| | - Danhui Wang
- Department
of Food Science, Cornell University, Stocking Hall, Ithaca, New York 14853, United States
| | - Sam R. Nugen
- Department
of Food Science, Cornell University, Stocking Hall, Ithaca, New York 14853, United States
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15
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Meyer A, Greene M, Kimmelshue C, Cademartiri R. Stabilization of T4 bacteriophage at acidic and basic pH by adsorption on paper. Colloids Surf B Biointerfaces 2017; 160:169-176. [PMID: 28926767 DOI: 10.1016/j.colsurfb.2017.09.002] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2017] [Revised: 07/24/2017] [Accepted: 09/01/2017] [Indexed: 12/30/2022]
Abstract
Bacteriophages find applications in agriculture, medicine, and food safety. Many of these applications can expose bacteriophages to stresses that inactivate them including acidic and basic pH. Bacteriophages can be stabilized against these stresses by materials including paper, a common material in packaging and consumer products. Combining paper and bacteriophages creates antibacterial materials, which can reduce the use of antibiotics. Here we show that adsorption on paper protects T4, T5, and T7 bacteriophage from acidic and basic pH. We added bacteriophages to filter paper functionalized with carboxylic acid (carboxyl methyl cellulose) or amine (chitosan) groups, and exposed them to pH from 5.6 to 14. We determined the number of infective bacteriophages after exposure directly on the paper. All papers extended the lifetime of infective bacteriophage by at least a factor of four with some papers stabilizing bacteriophages for up to one week. The degree of stabilization depended on five main factors (i) the family of the bacteriophage, (ii) the charge of the paper and bacteriophages, (iii) the location of the bacteriophages within the paper, (iv) the ability of the paper to prevent bacteriophage-bacteriophage aggregation, and (v) the sensitivity of the bacteriophage proteins to the tested pH. Even when adsorbed on paper the bacteriophages were able to remove E. coli in milk. Choosing the right paper modification or material will protect bacteriophages adsorbed on that material against detrimental pH and other environmental challenges increasing the range of applications of bacteriophages on materials.
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Affiliation(s)
- Abigail Meyer
- Department of Chemical and Biological Engineering, Iowa State University, Ames, IA, USA
| | - Melissa Greene
- Department of Chemical and Biological Engineering, Iowa State University, Ames, IA, USA
| | - Chad Kimmelshue
- Department of Agronomy, Iowa State University, Ames, IA, USA
| | - Rebecca Cademartiri
- Department of Chemical and Biological Engineering, Iowa State University, Ames, IA, USA; Department of Materials Science and Engineering, Iowa State University, Ames, IA, USA.
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16
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Anany H, Chou Y, Cucic S, Derda R, Evoy S, Griffiths M. From Bits and Pieces to Whole Phage to Nanomachines: Pathogen Detection Using Bacteriophages. Annu Rev Food Sci Technol 2017; 8:305-329. [DOI: 10.1146/annurev-food-041715-033235] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- H. Anany
- Canadian Institute for Food Safety, University of Guelph, Guelph, Ontario, Canada N1G 2W1;, ,
- Department of Microbiology, Faculty of Science, Ain Shams University, Cairo, Egypt 11566
| | - Y. Chou
- Department of Chemistry and Alberta Glycomics Centre, University of Alberta, Edmonton, Alberta, Canada T6G 2G2
| | - S. Cucic
- Canadian Institute for Food Safety, University of Guelph, Guelph, Ontario, Canada N1G 2W1;, ,
| | - R. Derda
- Department of Chemistry and Alberta Glycomics Centre, University of Alberta, Edmonton, Alberta, Canada T6G 2G2
| | - S. Evoy
- Department of Electrical and Computer Engineering, University of Alberta, Edmonton, Alberta, Canada T6G 2G2
| | - M.W. Griffiths
- Canadian Institute for Food Safety, University of Guelph, Guelph, Ontario, Canada N1G 2W1;, ,
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17
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Rosa AMM, Prazeres DMF, Paulo PMR. Fluorescence correlation spectroscopy study of the complexation of DNA hybrids, IgG antibody, and a chimeric protein of IgG-binding ZZ domains fused with a carbohydrate binding module. Phys Chem Chem Phys 2017; 19:16606-16614. [DOI: 10.1039/c7cp00662d] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Fluorescence correlation spectroscopy (FCS) was used to characterize the molecular interactions between the four components of a DNA recognition system.
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Affiliation(s)
- A. M. M. Rosa
- iBB – Institute for Bioengineering and Biosciences
- Department of Bioengineering
- Instituto Superior Técnico
- Universidade de Lisboa
- 1049-001 Lisbon
| | - D. M. F. Prazeres
- iBB – Institute for Bioengineering and Biosciences
- Department of Bioengineering
- Instituto Superior Técnico
- Universidade de Lisboa
- 1049-001 Lisbon
| | - P. M. R. Paulo
- Centro de Química Estrutural
- Instituto Superior Técnico
- Universidade de Lisboa
- 1049-001 Lisbon
- Portugal
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18
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Liu S, Gunawan C, Barraud N, Rice SA, Harry EJ, Amal R. Understanding, Monitoring, and Controlling Biofilm Growth in Drinking Water Distribution Systems. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2016; 50:8954-8976. [PMID: 27479445 DOI: 10.1021/acs.est.6b00835] [Citation(s) in RCA: 181] [Impact Index Per Article: 22.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
In drinking water distribution systems (DWDS), biofilms are the predominant mode of microbial growth, with the presence of extracellular polymeric substance (EPS) protecting the biomass from environmental and shear stresses. Biofilm formation poses a significant problem to the drinking water industry as a potential source of bacterial contamination, including pathogens, and, in many cases, also affecting the taste and odor of drinking water and promoting the corrosion of pipes. This article critically reviews important research findings on biofilm growth in DWDS, examining the factors affecting their formation and characteristics as well as the various technologies to characterize and monitor and, ultimately, to control their growth. Research indicates that temperature fluctuations potentially affect not only the initial bacteria-to-surface attachment but also the growth rates of biofilms. For the latter, the effect is unique for each type of biofilm-forming bacteria; ammonia-oxidizing bacteria, for example, grow more-developed biofilms at a typical summer temperature of 22 °C compared to 12 °C in fall, and the opposite occurs for the pathogenic Vibrio cholerae. Recent investigations have found the formation of thinner yet denser biofilms under high and turbulent flow regimes of drinking water, in comparison to the more porous and loosely attached biofilms at low flow rates. Furthermore, in addition to the rather well-known tendency of significant biofilm growth on corrosion-prone metal pipes, research efforts also found leaching of growth-promoting organic compounds from the increasingly popular use of polymer-based pipes. Knowledge of the unique microbial members of drinking water biofilms and, importantly, the influence of water characteristics and operational conditions on their growth can be applied to optimize various operational parameters to minimize biofilm accumulation. More-detailed characterizations of the biofilm population size and structure are now feasible with fluorescence microscopy (epifluorescence and CLSM imaging with DNA, RNA, EPS, and protein and lipid stains) and electron microscopy imaging (ESEM). Importantly, thorough identification of microbial fingerprints in drinking water biofilms is achievable with DNA sequencing techniques (the 16S rRNA gene-based identification), which have revealed a prevalence of previously undetected bacterial members. Technologies are now moving toward in situ monitoring of biomass growth in distribution networks, including the development of optical fibers capable of differentiating biomass from chemical deposits. Taken together, management of biofilm growth in water distribution systems requires an integrated approach, starting from the treatment of water prior to entering the networks to the potential implementation of "biofilm-limiting" operational conditions and, finally, ending with the careful selection of available technologies for biofilm monitoring and control. For the latter, conventional practices, including chlorine-chloramine disinfection, flushing of DWDS, nutrient removal, and emerging technologies are discussed with their associated challenges.
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Affiliation(s)
| | - Cindy Gunawan
- ithree institute, University of Technology Sydney , Sydney, NSW 2007, Australia
| | - Nicolas Barraud
- Department of Microbiology, Genetics of Biofilms Unit, Institut Pasteur , Paris 75015, France
| | - Scott A Rice
- The Singapore Centre for Environmental Life Sciences Engineering and School of Biological Sciences, Nanyang Technological University , 639798, Singapore
| | - Elizabeth J Harry
- ithree institute, University of Technology Sydney , Sydney, NSW 2007, Australia
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19
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Bárdy P, Pantůček R, Benešík M, Doškař J. Genetically modified bacteriophages in applied microbiology. J Appl Microbiol 2016; 121:618-33. [PMID: 27321680 DOI: 10.1111/jam.13207] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2016] [Revised: 06/07/2016] [Accepted: 06/16/2016] [Indexed: 01/18/2023]
Abstract
Bacteriophages represent a simple viral model of basic research with many possibilities for practical application. Due to their ability to infect and kill bacteria, their potential in the treatment of bacterial infection has been examined since their discovery. With advances in molecular biology and gene engineering, the phage application spectrum has been expanded to various medical and biotechnological fields. The construction of bacteriophages with an extended host range or longer viability in the mammalian bloodstream enhances their potential as an alternative to conventional antibiotic treatment. Insertion of active depolymerase genes to their genomes can enforce the biofilm disposal. They can also be engineered to transfer various compounds to the eukaryotic organisms and the bacterial culture, applicable for the vaccine, drug or gene delivery. Phage recombinant lytic enzymes can be applied as enzybiotics in medicine as well as in biotechnology for pathogen detection or programmed cell death in bacterial expression strains. Besides, modified bacteriophages with high specificity can be applied as bioprobes in detection tools to estimate the presence of pathogens in food industry, or utilized in the control of food-borne pathogens as part of the constructed phage-based biosorbents.
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Affiliation(s)
- P Bárdy
- Department of Experimental Biology, Faculty of Science, Masaryk University, Brno, Czech Republic
| | - R Pantůček
- Department of Experimental Biology, Faculty of Science, Masaryk University, Brno, Czech Republic
| | - M Benešík
- Department of Experimental Biology, Faculty of Science, Masaryk University, Brno, Czech Republic
| | - J Doškař
- Department of Experimental Biology, Faculty of Science, Masaryk University, Brno, Czech Republic
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20
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Chen J, Duncan B, Wang Z, Wang LS, Rotello VM, Nugen SR. Bacteriophage-based nanoprobes for rapid bacteria separation. NANOSCALE 2015; 7:16230-16236. [PMID: 26315848 DOI: 10.1039/c5nr03779d] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
The lack of practical methods for bacterial separation remains a hindrance for the low-cost and successful development of rapid detection methods from complex samples. Antibody-tagged magnetic particles are commonly used to pull analytes from a liquid sample. While this method is well-established, improvements in capture efficiencies would result in an increase of the overall detection assay performance. Bacteriophages represent a low-cost and more consistent biorecognition element as compared to antibodies. We have developed nanoscale bacteriophage-tagged magnetic probes, where T7 bacteriophages were bound to magnetic nanoparticles. The nanoprobe allowed the specific recognition and attachment to E. coli cells. The phage magnetic nanprobes were directly compared to antibody-conjugated magnetic nanoprobes. The capture efficiencies of bacteriophages and antibodies on nanoparticles for the separation of E. coli K12 at varying concentrations were determined. The results indicated a similar bacteria capture efficiency between the two nanoprobes.
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Affiliation(s)
- Juhong Chen
- Department of Food Science, University of Massachusetts, Amherst, 102 Holdsworth Way, Amherst, Massachusetts 01003, USA.
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21
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Peltomaa R, López-Perolio I, Benito-Peña E, Barderas R, Moreno-Bondi MC. Application of bacteriophages in sensor development. Anal Bioanal Chem 2015; 408:1805-28. [DOI: 10.1007/s00216-015-9087-2] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2015] [Revised: 09/24/2015] [Accepted: 09/28/2015] [Indexed: 12/19/2022]
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22
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Tawil N, Sacher E, Mandeville R, Meunier M. Bacteriophages: biosensing tools for multi-drug resistant pathogens. Analyst 2015; 139:1224-36. [PMID: 24434867 DOI: 10.1039/c3an01989f] [Citation(s) in RCA: 52] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Pathogen detection is of utmost importance in many sectors, such as in the food industry, environmental quality control, clinical diagnostics, bio-defence and counter-terrorism. Failure to appropriately, and specifically, detect pathogenic bacteria can lead to serious consequences, and may ultimately be lethal. Public safety, new legislation, recent outbreaks in food contamination, and the ever-increasing prevalence of multidrug-resistant infections have fostered a worldwide research effort targeting novel biosensing strategies. This review concerns phage-based analytical and biosensing methods targeted towards theranostic applications. We discuss and review phage-based assays, notably phage amplification, reporter phage, phage lysis, and bioluminescence assays for the detection of bacterial species, as well as phage-based biosensors, including optical (comprising SPR sensors and fiber optic assays), electrochemical (comprising amperometric, potentiometric, and impedimetric sensors), acoustic wave and magnetoelastic sensors.
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Affiliation(s)
- N Tawil
- Regroupement Québécois de Matériaux de Pointe, Department of Engineering Physics, École Polytechnique de Montréal, Case Postale 6079, succursale Centre-ville, Montréal, Québec H3C 3A7, Canada.
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23
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Burnham S, Hu J, Anany H, Brovko L, Deiss F, Derda R, Griffiths MW. Towards rapid on-site phage-mediated detection of generic Escherichia coli in water using luminescent and visual readout. Anal Bioanal Chem 2014; 406:5685-93. [DOI: 10.1007/s00216-014-7985-3] [Citation(s) in RCA: 64] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2014] [Revised: 05/29/2014] [Accepted: 06/18/2014] [Indexed: 01/27/2023]
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24
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Cho IH, Radadia AD, Farrokhzad K, Ximenes E, Bae E, Singh AK, Oliver H, Ladisch M, Bhunia A, Applegate B, Mauer L, Bashir R, Irudayaraj J. Nano/micro and spectroscopic approaches to food pathogen detection. ANNUAL REVIEW OF ANALYTICAL CHEMISTRY (PALO ALTO, CALIF.) 2014; 7:65-88. [PMID: 24896312 DOI: 10.1146/annurev-anchem-071213-020249] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
Despite continuing research efforts, timely and simple pathogen detection with a high degree of sensitivity and specificity remains an elusive goal. Given the recent explosion of sensor technologies, significant strides have been made in addressing the various nuances of this important global challenge that affects not only the food industry but also human health. In this review, we provide a summary of the various ongoing efforts in pathogen detection and sample preparation in areas related to Fourier transform infrared and Raman spectroscopy, light scattering, phage display, micro/nanodevices, and nanoparticle biosensors. We also discuss the advantages and potential limitations of the detection methods and suggest next steps for further consideration.
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Affiliation(s)
- Il-Hoon Cho
- Bindley Bioscience and Birck Nanotechnology Center; Departments of
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25
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Han JH, Wang MS, Das J, Sudheendra L, Vonasek E, Nitin N, Kennedy IM. Capture and detection of T7 bacteriophages on a nanostructured interface. ACS APPLIED MATERIALS & INTERFACES 2014; 6:4758-65. [PMID: 24650205 PMCID: PMC3985741 DOI: 10.1021/am500655r] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/03/2013] [Accepted: 03/20/2014] [Indexed: 05/25/2023]
Abstract
A highly ordered array of T7 bacteriophages was created by the electrophoretic capture of phages onto a nanostructured array with wells that accommodated the phages. Electrophoresis of bacteriophages was achieved by applying a positive potential on an indium tin oxide electrode at the bottom of the nanowells. Nanoscale arrays of phages with different surface densities were obtained by changing the electric field applied to the bottom of the nanowells. The applied voltage was shown to be the critical factor in generating a well-ordered phage array. The number of wells occupied by a phage, and hence the concentration of phages in a sample solution, could be quantified by using a DNA intercalating dye that rapidly stains the T7 phage. The fluorescence signal was enhanced by the intrinsic photonic effect made available by the geometry of the platform. It was shown that the quantification of phages on the array was 6 orders of magnitude better than could be obtained with a fluorescent plate reader. The device opens up the possibility that phages can be detected directly without enrichment or culturing, and by detecting phages that specifically infect bacteria of interest, rapid pathogen detection becomes possible.
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Affiliation(s)
- Jin-Hee Han
- Department of Mechanical and Aerospace Engineering, Food Science and Technology, and Biological and
Agricultural Engineering, University of
California, Davis, Davis, California 95616, United States
| | - Min S. Wang
- Department of Mechanical and Aerospace Engineering, Food Science and Technology, and Biological and
Agricultural Engineering, University of
California, Davis, Davis, California 95616, United States
| | - Jayanti Das
- Department of Mechanical and Aerospace Engineering, Food Science and Technology, and Biological and
Agricultural Engineering, University of
California, Davis, Davis, California 95616, United States
| | - L. Sudheendra
- Department of Mechanical and Aerospace Engineering, Food Science and Technology, and Biological and
Agricultural Engineering, University of
California, Davis, Davis, California 95616, United States
| | - Erica Vonasek
- Department of Mechanical and Aerospace Engineering, Food Science and Technology, and Biological and
Agricultural Engineering, University of
California, Davis, Davis, California 95616, United States
| | - Nitin Nitin
- Department of Mechanical and Aerospace Engineering, Food Science and Technology, and Biological and
Agricultural Engineering, University of
California, Davis, Davis, California 95616, United States
| | - Ian M. Kennedy
- Department of Mechanical and Aerospace Engineering, Food Science and Technology, and Biological and
Agricultural Engineering, University of
California, Davis, Davis, California 95616, United States
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26
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Detection of bacteria with bioluminescent reporter bacteriophage. ADVANCES IN BIOCHEMICAL ENGINEERING/BIOTECHNOLOGY 2014; 144:155-71. [PMID: 25084997 DOI: 10.1007/978-3-662-43385-0_5] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Bacteriophages are viruses that exclusively infect bacteria. They are ideally suited for the development of highly specific diagnostic assay systems. Bioluminescent reporter bacteriophages are designed and constructed by integration of a luciferase gene in the virus genome. Relying on the host specificity of the phage, the system enables rapid, sensitive, and specific detection of bacterial pathogens. A bioluminescent reporter phage assay is superior to any other molecular detection method, because gene expression and light emission are dependent on an active metabolism of the bacterial cell, and only viable cells will yield a signal. In this chapter we introduce the concept of creating reporter phages, discuss their advantages and disadvantages, and illustrate the advances made in developing such systems for different Gram-negative and Gram-positive pathogens. The application of bioluminescent reporter phages for the detection of foodborne pathogens is emphasized.
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27
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Schmelcher M, Loessner MJ. Application of bacteriophages for detection of foodborne pathogens. BACTERIOPHAGE 2014; 4:e28137. [PMID: 24533229 PMCID: PMC3919822 DOI: 10.4161/bact.28137] [Citation(s) in RCA: 117] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/13/2014] [Revised: 02/05/2014] [Accepted: 02/06/2014] [Indexed: 12/22/2022]
Abstract
Bacterial contamination of food products presents a challenge for the food industry and poses a high risk for the consumer. Despite increasing awareness and improved hygiene measures, foodborne pathogens remain a threat for public health, and novel methods for detection of these organisms are needed. Bacteriophages represent ideal tools for diagnostic assays because of their high target cell specificity, inherent signal-amplifying properties, easy and inexpensive production, and robustness. Every stage of the phage lytic multiplication cycle, from the initial recognition of the host cell to the final lysis event, may be harnessed in several ways for the purpose of bacterial detection. Besides intact phage particles, phage-derived affinity molecules such as cell wall binding domains and receptor binding proteins can serve for this purpose. This review provides an overview of existing phage-based technologies for detection of foodborne pathogens, and highlights the most recent developments in this field, with particular emphasis on phage-based biosensors.
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Affiliation(s)
- Mathias Schmelcher
- Institute of Food, Nutrition and Health; ETH Zurich; Zurich, Switzerland
| | - Martin J Loessner
- Institute of Food, Nutrition and Health; ETH Zurich; Zurich, Switzerland
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28
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Zhao W, Jin L, Yuan H, Tan Z, Zhou C, Li LS, Ma L. Targeting human embryonic stem cells with quantum dot-conjugated phages. Sci Rep 2013; 3:3134. [PMID: 24190250 PMCID: PMC3817438 DOI: 10.1038/srep03134] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2013] [Accepted: 10/15/2013] [Indexed: 12/11/2022] Open
Abstract
Targeting embryonic stem cells (ESCs) is important for ESC labeling, drug delivery and cell fate control. In this study, we identified twenty-two phage clones that bind specifically to the hESC cell line X-01, which was derived from human blastocysts of Chinese origin. One phage (H178), which displays the sequence VGGEAWSSPTDL, showed higher binding affinity to hESCs than to a monkey ES cell line (RS366.4) and two mouse ES cell lines (R1 and E14). Using quantum dots (QDs) conjugated to the H178 phage, we demonstrate that the phage can specifically bind to hESCs in vitro. Our results suggest a possible interaction between the selected peptide and the stem cell extracellular matrix (ECM). The selection method described here allows rapid and efficient screening of unique phage clones and targeting cells. The phages displaying peptides identified by this study have potential applications for cargo delivery and receptor studies.
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Affiliation(s)
- Wenxiu Zhao
- Division of Life Science & Health, Graduate School at Shenzhen, Tsinghua University, Shenzhen, China
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29
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Biomolecule immobilization techniques for bioactive paper fabrication. Anal Bioanal Chem 2012; 403:7-13. [DOI: 10.1007/s00216-012-5821-1] [Citation(s) in RCA: 81] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2011] [Revised: 01/26/2012] [Accepted: 01/31/2012] [Indexed: 11/27/2022]
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30
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Brovko LY, Anany H, Griffiths MW. Bacteriophages for detection and control of bacterial pathogens in food and food-processing environment. ADVANCES IN FOOD AND NUTRITION RESEARCH 2012; 67:241-288. [PMID: 23034118 DOI: 10.1016/b978-0-12-394598-3.00006-x] [Citation(s) in RCA: 52] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
This chapter presents recent advances in bacteriophage research and their application in the area of food safety. Section 1 describes general facts on phage biology that are relevant to their application for control and detection of bacterial pathogens in food and environmental samples. Section 2 summarizes the recently acquired data on application of bacteriophages to control growth of bacterial pathogens and spoilage organisms in food and food-processing environment. Section 3 deals with application of bacteriophages for detection and identification of bacterial pathogens. Advantages of bacteriophage-based methods are presented and their shortcomings are discussed. The chapter is intended for food scientist and food product developers, and people in food inspection and health agencies with the ultimate goal to attract their attention to the new developing technology that has a tremendous potential in providing means for producing wholesome and safe food.
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Affiliation(s)
- Lubov Y Brovko
- Canadian Research Institute for Food Safety, University of Guelph, Guelph, Ontario, Canada.
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31
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Pathogen detection using engineered bacteriophages. Anal Bioanal Chem 2011; 402:3127-46. [DOI: 10.1007/s00216-011-5555-5] [Citation(s) in RCA: 58] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2011] [Revised: 10/29/2011] [Accepted: 11/02/2011] [Indexed: 12/19/2022]
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32
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Anany H, Chen W, Pelton R, Griffiths MW. Biocontrol of Listeria monocytogenes and Escherichia coli O157:H7 in meat by using phages immobilized on modified cellulose membranes. Appl Environ Microbiol 2011; 77:6379-87. [PMID: 21803890 PMCID: PMC3187159 DOI: 10.1128/aem.05493-11] [Citation(s) in RCA: 141] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2011] [Accepted: 07/21/2011] [Indexed: 01/03/2023] Open
Abstract
The ability of phages to specifically interact with and lyse their host bacteria makes them ideal antibacterial agents. The range of applications of bacteriophage can be extended by their immobilization on inert surfaces. A novel method for the oriented immobilization of bacteriophage has been developed. The method was based on charge differences between the bacteriophage head, which exhibits an overall net negative charge, and the tail fibers, which possess an overall net positive charge. Hence, the head would be more likely to attach to positively charged surfaces, leaving the tails free to capture and lyse bacteria. Cellulose membranes modified so that they had a positive surface charge were used as the support for phage immobilization. It was established that the number of infective phages immobilized on the positively charged cellulose membranes was significantly higher than that on unmodified membranes. Cocktails of phages active against Listeria or Escherichia coli immobilized on these membranes were shown to effectively control the growth of L. monocytogenes and E. coli O157:H7 in ready-to-eat and raw meat, respectively, under different storage temperatures and packaging conditions. The phage storage stability was investigated to further extend their industrial applications. It was shown that lyophilization can be used as a phage-drying method to maintain their infectivity on the newly developed bioactive materials. In conclusion, utilizing the charge difference between phage heads and tails provided a simple technique for oriented immobilization applicable to a wide range of phages and allowed the retention of infectivity.
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Affiliation(s)
- H. Anany
- Canadian Research Institute for Food Safety, University of Guelph, Guelph, Ontario N1G 2W1, Canada
- Department of Microbiology, Faculty of Science, Ain Shams University, Cairo, Egypt
| | - W. Chen
- Department of Chemical Engineering, McMaster University, Hamilton, Ontario L8S 4L7, Canada
| | - R. Pelton
- Department of Chemical Engineering, McMaster University, Hamilton, Ontario L8S 4L7, Canada
| | - M. W. Griffiths
- Canadian Research Institute for Food Safety, University of Guelph, Guelph, Ontario N1G 2W1, Canada
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Hosseinidoust Z, Van de Ven TGM, Tufenkji N. Bacterial capture efficiency and antimicrobial activity of phage-functionalized model surfaces. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2011; 27:5472-80. [PMID: 21452812 DOI: 10.1021/la200102z] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
Abstract
The rise of antibiotic-resistant bacteria has directed substantial attention toward the use of bacteriophages as a means to control bacterial populations. It has been proposed that bacteriophages can be applied as a coating on surfaces in healthcare settings or on indwelling medical devices to create an antimicrobial surface. In this study, antimicrobial model surfaces functionalized with five different types of bacteriophage were prepared and characterized with X-ray photoelectron spectroscopy and atomic force microscopy. The bacterial capture efficiency of these functionalized surfaces was studied for two common bacteria, Escherichia coli and Salmonella typhimurium. Binding of the phages to a solid surface affected their biofunctionality as expressed by the capture efficiency and rate of host membrane disruption. Moreover, the size and shape of the bacteriophage and positioning of its specific binding proteins significantly affected its bacterial capture capability in the immobilized state. Symmetric bacteriophages were found to be a better choice for antibacterial surfaces compared to more asymmetric tailed bacteriophages. Immobilized phages were found to disrupt the membranes of attached bacteria and are thus proposed as a candidate for antimicrobial surfaces.
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Affiliation(s)
- Zeinab Hosseinidoust
- Department of Chemical Engineering, McGill University, Montreal, Quebec H3A 2B2, Canada
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Mahony J, McAuliffe O, Ross RP, van Sinderen D. Bacteriophages as biocontrol agents of food pathogens. Curr Opin Biotechnol 2010; 22:157-63. [PMID: 21115341 DOI: 10.1016/j.copbio.2010.10.008] [Citation(s) in RCA: 150] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2010] [Revised: 10/04/2010] [Accepted: 10/11/2010] [Indexed: 11/18/2022]
Abstract
Bacteriophages have long been recognized for their potential as biotherapeutic agents. The recent approval for the use of phages of Listeria monocytogenes for food safety purposes has increased the impetus of phage research to uncover phage-mediated applications with activity against other food pathogens. Areas of emerging and growing significance, such as predictive modelling and genomics, have shown their potential and impact on the development of new technologies to combat food pathogens. This review will highlight recent advances in the research of phages that target food pathogens and that promote their use in biosanitation, while it will also discuss its limitations.
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Affiliation(s)
- Jennifer Mahony
- Department of Microbiology, University College Cork, Cork, Ireland
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