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Wang J, Zheng Y, Huang H, Ma Y, Zhao X. An overview of signal amplification strategies and construction methods on phage-based biosensors. Food Res Int 2024; 191:114727. [PMID: 39059923 DOI: 10.1016/j.foodres.2024.114727] [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: 04/22/2024] [Revised: 06/12/2024] [Accepted: 07/02/2024] [Indexed: 07/28/2024]
Abstract
Phages are a class of viruses that specifically infect host bacteria. Compared to other recognition elements, phages offer several advantages such as high specificity, easy to obtain and good environmental tolerance, etc. These advantages underscore the potential of phages as recognition elements in the construction of biosensors. Therefore, the phage-based biosensors are currently garnering widespread attention for detecting pathogens in recent years. However, the test performance such as detection limit, sensitivity and stability of exicting phage-based biosensors require enhancement. In the design of sensors, the selection of various materials and construction methods significantly influences the test performance of the sensor, and employing appropriate signal amplification strategies and construction methods to devise biosensors based on different principles is an effective strategy to enhance sensor performance. The manuscript primarily focuses on the signal amplification strategies and construction methods employed in phage-based biosensors recent ten years, and summarizes the advantages and disadvantages of different signal amplification strategies and construction methods. Meanwhile, the manuscript discusses the relationship between sensor performance and various materials and construction methods, and reviews the application progress of phage-based electrochemical biosensors in the detection of foodborne bacteria. Furthermore, the manuscript points out the present limitations and the future research direction for the field of phage-based biosensors, so as to provide the reference for developing high-performance phage-based biosensors.
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Affiliation(s)
- Jiahao Wang
- College of Light Industry and Food Science, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, China.
| | - Yuqing Zheng
- College of Light Industry and Food Science, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, China.
| | - Hongkai Huang
- College of Light Industry and Food Science, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, China.
| | - Ya Ma
- College of Light Industry and Food Science, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, China; Key Laboratory of Green Processing and Intelligent Manufacturing of Lingnan Specialty Food, Ministry of Agriculture, Guangdong Provincial Key Laboratory of Lingnan Specialty Food Science and Technology, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, China.
| | - Xiaojuan Zhao
- College of Light Industry and Food Science, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, China; Key Laboratory of Green Processing and Intelligent Manufacturing of Lingnan Specialty Food, Ministry of Agriculture, Guangdong Provincial Key Laboratory of Lingnan Specialty Food Science and Technology, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, China.
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2
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Yerushalmy O, Braunstein R, Alkalay-Oren S, Rimon A, Coppenhagn-Glazer S, Onallah H, Nir-Paz R, Hazan R. Towards Standardization of Phage Susceptibility Testing: The Israeli Phage Therapy Center "Clinical Phage Microbiology"-A Pipeline Proposal. Clin Infect Dis 2023; 77:S337-S351. [PMID: 37932122 DOI: 10.1093/cid/ciad514] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2023] Open
Abstract
Using phages as salvage therapy for nonhealing infections is gaining recognition as a viable solution for patients with such infections. The escalating issue of antibiotic resistance further emphasizes the significance of using phages in treating bacterial infections, encompassing compassionate-use scenarios and clinical trials. Given the high specificity of phages, selecting the suitable phage(s) targeting the causative bacteria becomes critical for achieving treatment success. However, in contrast to conventional antibiotics, where susceptibility-testing procedures were well established for phage therapy, there is a lack of standard frameworks for matching phages from a panel to target bacterial strains and assessing their interactions with antibiotics or other agents. This review discusses and compares published methods for clinical phage microbiology, also known as phage susceptibility testing, and proposes guidelines for establishing a standard pipeline based on our findings over the past 5 years of phage therapy at the Israeli Phage Therapy Center.
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Affiliation(s)
- Ortal Yerushalmy
- The Israeli Phage Therapy Center (IPTC) of Hadassah Medical Center and the Hebrew University, Jerusalem, Israel
- Faculty of Dental Medicine, Institute of Biomedical and Oral Research (IBOR), The Hebrew University of Jerusalem, Jerusalem, Israel
| | - Ron Braunstein
- The Israeli Phage Therapy Center (IPTC) of Hadassah Medical Center and the Hebrew University, Jerusalem, Israel
- Faculty of Dental Medicine, Institute of Biomedical and Oral Research (IBOR), The Hebrew University of Jerusalem, Jerusalem, Israel
| | - Sivan Alkalay-Oren
- The Israeli Phage Therapy Center (IPTC) of Hadassah Medical Center and the Hebrew University, Jerusalem, Israel
- Faculty of Dental Medicine, Institute of Biomedical and Oral Research (IBOR), The Hebrew University of Jerusalem, Jerusalem, Israel
- The Faculty of Medicine, The Hebrew University of Jerusalem, Jerusalem, Israel
| | - Amit Rimon
- The Israeli Phage Therapy Center (IPTC) of Hadassah Medical Center and the Hebrew University, Jerusalem, Israel
- Faculty of Dental Medicine, Institute of Biomedical and Oral Research (IBOR), The Hebrew University of Jerusalem, Jerusalem, Israel
| | - Shunit Coppenhagn-Glazer
- The Israeli Phage Therapy Center (IPTC) of Hadassah Medical Center and the Hebrew University, Jerusalem, Israel
- Faculty of Dental Medicine, Institute of Biomedical and Oral Research (IBOR), The Hebrew University of Jerusalem, Jerusalem, Israel
| | - Hadil Onallah
- The Israeli Phage Therapy Center (IPTC) of Hadassah Medical Center and the Hebrew University, Jerusalem, Israel
- Department of Clinical Microbiology and Infectious Diseases, Hadassah-Hebrew University Medical Center, Jerusalem, Israel
| | - Ran Nir-Paz
- The Israeli Phage Therapy Center (IPTC) of Hadassah Medical Center and the Hebrew University, Jerusalem, Israel
- The Faculty of Medicine, The Hebrew University of Jerusalem, Jerusalem, Israel
- Department of Clinical Microbiology and Infectious Diseases, Hadassah-Hebrew University Medical Center, Jerusalem, Israel
| | - Ronen Hazan
- The Israeli Phage Therapy Center (IPTC) of Hadassah Medical Center and the Hebrew University, Jerusalem, Israel
- Faculty of Dental Medicine, Institute of Biomedical and Oral Research (IBOR), The Hebrew University of Jerusalem, Jerusalem, Israel
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3
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Usman SS, Uba AI, Christina E. Bacteriophage genome engineering for phage therapy to combat bacterial antimicrobial resistance as an alternative to antibiotics. Mol Biol Rep 2023; 50:7055-7067. [PMID: 37392288 DOI: 10.1007/s11033-023-08557-4] [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: 04/04/2023] [Accepted: 05/30/2023] [Indexed: 07/03/2023]
Abstract
Bacteriophages (phages) are viruses that mainly infect bacteria and are ubiquitously distributed in nature, especially to their host. Phage engineering involves nucleic acids manipulation of phage genome for antimicrobial activity directed against pathogens through the applications of molecular biology techniques such as synthetic biology methods, homologous recombination, CRISPY-BRED and CRISPY-BRIP recombineering, rebooting phage-based engineering, and targeted nucleases including CRISPR/Cas9, zinc-finger nucleases (ZFNs) and transcription activator-like effector nucleases (TALENs). Management of bacteria is widely achieved using antibiotics whose mechanism of action has been shown to target both the genetic dogma and the metabolism of pathogens. However, the overuse of antibiotics has caused the emergence of multidrug-resistant (MDR) bacteria which account for nearly 5 million deaths as of 2019 thereby posing threats to the public health sector, particularly by 2050. Lytic phages have drawn attention as a strong alternative to antibiotics owing to the promising efficacy and safety of phage therapy in various models in vivo and human studies. Therefore, harnessing phage genome engineering methods, particularly CRISPR/Cas9 to overcome the limitations such as phage narrow host range, phage resistance or any potential eukaryotic immune response for phage-based enzymes/proteins therapy may designate phage therapy as a strong alternative to antibiotics for combatting bacterial antimicrobial resistance (AMR). Here, the current trends and progress in phage genome engineering techniques and phage therapy are reviewed.
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Affiliation(s)
- Sani Sharif Usman
- Department of Molecular Biology and Genetic Engineering, School of Bioengineering and Biosciences, Lovely Professional University, Jalandhar-Delhi G.T. Road, Phagwara, 144401, Punjab, India
- Department of Biological Sciences, Faculty of Science, Federal University of Kashere, P.M.B. 0182, Gombe, Nigeria
| | - Abdullahi Ibrahim Uba
- Department of Molecular Biology and Genetics, Istanbul AREL University, 34537, Istanbul, Türkiye
| | - Evangeline Christina
- Department of Molecular Biology and Genetic Engineering, School of Bioengineering and Biosciences, Lovely Professional University, Jalandhar-Delhi G.T. Road, Phagwara, 144401, Punjab, India.
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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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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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Kim H, Jang JH, Jung IY, Cho JH. A Novel Peptide as a Specific and Selective Probe for Klebsiella pneumoniae Detection. BIOSENSORS 2022; 12:bios12030153. [PMID: 35323423 PMCID: PMC8946155 DOI: 10.3390/bios12030153] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/25/2022] [Revised: 02/25/2022] [Accepted: 02/28/2022] [Indexed: 11/25/2022]
Abstract
Klebsiella pneumoniae is infamous for generating hospital-acquired infections, many of which are difficult to treat due to the bacterium’s multidrug resistance. A sensitive and robust detection method of K. pneumoniae can help prevent a disease outbreak. Herein, we used K. pneumoniae cells as bait to screen a commercially available phage-displayed random peptide library for peptides that could be used to detect K. pneumoniae. The biopanning-derived peptide TSATKFMMNLSP, named KP peptide, displayed a high selectivity for the K. pneumoniae with low cross-reactivity to related Gram-negative bacteria. The specific interaction between KP peptide and K. pneumoniae lipopolysaccharide resulted in the peptide’s selectivity against K. pneumoniae. Quantitative analysis of this interaction by enzyme-linked immunosorbent assay revealed that the KP peptide possessed higher specificity and sensitivity toward K. pneumoniae than commercially available anti-Klebsiella spp. antibodies and could detect K. pneumoniae at a detection limit of 104 CFU/mL. These results suggest that KP peptide can be a promising alternative to antibodies in developing a biosensor system for K. pneumoniae detection.
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Affiliation(s)
- Hyun Kim
- Research Institute of Life Sciences, Gyeongsang National University, Jinju 52828, Korea; (H.K.); (J.H.J.)
| | - Ju Hye Jang
- Research Institute of Life Sciences, Gyeongsang National University, Jinju 52828, Korea; (H.K.); (J.H.J.)
| | - In Young Jung
- Division of Applied Life Science (BK21Four), Gyeongsang National University, Jinju 52828, Korea;
| | - Ju Hyun Cho
- Research Institute of Life Sciences, Gyeongsang National University, Jinju 52828, Korea; (H.K.); (J.H.J.)
- Division of Applied Life Science (BK21Four), Gyeongsang National University, Jinju 52828, Korea;
- Division of Life Science, Gyeongsang National University, Jinju 52828, Korea
- Correspondence: ; Tel.: +82-55-772-1347; Fax: +82-55-772-1349
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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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