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Bisen M, Kharga K, Mehta S, Jabi N, Kumar L. Bacteriophages in nature: recent advances in research tools and diverse environmental and biotechnological applications. Environ Sci Pollut Res Int 2024; 31:22199-22242. [PMID: 38411907 DOI: 10.1007/s11356-024-32535-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/16/2023] [Accepted: 02/15/2024] [Indexed: 02/28/2024]
Abstract
Bacteriophages infect and replicate within bacteria and play a key role in the environment, particularly in microbial ecosystems and bacterial population dynamics. The increasing recognition of their significance stems from their wide array of environmental and biotechnological uses, which encompass the mounting issue of antimicrobial resistance (AMR). Beyond their therapeutic potential in combating antibiotic-resistant infections, bacteriophages also find vast applications such as water quality monitoring, bioremediation, and nutrient cycling within environmental sciences. Researchers are actively involved in isolating and characterizing bacteriophages from different natural sources to explore their applications. Gaining insights into key aspects such as the life cycle of bacteriophages, their host range, immune interactions, and physical stability is vital to enhance their application potential. The establishment of diverse phage libraries has become indispensable to facilitate their wide-ranging uses. Consequently, numerous protocols, ranging from traditional to cutting-edge techniques, have been developed for the isolation, detection, purification, and characterization of bacteriophages from diverse environmental sources. This review offers an exploration of tools, delves into the methods of isolation, characterization, and the extensive environmental applications of bacteriophages, particularly in areas like water quality assessment, the food sector, therapeutic interventions, and the phage therapy in various infections and diseases.
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Affiliation(s)
- Monish Bisen
- School of Biotechnology, Faculty of Applied Sciences and Biotechnology, Shoolini University, Solan, Himachal Pradesh, 173229, India
| | - Kusum Kharga
- School of Biotechnology, Faculty of Applied Sciences and Biotechnology, Shoolini University, Solan, Himachal Pradesh, 173229, India
| | - Sakshi Mehta
- School of Biotechnology, Faculty of Applied Sciences and Biotechnology, Shoolini University, Solan, Himachal Pradesh, 173229, India
| | - Nashra Jabi
- School of Biotechnology, Faculty of Applied Sciences and Biotechnology, Shoolini University, Solan, Himachal Pradesh, 173229, India
| | - Lokender Kumar
- School of Biotechnology, Faculty of Applied Sciences and Biotechnology, Shoolini University, Solan, Himachal Pradesh, 173229, India.
- Cancer Biology Laboratory, Raj Khosla Centre for Cancer Research, Shoolini University, Himachal Pradesh, Solan, 173229, India.
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Roberts SM, Aldis M, Wright ET, Gonzales CB, Lai Z, Weintraub ST, Hardies SC, Serwer P. Siphophage 0105phi7-2 of Bacillus thuringiensis: Novel Propagation, DNA, and Genome-Implied Assembly. Int J Mol Sci 2023; 24:ijms24108941. [PMID: 37240285 DOI: 10.3390/ijms24108941] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2023] [Revised: 05/09/2023] [Accepted: 05/11/2023] [Indexed: 05/28/2023] Open
Abstract
Diversity of phage propagation, physical properties, and assembly promotes the use of phages in ecological studies and biomedicine. However, observed phage diversity is incomplete. Bacillus thuringiensis siphophage, 0105phi-7-2, first described here, significantly expands known phage diversity, as seen via in-plaque propagation, electron microscopy, whole genome sequencing/annotation, protein mass spectrometry, and native gel electrophoresis (AGE). Average plaque diameter vs. plaque-supporting agarose gel concentration plots reveal unusually steep conversion to large plaques as agarose concentration decreases below 0.2%. These large plaques sometimes have small satellites and are made larger by orthovanadate, an ATPase inhibitor. Phage head-host-cell binding is observed by electron microscopy. We hypothesize that this binding causes plaque size-increase via biofilm evolved, ATP stimulated ride-hitching on motile host cells by temporarily inactive phages. Phage 0105phi7-2 does not propagate in liquid culture. Genomic sequencing/annotation reveals history as temperate phage and distant similarity, in a virion-assembly gene cluster, to prototypical siphophage SPP1 of Bacillus subtilis. Phage 0105phi7-2 is distinct in (1) absence of head-assembly scaffolding via either separate protein or classically sized, head protein-embedded peptide, (2) producing partially condensed, head-expelled DNA, and (3) having a surface relatively poor in AGE-detected net negative charges, which is possibly correlated with observed low murine blood persistence.
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Affiliation(s)
- Samantha M Roberts
- Department of Microbiology, Immunology and Molecular Genetics, UT Health, San Antonio, TX 78229, USA
| | - Miranda Aldis
- Department of Microbiology, Immunology and Molecular Genetics, UT Health, San Antonio, TX 78229, USA
| | - Elena T Wright
- Department of Biochemistry and Structural Biology, UT Health, San Antonio, TX 78229, USA
| | - Cara B Gonzales
- Department of Comprehensive Dentistry, UT Health, San Antonio, TX 78229, USA
| | - Zhao Lai
- Department of Molecular Medicine, UT Health, San Antonio, TX 78229, USA
| | - Susan T Weintraub
- Department of Biochemistry and Structural Biology, UT Health, San Antonio, TX 78229, USA
| | - Stephen C Hardies
- Department of Biochemistry and Structural Biology, UT Health, San Antonio, TX 78229, USA
| | - Philip Serwer
- Department of Biochemistry and Structural Biology, UT Health, San Antonio, TX 78229, USA
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Abedon ST. Bacteriophage Adsorption: Likelihood of Virion Encounter with Bacteria and Other Factors Affecting Rates. Antibiotics (Basel) 2023; 12:723. [PMID: 37107086 PMCID: PMC10135360 DOI: 10.3390/antibiotics12040723] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2023] [Revised: 03/29/2023] [Accepted: 04/05/2023] [Indexed: 04/29/2023] Open
Abstract
For ideal gasses, the likelihood of collision of two molecules is a function of concentrations as well as environmental factors such as temperature. This too is the case for particles diffusing within liquids. Two such particles are bacteria and their viruses, the latter called bacteriophages or phages. Here, I review the basic process of predicting the likelihoods of phage collision with bacteria. This is a key step governing rates of phage-virion adsorption to their bacterial hosts, thereby underlying a large fraction of the potential for a given phage concentration to affect a susceptible bacterial population. Understanding what can influence those rates is very relevant to appreciating both phage ecology and the phage therapy of bacterial infections, i.e., where phages are used to augment or replace antibiotics; so too adsorption rates are highly important for predicting the potential for phage-mediated biological control of environmental bacteria. Particularly emphasized here, however, are numerous complications on phage adsorption rates beyond as dictated by the ideals of standard adsorption theory. These include movements other than due to diffusion, various hindrances to diffusive movement, and the influence of assorted heterogeneities. Considered chiefly are the biological consequences of these various phenomena rather than their mathematical underpinnings.
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Zaki BM, Mohamed AA, Dawoud A, Essam K, Hammouda ZK, Abdelsattar AS, El-Shibiny A. Isolation, screening and characterization of phage. Prog Mol Biol Transl Sci 2023; 200:13-60. [PMID: 37739553 DOI: 10.1016/bs.pmbts.2023.03.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/24/2023]
Abstract
Bacterial resistance threatens public health due to a lack of novel antibacterial classes since the 21st century. Bacteriophages, the most ubiquitous microorganism on Earth and natural predators of bacteria, have the potential to save the world from the post-antibiotic era. Therefore, phage isolation and characterization are in high demand to find suitable phages for therapeutic and bacterial control applications. The chapter presents brief guidance supported by recommendations on the isolation of phages, and initial screening of phage antimicrobial efficacy, in addition to, conducting comprehensive characterization addressing morphological, biological, genomic, and taxonomic features.
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Affiliation(s)
- Bishoy Maher Zaki
- Center for Microbiology and Phage Therapy, Zewail City of Science and Technology, Giza, Egypt; Microbiology and Immunology Department, Faculty of Pharmacy, October University for Modern Sciences and Arts (MSA), Giza, Egypt
| | - Amira A Mohamed
- Center for Microbiology and Phage Therapy, Zewail City of Science and Technology, Giza, Egypt
| | - Alyaa Dawoud
- Center for Microbiology and Phage Therapy, Zewail City of Science and Technology, Giza, Egypt; Biochemistry Department, Faculty of Pharmacy and Biotechnology, German University in Cairo, Cairo, Egypt
| | - Kareem Essam
- Center for Microbiology and Phage Therapy, Zewail City of Science and Technology, Giza, Egypt
| | - Zainab K Hammouda
- Microbiology and Immunology Department, Faculty of Pharmacy, October University for Modern Sciences and Arts (MSA), Giza, Egypt
| | - Abdallah S Abdelsattar
- Center for Microbiology and Phage Therapy, Zewail City of Science and Technology, Giza, Egypt
| | - Ayman El-Shibiny
- Center for Microbiology and Phage Therapy, Zewail City of Science and Technology, Giza, Egypt; Faculty of Environmental Agricultural Sciences, Arish University, Arish, Egypt
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Peters DL, Harris G, Davis CM, Dennis JJ, Chen W. Bacteriophage Isolation, Purification, and Characterization Techniques Against Ubiquitous Opportunistic Pathogens. Curr Protoc 2022; 2:e594. [PMID: 36383057 DOI: 10.1002/cpz1.594] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Healthcare-associated infection with "ESKAPE" pathogens (Enterococcus faecium, Staphylococcus aureus, Klebsiella pneumoniae, Acinetobacter baumannii, Pseudomonas aeruginosa, and Enterobacter species) is a global health crisis due to their extensive intrinsic antibiotic resistance and the ability to quickly acquire resistance determinants. Alternative treatment options are required to combat this crisis, and one possibility is the use of bacteriophages, or viruses that strictly infect the pathogenic bacteria. Currently, there is a renaissance in research and development into the use of phages to target multi-, extensively, and pan-resistant bacterial infections in humans, known as phage therapy. Using A. baumannii as an example, this article describes the isolation and purification of bacteriophages from sewage and soil samples, as well as general methods used in phage research such as precipitation of phages using polyethylene glycol, host range analysis, single-cell burst size determination, DNA extraction, and restriction fragment length polymorphism analysis. © 2022 National Research Council Canada. Current Protocols © 2022 Wiley Periodicals LLC. Reproduced with the permission of the Minister of Innovation, Science, and Industry. Basic Protocol 1: Isolation of bacteriophages against A. baumannii from sewage samples Alternate Protocol 1: Isolation of bacteriophages against A. baumannii from soil samples Support Protocol 1: Titering a bacteriophage stock Basic Protocol 2: Purification of phage to an axenic working stock Support Protocol 2: Liquid propagation of bacteriophage Basic Protocol 3: Host range analysis using the spot plate method Basic Protocol 4: Single burst size analysis Alternate Protocol 2: One-step growth curve Basic Protocol 5: Precipitation of bacteriophage using PEG 6000 Basic Protocol 6: DNA extraction from dsDNA bacteriophages Basic Protocol 7: Restriction fragment length polymorphism analysis of novel phage genomes.
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Affiliation(s)
- Danielle L Peters
- Human Health Therapeutics (HHT), National Research Council Canada, Ottawa, Ontario, Canada
| | - Greg Harris
- Human Health Therapeutics (HHT), National Research Council Canada, Ottawa, Ontario, Canada
| | - Carly M Davis
- Human Health Therapeutics (HHT), National Research Council Canada, Ottawa, Ontario, Canada
- Biological Sciences, University of Alberta, Edmonton, Alberta, Canada
| | - Jonathan J Dennis
- Biological Sciences, University of Alberta, Edmonton, Alberta, Canada
| | - Wangxue Chen
- Human Health Therapeutics (HHT), National Research Council Canada, Ottawa, Ontario, Canada
- Department of Biology, Brock University, St. Catharines, Ontario, Canada
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Uchiyama J, Takemura-Uchiyama I, Gotoh K, Kato SI, Sakaguchi Y, Murakami H, Fukuyama T, Kaneki M, Matsushita O, Matsuzaki S. Phylogenic analysis of new viral cluster of large phages with unusual DNA genomes containing uracil in place of thymine in gene-sharing network, using phages S6 and PBS1 and relevant uncultured phages derived from sewage metagenomics. Virus Res 2022; 319:198881. [PMID: 35934259 DOI: 10.1016/j.virusres.2022.198881] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2022] [Revised: 06/28/2022] [Accepted: 07/28/2022] [Indexed: 11/19/2022]
Abstract
Bacteriophages (phages) are the most diverse and abundant life-form on Earth. Jumbophages are phages with double-stranded DNA genomes longer than 200 kbp. Among these, some jumbophages with uracil in place of thymine as a nucleic acid base, which we have tentatively termed "dU jumbophages" in this study, have been reported. Because the dU jumbophages are considered to be a living fossil from the RNA world, the evolutionary traits of dU jumbophages are of interest. In this study, we examined the phylogeny of dU jumbophages. First, tBLASTx analysis of newly sequenced dU jumbophages such as Bacillus phage PBS1 and previously isolated Staphylococcus phage S6 showed similarity to the other dU jumbophages. Second, we detected the two partial genome sequences of uncultured phages possibly relevant to dU jumbophages, scaffold_002 and scaffold_007, from wastewater metagenomics. Third, according to the gene-sharing network analysis, the dU jumbophages, including phages PBS1 and S6, and uncultured phage scaffold_002 formed a cluster, which suggested a new viral subfamily/family. Finally, analyses of the phylogenetic relationship with other phages showed that the dU jumbophage cluster, which had two clades of phages infecting Gram-negative and Gram-positive bacteria, diverged from the single ancestral phage. These findings together with previous reports may imply that dU jumbophages evolved from the same origin before divergence of Gram-negative and Gram-positive bacteria.
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Affiliation(s)
- Jumpei Uchiyama
- Department of Bacteriology, Graduate School of Medicine Dentistry and Pharmaceutical Sciences, Okayama University, Okayama 700-8558, Japan.
| | - Iyo Takemura-Uchiyama
- Department of Bacteriology, Graduate School of Medicine Dentistry and Pharmaceutical Sciences, Okayama University, Okayama 700-8558, Japan
| | - Kazuyoshi Gotoh
- Department of Bacteriology, Graduate School of Medicine Dentistry and Pharmaceutical Sciences, Okayama University, Okayama 700-8558, Japan
| | - Shin-Ichiro Kato
- Research Institute of Molecular Genetics, Kochi University, Kochi 783-0093, Japan
| | - Yoshihiko Sakaguchi
- Department of Microbiology, Kitasato University School of Medicine, Kanagawa 252-0374, Japan
| | - Hironobu Murakami
- School of Veterinary Medicine, Azabu University, Kanagawa 252-5201, Japan
| | - Tomoki Fukuyama
- School of Veterinary Medicine, Azabu University, Kanagawa 252-5201, Japan
| | - Mao Kaneki
- School of Veterinary Medicine, Azabu University, Kanagawa 252-5201, Japan
| | - Osamu Matsushita
- Department of Bacteriology, Graduate School of Medicine Dentistry and Pharmaceutical Sciences, Okayama University, Okayama 700-8558, Japan
| | - Shigenobu Matsuzaki
- Department of Medical Laboratory Science, Faculty of Health Sciences, Kochi Gakuen University, Kochi 780-0955, Japan
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Pu M, Han P, Zhang G, Liu Y, Li Y, Li F, Li M, An X, Song L, Chen Y, Fan H, Tong Y. Characterization and Comparative Genomics Analysis of a New Bacteriophage BUCT610 against Klebsiella pneumoniae and Efficacy Assessment in Galleria mellonella Larvae. Int J Mol Sci 2022; 23:8040. [PMID: 35887393 PMCID: PMC9321532 DOI: 10.3390/ijms23148040] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2022] [Revised: 07/13/2022] [Accepted: 07/18/2022] [Indexed: 11/16/2022] Open
Abstract
The spread of multidrug-resistant Klebsiella pneumoniae (MDR-KP) has become an emerging threat as a result of the overuse of antibiotics. Bacteriophage (phage) therapy is considered to be a promising alternative treatment for MDR-KP infection compared with antibiotic therapy. In this research, a lytic phage BUCT610 was isolated from hospital sewage. The assembled genome of BUCT610 was 46,774 bp in length, with a GC content of 48%. A total of 83 open reading frames (ORFs) and no virulence or antimicrobial resistance genes were annotated in the BUCT610 genome. Comparative genomics and phylogenetic analyses showed that BUCT610 was most closely linked with the Vibrio phage pYD38-A and shared 69% homology. In addition, bacteriophage BUCT610 exhibited excellent thermal stability (4–75 °C) and broad pH tolerance (pH 3–12) in the stability test. In vivo investigation results showed that BUCT610 significantly increased the survival rate of Klebsiella pneumonia-infected Galleria mellonella larvae from 13.33% to 83.33% within 72 h. In conclusion, these findings indicate that phage BUCT610 holds great promise as an alternative agent with excellent stability for the treatment of MDR-KP infection.
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Serwer P, Wright ET, De La Chapa J, Gonzales CB. Basics for Improved Use of Phages for Therapy. Antibiotics (Basel) 2021; 10:antibiotics10060723. [PMID: 34208477 PMCID: PMC8234457 DOI: 10.3390/antibiotics10060723] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Revised: 06/07/2021] [Accepted: 06/10/2021] [Indexed: 12/17/2022] Open
Abstract
Blood-borne therapeutic phages and phage capsids increasingly reach therapeutic targets as they acquire more persistence, i.e., become more resistant to non-targeted removal from blood. Pathogenic bacteria are targets during classical phage therapy. Metastatic tumors are potential future targets, during use of drug delivery vehicles (DDVs) that are phage derived. Phage therapy has, to date, only sometimes been successful. One cause of failure is low phage persistence. A three-step strategy for increasing persistence is to increase (1) the speed of lytic phage isolation, (2) the diversity of phages isolated, and (3) the effectiveness and speed of screening phages for high persistence. The importance of high persistence-screening is illustrated by our finding here of persistence dramatically higher for coliphage T3 than for its relative, coliphage T7, in murine blood. Coliphage T4 is more persistent, long-term than T3. Pseudomonas chlororaphis phage 201phi2-1 has relatively low persistence. These data are obtained with phages co-inoculated and separately assayed. In addition, highly persistent phage T3 undergoes dispersal to several murine organs and displays tumor tropism in epithelial tissue (xenografted human oral squamous cell carcinoma). Dispersal is an asset for phage therapy, but a liability for phage-based DDVs. We propose increased focus on phage persistence—and dispersal—screening.
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Affiliation(s)
- Philip Serwer
- Department of Biochemistry and Structural Biology, The University of Texas Health Center, San Antonio, TX 78229-3900, USA;
- Correspondence: ; Tel.: +1-210-567-3765
| | - Elena T. Wright
- Department of Biochemistry and Structural Biology, The University of Texas Health Center, San Antonio, TX 78229-3900, USA;
| | - Jorge De La Chapa
- Department of Comprehensive Dentistry, The University of Texas Health Center, San Antonio, TX 78229-3900, USA; (J.D.L.C.); (C.B.G.)
| | - Cara B. Gonzales
- Department of Comprehensive Dentistry, The University of Texas Health Center, San Antonio, TX 78229-3900, USA; (J.D.L.C.); (C.B.G.)
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Abdelsattar AS, Dawoud A, Makky S, Nofal R, Aziz RK, El-Shibiny A. Bacteriophages: from isolation to application. Curr Pharm Biotechnol 2021; 23:337-360. [PMID: 33902418 DOI: 10.2174/1389201022666210426092002] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2020] [Revised: 01/29/2021] [Accepted: 03/11/2021] [Indexed: 11/22/2022]
Abstract
Bacteriophages are considered as a potential alternative to fight pathogenic bacteria during the antibiotic resistance era. With their high specificity, they are being widely used in various applications: medicine, food industry, agriculture, animal farms, biotechnology, diagnosis, etc. Many techniques have been designed by different researchers for phage isolation, purification, and amplification, each of which has strengths and weaknesses. However, all aim at having a reasonably pure phage sample that can be further characterized. Phages can be characterized based on their physiological, morphological or inactivation tests. Microscopy, in particular, has opened a wide gate not only for visualizing phage morphological structure, but also for monitoring biochemistry and behavior. Meanwhile, computational analysis of phage genomes provides more details about phage history, lifestyle, and potential for toxigenic or lysogenic conversion, which translate to safety in biocontrol and phage therapy applications. This review summarizes phage application pipelines at different levels and addresses specific restrictions and knowledge gaps in the field. Recently developed computational approaches, which are used in phage genome analysis, are critically assessed. We hope that this assessment provides researchers with useful insights for selection of suitable approaches for Phage-related research aims and applications.
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Affiliation(s)
- Abdallah S Abdelsattar
- Center for Microbiology and Phage Therapy, Zewail City of Science and Technology, October Gardens, 6th of October City, Giza, 12578. Egypt
| | - Alyaa Dawoud
- Center for Microbiology and Phage Therapy, Zewail City of Science and Technology, October Gardens, 6th of October City, Giza, 12578. Egypt
| | - Salsabil Makky
- Center for Microbiology and Phage Therapy, Zewail City of Science and Technology, October Gardens, 6th of October City, Giza, 12578. Egypt
| | - Rana Nofal
- Center for Microbiology and Phage Therapy, Zewail City of Science and Technology, October Gardens, 6th of October City, Giza, 12578. Egypt
| | - Ramy K Aziz
- Department of Microbiology and Immunology, Faculty of Pharmacy, Cairo University, Qasr El-Ainy St, Cairo. Egypt
| | - Ayman El-Shibiny
- Center for Microbiology and Phage Therapy, Zewail City of Science and Technology, October Gardens, 6th of October City, Giza, 12578. Egypt
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