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Alipour-Khezri E, Skurnik M, Zarrini G. Pseudomonas aeruginosa Bacteriophages and Their Clinical Applications. Viruses 2024; 16:1051. [PMID: 39066214 PMCID: PMC11281547 DOI: 10.3390/v16071051] [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: 04/19/2024] [Revised: 06/25/2024] [Accepted: 06/26/2024] [Indexed: 07/28/2024] Open
Abstract
Antimicrobial resistance poses a serious risk to contemporary healthcare since it reduces the number of bacterial illnesses that may be treated with antibiotics, particularly for patients with long-term conditions like cystic fibrosis (CF). People with a genetic predisposition to CF often have recurrent bacterial infections in their lungs due to a buildup of sticky mucus, necessitating long-term antibiotic treatment. Pseudomonas aeruginosa infections are a major cause of CF lung illness, and P. aeruginosa airway isolates are frequently resistant to many antibiotics. Bacteriophages (also known as phages), viruses that infect bacteria, are a viable substitute for antimicrobials to treat P. aeruginosa infections in individuals with CF. Here, we reviewed the utilization of P. aeruginosa bacteriophages both in vivo and in vitro, as well as in the treatment of illnesses and diseases, and the outcomes of the latter.
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Affiliation(s)
- Elaheh Alipour-Khezri
- Department of Animal Biology, Faculty of Natural Sciences, University of Tabriz, Tabriz 51368, Iran;
| | - Mikael Skurnik
- Human Microbiome Research Program, and Department of Bacteriology and Immunology, Faculty of Medicine, University of Helsinki, 00290 Helsinki, Finland
| | - Gholamreza Zarrini
- Department of Animal Biology, Faculty of Natural Sciences, University of Tabriz, Tabriz 51368, Iran;
- Microbial Biotechnology Research Group, University of Tabriz, Tabriz 51368, Iran
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Whiteley LE, Whiteley M. Characterization of a new Pseudomonas aeruginosa Queuovirinae bacteriophage. Microbiol Spectr 2024; 12:e0371923. [PMID: 38345389 PMCID: PMC10913419 DOI: 10.1128/spectrum.03719-23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2023] [Accepted: 01/17/2024] [Indexed: 03/06/2024] Open
Abstract
The ESKAPEE pathogen Pseudomonas aeruginosa is a common cause of chronic wound and cystic fibrosis lung infections, as well as acute burn and nosocomial infections. Many of these infections are recalcitrant to conventional antibiotic therapies due to both traditional antibiotic resistance mechanisms and antimicrobial tolerance. Recent successes with bacteriophage (phage) therapy to treat chronic human P. aeruginosa infections have led to a renewed interest in isolating and characterizing new P. aeruginosa phages. Here, we isolated and characterized a new lytic phage (termed PIP, pili-infecting phage) capable of infecting P. aeruginosa PA14. PIP is a tailed phage with an icosahedral head and flexible tail containing a genome that is 57,462 bp in length. Phylogenetic analysis reveals that PIP belongs to the subfamily Queuovirinae and genus Nipunavirus but is highly divergent in gene content from known Nipunaviruses. By isolating and characterizing a P. aeruginosa strain that spontaneously evolved resistance to PIP, we show that the receptor for PIP is Type IV pili. In summary, we isolated a new P. aeruginosa phage species with a unique genome, thus increasing the diversity of phages known to infect this important human pathogen.IMPORTANCEThe opportunistic pathogen Pseudomonas aeruginosa causes both acute and chronic human infections. These infections are notoriously difficult to treat due to both antibiotic resistance and antibiotic tolerance. The increasing frequency of antibiotic failure in P. aeruginosa infections has led scientists to explore other treatment options, including bacteriophage (phage) therapy. To this end, there has been a significant effort to identify new Pseudomonas phages. Here, we isolated and characterized a bacteriophage (termed PIP, pili-infecting phage) that infects P. aeruginosa PA14. Examination of the PIP genome revealed that this phage represents a new species in the subclass Queuovirinae. The isolation and characterization of spontaneous PA14 mutants that are resistant to PIP infection revealed Type IV pili as the PIP receptor. Ultimately, this study characterizes a new species of Pseudomonas phage, thus enhancing the known diversity of phages that infect this important pathogen.
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Affiliation(s)
- Lauren E. Whiteley
- School of Biological Sciences, Center for Microbial Dynamics and Infection, Georgia Institute of Technology, Atlanta, Georgia, USA
- Emory-Children’s Cystic Fibrosis Center, Atlanta, Georgia, USA
| | - Marvin Whiteley
- School of Biological Sciences, Center for Microbial Dynamics and Infection, Georgia Institute of Technology, Atlanta, Georgia, USA
- Emory-Children’s Cystic Fibrosis Center, Atlanta, Georgia, USA
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Nale JY, McEwan NR. Bacteriophage Therapy to Control Bovine Mastitis: A Review. Antibiotics (Basel) 2023; 12:1307. [PMID: 37627727 PMCID: PMC10451327 DOI: 10.3390/antibiotics12081307] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2023] [Revised: 08/01/2023] [Accepted: 08/03/2023] [Indexed: 08/27/2023] Open
Abstract
Bovine mastitis is a polymicrobial disease characterised by inflammation of the udders of dairy and beef cattle. The infection has huge implications to health and welfare of animals, impacting milk and beef production and costing up to EUR 32 billion annually to the dairy industry, globally. Bacterial communities associated with the disease include representative species from Staphylococcus, Streptococcus, Enterococcus, Actinomyces, Aerococcus, Escherichia, Klebsiella and Proteus. Conventional treatment relies on antibiotics, but antimicrobial resistance, declining antibiotic innovations and biofilm production negatively impact therapeutic efficacy. Bacteriophages (phages) are viruses which effectively target and lyse bacteria with extreme specificity and can be a valuable supplement or replacement to antibiotics for bovine mastitis. In this review, we provide an overview of the etiology of bovine mastitis, the advantages of phage therapy over chemical antibiotics for the strains and research work conducted in the area in various model systems to support phage deployment in the dairy industry. We emphasise work on phage isolation procedures from samples obtained from mastitic and non-mastitic sources, characterisation and efficacy testing of single and multiple phages as standalone treatments or adjuncts to probiotics in various in vitro, ex vivo and in vivo bovine mastitis infection models. Furthermore, we highlight the areas where improvements can be made with focus on phage cocktail optimisation, formulation, and genetic engineering to improve delivery, stability, efficacy, and safety in cattle. Phage therapy is becoming more attractive in clinical medicine and agriculture and thus, could mitigate the impending catastrophe of antimicrobial resistance in the dairy sector.
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Affiliation(s)
- Janet Y. Nale
- Centre for Epidemiology and Planetary Health, Scotland’s Rural College (SRUC), Inverness IV2 5NA, Scotland, UK
| | - Neil R. McEwan
- School of Veterinary Medicine, Scotland’s Rural College (SRUC), Aberdeen AB21 9YA, Scotland, UK;
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Li X, Xu C, Liang B, Kastelic JP, Han B, Tong X, Gao J. Alternatives to antibiotics for treatment of mastitis in dairy cows. Front Vet Sci 2023; 10:1160350. [PMID: 37404775 PMCID: PMC10315858 DOI: 10.3389/fvets.2023.1160350] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2023] [Accepted: 05/26/2023] [Indexed: 07/06/2023] Open
Abstract
Mastitis is considered the costliest disease on dairy farms and also adversely affects animal welfare. As treatment (and to a lesser extent prevention) of mastitis rely heavily on antibiotics, there are increasing concerns in veterinary and human medicine regarding development of antimicrobial resistance. Furthermore, with genes conferring resistance being capable of transfer to heterologous strains, reducing resistance in strains of animal origin should have positive impacts on humans. This article briefly reviews potential roles of non-steroidal anti-inflammatory drugs (NSAIDs), herbal medicines, antimicrobial peptides (AMPs), bacteriophages and their lytic enzymes, vaccination and other emerging therapies for prevention and treatment of mastitis in dairy cows. Although many of these approaches currently lack proven therapeutic efficacy, at least some may gradually replace antibiotics, especially as drug-resistant bacteria are proliferating globally.
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Affiliation(s)
- Xiaoping Li
- Department of Clinical Veterinary Medicine, College of Veterinary Medicine, China Agricultural University, Beijing, China
| | - Chuang Xu
- Department of Clinical Veterinary Medicine, College of Veterinary Medicine, China Agricultural University, Beijing, China
| | - Bingchun Liang
- Department of Clinical Veterinary Medicine, College of Veterinary Medicine, China Agricultural University, Beijing, China
| | - John P. Kastelic
- Faculty of Veterinary Medicine, University of Calgary, Calgary, AB, Canada
| | - Bo Han
- Department of Clinical Veterinary Medicine, College of Veterinary Medicine, China Agricultural University, Beijing, China
| | - Xiaofang Tong
- Department of Clinical Veterinary Medicine, College of Veterinary Medicine, China Agricultural University, Beijing, China
| | - Jian Gao
- Department of Clinical Veterinary Medicine, College of Veterinary Medicine, China Agricultural University, Beijing, China
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Liang S, Qi Y, Yu H, Sun W, Raza SHA, Alkhorayef N, Alkhalil SS, Salama EEA, Zhang L. Bacteriophage Therapy as an Application for Bacterial Infection in China. Antibiotics (Basel) 2023; 12:antibiotics12020417. [PMID: 36830327 PMCID: PMC9952293 DOI: 10.3390/antibiotics12020417] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2022] [Revised: 01/31/2023] [Accepted: 02/05/2023] [Indexed: 02/22/2023] Open
Abstract
Antibiotic resistance has emerged as a significant issue to be resolved around the world. Bacteriophage (phage), in contrast to antibiotics, can only kill the target bacteria with no adverse effect on the normal bacterial flora. In this review, we described the biological characteristics of phage, and summarized the phage application in China, including in mammals, ovipara, aquatilia, and human clinical treatment. The data showed that phage had a good therapeutic effect on drug-resistant bacteria in veterinary fields, as well as in the clinical treatment of humans. However, we need to take more consideration of the narrow lysis spectrum, the immune response, the issues of storage, and the pharmacokinetics of phages. Due to the particularity of bacteriophage as a bacterial virus, there is no unified standard or regulation for the use of bacteriophage in the world at present, which hinders the application of bacteriophage as a substitute for antibiotic biological products. We aimed to highlight the rapidly advancing field of phage therapy as well as the challenges that China faces in reducing its reliance on antibiotics.
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Affiliation(s)
- Shuang Liang
- College of Animal Science and Technology, Jilin Agricultural University, Changchun 130000, China
| | - Yanling Qi
- College of Animal Science and Technology, Jilin Agricultural University, Changchun 130000, China
| | - Huabo Yu
- College of Animal Science and Technology, Jilin Agricultural University, Changchun 130000, China
| | - Wuwen Sun
- College of Animal Science and Technology, Jilin Agricultural University, Changchun 130000, China
- Borui Technology Co., Ltd., Changchun 130000, China
| | | | - Nada Alkhorayef
- Department of Clinical Laboratory Science, College of Applied Medical Sciences, Al-Quway’iyah, Shaqra University, Riyadh 19257, Saudi Arabia
| | - Samia S. Alkhalil
- Department of Clinical Laboratory Sciences, Faculty of Applied Medical Sciences, Shaqra University, Shaqra 11961, Saudi Arabia
| | | | - Lei Zhang
- College of Animal Science and Technology, Jilin Agricultural University, Changchun 130000, China
- Borui Technology Co., Ltd., Changchun 130000, China
- Correspondence:
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Guéneau V, Plateau-Gonthier J, Arnaud L, Piard JC, Castex M, Briandet R. Positive biofilms to guide surface microbial ecology in livestock buildings. Biofilm 2022; 4:100075. [PMID: 35494622 PMCID: PMC9039864 DOI: 10.1016/j.bioflm.2022.100075] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2022] [Revised: 04/07/2022] [Accepted: 04/10/2022] [Indexed: 12/12/2022] Open
Abstract
The increase in human consumption of animal proteins implies changes in the management of meat production. This is followed by increasingly restrictive regulations on antimicrobial products such as chemical biocides and antibiotics, used in particular to control pathogens that can spread zoonotic diseases. Aligned with the One Health concept, alternative biological solutions are under development and are starting to be used in animal production. Beneficial bacteria able to form positive biofilms and guide surface microbial ecology to limit microbial pathogen settlement are promising tools that could complement existing biosecurity practices to maintain the hygiene of livestock buildings. Although the benefits of positive biofilms have already been documented, the associated fundamental mechanisms and the rationale of the microbial composition of these new products are still sparce. This review provides an overview of the envisioned modes of action of positive biofilms used on livestock building surfaces and the resulting criteria for the selection of the appropriate microorganisms for this specific application. Limits and advantages of this biosecurity approach are discussed as well as the impact of such practices along the food chain, from farm to fork.
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Affiliation(s)
- Virgile Guéneau
- Université Paris-Saclay, INRAE, AgroParisTech, Micalis Institute, 78350, Jouy-en-Josas, France
- Lallemand SAS, 31702, Blagnac, France
| | | | | | - Jean-Christophe Piard
- Université Paris-Saclay, INRAE, AgroParisTech, Micalis Institute, 78350, Jouy-en-Josas, France
| | | | - Romain Briandet
- Université Paris-Saclay, INRAE, AgroParisTech, Micalis Institute, 78350, Jouy-en-Josas, France
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Characterization of a New Temperate Escherichia coli Phage vB_EcoP_ZX5 and Its Regulatory Protein. Pathogens 2022; 11:pathogens11121445. [PMID: 36558779 PMCID: PMC9782041 DOI: 10.3390/pathogens11121445] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2022] [Revised: 11/23/2022] [Accepted: 11/28/2022] [Indexed: 12/05/2022] Open
Abstract
The study of the interaction between temperate phages and bacteria is vital to understand their role in the development of human diseases. In this study, a novel temperate Escherichia coli phage, vB_EcoP_ZX5, with a genome size of 39,565 bp, was isolated from human fecal samples. It has a short tail and belongs to the genus Uetakevirus and the family Podoviridae. Phage vB_EcoP_ZX5 encodes three lysogeny-related proteins (ORF12, ORF21, and ORF4) and can be integrated into the 3'-end of guaA of its host E. coli YO1 for stable transmission to offspring bacteria. Phage vB_EcoP_ZX5 in lysogenized E. coli YO1+ was induced spontaneously, with a free phage titer of 107 PFU/mL. The integration of vB_EcoP_ZX5 had no significant effect on growth, biofilm, environmental stress response, antibiotic sensitivity, adherence to HeLa cells, and virulence of E. coli YO1. The ORF4 anti-repressor, ORF12 integrase, and ORF21 repressors that affect the lytic-lysogenic cycle of vB_EcoP_ZX5 were verified by protein overexpression. We could tell from changes of the number of total phages and the transcription level of phage genes that repressor protein is the key determinant of lytic-to-lysogenic conversion, and anti-repressor protein promotes the conversion from lysogenic cycle to lytic cycle.
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Yin Y, Wang X, Mou Z, Ren H, Zhang C, Zou L, Liu H, Liu W, Liu Z. Characterization and genome analysis of Pseudomonas aeruginosa phage vB_PaeP_Lx18 and the antibacterial activity of its lysozyme. Arch Virol 2022; 167:1805-1817. [PMID: 35716268 DOI: 10.1007/s00705-022-05472-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2022] [Accepted: 03/30/2022] [Indexed: 11/25/2022]
Abstract
A lytic Pseudomonas aeruginosa phage, vB_PaeP_Lx18 (Lx18), was isolated from the sewage of a dairy farm. Biological characterization revealed that Lx18 was stable from 40 °C to 60 °C and over a wide range of pH values from 4 to 10. It was able to lyse 63.6% (21/33) of the P. aeruginosa strains tested and was able to reduce and disperse biofilms, with a biofilm reduction rate of 76.8%. Whole-genome sequencing showed that Lx18 is a dsDNA virus with a genome of 42,735 bp and G+C content of 62.16%. The genome contains 54 open reading frames (ORFs), 28 of which have known functions, including DNA replication and modification, transcriptional regulation, structural and packaging proteins, and host cell lysis. No virulence or tRNA genes were identified. Phylogenetic analysis showed that phage Lx18 belongs to the genus Phikmvvirus. The lysozyme of Lx18, Lys18, was cloned and expressed. The combined action of Lys18 and ethylenediaminetetraacetic acid (EDTA) had antibacterial activity against Pseudomonas aeruginosa. The study of phage Lx18 and its lysozyme will provide basic information for further research on the treatment of Pseudomonas aeruginosa infections.
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Affiliation(s)
- Yin Yin
- College of Veterinary Medicine, Qingdao Agricultural University, Shandong, 266109, China
| | - Xinwei Wang
- College of Veterinary Medicine, Qingdao Agricultural University, Shandong, 266109, China
| | - Zehua Mou
- College of Veterinary Medicine, Qingdao Agricultural University, Shandong, 266109, China
| | - Huiying Ren
- College of Veterinary Medicine, Qingdao Agricultural University, Shandong, 266109, China
| | - Can Zhang
- College of Veterinary Medicine, Qingdao Agricultural University, Shandong, 266109, China
| | - Ling Zou
- College of Veterinary Medicine, Qingdao Agricultural University, Shandong, 266109, China
| | - Huanqi Liu
- College of Veterinary Medicine, Qingdao Agricultural University, Shandong, 266109, China.
| | - Wenhua Liu
- College of Veterinary Medicine, Qingdao Agricultural University, Shandong, 266109, China.
| | - Zongzhu Liu
- College of Veterinary Medicine, Qingdao Agricultural University, Shandong, 266109, China
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