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Zhang L, Ma D, Yu Y, Luo W, Jiang S, Feng S, Chen Z. Advances in biomacromolecule-functionalized magnetic particles for phytopathogen detection. Talanta 2024; 281:126876. [PMID: 39277940 DOI: 10.1016/j.talanta.2024.126876] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2024] [Revised: 08/20/2024] [Accepted: 09/11/2024] [Indexed: 09/17/2024]
Abstract
Due to the increasing crop losses caused by common and newly emerging phytopathogens, there is a pressing need for the development of rapid and reliable methods for phytopathogen detection and analysis. Leveraging advancements in biochemical engineering technologies and nanomaterial sciences, researchers have put considerable efforts on utilizing biofunctionalized magnetic micro- and nanoparticles (MPs) to develop rapid and reliable systems for phytopathogen detection. MPs facilitate the rapid, high-throughput analysis and in-field applications, while the biomacromolecules, which play key roles in the biorecognitions, interactions and signal amplification, determine the specificity, sensitivity, reliability, and portability of pathogen detection systems. The integration of MPs and biomacromolecules provides dimensionality- and composition-dependent properties, representing a novel approach to develop phytopathogen detection systems. In this review, we summarize and discuss the general properties, synthesis and characterization of MPs, and focus on biomacromolecule-functionalized MPs as well as their representative applications for phytopathogen detection and analysis reported over the past decade. Extensively studied bioreceptors, such as antibodies, phages and phage proteins, nucleic acids, and glycans that are involved in the recognitions and interactions, are covered and discussed. Additionally, the integration of MPs-based detection system with portable microfluidic devices to facilitate their in-field applications is also discussed. Overall, this review focuses on biomacromolecule-functionalized MPs and their applications for phytopathogen detection, aiming to highlight their potential in developing advanced biosensing systems for effective plant protection.
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Affiliation(s)
- Libo Zhang
- National Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Guiyang, Guizhou, 550025, China.
| | - Dumei Ma
- Institute of Mass Spectrometry, School of Material Science and Chemical Engineering, Ningbo University, Ningbo, Zhejiang, 315211, China
| | - Youbo Yu
- National Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Guiyang, Guizhou, 550025, China
| | - Wiewei Luo
- The Ninth Medical Center of Chinese PLA General Hospital, Chaoyang District, Beijing, 100101, China
| | - Shilong Jiang
- National Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Guiyang, Guizhou, 550025, China
| | - Sheng Feng
- Department of Pathology and Laboratory Medicine, Boston University, Boston, MA, 02118, USA
| | - Zhuo Chen
- National Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Guiyang, Guizhou, 550025, China.
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2
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Eghbalpoor F, Gorji M, Alavigeh MZ, Moghadam MT. Genetically engineered phages and engineered phage-derived enzymes to destroy biofilms of antibiotics resistance bacteria. Heliyon 2024; 10:e35666. [PMID: 39170521 PMCID: PMC11336853 DOI: 10.1016/j.heliyon.2024.e35666] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2024] [Revised: 07/27/2024] [Accepted: 08/01/2024] [Indexed: 08/23/2024] Open
Abstract
"An impregnable stronghold where one or more warrior clans can evade enemy attacks" may serve as a description of bacterial biofilm on a smaller level than human conflicts. Consider this hypothetical conflict: who would emerge victorious? The occupants of secure trenches or those carrying out relentless assault? Either faction has the potential for triumph; the defenders will prevail if they can fortify the trench with unwavering resolve, while the assailants will succeed if they can devise innovative means to breach the trench. Hence, bacterial biofilms pose a significant challenge and are formidable adversaries for medical professionals, often leading to the failure of antibiotic treatments in numerous hospital infections. Phage engineering has become the foundation for the targeted enhancement of various phage properties, facilitating the eradication of biofilms. Researchers across the globe have studied the impact of engineered phages and phage-derived enzymes on biofilms formed by difficult-to-treat bacteria. These novel biological agents have shown promising results in addressing biofilm-related challenges. The compilation of research findings highlights the impressive capabilities of engineered phages in combating antibiotic-resistant bacteria, superbugs, and challenging infections. Specifically, these engineered phages exhibit enhanced biofilm destruction, penetration, and prevention capabilities compared to their natural counterparts. Additionally, the engineered enzymes derived from phages demonstrate improved effectiveness in addressing bacterial biofilms. As a result, these novel solutions, which demonstrate high penetration, destruction, and inhibition of biofilms, can be regarded as a viable option for addressing infectious biofilms in the near future.
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Affiliation(s)
- Fatemeh Eghbalpoor
- Department of Molecular Biology, Pasteur Institute of Iran, Tehran, Iran
| | - Mahdieh Gorji
- Department of Biology, Science and Research Branch, Islamic Azad University, Tehran, Iran
| | - Maryam Zamani Alavigeh
- Department of Microbiology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
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3
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López I, Otero F, Fernández MDC, Bou G, Gosálvez J, Fernández JL. Rapid and Simple Morphological Assay for Determination of Susceptibility/Resistance to Combined Ciprofloxacin and Ampicillin, Independently, in Escherichia coli. Antibiotics (Basel) 2024; 13:676. [PMID: 39061357 PMCID: PMC11273673 DOI: 10.3390/antibiotics13070676] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2024] [Revised: 07/16/2024] [Accepted: 07/18/2024] [Indexed: 07/28/2024] Open
Abstract
Current antibiograms cannot discern the particular effect of a specific antibiotic when the bacteria are incubated with a mixture of antibiotics. To prove that this task is achievable, Escherichia coli strains were treated with ciprofloxacin for 45 min, immobilized on a slide and stained with SYBR Gold. In susceptible strains, the nucleoid relative surface started to decrease near the MIC, being progressively condensed as the dose increased. The shrinkage level correlated with the DNA fragmentation degree. Ciprofloxacin-resistant bacilli showed no change. Additionally, E. coli strains were incubated with ampicillin for 45 min and processed similarly. The ampicillin-susceptible strain revealed intercellular DNA fragments that increased with dose, unlike the resistant strain. Co-incubation with both antibiotics revealed that ampicillin did not modify the nucleoid condensation effect of ciprofloxacin, whereas the quinolone partially decreased the background of DNA fragments induced by ampicillin. Sixty clinical isolates, with different combinations of susceptibility-resistance to each antibiotic, were co-incubated with the EUCAST breakpoints of susceptibility of ciprofloxacin and ampicillin. The morphological assay correctly categorized all the strains for each antibiotic in 60 min, demonstrating the feasible independent evaluation of a mixture of quinolone and beta-lactam. The rapid phenotypic assay may shorten the incubation times and necessary microbial mass currently required for evaluation.
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Affiliation(s)
- Isidoro López
- Genetics Unit, Institute of Biomedical Research of A Coruña (INIBIC)—Complejo Hospitalario Universitario A Coruña (CHUAC), 15006 A Coruña, Spain; (I.L.); (F.O.)
- Molecular Genetics and Radiobiology Laboratory, Centro Oncológico de Galicia, 15009 A Coruña, Spain
| | - Fátima Otero
- Genetics Unit, Institute of Biomedical Research of A Coruña (INIBIC)—Complejo Hospitalario Universitario A Coruña (CHUAC), 15006 A Coruña, Spain; (I.L.); (F.O.)
- Molecular Genetics and Radiobiology Laboratory, Centro Oncológico de Galicia, 15009 A Coruña, Spain
| | - María del Carmen Fernández
- CIBER (Biomedical Research Networking Centre) de Enfermedades Infecciosas (CIBERINFEC), Instituto de Salud Carlos III, 28029 Madrid, Spain; (M.d.C.F.); (G.B.)
- Microbiology Service and INIBIC—Complejo Hospitalario Universitario A Coruña (CHUAC), 15006 A Coruña, Spain
| | - Germán Bou
- CIBER (Biomedical Research Networking Centre) de Enfermedades Infecciosas (CIBERINFEC), Instituto de Salud Carlos III, 28029 Madrid, Spain; (M.d.C.F.); (G.B.)
- Microbiology Service and INIBIC—Complejo Hospitalario Universitario A Coruña (CHUAC), 15006 A Coruña, Spain
| | - Jaime Gosálvez
- Genetics Unit, Facultad de Biología, Universidad Autónoma de Madrid, 28049 Madrid, Spain;
| | - José Luis Fernández
- Genetics Unit, Institute of Biomedical Research of A Coruña (INIBIC)—Complejo Hospitalario Universitario A Coruña (CHUAC), 15006 A Coruña, Spain; (I.L.); (F.O.)
- Molecular Genetics and Radiobiology Laboratory, Centro Oncológico de Galicia, 15009 A Coruña, Spain
- CIBER (Biomedical Research Networking Centre) de Enfermedades Infecciosas (CIBERINFEC), Instituto de Salud Carlos III, 28029 Madrid, Spain; (M.d.C.F.); (G.B.)
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4
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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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5
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Campuzano S, Pedrero M, Barderas R, Pingarrón JM. Breaking barriers in electrochemical biosensing using bioinspired peptide and phage probes. Anal Bioanal Chem 2024:10.1007/s00216-024-05294-w. [PMID: 38639792 DOI: 10.1007/s00216-024-05294-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2024] [Revised: 04/05/2024] [Accepted: 04/08/2024] [Indexed: 04/20/2024]
Abstract
Electrochemical biosensing continues to advance tirelessly, overcoming barriers that have kept it from leaving research laboratories for many years. Among them, its compromised performance in complex biological matrices due to fouling or receptor stability issues, the limitations in determining toxic and small analytes, and its use, conditioned to the commercial availability of commercial receptors and the exploration of natural molecular interactions, deserved to be highlighted. To address these challenges, in addition to the intrinsic properties of electrochemical biosensing, its coupling with biomimetic materials has played a fundamental role, among which bioinspired phage and peptide probes stand out. The versatility in design and employment of these probes has opened an unimaginable plethora of possibilities for electrochemical biosensing, improving their performance far beyond the development of highly sensitive and selective devices. The state of the art offers robust electroanalytical biotools, capable of operating in complex samples and with exciting opportunities to discover and determine targets regardless of their toxicity and size, the commercial availability of bioreceptors, and prior knowledge of molecular interactions. With all this in mind, this review offers a panoramic, novel, and updated vision of both the tremendous advances and opportunities offered by the combination of electrochemical biosensors with bioinspired phage and peptide probes and the challenges and research efforts that are envisioned in the immediate future.
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Affiliation(s)
- Susana Campuzano
- Departamento de Química Analítica, Facultad de CC. Químicas, Universidad Complutense de Madrid, Pza. de las Ciencias 2, Madrid, 28040, Spain.
| | - María Pedrero
- Departamento de Química Analítica, Facultad de CC. Químicas, Universidad Complutense de Madrid, Pza. de las Ciencias 2, Madrid, 28040, Spain
| | - Rodrigo Barderas
- Chronic Disease Programme, UFIEC, Instituto de Salud Carlos III, Majadahonda, Madrid, 28220, Spain
- CIBER of Frailty and Healthy Aging (CIBERFES), Madrid, Spain
| | - José M Pingarrón
- Departamento de Química Analítica, Facultad de CC. Químicas, Universidad Complutense de Madrid, Pza. de las Ciencias 2, Madrid, 28040, Spain
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6
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Boroujeni MB, Mohebi S, Malekian A, Shahraeini SS, Gharagheizi Z, Shahkolahi S, Sadeghi RV, Naderifar M, Akbarizadeh MR, Soltaninejad S, Moghadam ZT, Moghadam MT, Mirzadeh F. The therapeutic effect of engineered phage, derived protein and enzymes against superbug bacteria. Biotechnol Bioeng 2024; 121:82-99. [PMID: 37881139 DOI: 10.1002/bit.28581] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2023] [Revised: 09/18/2023] [Accepted: 10/15/2023] [Indexed: 10/27/2023]
Abstract
Defending against antibiotic-resistant infections is similar to fighting a war with limited ammunition. As the new century unfolded, antibiotic resistance became a significant concern. In spite of the fact that phage treatment has been used as an effective means of fighting infections for more than a century, researchers have had to overcome many challenges of superbug bacteria by manipulating phages and producing engineered enzymes. New enzymes and phages with enhanced properties have a significant impact on the ability to fight antibiotic-resistant infections, which is considered a window of hope for the future. This review, therefore, illustrates not only the challenges caused by antibiotic resistance and superbug bacteria but also the engineered enzymes and phages that are being developed to solve these issues. Our study found that engineered phages, phage proteins, and enzymes can be effective in treating superbug bacteria and destroying the biofilm caused by them. Combining these engineered compounds with other antimicrobial substances can increase their effectiveness against antibiotic-resistant bacteria. Therefore, engineered phages, proteins, and enzymes can be used as a substitute for antibiotics or in combination with antibiotics to treat patients with superbug infections in the future.
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Affiliation(s)
| | - Samane Mohebi
- Department of Bacteriology and Virology, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Azam Malekian
- Department of Parasitology, Pasteur Institute of Iran, Tehran, Iran
| | - Seyed Sadegh Shahraeini
- Department of Medical Biotechnology, Drug Design and Bioinformatics Unit, Biotechnology Research Centre, Pasteur Institute of Iran, Tehran, Iran
| | - Zahra Gharagheizi
- Department of Biology, Science and Research Branch, Islamic Azad University, Tehran, Iran
| | - Shaghayegh Shahkolahi
- Department of Microbiology, North Tehran Branch, Islamic Azad University, Tehran, Iran
| | - Rezvaneh Vahedian Sadeghi
- Department of Microbiology, Faculty of Advanced Science and Technology, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
| | - Mahin Naderifar
- School of Nursing & Midwifery, Zabol University of Medical Sciences, Zabol, Iran
| | | | | | - Zahra Taati Moghadam
- School of Nursing and Midwifery, Guilan University of Medical Sciences, Rasht, Iran
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7
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Kim D, Kim M. Sensitive detection of viable Cronobacter sakazakii by bioluminescent reporter phage emitting stable signals with truncated holin. Food Res Int 2023; 174:113665. [PMID: 37981373 DOI: 10.1016/j.foodres.2023.113665] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2023] [Revised: 10/30/2023] [Accepted: 11/03/2023] [Indexed: 11/21/2023]
Abstract
As outbreaks of foodborne illness caused by the opportunistic pathogen Cronobacter sakazakii (Cs) continue to occur, particularly in infants consuming powdered infant formula (PIF), the need for sensitive, rapid, and easy-to-use detection of Cs from food and food processing environments is increasing. Here, we developed bioluminescent reporter bacteriophages for viable Cs-specific, substrate-free, rapid detection by introducing luciferase and its corresponding substrate-providing enzyme complex into the virulent phage ΦC01. Although the reporter phage ΦC01_lux, constructed by replacing non-essential genes for phage infectivity with a luxCDABE reporter operon, produced bioluminescence upon Cs infection, the emitted signal was quickly decayed due to the superior bacteriolytic activity of ΦC01. By truncating the membrane pore-forming protein holin and thus limiting its function, the bacterial lysis was delayed and the resultant engineered reporter phage ΦC01_lux_Δhol could produce a more stable and reliable bioluminescent signal. Accordingly, ΦC01_lux_Δhol was able to detect at least an average of 2 CFU/ml of Cs artificially contaminated PIF and Sunsik and food contact surface models within a total of 7 h of assays, including 5 h of pre-enrichment for Cs amplification. The sensitive, easy-to-use, and specific detection of live Cs with the developed reporter phage could be applied as a novel complementary tool for monitoring Cs in food and food-related environments for food safety and public health.
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Affiliation(s)
- Doyeon Kim
- Laboratory of Molecular Food Microbiology, Department of Food and Nutrition, Brain Korea 21 FOUR, College of Human Ecology, Yonsei University, Seoul 03722, Republic of Korea
| | - Minsik Kim
- Laboratory of Molecular Food Microbiology, Department of Food and Nutrition, Brain Korea 21 FOUR, College of Human Ecology, Yonsei University, Seoul 03722, Republic of Korea.
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8
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Panhwar S, Keerio HA, Ilhan H, Boyacı IH, Tamer U. Principles, Methods, and Real-Time Applications of Bacteriophage-Based Pathogen Detection. Mol Biotechnol 2023:10.1007/s12033-023-00926-5. [PMID: 37914863 DOI: 10.1007/s12033-023-00926-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2023] [Accepted: 10/02/2023] [Indexed: 11/03/2023]
Abstract
Bacterial pathogens in water, food, and the environment are spreading diseases around the world. According to a World Health Organization (WHO) report, waterborne pathogens pose the most significant global health risks to living organisms, including humans and animals. Conventional bacterial detection approaches such as colony counting, microscopic analysis, biochemical analysis, and molecular analysis are expensive, time-consuming, less sensitive, and require a pre-enrichment step. However, the bacteriophage-based detection of pathogenic bacteria is a robust approach that utilizes bacteriophages, which are viruses that specifically target and infect bacteria, for rapid and accurate detection of targets. This review shed light on cutting-edge technologies about the novel structure of phages and the immobilization process on the surface of electrodes to detect targeted bacterial cells. Similarly, the purpose of this study was to provide a comprehensive assessment of bacteriophage-based biosensors utilized for pathogen detection, as well as their trends, outcomes, and problems. This review article summaries current phage-based pathogen detection strategies for the development of low-cost lab-on-chip (LOC) and point-of-care (POC) devices using electrochemical and optical methods such as surface-enhanced Raman spectroscopy (SERS).
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Affiliation(s)
- Sallahuddin Panhwar
- Department of Analytical Chemistry, Faculty of Pharmacy, Gazi University, 06330, Ankara, Turkey.
- Department of Civil Engineering, National University of Sciences and Technology, Quetta, 24090, Balochistan, Pakistan.
| | - Hareef Ahmed Keerio
- Department of Civil and Environmental Engineering, Hanyang University, Seoul, Republic of Korea
| | - Hasan Ilhan
- Department of Chemistry, Faculty of Science, Ordu University, Altinordu, 52200, Ordu, Turkey
| | - Ismail Hakkı Boyacı
- Department of Food Engineering, Faculty of Engineering, Hacettepe University, Beytepe, 06800, Ankara, Turkey
| | - Ugur Tamer
- Department of Analytical Chemistry, Faculty of Pharmacy, Gazi University, 06330, Ankara, Turkey.
- Metu MEMS Center, Ankara, Turkey.
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9
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Meile S, Du J, Staubli S, Grossmann S, Koliwer-Brandl H, Piffaretti P, Leitner L, Matter CI, Baggenstos J, Hunold L, Milek S, Guebeli C, Kozomara-Hocke M, Neumeier V, Botteon A, Klumpp J, Marschall J, McCallin S, Zbinden R, Kessler TM, Loessner MJ, Dunne M, Kilcher S. Engineered reporter phages for detection of Escherichia coli, Enterococcus, and Klebsiella in urine. Nat Commun 2023; 14:4336. [PMID: 37474554 PMCID: PMC10359277 DOI: 10.1038/s41467-023-39863-x] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2022] [Accepted: 07/03/2023] [Indexed: 07/22/2023] Open
Abstract
The rapid detection and species-level differentiation of bacterial pathogens facilitates antibiotic stewardship and improves disease management. Here, we develop a rapid bacteriophage-based diagnostic assay to detect the most prevalent pathogens causing urinary tract infections: Escherichia coli, Enterococcus spp., and Klebsiella spp. For each uropathogen, two virulent phages were genetically engineered to express a nanoluciferase reporter gene upon host infection. Using 206 patient urine samples, reporter phage-induced bioluminescence was quantified to identify bacteriuria and the assay was benchmarked against conventional urinalysis. Overall, E. coli, Enterococcus spp., and Klebsiella spp. were each detected with high sensitivity (68%, 78%, 87%), specificity (99%, 99%, 99%), and accuracy (90%, 94%, 98%) at a resolution of ≥103 CFU/ml within 5 h. We further demonstrate how bioluminescence in urine can be used to predict phage antibacterial activity, demonstrating the future potential of reporter phages as companion diagnostics that guide patient-phage matching prior to therapeutic phage application.
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Affiliation(s)
- Susanne Meile
- Institute of Food Nutrition and Health, ETH, Zurich, Switzerland
| | - Jiemin Du
- Institute of Food Nutrition and Health, ETH, Zurich, Switzerland
| | - Samuel Staubli
- Institute of Food Nutrition and Health, ETH, Zurich, Switzerland
| | | | | | | | - Lorenz Leitner
- Department of Neuro-Urology, Balgrist University Hospital, University of Zurich, Zurich, Switzerland
| | | | | | - Laura Hunold
- Institute of Food Nutrition and Health, ETH, Zurich, Switzerland
| | - Sonja Milek
- Department of Neuro-Urology, Balgrist University Hospital, University of Zurich, Zurich, Switzerland
| | | | | | - Vera Neumeier
- Department of Neuro-Urology, Balgrist University Hospital, University of Zurich, Zurich, Switzerland
| | - Angela Botteon
- Institute of Food Nutrition and Health, ETH, Zurich, Switzerland
| | - Jochen Klumpp
- Institute of Food Nutrition and Health, ETH, Zurich, Switzerland
| | - Jonas Marschall
- Division of Infectious Diseases, Department of Medicine, Washington University School of Medicine, St. Louis, MO, US
| | - Shawna McCallin
- Department of Neuro-Urology, Balgrist University Hospital, University of Zurich, Zurich, Switzerland
| | - Reinhard Zbinden
- Institute of Medical Microbiology, University of Zurich, Zurich, Switzerland
| | - Thomas M Kessler
- Department of Neuro-Urology, Balgrist University Hospital, University of Zurich, Zurich, Switzerland
| | | | - Matthew Dunne
- Institute of Food Nutrition and Health, ETH, Zurich, Switzerland.
| | - Samuel Kilcher
- Institute of Food Nutrition and Health, ETH, Zurich, Switzerland.
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10
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Du J, Meile S, Baggenstos J, Jäggi T, Piffaretti P, Hunold L, Matter CI, Leitner L, Kessler TM, Loessner MJ, Kilcher S, Dunne M. Enhancing bacteriophage therapeutics through in situ production and release of heterologous antimicrobial effectors. Nat Commun 2023; 14:4337. [PMID: 37474516 PMCID: PMC10359290 DOI: 10.1038/s41467-023-39612-0] [Citation(s) in RCA: 16] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2022] [Accepted: 06/20/2023] [Indexed: 07/22/2023] Open
Abstract
Bacteriophages operate via pathogen-specific mechanisms of action distinct from conventional, broad-spectrum antibiotics and are emerging as promising alternative antimicrobials. However, phage-mediated killing is often limited by bacterial resistance development. Here, we engineer phages for target-specific effector gene delivery and host-dependent production of colicin-like bacteriocins and cell wall hydrolases. Using urinary tract infection (UTI) as a model, we show how heterologous effector phage therapeutics (HEPTs) suppress resistance and improve uropathogen killing by dual phage- and effector-mediated targeting. Moreover, we designed HEPTs to control polymicrobial uropathogen communities through production of effectors with cross-genus activity. Using phage-based companion diagnostics, we identified potential HEPT responder patients and treated their urine ex vivo. Compared to wildtype phage, a colicin E7-producing HEPT demonstrated superior control of patient E. coli bacteriuria. Arming phages with heterologous effectors paves the way for successful UTI treatment and represents a versatile tool to enhance and adapt phage-based precision antimicrobials.
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Affiliation(s)
- Jiemin Du
- Institute of Food Nutrition and Health, ETH Zurich, Zurich, Switzerland
| | - Susanne Meile
- Institute of Food Nutrition and Health, ETH Zurich, Zurich, Switzerland
| | - Jasmin Baggenstos
- Institute of Food Nutrition and Health, ETH Zurich, Zurich, Switzerland
| | - Tobias Jäggi
- Institute of Food Nutrition and Health, ETH Zurich, Zurich, Switzerland
| | - Pietro Piffaretti
- Institute of Food Nutrition and Health, ETH Zurich, Zurich, Switzerland
| | - Laura Hunold
- Institute of Food Nutrition and Health, ETH Zurich, Zurich, Switzerland
| | | | - Lorenz Leitner
- Department of Neuro-Urology, Balgrist University Hospital, University of Zurich, Zurich, Switzerland
| | - Thomas M Kessler
- Department of Neuro-Urology, Balgrist University Hospital, University of Zurich, Zurich, Switzerland
| | - Martin J Loessner
- Institute of Food Nutrition and Health, ETH Zurich, Zurich, Switzerland
| | - Samuel Kilcher
- Institute of Food Nutrition and Health, ETH Zurich, Zurich, Switzerland.
| | - Matthew Dunne
- Institute of Food Nutrition and Health, ETH Zurich, Zurich, Switzerland.
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11
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Paul SS. Phage engineering for development of diagnostic tools. PROGRESS IN MOLECULAR BIOLOGY AND TRANSLATIONAL SCIENCE 2023; 200:91-101. [PMID: 37739561 DOI: 10.1016/bs.pmbts.2023.04.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/24/2023]
Abstract
The bacteriophages rely on the host cell to provide energy and resources for their own replication. Antibody-based diagnostic tests rely on the antibody and the biomarker interactions. Since, most of these diagnostic tools employ the use of antibodies; hence, they require intensive storage protocols at cold conditions and incur high time and capital cost due to their production and purification process. Phage-based diagnostics can overcome this limitation. Bacteriophages, have been used as emerging tools for the detection of various pathogens. Rapid phage-mediated detection assays have become commercial diagnostic tools. Conventional method and new cloning approaches have been followed to specifically detect a disease- causing microbial strains. This review discusses use of Phage typing as diagnostic tools, phage-based detection methods, and their usage for signal amplification. Design rules for reporter phage engineering are also discussed followed by different engineering platforms for phage genome editing. We also discuss recent examples of how phage research is influencing the recent advances in the development of phage-based diagnostics for ultra-sensitive detection of various bio-species, outlining the advantages and limitations of detection technology of phage-based assays.
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12
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Hussain W, Yang X, Ullah M, Wang H, Aziz A, Xu F, Asif M, Ullah MW, Wang S. Genetic engineering of bacteriophages: Key concepts, strategies, and applications. Biotechnol Adv 2023; 64:108116. [PMID: 36773707 DOI: 10.1016/j.biotechadv.2023.108116] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2022] [Revised: 02/03/2023] [Accepted: 02/05/2023] [Indexed: 02/12/2023]
Abstract
Bacteriophages are the most abundant biological entity in the world and hold a tremendous amount of unexplored genetic information. Since their discovery, phages have drawn a great deal of attention from researchers despite their small size. The development of advanced strategies to modify their genomes and produce engineered phages with desired traits has opened new avenues for their applications. This review presents advanced strategies for developing engineered phages and their potential antibacterial applications in phage therapy, disruption of biofilm, delivery of antimicrobials, use of endolysin as an antibacterial agent, and altering the phage host range. Similarly, engineered phages find applications in eukaryotes as a shuttle for delivering genes and drugs to the targeted cells, and are used in the development of vaccines and facilitating tissue engineering. The use of phage display-based specific peptides for vaccine development, diagnostic tools, and targeted drug delivery is also discussed in this review. The engineered phage-mediated industrial food processing and biocontrol, advanced wastewater treatment, phage-based nano-medicines, and their use as a bio-recognition element for the detection of bacterial pathogens are also part of this review. The genetic engineering approaches hold great potential to accelerate translational phages and research. Overall, this review provides a deep understanding of the ingenious knowledge of phage engineering to move them beyond their innate ability for potential applications.
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Affiliation(s)
- Wajid Hussain
- Advanced Biomaterials & Tissues Engineering Center, College of Life Sciences and Technology, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Xiaohan Yang
- Advanced Biomaterials & Tissues Engineering Center, College of Life Sciences and Technology, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Mati Ullah
- Department of Biotechnology, College of Life Sciences and Technology, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Huan Wang
- Advanced Biomaterials & Tissues Engineering Center, College of Life Sciences and Technology, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Ayesha Aziz
- Advanced Biomaterials & Tissues Engineering Center, College of Life Sciences and Technology, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Fang Xu
- Huazhong University of Science and Technology Hospital, Wuhan 430074, China
| | - Muhammad Asif
- Hubei Key Laboratory of Plasma Chemistry and Advanced Materials, School of Materials Science and Engineering, Wuhan Institute of Technology, Wuhan 430205, China
| | - Muhammad Wajid Ullah
- Biofuels Institute, School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang 212013, China.
| | - Shenqi Wang
- Advanced Biomaterials & Tissues Engineering Center, College of Life Sciences and Technology, Huazhong University of Science and Technology, Wuhan 430074, China.
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13
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Arivarasan VK. Unlocking the potential of phages: Innovative approaches to harnessing bacteriophages as diagnostic tools for human diseases. PROGRESS IN MOLECULAR BIOLOGY AND TRANSLATIONAL SCIENCE 2023; 201:133-149. [PMID: 37770168 DOI: 10.1016/bs.pmbts.2023.03.025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/03/2023]
Abstract
Phages, viruses that infect bacteria, have been explored as promising tools for the detection of human disease. By leveraging the specificity of phages for their bacterial hosts, phage-based diagnostic tools can rapidly and accurately detect bacterial infections in clinical samples. In recent years, advances in genetic engineering and biotechnology have enabled the development of more sophisticated phage-based diagnostic tools, including those that express reporter genes or enzymes, or target specific virulence factors or antibiotic resistance genes. However, despite these advancements, there are still challenges and limitations to the use of phage-based diagnostic tools, including concerns over phage safety and efficacy. This review aims to provide a comprehensive overview of the current state of phage-based diagnostic tools, including their advantages, limitations, and potential for future development. By addressing these issues, we hope to contribute to the ongoing efforts to develop safe and effective phage-based diagnostic tools for the detection of human disease.
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Affiliation(s)
- Vishnu Kirthi Arivarasan
- Department of Microbiology, School of Bioengineering and Biosciences, Lovely Professional University, Phagwara, Punjab, India.
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14
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A caprylate esterase-activated fluorescent probe for sensitive and selective detection of Salmonella enteritidis. Anal Bioanal Chem 2023; 415:2163-2172. [PMID: 36869898 DOI: 10.1007/s00216-023-04623-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2023] [Revised: 02/14/2023] [Accepted: 02/20/2023] [Indexed: 03/05/2023]
Abstract
Salmonella enteritidis is one of the most common foodborne pathogens. Many methods have been developed to detect Salmonella, but most of them are expensive, time-consuming, and complex in experimental procedures. Developing a rapid, specific, cost-effective, and sensitive detection method is still demanded. In this work, a practical detection method is presented using salicylaldazine caprylate as the fluorescent probe, which could be hydrolyzed by caprylate esterase liberated from Salmonella lysed by phage, to form strong fluorescent salicylaldazine. The Salmonella could be detected accurately with a low limit of detection of 6 CFU/mL and a broad concentration range of 10-106 CFU/mL. Moreover, this method was successfully used for the rapid detection of Salmonella in milk within 2 h through pre-enrichment by ampicillin-conjugated magnetic beads. The novel combination of fluorescent turn-on probe salicylaldazine caprylate and phage ensures this method has excellent sensitivity and selectivity.
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15
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Braun P, Raab R, Bugert JJ, Braun S. Recombinant Reporter Phage rTUN1:: nLuc Enables Rapid Detection and Real-Time Antibiotic Susceptibility Testing of Klebsiella pneumoniae K64 Strains. ACS Sens 2023; 8:630-639. [PMID: 36719711 PMCID: PMC9972469 DOI: 10.1021/acssensors.2c01822] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2022] [Accepted: 01/09/2023] [Indexed: 02/01/2023]
Abstract
The emergence of multi-drug-resistant Klebsiella pneumoniae (Kp) strains constitutes an enormous threat to global health as multi-drug resistance-associated treatment failure causes high mortality rates in nosocomial infections. Rapid pathogen detection and antibiotic resistance screening are therefore crucial for successful therapy and thus patient survival. Reporter phage-based diagnostics offer a way to speed up pathogen identification and resistance testing as integration of reporter genes into highly specific phages allows real-time detection of phage replication and thus living host cells. Kp-specific phages use the host's capsule, a major virulence factor of Kp, as a receptor for adsorption. To date, 80 different Kp capsule types (K-serotypes) have been described with predominant capsule types varying between different countries and continents. Therefore, reporter phages need to be customized according to the locally prevailing variants. Recently, we described the autographivirus vB_KpP_TUN1 (TUN1), which specifically infects Kp K64 strains, the most predominant capsule type at the military hospital in Tunis (MHT) that is also associated with high mortality rates. In this work, we developed the highly specific recombinant reporter phage rTUN1::nLuc, which produces nanoluciferase (nLuc) upon host infection and thus enables rapid detection of Kp K64 cells in clinical matrices such as blood and urine. At the same time, rTUN1::nLuc allows for rapid antibiotic susceptibility testing and therefore identification of suitable antibiotic treatment in less than 3 h.
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Affiliation(s)
- Peter Braun
- Bundeswehr Institute of
Microbiology, 80937Munich, Germany
| | - Rene Raab
- Bundeswehr Institute of
Microbiology, 80937Munich, Germany
| | | | - Simone Braun
- Bundeswehr Institute of
Microbiology, 80937Munich, Germany
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16
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Šuster K, Cör A. Induction of Viable but Non-Culturable State in Clinically Relevant Staphylococci and Their Detection with Bacteriophage K. Antibiotics (Basel) 2023; 12:antibiotics12020311. [PMID: 36830222 PMCID: PMC9952024 DOI: 10.3390/antibiotics12020311] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2023] [Revised: 01/27/2023] [Accepted: 02/01/2023] [Indexed: 02/05/2023] Open
Abstract
Prosthetic joint infections are frequently associated with biofilm formation and the presence of viable but non-culturable (VBNC) bacteria. Conventional sample culturing remains the gold standard for microbiological diagnosis. However, VBNC bacteria lack the ability to grow on routine culture medium, leading to culture-negative results. Bacteriophages are viruses that specifically recognize and infect bacteria. In this study, we wanted to determine if bacteriophages could be used to detect VBNC bacteria. Four staphylococcal strains were cultured for biofilm formation and transferred to low-nutrient media with different gentamycin concentrations for VBNC state induction. VBNC bacteria were confirmed with the BacLightTM viability kit staining. Suspensions of live, dead, and VBNC bacteria were incubated with bacteriophage K and assessed in a qPCR for their detection. The VBNC state was successfully induced 8 to 19 days after incubation under stressful conditions. In total, 6.1 to 23.9% of bacteria were confirmed alive while not growing on conventional culturing media. During the qPCR assay, live bacterial suspensions showed a substantial increase in phage DNA. No detection was observed in dead bacteria or phage non-susceptible E. coli suspensions. However, a reduction in phage DNA in VBNC bacterial suspensions was observed, which confirmed the detection was successful based on the adsorption of phages.
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Affiliation(s)
- Katja Šuster
- Department of Research, Valdoltra Orthopaedic Hospital, 6280 Ankaran, Slovenia
- Correspondence:
| | - Andrej Cör
- Department of Research, Valdoltra Orthopaedic Hospital, 6280 Ankaran, Slovenia
- Faculty of Education, University of Primorska, 6000 Koper, Slovenia
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17
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Klumpp J, Dunne M, Loessner MJ. A perfect fit: Bacteriophage receptor-binding proteins for diagnostic and therapeutic applications. Curr Opin Microbiol 2023; 71:102240. [PMID: 36446275 DOI: 10.1016/j.mib.2022.102240] [Citation(s) in RCA: 18] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2022] [Revised: 10/26/2022] [Accepted: 10/31/2022] [Indexed: 11/27/2022]
Abstract
Bacteriophages are the most abundant biological entity on earth, acting as the predators and evolutionary drivers of bacteria. Owing to their inherent ability to specifically infect and kill bacteria, phages and their encoded endolysins and receptor-binding proteins (RBPs) have enormous potential for development into precision antimicrobials for treatment of bacterial infections and microbial disbalances; or as biocontrol agents to tackle bacterial contaminations during various biotechnological processes. The extraordinary binding specificity of phages and RBPs can be exploited in various areas of bacterial diagnostics and monitoring, from food production to health care. We review and describe the distinctive features of phage RBPs, explain why they are attractive candidates for use as therapeutics and in diagnostics, discuss recent applications using RBPs, and finally provide our perspective on how synthetic technology and artificial intelligence-driven approaches will revolutionize how we use these tools in the future.
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Affiliation(s)
- Jochen Klumpp
- Institute of Food, Nutrition and Health, ETH Zurich, Schmelzbergstrasse 7, 8092 Zurich, Switzerland
| | - Matthew Dunne
- Institute of Food, Nutrition and Health, ETH Zurich, Schmelzbergstrasse 7, 8092 Zurich, Switzerland
| | - Martin J Loessner
- Institute of Food, Nutrition and Health, ETH Zurich, Schmelzbergstrasse 7, 8092 Zurich, Switzerland.
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18
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Elois MA, da Silva R, Pilati GVT, Rodríguez-Lázaro D, Fongaro G. Bacteriophages as Biotechnological Tools. Viruses 2023; 15:349. [PMID: 36851563 PMCID: PMC9963553 DOI: 10.3390/v15020349] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2022] [Revised: 01/14/2023] [Accepted: 01/18/2023] [Indexed: 01/28/2023] Open
Abstract
Bacteriophages are ubiquitous organisms that can be specific to one or multiple strains of hosts, in addition to being the most abundant entities on the planet. It is estimated that they exceed ten times the total number of bacteria. They are classified as temperate, which means that phages can integrate their genome into the host genome, originating a prophage that replicates with the host cell and may confer immunity against infection by the same type of phage; and lytics, those with greater biotechnological interest and are viruses that lyse the host cell at the end of its reproductive cycle. When lysogenic, they are capable of disseminating bacterial antibiotic resistance genes through horizontal gene transfer. When professionally lytic-that is, obligately lytic and not recently descended from a temperate ancestor-they become allies in bacterial control in ecological imbalance scenarios; these viruses have a biofilm-reducing capacity. Phage therapy has also been advocated by the scientific community, given the uniqueness of issues related to the control of microorganisms and biofilm production when compared to other commonly used techniques. The advantages of using bacteriophages appear as a viable and promising alternative. This review will provide updates on the landscape of phage applications for the biocontrol of pathogens in industrial settings and healthcare.
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Affiliation(s)
- Mariana Alves Elois
- Laboratory of Applied Virology, Department of Microbiology, Immunology and Parasitology, Federal University of Santa Catarina, Florianópolis 88040-900, Brazil
| | - Raphael da Silva
- Laboratory of Applied Virology, Department of Microbiology, Immunology and Parasitology, Federal University of Santa Catarina, Florianópolis 88040-900, Brazil
| | - Giulia Von Tönnemann Pilati
- Laboratory of Applied Virology, Department of Microbiology, Immunology and Parasitology, Federal University of Santa Catarina, Florianópolis 88040-900, Brazil
| | - David Rodríguez-Lázaro
- Microbiology Division, Faculty of Sciences, University of Burgos, 09001 Burgos, Spain
- Research Centre for Emerging Pathogens and Global Health, University of Burgos, 09001 Burgos, Spain
| | - Gislaine Fongaro
- Laboratory of Applied Virology, Department of Microbiology, Immunology and Parasitology, Federal University of Santa Catarina, Florianópolis 88040-900, Brazil
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19
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Tailoring the Host Range of Ackermannviridae Bacteriophages through Chimeric Tailspike Proteins. Viruses 2023; 15:v15020286. [PMID: 36851500 PMCID: PMC9965104 DOI: 10.3390/v15020286] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2022] [Revised: 01/10/2023] [Accepted: 01/18/2023] [Indexed: 01/21/2023] Open
Abstract
Host range is a major determinant in the industrial utility of a bacteriophage. A model host range permits broad recognition across serovars of a target bacterium while avoiding cross-reactivity with commensal microbiota. Searching for a naturally occurring bacteriophage with ideal host ranges is challenging, time-consuming, and restrictive. To address this, SPTD1.NL, a previously published luciferase reporter bacteriophage for Salmonella, was used to investigate manipulation of host range through receptor-binding protein engineering. Similar to related members of the Ackermannviridae bacteriophage family, SPTD1.NL possessed a receptor-binding protein gene cluster encoding four tailspike proteins, TSP1-4. Investigation of the native gene cluster through chimeric proteins identified TSP3 as the tailspike protein responsible for Salmonella detection. Further analysis of chimeric phages revealed that TSP2 contributed off-target Citrobacter recognition, whereas TSP1 and TSP4 were not essential for activity against any known host. To improve the host range of SPTD1.NL, TSP1 and TSP2 were sequentially replaced with chimeric receptor-binding proteins targeting Salmonella. This engineered construct, called RBP-SPTD1-3, was a superior diagnostic reporter, sensitively detecting additional Salmonella serovars while also demonstrating improved specificity. For industrial applications, bacteriophages of the Ackermannviridae family are thus uniquely versatile and may be engineered with multiple chimeric receptor-binding proteins to achieve a custom-tailored host range.
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20
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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: 15] [Impact Index Per Article: 7.5] [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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21
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Abril AG, Carrera M, Notario V, Sánchez-Pérez Á, Villa TG. The Use of Bacteriophages in Biotechnology and Recent Insights into Proteomics. Antibiotics (Basel) 2022; 11:653. [PMID: 35625297 PMCID: PMC9137636 DOI: 10.3390/antibiotics11050653] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2022] [Revised: 05/11/2022] [Accepted: 05/12/2022] [Indexed: 12/10/2022] Open
Abstract
Phages have certain features, such as their ability to form protein-protein interactions, that make them good candidates for use in a variety of beneficial applications, such as in human or animal health, industry, food science, food safety, and agriculture. It is essential to identify and characterize the proteins produced by particular phages in order to use these viruses in a variety of functional processes, such as bacterial detection, as vehicles for drug delivery, in vaccine development, and to combat multidrug resistant bacterial infections. Furthermore, phages can also play a major role in the design of a variety of cheap and stable sensors as well as in diagnostic assays that can either specifically identify specific compounds or detect bacteria. This article reviews recently developed phage-based techniques, such as the use of recombinant tempered phages, phage display and phage amplification-based detection. It also encompasses the application of phages as capture elements, biosensors and bioreceptors, with a special emphasis on novel bacteriophage-based mass spectrometry (MS) applications.
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Affiliation(s)
- Ana G. Abril
- Department of Microbiology and Parasitology, Faculty of Pharmacy, University of Santiago de Compostela, 15898 Santiago de Compostela, Spain;
- Department of Food Technology, Spanish National Research Council (CSIC), Marine Research Institute (IIM), 36208 Vigo, Spain;
| | - Mónica Carrera
- Department of Food Technology, Spanish National Research Council (CSIC), Marine Research Institute (IIM), 36208 Vigo, Spain;
| | - Vicente Notario
- Lombardi Comprehensive Cancer Center, Georgetown University, Washington, DC 20057, USA;
| | - Ángeles Sánchez-Pérez
- Sydney School of Veterinary Science, Faculty of Science, University of Sydney, Sydney, NSW 2006, Australia;
| | - Tomás G. Villa
- Department of Microbiology and Parasitology, Faculty of Pharmacy, University of Santiago de Compostela, 15898 Santiago de Compostela, Spain;
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22
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Watkins RR. Antibiotic stewardship in the era of precision medicine. JAC Antimicrob Resist 2022; 4:dlac066. [PMID: 35733911 PMCID: PMC9209748 DOI: 10.1093/jacamr/dlac066] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Abstract
Antimicrobial resistance (AMR) continues to spread at an alarming rate worldwide. Novel approaches are needed to mitigate its deleterious impact on antibiotic efficacy. Antibiotic stewardship aims to promote the appropriate use of antibiotics through evidence-based interventions. One paradigm is precision medicine, a medical model in which decisions, practices, interventions, and therapies are adapted to the individual patient based on their predicted response or risk of disease. Precision medicine approaches hold promise as a way to improve outcomes for patients with myriad illnesses, including infections such as bacteraemia and pneumonia. This review describes the latest advances in precision medicine as they pertain to antibiotic stewardship, with an emphasis on hospital-based antibiotic stewardship programmes. The impact of the COVID-19 pandemic on AMR and antibiotic stewardship, gaps in the scientific evidence, and areas for further research are also discussed.
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Affiliation(s)
- Richard R Watkins
- Department of Medicine, Northeast Ohio Medical University , Rootstown, OH , USA
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23
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Filik K, Szermer-Olearnik B, Oleksy S, Brykała J, Brzozowska E. Bacteriophage Tail Proteins as a Tool for Bacterial Pathogen Recognition-A Literature Review. Antibiotics (Basel) 2022; 11:555. [PMID: 35625199 PMCID: PMC9137617 DOI: 10.3390/antibiotics11050555] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2022] [Revised: 04/13/2022] [Accepted: 04/19/2022] [Indexed: 12/23/2022] Open
Abstract
In recent years, a number of bacterial detection methods have been developed to replace time-consuming culture methods. One interesting approach is to mobilize the ability of phage tail proteins to recognize and bind to bacterial hosts. In this paper, the authors provide an overview of the current methodologies in which phage proteins play major roles in detecting pathogenic bacteria. Authors focus on proteins capable of recognizing highly pathogenic strains, such as Acinetobacter baumannii, Campylobacter spp., Yersinia pestis, Pseudomonas aeruginosa, Listeria monocytogenes, Staphylococcus aureus, Enterococcus spp., Salmonella spp., and Shigella. These pathogens may be diagnosed by capture-based detection methods involving the use of phage protein-coated nanoparticles, ELISA (enzyme-linked immunosorbent assay)-based methods, or biosensors. The reviewed studies show that phage proteins are becoming an important diagnostic tool due to the discovery of new phages and the increasing knowledge of understanding the specificity and functions of phage tail proteins.
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Affiliation(s)
- Karolina Filik
- Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, St. R. Weigl 12, 51-167 Wroclaw, Poland; (S.O.); (J.B.); (E.B.)
| | - Bożena Szermer-Olearnik
- Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, St. R. Weigl 12, 51-167 Wroclaw, Poland; (S.O.); (J.B.); (E.B.)
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24
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Wang Z, Zhao X. The application and research progress of bacteriophages in food safety. J Appl Microbiol 2022; 133:2137-2147. [PMID: 35353432 DOI: 10.1111/jam.15555] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2022] [Revised: 03/11/2022] [Accepted: 03/26/2022] [Indexed: 11/29/2022]
Abstract
The abuse of antibiotics and the emergence of drug-resistant bacteria aggravate the problem of food safety. Finding a safe and efficient antibiotic substitute is an inevitable demand for ensuring the safety of animal-derived food. Bacteriophages are a kind of virus that can infect bacteria, fungi or actinomycetes. They have the advantages of simple structure, strong specificity and non-toxic side effects to human body. Bacteriophages can not only differentiate live cells from dead ones, but also detect bacteria in a viable but nonculturable state. These characteristics make bacteriophages more and more widely used in food industry. This paper describes the concept and characteristics of bacteriophages, introduces the application of bacteriophages in pre-harvest production, food processing, storage and sales. Several methods of bacteriophage detection of foodborne pathogens are listed. Finally, the advantages and limitations of bacteriophages in food industry are summarized, and the application prospect of bacteriophages in food industry are prospected.
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Affiliation(s)
- Zhihui Wang
- Research Center for Environmental Ecology and Engineering, Key Laboratory for Green Chemical Process of Ministry of Education, Hubei Key Laboratory of Novel Reactor and Green Chemical Technology, School of Environmental Ecology and Biological Engineering, Wuhan Institute of Technology, Wuhan, 430205, China
| | - Xihong Zhao
- Research Center for Environmental Ecology and Engineering, Key Laboratory for Green Chemical Process of Ministry of Education, Hubei Key Laboratory of Novel Reactor and Green Chemical Technology, School of Environmental Ecology and Biological Engineering, Wuhan Institute of Technology, Wuhan, 430205, China
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25
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Wisuthiphaet N, Yang X, Young GM, Nitin N. Quantitative Imaging of Bacteriophage Amplification for Rapid Detection of Bacteria in Model Foods. Front Microbiol 2022; 13:853048. [PMID: 35308341 PMCID: PMC8931685 DOI: 10.3389/fmicb.2022.853048] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2022] [Accepted: 02/14/2022] [Indexed: 11/13/2022] Open
Abstract
Rapid detection of bacteria in water and food samples is a critical need. The current molecular methods like real-time PCR can provide rapid detection after initial enrichment. However, these methods require significant preparation steps, specialized facilities to reduce contamination, and relatively expensive reagents. This study evaluates a novel approach for detecting bacteria based on imaging of bacteriophage amplification upon infection of the target host bacteria to mitigate some of these constraints and improve the specificity of discriminating live vs. dead bacteria. Thus, this research leverages the natural ability of lytic bacteriophages to rapidly amplify their genetic material and generate progeny phages upon infecting the host bacterium. This study uses a nucleic acid staining dye, a conventional fluorescence microscope, and quantitative image analysis for imaging the amplification of bacteriophages. The sensitivity and assay time for imaging-based quantification of phage amplification for detecting Escherichia coli were compared with RT-PCR and the standard plaque-forming assay for detection phage amplification in model systems, including coconut water and spinach wash water. The results demonstrate that the imaging approach matches both the sensitivity and speed for detecting E. coli using the RT-PCR method without requiring isolation of nucleic acids, expensive reagents, and specialized facilities. The quantitative imaging results demonstrate the detection of 10 CFU/ml of E. coli in coconut water and simulated spinach wash water with a chemical oxygen demand (COD) of 3,000 ppm within 8 h, including initial enrichment of the bacteria. In summary, the results of this study illustrate a novel phage amplification-based approach for detecting target bacteria in complex food and water samples using simple sample preparation methods and low-cost reagents.
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Affiliation(s)
- Nicharee Wisuthiphaet
- Department of Food Science and Technology, University of California, Davis, Davis, CA, United States
| | - Xu Yang
- Nutrition and Food Science Department, California State Polytechnic University Pomona, Pomona, CA, United States
| | - Glenn M. Young
- Department of Food Science and Technology, University of California, Davis, Davis, CA, United States
| | - Nitin Nitin
- Department of Food Science and Technology, University of California, Davis, Davis, CA, United States
- Department of Biological and Agricultural Engineering, University of California, Davis, Davis, CA, United States
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26
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Khan A, Ostaku J, Aras E, Safak Seker UO. Combating Infectious Diseases with Synthetic Biology. ACS Synth Biol 2022; 11:528-537. [PMID: 35077138 PMCID: PMC8895449 DOI: 10.1021/acssynbio.1c00576] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
![]()
Over
the past decades, there have been numerous outbreaks, including
parasitic, fungal, bacterial, and viral infections, worldwide. The
rate at which infectious diseases are emerging is disproportionate
to the rate of development for new strategies that could combat them.
Therefore, there is an increasing demand to develop novel, specific,
sensitive, and effective methods for infectious disease diagnosis
and treatment. Designed synthetic systems and devices are becoming
powerful tools to treat human diseases. The advancement in synthetic
biology offers efficient, accurate, and cost-effective platforms for
detecting and preventing infectious diseases. Herein we focus on the
latest state of living theranostics and its implications.
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Affiliation(s)
- Anooshay Khan
- UNAM − National Nanotechnology Research Center, Institute of Materials Science and Nanotechnology Bilkent University, 06800 Ankara, Turkey
| | - Julian Ostaku
- UNAM − National Nanotechnology Research Center, Institute of Materials Science and Nanotechnology Bilkent University, 06800 Ankara, Turkey
| | - Ebru Aras
- UNAM − National Nanotechnology Research Center, Institute of Materials Science and Nanotechnology Bilkent University, 06800 Ankara, Turkey
| | - Urartu Ozgur Safak Seker
- UNAM − National Nanotechnology Research Center, Institute of Materials Science and Nanotechnology Bilkent University, 06800 Ankara, Turkey
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27
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Ye J, Guo J, Li T, Tian J, Yu M, Wang X, Majeed U, Song W, Xiao J, Luo Y, Yue T. Phage-based technologies for highly sensitive luminescent detection of foodborne pathogens and microbial toxins: A review. Compr Rev Food Sci Food Saf 2022; 21:1843-1867. [PMID: 35142431 DOI: 10.1111/1541-4337.12908] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2021] [Revised: 12/25/2021] [Accepted: 12/28/2021] [Indexed: 02/05/2023]
Abstract
Foodborne pathogens and microbial toxins are the main causes of foodborne illness. However, trace pathogens and toxins in foods are difficult to detect. Thus, techniques for their rapid and sensitive identification and quantification are urgently needed. Phages can specifically recognize and adhere to certain species of microbes or toxins due to molecular complementation between capsid proteins of phages and receptors on the host cell wall or toxins, and thus they have been successfully developed into a detection platform for pathogens and toxins. This review presents an update on phage-based luminescent detection technologies as well as their working principles and characteristics. Based on phage display techniques of temperate phages, reporter gene detection assays have been designed to sensitively detect trace pathogens by luminous intensity. By the host-specific lytic effects of virulent phages, enzyme-catalyzed chemiluminescent detection technologies for pathogens have been exploited. Notably, these phage-based luminescent detection technologies can discriminate viable versus dead microbes. Further, highly selective and sensitive immune-based assays have been developed to detect trace toxins qualitatively and quantitatively via antibody analogs displayed by phages, such as phage-ELISA (enzyme-linked immunosorbent assay) and phage-IPCR (immuno-polymerase chain reaction). This literature research may lead to novel and innocuous phage-based rapid detection technologies to ensure food safety.
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Affiliation(s)
- Jianming Ye
- College of Food Science and Technology, Northwest University, Xi'an, Shaanxi, China
| | - Jiaqing Guo
- College of Food Science and Technology, Northwest University, Xi'an, Shaanxi, China
| | - Tairan Li
- College of Food Science and Technology, Northwest University, Xi'an, Shaanxi, China
| | - Jiaxin Tian
- College of Food Science and Technology, Northwest University, Xi'an, Shaanxi, China
| | - Mengxi Yu
- College of Food Science and Technology, Northwest University, Xi'an, Shaanxi, China
| | - Xiaochen Wang
- College of Food Science and Technology, Northwest University, Xi'an, Shaanxi, China
| | - Usman Majeed
- College of Food Science and Technology, Northwest University, Xi'an, Shaanxi, China
| | - Wei Song
- College of Food Science and Technology, Northwest University, Xi'an, Shaanxi, China
| | - Jianbo Xiao
- Department of Analytical Chemistry and Food Science, Faculty of Food Science and Technology, University of Vigo-Ourense Campus, Ourense, Spain
| | - Yane Luo
- College of Food Science and Technology, Northwest University, Xi'an, Shaanxi, China.,Laboratory of Nutritional and Healthy Food-Individuation Manufacturing Engineering, Xi'an, Shaanxi, China.,Research Center of Food Safety Risk Assessment and Control, Xi'an, Shaanxi, China
| | - Tianli Yue
- College of Food Science and Technology, Northwest University, Xi'an, Shaanxi, China.,Laboratory of Nutritional and Healthy Food-Individuation Manufacturing Engineering, Xi'an, Shaanxi, China.,Research Center of Food Safety Risk Assessment and Control, Xi'an, Shaanxi, China
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28
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Meile S, Du J, Dunne M, Kilcher S, Loessner MJ. Engineering therapeutic phages for enhanced antibacterial efficacy. Curr Opin Virol 2021; 52:182-191. [PMID: 34952266 DOI: 10.1016/j.coviro.2021.12.003] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2021] [Revised: 11/22/2021] [Accepted: 12/04/2021] [Indexed: 12/18/2022]
Abstract
The alarming rise in antimicrobial resistance coupled with a lack of innovation in antibiotics has renewed interest in the development of alternative therapies to combat bacterial infections. Despite phage therapy demonstrating success in various individual cases, a comprehensive and unequivocal demonstration of the therapeutic potential of phages remains to be shown. The co-evolution of phages and their bacterial hosts resulted in several inherent limitations for the use of natural phages as therapeutics such as restricted host range, moderate antibacterial efficacy, and frequent emergence of phage-resistance. However, these constraints can be overcome by leveraging recent advances in synthetic biology and genetic engineering to provide phages with additional therapeutic capabilities, improved safety profiles, and adaptable host ranges. Here, we examine different ways phages can be engineered to deliver heterologous therapeutic payloads to enhance their antibacterial efficacy and discuss their versatile applicability to combat bacterial pathogens.
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Affiliation(s)
- Susanne Meile
- Institute of Food, Nutrition and Health, ETH Zurich, Schmelzbergstrasse 7, 8092 Zurich, Switzerland
| | - Jiemin Du
- Institute of Food, Nutrition and Health, ETH Zurich, Schmelzbergstrasse 7, 8092 Zurich, Switzerland
| | - Matthew Dunne
- Institute of Food, Nutrition and Health, ETH Zurich, Schmelzbergstrasse 7, 8092 Zurich, Switzerland
| | - Samuel Kilcher
- Institute of Food, Nutrition and Health, ETH Zurich, Schmelzbergstrasse 7, 8092 Zurich, Switzerland
| | - Martin J Loessner
- Institute of Food, Nutrition and Health, ETH Zurich, Schmelzbergstrasse 7, 8092 Zurich, Switzerland.
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29
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Islam MR, Martinez-Soto CE, Lin JT, Khursigara CM, Barbut S, Anany H. A systematic review from basics to omics on bacteriophage applications in poultry production and processing. Crit Rev Food Sci Nutr 2021:1-33. [PMID: 34609270 DOI: 10.1080/10408398.2021.1984200] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
The growing human population is currently facing an unprecedented challenge on global food production and sustainability. Despite recognizing poultry as one of the most successful and rapidly growing food industries to address this challenge; poultry health and safety remain major issues that entail immediate attention. Bacterial diseases including colibacillosis, salmonellosis, and necrotic enteritis have become increasingly prevalent during poultry production. Likewise, outbreaks caused by consumption of undercooked poultry products contaminated with zoonotic bacterial pathogens such as Salmonella, Campylobacter and Listeria, are a serious public health concern. With antimicrobial resistance problem and restricted use of antibiotics in food producing animals, bacteriophages are increasingly recognized as an attractive natural antibacterial alternative. Bacteriophages have recently shown promising results to treat diseases in poultry, reduce contamination of carcasses, and enhance the safety of poultry products. Omics technologies have been successfully employed to accurately characterize bacteriophages and their genes/proteins important for interaction with bacterial hosts. In this review, the potential of using lytic bacteriophages to mitigate the risk of major poultry-associated bacterial pathogens are explored. This study also explores challenges associated with the adoption of this technology by industries. Furthermore, the impact of omics approaches on studying bacteriophages, their host interaction and applications is discussed.
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Affiliation(s)
- Md Rashedul Islam
- Guelph Research and Development Centre, Agriculture and Agri-Food Canada, Guelph, Ontario, Canada
| | - Carlos E Martinez-Soto
- Guelph Research and Development Centre, Agriculture and Agri-Food Canada, Guelph, Ontario, Canada.,Department of Food Science, University of Guelph, Guelph, Ontario, Canada
| | - Janet T Lin
- Guelph Research and Development Centre, Agriculture and Agri-Food Canada, Guelph, Ontario, Canada
| | - Cezar M Khursigara
- Department of Molecular and Cellular Biology, University of Guelph, Guelph, Ontario, Canada
| | - Shai Barbut
- Department of Food Science, University of Guelph, Guelph, Ontario, Canada
| | - Hany Anany
- Guelph Research and Development Centre, Agriculture and Agri-Food Canada, Guelph, Ontario, Canada.,Department of Molecular and Cellular Biology, University of Guelph, Guelph, Ontario, Canada.,Department of Food Science, University of Guelph, Guelph, Ontario, Canada
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30
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Erickson S, Paulson J, Brown M, Hahn W, Gil J, Barron-Montenegro R, Moreno-Switt AI, Eisenberg M, Nguyen MM. Isolation and engineering of a Listeria grayi bacteriophage. Sci Rep 2021; 11:18947. [PMID: 34556683 PMCID: PMC8460666 DOI: 10.1038/s41598-021-98134-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2021] [Accepted: 09/03/2021] [Indexed: 01/02/2023] Open
Abstract
The lack of bacteriophages capable of infecting the Listeria species, Listeria grayi, is academically intriguing and presents an obstacle to the development of bacteriophage-based technologies for Listeria. We describe the isolation and engineering of a novel L. grayi bacteriophage, LPJP1, isolated from farm silage. With a genome over 200,000 base pairs, LPJP1 is the first and only reported jumbo bacteriophage infecting the Listeria genus. Similar to other Gram-positive jumbo phages, LPJP1 appeared to contain modified base pairs, which complicated initial attempts to obtain genomic sequence using standard methods. Following successful sequencing with a modified approach, a recombinant of LPJP1 encoding the NanoLuc luciferase was engineered using homologous recombination. This luciferase reporter bacteriophage successfully detected 100 stationary phase colony forming units of both subspecies of L. grayi in four hours. A single log phase colony forming unit was also sufficient for positive detection in the same time period. The recombinant demonstrated complete specificity for this particular Listeria species and did not infect 150 non-L. grayi Listeria strains nor any other bacterial genus. LPJP1 is believed to be the first reported lytic bacteriophage of L. grayi as well as the only jumbo bacteriophage to be successfully engineered into a luciferase reporter.
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Affiliation(s)
- Stephen Erickson
- Laboratory Corporation of America Holdings, New Brighton, MN, 55112, USA.
| | - John Paulson
- Laboratory Corporation of America Holdings, New Brighton, MN, 55112, USA
| | - Matthew Brown
- Laboratory Corporation of America Holdings, Burlington, NC, 27215, USA
| | - Wendy Hahn
- Laboratory Corporation of America Holdings, New Brighton, MN, 55112, USA
| | - Jose Gil
- Laboratory Corporation of America Holdings, Los Angeles, CA, 90062, USA
| | - Rocío Barron-Montenegro
- Escuela de Medicina Veterinaria, Facultad de Agronomía e Ingeniería Forestal, Facultad de Ciencias Biológicas, Facultad de Medicina, Pontificia Universidad Católica de Chile, Santiago, Chile.,Millennium Initiative for Collaborative Research on Bacteria Resistance (MICROB-R), Santiago, Chile
| | - Andrea I Moreno-Switt
- Escuela de Medicina Veterinaria, Facultad de Agronomía e Ingeniería Forestal, Facultad de Ciencias Biológicas, Facultad de Medicina, Pontificia Universidad Católica de Chile, Santiago, Chile.,Millennium Initiative for Collaborative Research on Bacteria Resistance (MICROB-R), Santiago, Chile
| | - Marcia Eisenberg
- Laboratory Corporation of America Holdings, Burlington, NC, 27215, USA
| | - Minh M Nguyen
- Laboratory Corporation of America Holdings, New Brighton, MN, 55112, USA
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31
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Abstract
Viruses are the most abundant biological entity on Earth, infect cellular organisms from all domains of life, and are central players in the global biosphere. Over the last century, the discovery and characterization of viruses have progressed steadily alongside much of modern biology. In terms of outright numbers of novel viruses discovered, however, the last few years have been by far the most transformative for the field. Advances in methods for identifying viral sequences in genomic and metagenomic datasets, coupled to the exponential growth of environmental sequencing, have greatly expanded the catalog of known viruses and fueled the tremendous growth of viral sequence databases. Development and implementation of new standards, along with careful study of the newly discovered viruses, have transformed and will continue to transform our understanding of microbial evolution, ecology, and biogeochemical cycles, leading to new biotechnological innovations across many diverse fields, including environmental, agricultural, and biomedical sciences.
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Affiliation(s)
- Lee Call
- Department of Energy Joint Genome Institute, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA; ,
| | - Stephen Nayfach
- Department of Energy Joint Genome Institute, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA; ,
| | - Nikos C Kyrpides
- Department of Energy Joint Genome Institute, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA; ,
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32
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Gibb B, Hyman P, Schneider CL. The Many Applications of Engineered Bacteriophages-An Overview. Pharmaceuticals (Basel) 2021; 14:ph14070634. [PMID: 34208847 PMCID: PMC8308837 DOI: 10.3390/ph14070634] [Citation(s) in RCA: 41] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2021] [Revised: 06/26/2021] [Accepted: 06/26/2021] [Indexed: 12/18/2022] Open
Abstract
Since their independent discovery by Frederick Twort in 1915 and Felix d’Herelle in 1917, bacteriophages have captured the attention of scientists for more than a century. They are the most abundant organisms on the planet, often outnumbering their bacterial hosts by tenfold in a given environment, and they constitute a vast reservoir of unexplored genetic information. The increased prevalence of antibiotic resistant pathogens has renewed interest in the use of naturally obtained phages to combat bacterial infections, aka phage therapy. The development of tools to modify phages, genetically or chemically, combined with their structural flexibility, cargo capacity, ease of propagation, and overall safety in humans has opened the door to a myriad of applications. This review article will introduce readers to many of the varied and ingenious ways in which researchers are modifying phages to move them well beyond their innate ability to target and kill bacteria.
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Affiliation(s)
- Bryan Gibb
- Department of Biological and Chemical Sciences, Theobald Science Center, Room 423, New York Institute of Technology, Old Westbury, NY 11568-8000, USA
- Correspondence: (B.G.); (C.L.S.)
| | - Paul Hyman
- Department of Biology and Toxicology, Ashland University, 401 College Ave., Ashland, OH 44805, USA;
| | - Christine L. Schneider
- Department of Life Sciences, Carroll University, 100 North East Ave., Waukesha, WI 53186, USA
- Correspondence: (B.G.); (C.L.S.)
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33
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Kim SG, Roh E, Park J, Giri SS, Kwon J, Kim SW, Kang JW, Lee SB, Jung WJ, Lee YM, Cho K, Park SC. The Bacteriophage pEp_SNUABM_08 Is a Novel Singleton Siphovirus with High Host Specificity for Erwinia pyrifoliae. Viruses 2021; 13:1231. [PMID: 34202208 PMCID: PMC8310351 DOI: 10.3390/v13071231] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2021] [Revised: 06/18/2021] [Accepted: 06/24/2021] [Indexed: 01/16/2023] Open
Abstract
Species belonging to the genus Erwinia are predominantly plant pathogens. A number of bacteriophages capable of infecting Erwinia have been used for the control of plant diseases such as fire blight. Public repositories provide the complete genome information for such phages, which includes genomes ranging from 30 kb to 350 kb in size. However, limited information is available regarding bacteriophages belonging to the family Siphoviridae. A novel lytic siphophage, pEp_SNUABM_08, which specifically infects Erwinia pyrifoliae, was isolated from the soil of an affected apple orchard in South Korea. A comprehensive genome analysis was performed using the Erwinia-infecting siphophage. The whole genome of pEp_SNUABM_08 comprised 62,784 bp (GC content, 57.24%) with 79 open reading frames. The genomic characteristics confirmed that pEp_SNUABM_08 is a singleton lytic bacteriophage belonging to the family Siphoviridae, and no closely related phages have been reported thus far. Our study not only characterized a unique phage, but also provides insight into the genetic diversity of Erwinia bacteriophages.
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Affiliation(s)
- Sang Guen Kim
- Laboratory of Aquatic Biomedicine, College of Veterinary Medicine and Research Institute for Veterinary Science, Seoul National University, Seoul 08826, Korea; (S.G.K.); (S.S.G.); (J.K.); (S.W.K.); (J.W.K.); (S.B.L.); (W.J.J.); (Y.M.L.); (K.C.)
| | - Eunjung Roh
- Crop Protection Division, National Institute of Agriculture Sciences, Rural Development Administration, Wanju 55365, Korea; (E.R.); (J.P.)
| | - Jungkum Park
- Crop Protection Division, National Institute of Agriculture Sciences, Rural Development Administration, Wanju 55365, Korea; (E.R.); (J.P.)
| | - Sib Sankar Giri
- Laboratory of Aquatic Biomedicine, College of Veterinary Medicine and Research Institute for Veterinary Science, Seoul National University, Seoul 08826, Korea; (S.G.K.); (S.S.G.); (J.K.); (S.W.K.); (J.W.K.); (S.B.L.); (W.J.J.); (Y.M.L.); (K.C.)
| | - Jun Kwon
- Laboratory of Aquatic Biomedicine, College of Veterinary Medicine and Research Institute for Veterinary Science, Seoul National University, Seoul 08826, Korea; (S.G.K.); (S.S.G.); (J.K.); (S.W.K.); (J.W.K.); (S.B.L.); (W.J.J.); (Y.M.L.); (K.C.)
| | - Sang Wha Kim
- Laboratory of Aquatic Biomedicine, College of Veterinary Medicine and Research Institute for Veterinary Science, Seoul National University, Seoul 08826, Korea; (S.G.K.); (S.S.G.); (J.K.); (S.W.K.); (J.W.K.); (S.B.L.); (W.J.J.); (Y.M.L.); (K.C.)
| | - Jeong Woo Kang
- Laboratory of Aquatic Biomedicine, College of Veterinary Medicine and Research Institute for Veterinary Science, Seoul National University, Seoul 08826, Korea; (S.G.K.); (S.S.G.); (J.K.); (S.W.K.); (J.W.K.); (S.B.L.); (W.J.J.); (Y.M.L.); (K.C.)
| | - Sung Bin Lee
- Laboratory of Aquatic Biomedicine, College of Veterinary Medicine and Research Institute for Veterinary Science, Seoul National University, Seoul 08826, Korea; (S.G.K.); (S.S.G.); (J.K.); (S.W.K.); (J.W.K.); (S.B.L.); (W.J.J.); (Y.M.L.); (K.C.)
| | - Won Joon Jung
- Laboratory of Aquatic Biomedicine, College of Veterinary Medicine and Research Institute for Veterinary Science, Seoul National University, Seoul 08826, Korea; (S.G.K.); (S.S.G.); (J.K.); (S.W.K.); (J.W.K.); (S.B.L.); (W.J.J.); (Y.M.L.); (K.C.)
| | - Young Min Lee
- Laboratory of Aquatic Biomedicine, College of Veterinary Medicine and Research Institute for Veterinary Science, Seoul National University, Seoul 08826, Korea; (S.G.K.); (S.S.G.); (J.K.); (S.W.K.); (J.W.K.); (S.B.L.); (W.J.J.); (Y.M.L.); (K.C.)
| | - Kevin Cho
- Laboratory of Aquatic Biomedicine, College of Veterinary Medicine and Research Institute for Veterinary Science, Seoul National University, Seoul 08826, Korea; (S.G.K.); (S.S.G.); (J.K.); (S.W.K.); (J.W.K.); (S.B.L.); (W.J.J.); (Y.M.L.); (K.C.)
| | - Se Chang Park
- Laboratory of Aquatic Biomedicine, College of Veterinary Medicine and Research Institute for Veterinary Science, Seoul National University, Seoul 08826, Korea; (S.G.K.); (S.S.G.); (J.K.); (S.W.K.); (J.W.K.); (S.B.L.); (W.J.J.); (Y.M.L.); (K.C.)
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34
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Moses S, Aftalion M, Mamroud E, Rotem S, Steinberger-Levy I. Reporter-Phage-Based Detection and Antibiotic Susceptibility Testing of Yersinia pestis for a Rapid Plague Outbreak Response. Microorganisms 2021; 9:1278. [PMID: 34208306 PMCID: PMC8231171 DOI: 10.3390/microorganisms9061278] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2021] [Revised: 06/03/2021] [Accepted: 06/07/2021] [Indexed: 12/12/2022] Open
Abstract
Pneumonic plague is a lethal infectious disease caused by Yersinia pestis, a Tier-1 biothreat agent. Antibiotic treatment can save infected patients; however, therapy should begin within 24 h of symptom onset. As some Y. pestis strains showed an antibiotic resistance phenotype, an antibiotic susceptibility test (AST) must be performed. Performing the Clinical and Laboratory Standards Institute (CLSI)-recommended standard process, which includes bacterial isolation, enumeration and microdilution testing, lasts several days. Thus, rapid AST must be developed. As previously published, the Y. pestis-specific reporter phage ϕA1122::luxAB can serve for rapid identification and AST (ID-AST). Herein, we demonstrate the ability to use ϕA1122::luxAB to determine minimal inhibitory concentration (MIC) values and antibiotic susceptibility categories for various Y. pestis therapeutic antibiotics. We confirmed the assay by testing several nonvirulent Y. pestis isolates with reduced susceptibility to doxycycline or ciprofloxacin. Moreover, the assay can be performed directly on positive human blood cultures. Furthermore, as Y. pestis may naturally or deliberately be spread in the environment, we demonstrate the compatibility of this direct method for this scenario. This direct phage-based ID-AST shortens the time needed for standard AST to less than a day, enabling rapid and correct treatment, which may also prevent the spread of the disease.
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Affiliation(s)
| | | | | | | | - Ida Steinberger-Levy
- Department of Biochemistry and Molecular Genetics, The Israel Institute for Biological Research, Ness-Ziona 74100, Israel; (S.M.); (M.A.); (E.M.); (S.R.)
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35
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Abraha HB, Kim K, Sbhatu DB. Bacteriophages for detection and control of foodborne bacterial pathogens—The case of
Bacillus cereus
and their phages. J Food Saf 2021. [DOI: 10.1111/jfs.12906] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Haftom Baraki Abraha
- Department of Food Science and Technology Jeonbuk National University Jeonju Republic of Korea
| | - Kwang‐Pyo Kim
- Department of Food Science and Technology Jeonbuk National University Jeonju Republic of Korea
- Department of Agricultural Convergence Technology Collage of Agriculture and Life Sciences, Jeonbuk National University Jeonju Republic of Korea
| | - Desta Berhe Sbhatu
- Department of Biological and Chemical Engineering Mekelle Institute of Technology, Mekelle University Mekelle Ethiopia
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36
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Hassan AY, Lin JT, Ricker N, Anany H. The Age of Phage: Friend or Foe in the New Dawn of Therapeutic and Biocontrol Applications? Pharmaceuticals (Basel) 2021; 14:199. [PMID: 33670836 PMCID: PMC7997343 DOI: 10.3390/ph14030199] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2021] [Revised: 02/22/2021] [Accepted: 02/25/2021] [Indexed: 02/07/2023] Open
Abstract
Extended overuse and misuse of antibiotics and other antibacterial agents has resulted in an antimicrobial resistance crisis. Bacteriophages, viruses that infect bacteria, have emerged as a legitimate alternative antibacterial agent with a wide scope of applications which continue to be discovered and refined. However, the potential of some bacteriophages to aid in the acquisition, maintenance, and dissemination of negatively associated bacterial genes, including resistance and virulence genes, through transduction is of concern and requires deeper understanding in order to be properly addressed. In particular, their ability to interact with mobile genetic elements such as plasmids, genomic islands, and integrative conjugative elements (ICEs) enables bacteriophages to contribute greatly to bacterial evolution. Nonetheless, bacteriophages have the potential to be used as therapeutic and biocontrol agents within medical, agricultural, and food processing settings, against bacteria in both planktonic and biofilm environments. Additionally, bacteriophages have been deployed in developing rapid, sensitive, and specific biosensors for various bacterial targets. Intriguingly, their bioengineering capabilities show great promise in improving their adaptability and effectiveness as biocontrol and detection tools. This review aims to provide a balanced perspective on bacteriophages by outlining advantages, challenges, and future steps needed in order to boost their therapeutic and biocontrol potential, while also providing insight on their potential role in contributing to bacterial evolution and survival.
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Affiliation(s)
- Ahmad Y. Hassan
- Guelph Research and Development Centre, Agriculture and Agri-Food Canada, Guelph, ON N1G 5C9, Canada;
- Department of Molecular and Cellular Biology, College of Biological Science, University of Guelph, Guelph, ON N1G 2W1, Canada;
| | - Janet T. Lin
- Department of Molecular and Cellular Biology, College of Biological Science, University of Guelph, Guelph, ON N1G 2W1, Canada;
| | - Nicole Ricker
- Department of Pathobiology, Ontario Veterinary College, University of Guelph, Guelph, ON N1G 2W1, Canada;
| | - Hany Anany
- Guelph Research and Development Centre, Agriculture and Agri-Food Canada, Guelph, ON N1G 5C9, Canada;
- Department of Food Science, Ontario Agricultural College, University of Guelph, Guelph, ON N1G 2W1, Canada
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Sozhamannan S, Hofmann ER. The State of the Art in Biodefense Related Bacterial Pathogen Detection Using Bacteriophages: How It Started and How It's Going. Viruses 2020; 12:v12121393. [PMID: 33291831 PMCID: PMC7762055 DOI: 10.3390/v12121393] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2020] [Revised: 11/23/2020] [Accepted: 12/01/2020] [Indexed: 02/07/2023] Open
Abstract
Accurate pathogen detection and diagnosis is paramount in clinical success of treating patients. There are two general paradigms in pathogen detection: molecular and immuno-based, and phage-based detection is a third emerging paradigm due to its sensitivity and selectivity. Molecular detection methods look for genetic material specific for a given pathogen in a sample usually by polymerase chain reaction (PCR). Immuno-methods look at the pathogen components (antigens) by antibodies raised against that pathogen specific antigens. There are different variations and products based on these two paradigms with advantages and disadvantages. The third paradigm at least for bacterial pathogen detection entails bacteriophages specific for a given bacterium. Sensitivity and specificity are the two key parameters in any pathogen detection system. By their very nature, bacteriophages afford the best sensitivity for bacterial detection. Bacteria and bacteriophages form the predator-prey pair in the evolutionary arms race and has coevolved over time to acquire the exquisite specificity of the pair, in some instances at the strain level. This specificity has been exploited for diagnostic purposes of various pathogens of concern in clinical and other settings. Many recent reviews focus on phage-based detection and sensor technologies. In this review, we focus on a very special group of pathogens that are of concern in biodefense because of their potential misuse in bioterrorism and their extremely virulent nature and as such fall under the Centers for Disease and Prevention (CDC) Category A pathogen list. We describe the currently available phage methods that are based on the usual modalities of detection from culture, to molecular and immuno- and fluorescent methods. We further highlight the gaps and the needs for more modern technologies and sensors drawing from technologies existing for detection and surveillance of other pathogens of clinical relevance.
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Affiliation(s)
- Shanmuga Sozhamannan
- National Security Science & Technology, Management Advisory Services, Logistics Management Institute, 7940 Jones Branch Drive, Tysons, VA 22102, USA;
- Defense Biological Product Assurance Office (DBPAO), Joint Program Executive Office (JPEO) for Chemical, Biological, Radiological and Nuclear Defense (CBRND) Joint Project Lead (JPL) CBRND Enabling Biotechnologies (EB), 110 Thomas Johnson Drive, Suite 250, Frederick, MD 21702, USA
| | - Edward R. Hofmann
- EXCET, Inc., 6225 Brandon Ave #360, Springfield, VA 22150, USA
- US Army Combat Capabilities Development Command, Chemical Biological Center, 8908 Guard St, E3831, Edgewood, MD 21010, USA
- Correspondence:
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Jones HJ, Shield CG, Swift BM. The Application of Bacteriophage Diagnostics for Bacterial Pathogens in the Agricultural Supply Chain: From Farm-to-Fork. PHAGE (NEW ROCHELLE, N.Y.) 2020; 1:176-188. [PMID: 36147287 PMCID: PMC9041468 DOI: 10.1089/phage.2020.0042] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Bacteriophages (phages) have great potential not only as therapeutics but as diagnostics. Indeed, they have been developed and used to diagnose and detect bacterial infections, primarily in human clinical settings. The ability to rapidly detect and control bacterial pathogens in agriculture is of primary importance to maintain food security, improve animal health, and prevent the passage of zoonotic pathogens into the human population. Culture-based detection methods are often labor-intensive, and require further confirmatory tests, increasing costs and processing times needed for diagnostics. Molecular detection methods such as polymerase chain reaction are commonly used to determine the safety of food, however, a major drawback is their inability to differentiate between viable and nonviable bacterial pathogens in food. Phage diagnostics have been proven to be rapid, capable of identifying viable pathogens and do not require cultivation to detect bacteria. Phage detection takes advantage of the specificity of interaction between phage and their hosts. Furthermore, phage detection is cost effective, which is vitally important in agricultural supply chains where there is a drive to keep costs down to ensure that the cost of food does not increase. The full potential of phage detection/diagnostics is not wholly realized or commercialized. This review explores the current use and potential future scope of phage diagnostics and their application to various bacterial pathogens across agriculture and food supply chains.
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Affiliation(s)
- Helen J. Jones
- Pathobiology and Population Sciences, Royal Veterinary College, Hatfield, United Kingdom
| | - Christopher G. Shield
- Pathobiology and Population Sciences, Royal Veterinary College, Hatfield, United Kingdom
| | - Benjamin M.C. Swift
- Pathobiology and Population Sciences, Royal Veterinary College, Hatfield, United Kingdom
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Nanoluciferase Reporter Mycobacteriophage for Sensitive and Rapid Detection of Mycobacterium tuberculosis Drug Susceptibility. J Bacteriol 2020; 202:JB.00411-20. [PMID: 32900827 PMCID: PMC7585058 DOI: 10.1128/jb.00411-20] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2020] [Accepted: 09/01/2020] [Indexed: 01/02/2023] Open
Abstract
Mycobacterium tuberculosis, the causative agent of tuberculosis disease, remains a public health crisis on a global scale, and development of new interventions and identification of drug resistance are pillars in the World Health Organization End TB Strategy. Leveraging the tractability of the TM4 mycobacteriophage and the sensitivity of the nanoluciferase reporter enzyme, the present work describes an evolution of phage-mediated detection and drug susceptibility testing of M. tuberculosis, adding a valuable tool in drug discovery and basic biology research. With additional validation, this system may play a role as a quantitative phenotypic reference method and complement to genotypic methods for diagnosis and antibiotic susceptibility testing. Phenotypic testing for drug susceptibility of Mycobacterium tuberculosis is critical to basic research and managing the evolving problem of antimicrobial resistance in tuberculosis management, but it remains a specialized technique to which access is severely limited. Here, we report on the development and validation of an improved phage-mediated detection system for M. tuberculosis. We incorporated a nanoluciferase (Nluc) reporter gene cassette into the TM4 mycobacteriophage genome to create phage TM4-nluc. We assessed the performance of this reporter phage in the context of cellular limit of detection and drug susceptibility testing using multiple biosafety level 2 drug-sensitive and -resistant auxotrophs as well as virulent M. tuberculosis strains. For both limit of detection and drug susceptibility testing, we developed a standardized method consisting of a 96-hour cell preculture followed by a 72-hour experimental window for M. tuberculosis detection with or without antibiotic exposure. The cellular limit of detection of M. tuberculosis in a 96-well plate batch culture was ≤102 CFU. Consistent with other phenotypic methods for drug susceptibility testing, we found TM4-nluc to be compatible with antibiotics representing multiple classes and mechanisms of action, including inhibition of core central dogma functions, cell wall homeostasis, metabolic inhibitors, compounds currently in clinical trials (SQ109 and Q203), and susceptibility testing for bedaquiline, pretomanid, and linezolid (components of the BPaL regimen for the treatment of multi- and extensively drug-resistant tuberculosis). Using the same method, we accurately identified rifampin-resistant and multidrug-resistant M. tuberculosis strains. IMPORTANCEMycobacterium tuberculosis, the causative agent of tuberculosis disease, remains a public health crisis on a global scale, and development of new interventions and identification of drug resistance are pillars in the World Health Organization End TB Strategy. Leveraging the tractability of the TM4 mycobacteriophage and the sensitivity of the nanoluciferase reporter enzyme, the present work describes an evolution of phage-mediated detection and drug susceptibility testing of M. tuberculosis, adding a valuable tool in drug discovery and basic biology research. With additional validation, this system may play a role as a quantitative phenotypic reference method and complement to genotypic methods for diagnosis and antibiotic susceptibility testing.
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