1
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Turchi B, Campobasso C, Nardinocchi A, Wagemans J, Torracca B, Lood C, Di Giuseppe G, Nieri P, Bertelloni F, Turini L, Ruffo V, Lavigne R, Di Luca M. Isolation and characterization of novel Staphylococcus aureus bacteriophage Hesat from dairy origin. Appl Microbiol Biotechnol 2024; 108:299. [PMID: 38619619 PMCID: PMC11018700 DOI: 10.1007/s00253-024-13129-y] [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: 09/05/2023] [Revised: 03/05/2024] [Accepted: 03/27/2024] [Indexed: 04/16/2024]
Abstract
A novel temperate phage, named Hesat, was isolated by the incubation of a dairy strain of Staphylococcus aureus belonging to spa-type t127 with either bovine or ovine milk. Hesat represents a new species of temperate phage within the Phietavirus genus of the Azeredovirinae subfamily. Its genome has a length of 43,129 bp and a GC content of 35.11% and contains 75 predicted ORFs, some of which linked to virulence. This includes (i) a pathogenicity island (SaPln2), homologous to the type II toxin-antitoxin system PemK/MazF family toxin; (ii) a DUF3113 protein (gp30) that is putatively involved in the derepression of the global repressor Stl; and (iii) a cluster coding for a PVL. Genomic analysis of the host strain indicates Hesat is a resident prophage. Interestingly, its induction was obtained by exposing the bacterium to milk, while the conventional mitomycin C-based approach failed. The host range of phage Hesat appears to be broad, as it was able to lyse 24 out of 30 tested S. aureus isolates. Furthermore, when tested at high titer (108 PFU/ml), Hesat phage was also able to lyse a Staphylococcus muscae isolate, a coagulase-negative staphylococcal strain. KEY POINTS: • A new phage species was isolated from a Staphylococcus aureus bovine strain. • Pathogenicity island and PVL genes are encoded within phage genome. • The phage is active against most of S. aureus strains from both animal and human origins.
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Affiliation(s)
- Barbara Turchi
- Department of Veterinary Sciences, University of Pisa, Viale Delle Piagge 2, 56124, Pisa, Italy
| | - Claudia Campobasso
- Department of Biology, University of Pisa, Via San Zeno 37, 56127, Pisa, Italy
- Department of Biosystems, KU Leuven, Kasteelpark Arenberg 21, Box 2462, 3001, Louvain, Belgium
| | - Arianna Nardinocchi
- Department of Biology, University of Pisa, Via San Zeno 37, 56127, Pisa, Italy
| | - Jeroen Wagemans
- Department of Biosystems, KU Leuven, Kasteelpark Arenberg 21, Box 2462, 3001, Louvain, Belgium
| | - Beatrice Torracca
- Department of Veterinary Sciences, University of Pisa, Viale Delle Piagge 2, 56124, Pisa, Italy
| | - Cédric Lood
- Department of Biosystems, KU Leuven, Kasteelpark Arenberg 21, Box 2462, 3001, Louvain, Belgium
- Department of Microbial and Molecular Systems, Centre for Microbial and Plant Genetics, KU Leuven, Kasteelpark Arenberg 20, Box 2460, 3001, Leuven, Belgium
| | | | - Paola Nieri
- Department of Pharmacy, University of Pisa, Via Bonanno Pisano 6, 56126, Pisa, Italy
| | - Fabrizio Bertelloni
- Department of Veterinary Sciences, University of Pisa, Viale Delle Piagge 2, 56124, Pisa, Italy
| | - Luca Turini
- Department of Veterinary Sciences, University of Pisa, Viale Delle Piagge 2, 56124, Pisa, Italy
| | - Valeria Ruffo
- Department of Veterinary Sciences, University of Pisa, Viale Delle Piagge 2, 56124, Pisa, Italy
| | - Rob Lavigne
- Department of Biosystems, KU Leuven, Kasteelpark Arenberg 21, Box 2462, 3001, Louvain, Belgium
| | - Mariagrazia Di Luca
- Department of Biology, University of Pisa, Via San Zeno 37, 56127, Pisa, Italy.
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2
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Parra B, Cockx B, Lutz VT, Brøndsted L, Smets BF, Dechesne A. Isolation and characterization of novel plasmid-dependent phages infecting bacteria carrying diverse conjugative plasmids. Microbiol Spectr 2024; 12:e0253723. [PMID: 38063386 PMCID: PMC10782986 DOI: 10.1128/spectrum.02537-23] [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: 06/19/2023] [Accepted: 11/12/2023] [Indexed: 12/23/2023] Open
Abstract
IMPORTANCE This work was undertaken because plasmid-dependent phages can reduce the prevalence of conjugative plasmids and can be leveraged to prevent the acquisition and dissemination of ARGs by bacteria. The two novel phages described in this study, Lu221 and Hi226, can infect Escherichia coli, Salmonella enterica, Kluyvera sp. and Enterobacter sp. carrying conjugative plasmids. This was verified with plasmids carrying resistance determinants and belonging to the most common plasmid families among Gram-negative pathogens. Therefore, the newly isolated phages could have the potential to help control the spread of ARGs and thus help combat the antimicrobial resistance crisis.
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Affiliation(s)
- Boris Parra
- Department of Environmental Engineering and Resource Engineering, Technical University of Denmark, Kongens Lyngby, Denmark
- Laboratorio de Investigación de Agentes Antibacterianos, Departamento de Microbiología, Facultad de Ciencias Biológicas, Universidad de Concepción, Concepción, Chile
- Instituto de Ciencias Naturales, Facultad de Medicina Veterinaria y Agronomía, Universidad de las Américas, Concepción, Chile
| | - Bastiaan Cockx
- Department of Environmental Engineering and Resource Engineering, Technical University of Denmark, Kongens Lyngby, Denmark
| | - Veronika T. Lutz
- Department of Veterinary and Animal Sciences, University of Copenhagen, København, Denmark
| | - Lone Brøndsted
- Department of Veterinary and Animal Sciences, University of Copenhagen, København, Denmark
| | - Barth F. Smets
- Department of Environmental Engineering and Resource Engineering, Technical University of Denmark, Kongens Lyngby, Denmark
| | - Arnaud Dechesne
- Department of Environmental Engineering and Resource Engineering, Technical University of Denmark, Kongens Lyngby, Denmark
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3
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Wang RH, Yang S, Liu Z, Zhang Y, Wang X, Xu Z, Wang J, Li SC. PhageScope: a well-annotated bacteriophage database with automatic analyses and visualizations. Nucleic Acids Res 2024; 52:D756-D761. [PMID: 37904614 PMCID: PMC10767790 DOI: 10.1093/nar/gkad979] [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: 08/14/2023] [Revised: 10/13/2023] [Accepted: 10/16/2023] [Indexed: 11/01/2023] Open
Abstract
Bacteriophages are viruses that infect bacteria or archaea. Understanding the diverse and intricate genomic architectures of phages is essential to study microbial ecosystems and develop phage therapy strategies. However, the existing phage databases are short of meticulous annotations. To this end, we propose PhageScope (https://phagescope.deepomics.org), an online phage database with comprehensive annotations. PhageScope harbors a collection of 873 718 phage sequences from various sources. Applying fifteen state-of-the-art tools to perform systematic annotations and analyses, PhageScope provides annotations on genome completeness, host range, lifestyle information, taxonomy classification, nine types of structural and functional genetic elements, and three types of comparative genomic studies for curated phages. Additionally, PhageScope incorporates automatic analyses and visualizations for curated and customized phages, serving as an efficient platform for phage study.
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Affiliation(s)
- Ruo Han Wang
- Department of Computer Science, City University of Hong Kong, Hong Kong
| | - Shuo Yang
- Department of Computer Science, City University of Hong Kong, Hong Kong
| | - Zhixuan Liu
- Department of Computer Science, City University of Hong Kong, Hong Kong
| | - Yuanzheng Zhang
- Department of Computer Science, City University of Hong Kong, Hong Kong
| | - Xueying Wang
- Department of Computer Science, City University of Hong Kong, Hong Kong
- City University of Hong Kong (Dongguan), Dongguan, China
| | - Zixin Xu
- Department of Computer Science, City University of Hong Kong, Hong Kong
| | - Jianping Wang
- Department of Computer Science, City University of Hong Kong, Hong Kong
| | - Shuai Cheng Li
- Department of Computer Science, City University of Hong Kong, Hong Kong
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4
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Luong T, Sue AD, Roach DR. Rapid Bench to Bedside Therapeutic Bacteriophage Production. Methods Mol Biol 2024; 2734:67-88. [PMID: 38066363 DOI: 10.1007/978-1-0716-3523-0_5] [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] [Indexed: 12/18/2023]
Abstract
It has been over 100 years since bacteriophages (phages) were used as a human therapeutic. Since then, phage production has dramatically evolved. Current phage preparations have fewer adverse effects due to their low bacterial toxin content. As a result, therapeutic phages have become a predominant class of new antimicrobials and are being widely used for compassionate treatment of multidrug-resistant (MDR) infections. We describe herein a protocol for the production and ultrapurification of phages. By this technique, it is possible for a lab experienced with the process to produce >109 plaque-forming units (PFU) per mL of Gram-negative phages that meet FDA endotoxins limits for intravenous infusions in as little as 48 hours. We provide illustrations of the process and tips on how to safely remove bacterial toxins from phage lysates. Although dependent on the phage strain, the approach described can rapidly generate and purify phages for a variety of applications.
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Affiliation(s)
- Tiffany Luong
- Department of Biology, San Diego State University, San Diego, CA, USA
| | - Andrew D Sue
- Department of Biology, San Diego State University, San Diego, CA, USA
| | - Dwayne R Roach
- Department of Biology, San Diego State University, San Diego, CA, USA.
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5
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Kelly A, Went SC, Mariano G, Shaw LP, Picton DM, Duffner SJ, Coates I, Herdman-Grant R, Gordeeva J, Drobiazko A, Isaev A, Lee YJ, Luyten Y, Morgan RD, Weigele P, Severinov K, Wenner N, Hinton JCD, Blower TR. Diverse Durham collection phages demonstrate complex BREX defense responses. Appl Environ Microbiol 2023; 89:e0062323. [PMID: 37668405 PMCID: PMC10537673 DOI: 10.1128/aem.00623-23] [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: 04/13/2023] [Accepted: 07/10/2023] [Indexed: 09/06/2023] Open
Abstract
Bacteriophages (phages) outnumber bacteria ten-to-one and cause infections at a rate of 1025 per second. The ability of phages to reduce bacterial populations makes them attractive alternative antibacterials for use in combating the rise in antimicrobial resistance. This effort may be hindered due to bacterial defenses such as Bacteriophage Exclusion (BREX) that have arisen from the constant evolutionary battle between bacteria and phages. For phages to be widely accepted as therapeutics in Western medicine, more must be understood about bacteria-phage interactions and the outcomes of bacterial phage defense. Here, we present the annotated genomes of 12 novel bacteriophage species isolated from water sources in Durham, UK, during undergraduate practical classes. The collection includes diverse species from across known phylogenetic groups. Comparative analyses of two novel phages from the collection suggest they may be founding members of a new genus. Using this Durham phage collection, we determined that particular BREX defense systems were likely to confer a varied degree of resistance against an invading phage. We concluded that the number of BREX target motifs encoded in the phage genome was not proportional to the degree of susceptibility. IMPORTANCE Bacteriophages have long been the source of tools for biotechnology that are in everyday use in molecular biology research laboratories worldwide. Phages make attractive new targets for the development of novel antimicrobials. While the number of phage genome depositions has increased in recent years, the expected bacteriophage diversity remains underrepresented. Here we demonstrate how undergraduates can contribute to the identification of novel phages and that a single City in England can provide ample phage diversity and the opportunity to find novel technologies. Moreover, we demonstrate that the interactions and intricacies of the interplay between bacterial phage defense systems such as Bacteriophage Exclusion (BREX) and phages are more complex than originally thought. Further work will be required in the field before the dynamic interactions between phages and bacterial defense systems are fully understood and integrated with novel phage therapies.
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Affiliation(s)
- Abigail Kelly
- Department of Biosciences, Durham University, Durham, UK
| | - Sam C. Went
- Department of Biosciences, Durham University, Durham, UK
| | - Giuseppina Mariano
- Microbes in Health and Disease Theme, Newcastle University Biosciences Institute, Newcastle University, Newcastle upon Tyne, UK
| | - Liam P. Shaw
- Department of Biosciences, Durham University, Durham, UK
- Department of Biology, University of Oxford, Oxford, UK
| | | | | | - Isabel Coates
- Department of Biosciences, Durham University, Durham, UK
| | | | - Julia Gordeeva
- Skolkovo Institute of Science and Technology, Moscow, Russia
| | - Alena Drobiazko
- Skolkovo Institute of Science and Technology, Moscow, Russia
| | - Artem Isaev
- Skolkovo Institute of Science and Technology, Moscow, Russia
| | - Yan-Jiun Lee
- New England Biolabs, Ipswich, Massachusetts, USA
| | | | | | | | | | - Nicolas Wenner
- Institute of Infection, Veterinary and Ecological Sciences, University of Liverpool, Liverpool, UK
| | - Jay C. D. Hinton
- Institute of Infection, Veterinary and Ecological Sciences, University of Liverpool, Liverpool, UK
| | - Tim R. Blower
- Department of Biosciences, Durham University, Durham, UK
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6
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Magossi G, Holman DB, Schmidt KN, Hoselton SA, Amat S. Genome sequences of 11 Alkalihalobacillus clausii, Bacillus safensis, and Escherichia coli bacteriophages isolated from bovine rumen and vagina. Microbiol Resour Announc 2023; 12:e0042723. [PMID: 37489918 PMCID: PMC10508124 DOI: 10.1128/mra.00427-23] [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: 05/17/2023] [Accepted: 06/22/2023] [Indexed: 07/26/2023] Open
Abstract
Here, we present the coding-complete genomes of 11 lytic bacteriophages isolated from bovine ruminal fluid and vaginal swabs that can infect the bacterial hosts Alkalihalobacillus clausii, Bacillus safensis, and Escherichia coli.
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Affiliation(s)
- Gabriela Magossi
- Department of Microbiological Sciences, NDSU, Fargo, North Dakota, USA
| | - Devin B. Holman
- Lacombe Research and Development Centre, Agriculture and Agri-Food Canada, Lacombe, Alberta, Canada
| | - Kaycie N. Schmidt
- Department of Microbiological Sciences, NDSU, Fargo, North Dakota, USA
| | - Scott A. Hoselton
- Department of Microbiological Sciences, NDSU, Fargo, North Dakota, USA
| | - Samat Amat
- Department of Microbiological Sciences, NDSU, Fargo, North Dakota, USA
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7
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Ritsch M, Cassman NA, Saghaei S, Marz M. Navigating the Landscape: A Comprehensive Review of Current Virus Databases. Viruses 2023; 15:1834. [PMID: 37766241 PMCID: PMC10537806 DOI: 10.3390/v15091834] [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: 07/04/2023] [Revised: 08/18/2023] [Accepted: 08/21/2023] [Indexed: 09/29/2023] Open
Abstract
Viruses are abundant and diverse entities that have important roles in public health, ecology, and agriculture. The identification and surveillance of viruses rely on an understanding of their genome organization, sequences, and replication strategy. Despite technological advancements in sequencing methods, our current understanding of virus diversity remains incomplete, highlighting the need to explore undiscovered viruses. Virus databases play a crucial role in providing access to sequences, annotations and other metadata, and analysis tools for studying viruses. However, there has not been a comprehensive review of virus databases in the last five years. This study aimed to fill this gap by identifying 24 active virus databases and included an extensive evaluation of their content, functionality and compliance with the FAIR principles. In this study, we thoroughly assessed the search capabilities of five database catalogs, which serve as comprehensive repositories housing a diverse array of databases and offering essential metadata. Moreover, we conducted a comprehensive review of different types of errors, encompassing taxonomy, names, missing information, sequences, sequence orientation, and chimeric sequences, with the intention of empowering users to effectively tackle these challenges. We expect this review to aid users in selecting suitable virus databases and other resources, and to help databases in error management and improve their adherence to the FAIR principles. The databases listed here represent the current knowledge of viruses and will help aid users find databases of interest based on content, functionality, and scope. The use of virus databases is integral to gaining new insights into the biology, evolution, and transmission of viruses, and developing new strategies to manage virus outbreaks and preserve global health.
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Affiliation(s)
- Muriel Ritsch
- RNA Bioinformatics and High-Throughput Analysis, Friedrich Schiller University Jena, 07743 Jena, Germany;
- European Virus Bioinformatics Center, 07743 Jena, Germany
| | - Noriko A. Cassman
- RNA Bioinformatics and High-Throughput Analysis, Friedrich Schiller University Jena, 07743 Jena, Germany;
- European Virus Bioinformatics Center, 07743 Jena, Germany
| | - Shahram Saghaei
- RNA Bioinformatics and High-Throughput Analysis, Friedrich Schiller University Jena, 07743 Jena, Germany;
- European Virus Bioinformatics Center, 07743 Jena, Germany
| | - Manja Marz
- RNA Bioinformatics and High-Throughput Analysis, Friedrich Schiller University Jena, 07743 Jena, Germany;
- European Virus Bioinformatics Center, 07743 Jena, Germany
- German Centre for Integrative Biodiversity Research (iDiv) Halle-Jena-Leipzig, 04103 Leipzig, Germany
- FLI Leibniz Institute for Age Research, 07745 Jena, Germany
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8
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Romero-Calle DX, Pedrosa-Silva F, Ribeiro Tomé LM, Fonseca V, Guimarães Benevides R, de Oliveira Santos LTS, de Oliveira T, da Costa MM, Alcantara LCJ, de Carvalho Azevedo VA, Brenig B, Venancio TM, Billington C, Góes-Neto A. Molecular Characterization of Salmonella Phage Wara Isolated from River Water in Brazil. Microorganisms 2023; 11:1837. [PMID: 37513009 PMCID: PMC10384808 DOI: 10.3390/microorganisms11071837] [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: 06/12/2023] [Revised: 07/07/2023] [Accepted: 07/14/2023] [Indexed: 07/30/2023] Open
Abstract
Antimicrobial resistance is increasing despite new treatments being employed, so novel strategies are required to ensure that bacterial infections remain treatable. Bacteriophages (phages; bacteria viruses) have the potential to be used as natural antimicrobial methods to control bacterial pathogens such as Salmonella spp. A Salmonella phage, Wara, was isolated from environmental water samples at the Subaé River Basin, Salvador de Bahia, Brazil. The basin has environmental impacts in its main watercourses arising from the dumping of domestic and industrial effluents and agricultural and anthropological activities. The phage genome sequence was determined by Oxford Nanopore Technologies (ONT) MinION and Illumina HiSeq sequencing, and assembly was carried out by Racon (MinION) and Unicycler (Illumina, Illumina + MinION). The genome was annotated and compared to other Salmonella phages using various bioinformatics approaches. MinION DNA sequencing combined with Racon assembly gave the best complete genome sequence. Phylogenetic analysis revealed that Wara is a member of the Tequintavirus genus. A lack of lysogeny genes, antimicrobial resistance, and virulence genes indicated that Wara has therapeutic and biocontrol potential against Salmonella species in healthcare and agriculture.
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Affiliation(s)
- Danitza Xiomara Romero-Calle
- Postgraduate Program in Biotechnology, State University of Feira de Santana (UEFS), Av. Transnordestina S/N, Feira de Santana 44036-900, Brazil
- Molecular and Computational Biology of Fungi Laboratory, Department of Microbiology, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte 31270-901, Brazil
- Department of Biological Sciences, Feira de Santana State University (UEFS), Feira de Santana 44036-900, Brazil
| | - Francisnei Pedrosa-Silva
- Laboratory of Chemistry, Function of Proteins and Peptides, Center for Biosciences and Biotechnology, Darcy Ribeiro North Fluminense State University (UENF), Campos dos Goytacazes 28013-602, Brazil
| | - Luiz Marcelo Ribeiro Tomé
- Molecular and Computational Biology of Fungi Laboratory, Department of Microbiology, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte 31270-901, Brazil
| | - Vagner Fonseca
- General Coordination of Public Health Laboratories/Secretariat of Health Surveillance, Ministry of Health, Brasília 70800-400, Brazil
- Laboratory of Cellular and Molecular Genetics, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais 31270-901, Brazil
| | - Raquel Guimarães Benevides
- Postgraduate Program in Biotechnology, State University of Feira de Santana (UEFS), Av. Transnordestina S/N, Feira de Santana 44036-900, Brazil
- Department of Biological Sciences, Feira de Santana State University (UEFS), Feira de Santana 44036-900, Brazil
| | | | - Tulio de Oliveira
- KwaZulu-Natal Research Innovation and Sequencing Platform (KRISP), College of Health Sciences, University of KwaZulu Natal, Durban 4001, South Africa
| | - Mateus Matiuzzi da Costa
- Department of Biological Sciences, Federal University of the São Francisco Valley, Petrolina 56304-917, Brazil
| | - Luiz Carlos Junior Alcantara
- Laboratory of Cellular and Molecular Genetics, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais 31270-901, Brazil
- Flavivirus Laboratory, Oswaldo Cruz Institute, Rio de Janeiro 21040-900, Brazil
| | | | - Bertram Brenig
- Institute of Veterinary Medicine, University of Göttingen, 37073 Göttingen, Germany
| | - Thiago M Venancio
- Laboratory of Chemistry, Function of Proteins and Peptides, Center for Biosciences and Biotechnology, Darcy Ribeiro North Fluminense State University (UENF), Campos dos Goytacazes 28013-602, Brazil
| | - Craig Billington
- Health & Environment Group, Institute of Environmental Sciences and Research, Christchurch 8540, New Zealand
| | - Aristóteles Góes-Neto
- Postgraduate Program in Biotechnology, State University of Feira de Santana (UEFS), Av. Transnordestina S/N, Feira de Santana 44036-900, Brazil
- Molecular and Computational Biology of Fungi Laboratory, Department of Microbiology, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte 31270-901, Brazil
- Department of Biological Sciences, Feira de Santana State University (UEFS), Feira de Santana 44036-900, Brazil
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9
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Elek CKA, Brown TL, Le Viet T, Evans R, Baker DJ, Telatin A, Tiwari SK, Al-Khanaq H, Thilliez G, Kingsley RA, Hall LJ, Webber MA, Adriaenssens EM. A hybrid and poly-polish workflow for the complete and accurate assembly of phage genomes: a case study of ten przondoviruses. Microb Genom 2023; 9:mgen001065. [PMID: 37463032 PMCID: PMC10438801 DOI: 10.1099/mgen.0.001065] [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: 03/30/2023] [Accepted: 06/17/2023] [Indexed: 07/21/2023] Open
Abstract
Bacteriophages (phages) within the genus Przondovirus are T7-like podoviruses belonging to the subfamily Studiervirinae, within the family Autographiviridae, and have a highly conserved genome organisation. The genomes of these phages range from 37 to 42 kb in size, encode 50-60 genes and are characterised by the presence of direct terminal repeats (DTRs) flanking the linear chromosome. These DTRs are often deleted during short-read-only and hybrid assemblies. Moreover, long-read-only assemblies are often littered with sequencing and/or assembly errors and require additional curation. Here, we present the isolation and characterisation of ten novel przondoviruses targeting Klebsiella spp. We describe HYPPA, a HYbrid and Poly-polish Phage Assembly workflow, which utilises long-read assemblies in combination with short-read sequencing to resolve phage DTRs and correcting errors, negating the need for laborious primer walking and Sanger sequencing validation. Our assembly workflow utilised Oxford Nanopore Technologies for long-read sequencing for its accessibility, making it the more relevant long-read sequencing technology at this time, and Illumina DNA Prep for short-read sequencing, representing the most commonly used technologies globally. Our data demonstrate the importance of careful curation of phage assemblies before publication, and prior to using them for comparative genomics.
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Affiliation(s)
- Claire K. A. Elek
- Quadram Institute Bioscience, Rosalind Franklin Road, Norwich Research Park, Norwich, UK
- University of East Anglia, Norwich Research Park, Norwich, UK
| | - Teagan L. Brown
- Quadram Institute Bioscience, Rosalind Franklin Road, Norwich Research Park, Norwich, UK
| | - Thanh Le Viet
- Quadram Institute Bioscience, Rosalind Franklin Road, Norwich Research Park, Norwich, UK
| | - Rhiannon Evans
- Quadram Institute Bioscience, Rosalind Franklin Road, Norwich Research Park, Norwich, UK
| | - David J. Baker
- Quadram Institute Bioscience, Rosalind Franklin Road, Norwich Research Park, Norwich, UK
| | - Andrea Telatin
- Quadram Institute Bioscience, Rosalind Franklin Road, Norwich Research Park, Norwich, UK
| | - Sumeet K. Tiwari
- Quadram Institute Bioscience, Rosalind Franklin Road, Norwich Research Park, Norwich, UK
| | - Haider Al-Khanaq
- Quadram Institute Bioscience, Rosalind Franklin Road, Norwich Research Park, Norwich, UK
| | - Gaëtan Thilliez
- Quadram Institute Bioscience, Rosalind Franklin Road, Norwich Research Park, Norwich, UK
| | - Robert A. Kingsley
- Quadram Institute Bioscience, Rosalind Franklin Road, Norwich Research Park, Norwich, UK
- University of East Anglia, Norwich Research Park, Norwich, UK
| | - Lindsay J. Hall
- Quadram Institute Bioscience, Rosalind Franklin Road, Norwich Research Park, Norwich, UK
- University of East Anglia, Norwich Research Park, Norwich, UK
- Chair of Intestinal Microbiome, ZIEL—Institute for Food and Health, School of Life Sciences, Technical University of Munich, Freising, Germany
| | - Mark A. Webber
- Quadram Institute Bioscience, Rosalind Franklin Road, Norwich Research Park, Norwich, UK
- University of East Anglia, Norwich Research Park, Norwich, UK
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10
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Mohammed M, Casjens SR, Millard AD, Harrison C, Gannon L, Chattaway MA. Genomic analysis of Anderson typing phages of Salmonella Typhimrium: towards understanding the basis of bacteria-phage interaction. Sci Rep 2023; 13:10484. [PMID: 37380724 PMCID: PMC10307801 DOI: 10.1038/s41598-023-37307-6] [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: 03/02/2023] [Accepted: 06/20/2023] [Indexed: 06/30/2023] Open
Abstract
The Anderson phage typing scheme has been successfully used worldwide for epidemiological surveillance of Salmonella enterica serovar Typhimurium. Although the scheme is being replaced by whole genome sequence subtyping methods, it can provide a valuable model system for study of phage-host interaction. The phage typing scheme distinguishes more than 300 definitive types of Salmonella Typhimurium based on their patterns of lysis to a unique collection of 30 specific Salmonella phages. In this study, we sequenced the genomes of 28 Anderson typing phages of Salmonella Typhimurium to begin to characterize the genetic determinants that are responsible for the differences in these phage type profiles. Genomic analysis of typing phages reveals that Anderson phages can be classified into three different groups, the P22-like, ES18-like and SETP3-like clusters. Most Anderson phages are short tailed P22-like viruses (genus Lederbergvirus); but phages STMP8 and STMP18 are very closely related to the lambdoid long tailed phage ES18, and phages STMP12 and STMP13 are related to the long noncontractile tailed, virulent phage SETP3. Most of these typing phages have complex genome relationships, but interestingly, two phage pairs STMP5 and STMP16 as well as STMP12 and STMP13 differ by a single nucleotide. The former affects a P22-like protein involved in DNA passage through the periplasm during its injection, and the latter affects a gene whose function is unknown. Using the Anderson phage typing scheme would provide insights into phage biology and the development of phage therapy for the treatment of antibiotic resistant bacterial infections.
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Affiliation(s)
- Manal Mohammed
- Genomics and Infectious Diseases Research Group, School of Life Sciences, University of Westminster, 115 New Cavendish Street, London, W1W 6UW, UK.
| | - Sherwood R Casjens
- Division of Microbiology and Immunology, Department of Pathology, University of Utah School of Medicine, University of Utah, Salt Lake City, UT, 84112, USA
- School of Biological Sciences, University of Utah, Salt Lake City, UT, 84112, USA
| | - Andrew D Millard
- Department of Genetics and Genome Biology, University of Leicester, University Road, Leicester, LE1 7RH, UK
| | - Christian Harrison
- Department of Genetics and Genome Biology, University of Leicester, University Road, Leicester, LE1 7RH, UK
| | - Lucy Gannon
- Department of Genetics and Genome Biology, University of Leicester, University Road, Leicester, LE1 7RH, UK
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11
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Štrancar V, Marušić M, Tušar J, Praček N, Kolenc M, Šuster K, Horvat S, Janež N, Peterka M. Isolation and in vitro characterization of novel S. epidermidis phages for therapeutic applications. Front Cell Infect Microbiol 2023; 13:1169135. [PMID: 37293203 PMCID: PMC10244729 DOI: 10.3389/fcimb.2023.1169135] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2023] [Accepted: 05/08/2023] [Indexed: 06/10/2023] Open
Abstract
S. epidermidis is an important opportunistic pathogen causing chronic prosthetic joint infections associated with biofilm growth. Increased tolerance to antibiotic therapy often requires prolonged treatment or revision surgery. Phage therapy is currently used as compassionate use therapy and continues to be evaluated for its viability as adjunctive therapy to antibiotic treatment or as an alternative treatment for infections caused by S. epidermidis to prevent relapses. In the present study, we report the isolation and in vitro characterization of three novel lytic S. epidermidis phages. Their genome content analysis indicated the absence of antibiotic resistance genes and virulence factors. Detailed investigation of the phage preparation indicated the absence of any prophage-related contamination and demonstrated the importance of selecting appropriate hosts for phage development from the outset. The isolated phages infect a high proportion of clinically relevant S. epidermidis strains and several other coagulase-negative species growing both in planktonic culture and as a biofilm. Clinical strains differing in their biofilm phenotype and antibiotic resistance profile were selected to further identify possible mechanisms behind increased tolerance to isolated phages.
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Affiliation(s)
- Vida Štrancar
- Centre of Excellence for Biosensors, Instrumentation and Process Control, Ajdovščina, Slovenia
- Department of Animal Science, Biotechnical Faculty, University of Ljubljana, Domžale, Slovenia
| | - Monika Marušić
- Centre of Excellence for Biosensors, Instrumentation and Process Control, Ajdovščina, Slovenia
| | - Jasmina Tušar
- Centre of Excellence for Biosensors, Instrumentation and Process Control, Ajdovščina, Slovenia
| | - Neža Praček
- Centre of Excellence for Biosensors, Instrumentation and Process Control, Ajdovščina, Slovenia
| | - Marko Kolenc
- Institute of Microbiology and Immunology, Faculty of Medicine, University of Ljubljana, Ljubljana, Slovenia
| | - Katja Šuster
- Valdoltra Orthopaedic Hospital, Ankaran, Slovenia
| | - Simon Horvat
- Department of Animal Science, Biotechnical Faculty, University of Ljubljana, Domžale, Slovenia
| | - Nika Janež
- Centre of Excellence for Biosensors, Instrumentation and Process Control, Ajdovščina, Slovenia
| | - Matjaž Peterka
- Centre of Excellence for Biosensors, Instrumentation and Process Control, Ajdovščina, Slovenia
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12
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My PDT, Vinh TQ, Ngoc TH, Anh PNQ, Duyen LTM, Thien NM, Tien LTT, Phuc VT, Oanh HN, Nga LP, Hoang HA. Complete genome sequence of a novel lytic phage of Xanthomonas oryzae pv. oryzae, the bacterial leaf blight pathogen in rice. Arch Virol 2023; 168:157. [PMID: 37160612 DOI: 10.1007/s00705-023-05788-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2023] [Accepted: 04/18/2023] [Indexed: 05/11/2023]
Abstract
Bacteriophage L522, which infects Xanthomonas oryzae pv. oryzae, was isolated from a paddy leaf sample collected in Long An province, Vietnam. The phage shows myovirus morphology based on transmission electron microscopy. It displays a latent period and burst size of approximately 3 h and 63 new virions per infected cell (PFU/infected cell), respectively. The genome of L522 is 44,497 bp in length, with 52% GC content. Of the 63 genes identified, functions were predicted for 26. No virulence or antibiotic-resistance genes were detected. The results of a BLASTn search showed similarity to a previously reported Xanthomonas phage, with 85% average nucleotide sequence identity and 87.15% query coverage. Thus, this L522 is a representative of a new species in the genus Xipdecavirus.
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Affiliation(s)
- Pham D T My
- Faculty of Chemical Engineering, Ho Chi Minh City University of Technology (HCMUT), 268 Ly Thuong Kiet, District 10, Ho Chi Minh City, Vietnam
- Vietnam National University Ho Chi Minh City, Linh Trung Ward, Thu Duc District, Ho Chi Minh City, Vietnam
| | - Tu Q Vinh
- Faculty of Chemical Engineering, Ho Chi Minh City University of Technology (HCMUT), 268 Ly Thuong Kiet, District 10, Ho Chi Minh City, Vietnam
- Vietnam National University Ho Chi Minh City, Linh Trung Ward, Thu Duc District, Ho Chi Minh City, Vietnam
| | - To H Ngoc
- Faculty of Chemical Engineering, Ho Chi Minh City University of Technology (HCMUT), 268 Ly Thuong Kiet, District 10, Ho Chi Minh City, Vietnam
- Vietnam National University Ho Chi Minh City, Linh Trung Ward, Thu Duc District, Ho Chi Minh City, Vietnam
| | - Pham N Q Anh
- Faculty of Chemical Engineering, Ho Chi Minh City University of Technology (HCMUT), 268 Ly Thuong Kiet, District 10, Ho Chi Minh City, Vietnam
- Vietnam National University Ho Chi Minh City, Linh Trung Ward, Thu Duc District, Ho Chi Minh City, Vietnam
| | - Le T M Duyen
- Faculty of Chemical Engineering, Ho Chi Minh City University of Technology (HCMUT), 268 Ly Thuong Kiet, District 10, Ho Chi Minh City, Vietnam
- Vietnam National University Ho Chi Minh City, Linh Trung Ward, Thu Duc District, Ho Chi Minh City, Vietnam
| | - Nguyen M Thien
- Faculty of Chemical Engineering, Ho Chi Minh City University of Technology (HCMUT), 268 Ly Thuong Kiet, District 10, Ho Chi Minh City, Vietnam
- Vietnam National University Ho Chi Minh City, Linh Trung Ward, Thu Duc District, Ho Chi Minh City, Vietnam
| | - Le T T Tien
- Faculty of Chemical Engineering, Ho Chi Minh City University of Technology (HCMUT), 268 Ly Thuong Kiet, District 10, Ho Chi Minh City, Vietnam
- Vietnam National University Ho Chi Minh City, Linh Trung Ward, Thu Duc District, Ho Chi Minh City, Vietnam
| | - Vo T Phuc
- Faculty of Chemical Engineering, Ho Chi Minh City University of Technology (HCMUT), 268 Ly Thuong Kiet, District 10, Ho Chi Minh City, Vietnam
- Vietnam National University Ho Chi Minh City, Linh Trung Ward, Thu Duc District, Ho Chi Minh City, Vietnam
| | - Huynh N Oanh
- Faculty of Chemical Engineering, Ho Chi Minh City University of Technology (HCMUT), 268 Ly Thuong Kiet, District 10, Ho Chi Minh City, Vietnam
- Vietnam National University Ho Chi Minh City, Linh Trung Ward, Thu Duc District, Ho Chi Minh City, Vietnam
| | - Le P Nga
- Faculty of Chemical Engineering, Ho Chi Minh City University of Technology (HCMUT), 268 Ly Thuong Kiet, District 10, Ho Chi Minh City, Vietnam
- Vietnam National University Ho Chi Minh City, Linh Trung Ward, Thu Duc District, Ho Chi Minh City, Vietnam
| | - Hoang A Hoang
- Faculty of Chemical Engineering, Ho Chi Minh City University of Technology (HCMUT), 268 Ly Thuong Kiet, District 10, Ho Chi Minh City, Vietnam.
- Vietnam National University Ho Chi Minh City, Linh Trung Ward, Thu Duc District, Ho Chi Minh City, Vietnam.
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13
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Navez M, Antoine C, Laforêt F, Goya-Jorge E, Douny C, Scippo ML, Vermeersch M, Duprez JN, Daube G, Mainil J, Taminiau B, Delcenserie V, Thiry D. In Vitro Effect on Piglet Gut Microbiota and In Vivo Assessment of Newly Isolated Bacteriophages against F18 Enterotoxigenic Escherichia coli (ETEC). Viruses 2023; 15:v15051053. [PMID: 37243139 DOI: 10.3390/v15051053] [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: 03/02/2023] [Revised: 04/19/2023] [Accepted: 04/24/2023] [Indexed: 05/28/2023] Open
Abstract
Enterotoxigenic Escherichia coli (ETEC) causing post-weaning diarrhea (PWD) in piglets have a detrimental impact on animal health and economy in pig production. ETEC strains can adhere to the host's small intestinal epithelial cells using fimbriae such as F4 and F18. Phage therapy could represent an interesting alternative to antimicrobial resistance against ETEC infections. In this study, four bacteriophages, named vB_EcoS_ULIM2, vB_EcoM_ULIM3, vB_EcoM_ULIM8 and vB_EcoM_ULIM9, were isolated against an O8:F18 E. coli strain (A-I-210) and selected based on their host range. These phages were characterized in vitro, showing a lytic activity over a pH (4-10) and temperature (25-45 °C) range. According to genomic analysis, these bacteriophages belong to the Caudoviricetes class. No gene related to lysogeny was identified. The in vivo Galleria mellonella larvae model suggested the therapeutic potential of one selected phage, vB_EcoS_ULIM2, with a statistically significant increase in survival compared to non-treated larvae. To assess the effect of this phage on the piglet gut microbiota, vB_EcoS_ULIM2 was inoculated in a static model simulating the piglet intestinal microbial ecosystem for 72 h. This study shows that this phage replicates efficiently both in vitro and in vivo in a Galleria mellonella model and reveals the safety of the phage-based treatment on the piglet microbiota.
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Affiliation(s)
- Margaux Navez
- Laboratory of Bacteriology, Department of Infectious and Parasitic Diseases, FARAH and Faculty of Veterinary Medicine, University of Liege, 4000 Liege, Belgium
- Unit of Cardiovascular Sciences, Groupe Interdisciplinaire de Génoprotéomique Appliquée (GIGA), University of Liege, 4000 Liege, Belgium
| | - Céline Antoine
- Laboratory of Bacteriology, Department of Infectious and Parasitic Diseases, FARAH and Faculty of Veterinary Medicine, University of Liege, 4000 Liege, Belgium
- Laboratory of Food Quality Management, Food Science Department, FARAH and Faculty of Veterinary Medicine, University of Liège, 4000 Liege, Belgium
| | - Fanny Laforêt
- Laboratory of Bacteriology, Department of Infectious and Parasitic Diseases, FARAH and Faculty of Veterinary Medicine, University of Liege, 4000 Liege, Belgium
- Laboratory of Food Quality Management, Food Science Department, FARAH and Faculty of Veterinary Medicine, University of Liège, 4000 Liege, Belgium
| | - Elizabeth Goya-Jorge
- Laboratory of Food Quality Management, Food Science Department, FARAH and Faculty of Veterinary Medicine, University of Liège, 4000 Liege, Belgium
| | - Caroline Douny
- Laboratory of Food Analysis, Department of Food Sciences, FARAH and Faculty of Veterinary Medicine, University of Liège, 4000 Liege, Belgium
| | - Marie-Louise Scippo
- Laboratory of Food Analysis, Department of Food Sciences, FARAH and Faculty of Veterinary Medicine, University of Liège, 4000 Liege, Belgium
| | - Marjorie Vermeersch
- Center for Microscopy and Molecular Imaging, Electron Microscopy Laboratory, ULB, 6041 Gosselies, Belgium
| | - Jean-Noël Duprez
- Laboratory of Bacteriology, Department of Infectious and Parasitic Diseases, FARAH and Faculty of Veterinary Medicine, University of Liege, 4000 Liege, Belgium
| | - Georges Daube
- Laboratory of Food Microbiology, Fundamental and Applied Research for Animals & Health (FARAH), Department of Food Sciences, Faculty of Veterinary Medicine, University of Liege, 4000 Liege, Belgium
| | - Jacques Mainil
- Laboratory of Bacteriology, Department of Infectious and Parasitic Diseases, FARAH and Faculty of Veterinary Medicine, University of Liege, 4000 Liege, Belgium
| | - Bernard Taminiau
- Laboratory of Food Microbiology, Fundamental and Applied Research for Animals & Health (FARAH), Department of Food Sciences, Faculty of Veterinary Medicine, University of Liege, 4000 Liege, Belgium
| | - Véronique Delcenserie
- Laboratory of Food Quality Management, Food Science Department, FARAH and Faculty of Veterinary Medicine, University of Liège, 4000 Liege, Belgium
| | - Damien Thiry
- Laboratory of Bacteriology, Department of Infectious and Parasitic Diseases, FARAH and Faculty of Veterinary Medicine, University of Liege, 4000 Liege, Belgium
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14
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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. PROGRESS IN MOLECULAR BIOLOGY AND TRANSLATIONAL SCIENCE 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] [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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15
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Vidigal PMP, Hungaro HM. Genome sequencing of Pseudomonas fluorescens phage UFJF_PfSW6: a novel lytic Pijolavirus specie with potential for biocontrol in the dairy industry. 3 Biotech 2023; 13:67. [PMID: 36726557 PMCID: PMC9884711 DOI: 10.1007/s13205-023-03485-3] [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: 12/03/2022] [Accepted: 01/18/2023] [Indexed: 01/31/2023] Open
Abstract
The genomic characterization of phages with biocontrol potential against food-related bacteria is essential to future commercial applications. Here, we report the genome sequence of P. fluorescens phage UFJF_PfSW6 and a taxonomy proposal framing it as a novel phage species with great potential for biocontrol in the dairy industry. It showed a short linear double-stranded DNA genome (~ 39 kb) with a GC content of 21.2% and short DTR sequences of 215 bp. The genome of the UFJF_PfSW6 phage contains 48 genes with a unidirectional organization into three functional modules: DNA replication and metabolism, structural proteins, and DNA packing and host lysis. Thirteen promoters from phage and nine from host regulate these genes, and six Rho-independent terminators control their transcription. Twenty-seven genes of the UFJF_PfSW6 encode proteins with predicted functions. Comparative genome analysis revealed that the UFJF_PfSW6 genome shares 84% of genomic similarity with the genome sequence of the Pijolavirus PspYZU08, the only representative of the genus recognized so far. Therefore, our findings indicate that both phages are of the same genus, but UFJF_PfSW6 a is a novel Pijolavirus specie belonging to the Studiervirinae subfamily. Supplementary Information The online version contains supplementary material available at 10.1007/s13205-023-03485-3.
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Affiliation(s)
- Pedro Marcus Pereira Vidigal
- Núcleo de Análise de Biomoléculas (NuBioMol), Campus da UFV, Universidade Federal de Viçosa (UFV), Viçosa, MG 36570-900 Brazil
| | - Humberto Moreira Hungaro
- Departamento de Ciências Farmacêuticas, Faculdade de Farmácia, Universidade Federal de Juiz de Fora (UFJF), Juiz de Fora, MG 36036-900 Brazil
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16
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Turner D, Shkoporov AN, Lood C, Millard AD, Dutilh BE, Alfenas-Zerbini P, van Zyl LJ, Aziz RK, Oksanen HM, Poranen MM, Kropinski AM, Barylski J, Brister JR, Chanisvili N, Edwards RA, Enault F, Gillis A, Knezevic P, Krupovic M, Kurtböke I, Kushkina A, Lavigne R, Lehman S, Lobocka M, Moraru C, Moreno Switt A, Morozova V, Nakavuma J, Reyes Muñoz A, Rūmnieks J, Sarkar BL, Sullivan MB, Uchiyama J, Wittmann J, Yigang T, Adriaenssens EM. Abolishment of morphology-based taxa and change to binomial species names: 2022 taxonomy update of the ICTV bacterial viruses subcommittee. Arch Virol 2023; 168:74. [PMID: 36683075 PMCID: PMC9868039 DOI: 10.1007/s00705-022-05694-2] [Citation(s) in RCA: 94] [Impact Index Per Article: 94.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
This article summarises the activities of the Bacterial Viruses Subcommittee of the International Committee on Taxonomy of Viruses for the period of March 2021-March 2022. We provide an overview of the new taxa proposed in 2021, approved by the Executive Committee, and ratified by vote in 2022. Significant changes to the taxonomy of bacterial viruses were introduced: the paraphyletic morphological families Podoviridae, Siphoviridae, and Myoviridae as well as the order Caudovirales were abolished, and a binomial system of nomenclature for species was established. In addition, one order, 22 families, 30 subfamilies, 321 genera, and 862 species were newly created, promoted, or moved.
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Affiliation(s)
- Dann Turner
- School of Applied Sciences, College of Health, Science and Society, University of the West of England, Bristol, BS16 1QY UK
| | - Andrey N. Shkoporov
- Department of Medicine and APC Microbiome Ireland, School of Microbiology, University College Cork, Cork, Ireland
| | - Cédric Lood
- Department of Biosystems, Faculty of Bioscience Engineering, KU, Leuven, Belgium
| | - Andrew D. Millard
- Department of Genetics and Genome Biology, University of Leicester, University Road, Leicester, UK
| | - Bas E. Dutilh
- Institute of Biodiversity, Faculty of Biological Sciences, Cluster of Excellence Balance of the Microverse, Friedrich-Schiller-University Jena, 07743 Jena, Germany
- Theoretical Biology and Bioinformatics, Science for Life, Utrecht University, Padualaan 8, Utrecht, 3584 CH The Netherlands
| | | | - Leonardo J. van Zyl
- Institute for Microbial Biotechnology and Metagenomics (IMBM), Department of Biotechnology, University of the Western Cape, 7535 Bellville, Cape Town, South Africa
| | - Ramy K. Aziz
- Department of Microbiology and Immunology, Faculty of Pharmacy, Cairo University, 11562 Cairo, Egypt
- Egypt/ and Children’s Cancer Hospital, 57357, 11617 Cairo, Egypt
| | - Hanna M. Oksanen
- Molecular and Integrative Biosciences Research Programme, Faculty of Biological and Environmental Sciences, University of Helsinki, Viikinkaari 9, 00014 Helsinki, Finland
| | - Minna M. Poranen
- Molecular and Integrative Biosciences Research Programme, Faculty of Biological and Environmental Sciences, University of Helsinki, Viikinkaari 9, 00014 Helsinki, Finland
| | - Andrew M. Kropinski
- Department of Pathobiology, Ontario Veterinary College, University of Guelph, Guelph, ON N1G 2W1 Canada
| | - Jakub Barylski
- Department of Molecular Virology, Adam Mickiewicz University in Poznan, Poznan, Poland
| | - J Rodney Brister
- National Center for Biotechnology Information, National Library of Medicine, National Institutes of Health, Bethesda, MD 20894 USA
| | - Nina Chanisvili
- The Eliava Institute of Bacteriophage, Microbiology and Virology, Tbilisi, Georgia
| | - Rob A. Edwards
- Flinders Accelerator for Microbiome Exploration, Adelaide, Australia
| | - François Enault
- Université Clermont Auvergne, CNRS, LMGE, Clermont-Ferrand, France
| | - Annika Gillis
- Laboratory of Food and Environmental Microbiology, Université Catholique de Louvain, Croix du Sud 2, L7.05.12, 1348 Louvain-la-Neuve, Belgium
| | - Petar Knezevic
- PK Lab, Department of Biology and Ecology, Faculty of Sciences, University of Novi Sad, Trg Dositeja Obradovica 3, Novi Sad, Serbia
| | - Mart Krupovic
- Archaeal Virology Unit, Institut Pasteur, Université Paris Cité, CNRS UMR6047, Paris, 75015 France
| | - Ipek Kurtböke
- School of Science, Technology and Engineering, University of the Sunshine Coast, 4558 Maroochydore, BC, QLD Australia
| | - Alla Kushkina
- Department of Bacteriophage molecular genetics, D.K.Zabolotny Institute of microbiology and virology, NAS of Ukraine, 154 Acad. Zabolotnoho str, 03143 Kyiv, Ukraine
- Department of Bacterial molecular genetics, Faculty of biology, University of Gdansk, Wita Stwosza 59, 80-308 Gdansk, Poland
| | - Rob Lavigne
- Department of Biosystems, Faculty of Bioscience Engineering, KU, Leuven, Belgium
| | - Susan Lehman
- Center for Biologics Evaluation and Research, Food and Drug Administration, Silver Spring, MD USA
| | - Malgorzata Lobocka
- Institute of Biochemistry and Biophysics, Polish Academy of Sciences, Warsaw, Poland
| | - Cristina Moraru
- Institute for Chemistry and Biology of the Marine Environment, University of Oldenburg, Oldenburg, Germany
| | - Andrea Moreno Switt
- Escuela de Medicina Veterinaria, Facultad de Agronomía e Ingeniería Forestal, Facultad de Ciencias Biológicas y Facultad de Medicina, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Vera Morozova
- Laboratory of Molecular Microbiology, Institute of Chemical Biology and Fundamental Medicine SB RAS, Novosibirsk, Russia
| | - Jesca Nakavuma
- College of Veterinary Medicine, Animal Resources and Biosecurity, Makerere University, P. O. Box 7062, Kampala, Uganda
| | - Alejandro Reyes Muñoz
- Max Planck Tandem Group in Computational Biology, Departamento de Ciencias Biológicas, Universidad de los Andes, 111711 Bogotá, Colombia
| | - Jānis Rūmnieks
- Latvian Biomedical Research and Study Center, 1067 Riga, Latvia
| | - BL Sarkar
- ICMR-National Institute of Cholera and Enteric Diseases (NICED), Kolkata, India
| | - Matthew B. Sullivan
- Departments of Microbiology and Civil, Environmental, and Geodetic Engineering, Ohio State University, Columbus, OH 43210 USA
| | - Jumpei Uchiyama
- Department of Bacteriology, Graduate School of Medicine Dentistry and Pharmaceutical Sciences, Okayama University, 1-1-1, Tsushima-naka, Kita-ku, Okayama, 7008530 Japan
| | - Johannes Wittmann
- Leibniz Institute DSMZ - German Collection of Microorganisms and Cell Cultures GmbH, Inhoffenstr. 7B, 38124 Braunschweig, Germany
| | - Tong Yigang
- College of Life Science and Technology, Beijing University of Chemical Technology, Beijing, 100029 China
| | - Evelien M. Adriaenssens
- Quadram Institute Bioscience, Rosalind Franklin Road, Norwich Research Park, Norwich, NR4 7UQ UK
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17
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Pradal I, Casado A, del Rio B, Rodriguez-Lucas C, Fernandez M, Alvarez MA, Ladero V. Enterococcus faecium Bacteriophage vB_EfaH_163, a New Member of the Herelleviridae Family, Reduces the Mortality Associated with an E. faecium vanR Clinical Isolate in a Galleria mellonella Animal Model. Viruses 2023; 15:179. [PMID: 36680219 PMCID: PMC9860891 DOI: 10.3390/v15010179] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2022] [Revised: 12/22/2022] [Accepted: 01/03/2023] [Indexed: 01/11/2023] Open
Abstract
The rise of antimicrobial resistant (AMR) bacteria is a major health concern, especially with regard to members of the ESKAPE group, to which vancomycin-resistant (VRE) Enterococcus faecium belongs. Phage therapy has emerged as a novel alternative for the treatment of AMR infections. This, however, relies on the isolation and characterisation of a large collection of phages. This work describes the exploration of human faeces as a source of new E. faecium-infecting phages. Phage vB_EfaH_163 was isolated and characterised at the microbiological, genomic, and functional levels. vB_EfaH_163 phage, a new member of Herelleviridae, subfamily Brockvirinae, has a dsDNA genome of 150,836 bp that does not harbour any virulence factors or antibiotic resistance genes. It infects a wide range of E. faecium strains of different origins, including VRE strains. Interestingly, it can also infect Enterococcus faecalis strains, even some that are linezolid-resistant. Its capacity to control the growth of a clinical VRE isolate was shown in broth culture and in a Galleria mellonella animal model. The discovery and characterisation of vB_EfaH_163 increases the number of phages that might be used therapeutically against AMR bacteria.
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Affiliation(s)
- Inés Pradal
- Department of Technology and Biotechnology of Dairy Products, Dairy Research Institute, IPLA-CSIC, 33300 Villaviciosa, Spain
| | - Angel Casado
- Department of Technology and Biotechnology of Dairy Products, Dairy Research Institute, IPLA-CSIC, 33300 Villaviciosa, Spain
| | - Beatriz del Rio
- Department of Technology and Biotechnology of Dairy Products, Dairy Research Institute, IPLA-CSIC, 33300 Villaviciosa, Spain
- Instituto de Investigación Sanitaria del Principado de Asturias (ISPA), 33011 Oviedo, Spain
| | - Carlos Rodriguez-Lucas
- Instituto de Investigación Sanitaria del Principado de Asturias (ISPA), 33011 Oviedo, Spain
- Microbiology Laboratory, Hospital el Bierzo, 24404 Ponferrada, Spain
- Microbiology Laboratory, Hospital Universitario de Cabueñes, 33394 Gijón, Spain
| | - Maria Fernandez
- Department of Technology and Biotechnology of Dairy Products, Dairy Research Institute, IPLA-CSIC, 33300 Villaviciosa, Spain
- Instituto de Investigación Sanitaria del Principado de Asturias (ISPA), 33011 Oviedo, Spain
| | - Miguel A. Alvarez
- Department of Technology and Biotechnology of Dairy Products, Dairy Research Institute, IPLA-CSIC, 33300 Villaviciosa, Spain
- Instituto de Investigación Sanitaria del Principado de Asturias (ISPA), 33011 Oviedo, Spain
| | - Victor Ladero
- Department of Technology and Biotechnology of Dairy Products, Dairy Research Institute, IPLA-CSIC, 33300 Villaviciosa, Spain
- Instituto de Investigación Sanitaria del Principado de Asturias (ISPA), 33011 Oviedo, Spain
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18
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Nagel TE, Mutai IJ, Josephs T, Clokie MR. A Brief History of Phage Research and Teaching in Africa. PHAGE (NEW ROCHELLE, N.Y.) 2022; 3:184-193. [PMID: 36793885 PMCID: PMC9917308 DOI: 10.1089/phage.2022.29037.inp] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Affiliation(s)
| | | | - Theodore Josephs
- Department of Genetics and Genome Biology, University of Leicester, Leicester, United Kingdom
| | - Martha R.J. Clokie
- Department of Genetics and Genome Biology, University of Leicester, Leicester, United Kingdom
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Wang Y, Liu Z, Chen Q, Yi L, Xu Z, Cai M, Qin J, Zhang Y, Du G, Hong J, Guo X, Liu C. Isolation and characterization of novel Fusobacterium nucleatum bacteriophages. Front Microbiol 2022; 13:945315. [PMID: 36406437 PMCID: PMC9670143 DOI: 10.3389/fmicb.2022.945315] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2022] [Accepted: 10/06/2022] [Indexed: 10/03/2023] Open
Abstract
Fusobacterium nucleatum is a strictly anaerobic, Gram-negative bacterial species that is a member of the commensal flora in the oral cavity and gut. Recent studies suggested that the increase of abundance is associated with the development of various diseases, among which colorectal cancer is of the biggest concerns. Phage therapy is regarded as a potential approach to control the number of F. nucleatum, which may contribute to the prevention and treatment of related diseases. In this study, we isolated five isolates of bacteriophage targeting F. nucleatum. The morphological, biological, genomic and functional characteristics of five bacteriophages were investigated. Transmission electron microscopy revealed that JD-Fnp1 ~ JD-Fnp5 are all myoviruses. The size of the JD-Fnp1 ~ JD-Fnp5 genomes was 180,066 bp (JD-Fnp1), 41,329 bp (JD-Fnp2), 38,962 bp (JD-Fnp3), 180,231 bp (JD-Fnp4), and 41,353 bp (JD-Fnp5) respectively. The biological features including pH and heat stability, host range, growth characteristics of JD-Fnp1 ~ JD-Fnp5 displayed different patterns. Among them, JD-Fnp4 is considered to have the greatest clinical application value. The identification and characterization of JD-Fnp1 ~ JD-Fnp5 provides a basis for subsequent therapeutic strategy exploration of F. nucleatum-related diseases.
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Affiliation(s)
- Yue Wang
- Department of Immunology and Microbiology, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Zhitong Liu
- Department of Immunology and Microbiology, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Qian Chen
- Research Institute of Intestinal Diseases, Shanghai Tenth People’s Hospital, Tongji University School of Medicine, Shanghai, China
| | - Liqi Yi
- Department of Immunology and Microbiology, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Zihao Xu
- Department of Immunology and Microbiology, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Mufeng Cai
- Department of Immunology and Microbiology, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Jinhong Qin
- Department of Immunology and Microbiology, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yan Zhang
- School of Global Health, Chinese Center for Tropical Diseases Research, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Guanhuan Du
- Department of Oral Mucosal Diseases, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- College of Stomatology, Shanghai Jiao Tong University, National Center for Stomatology, National Clinical Research Center for Oral Diseases, Shanghai Key Laboratory of Stomatology, Shanghai, China
| | - Jie Hong
- State Key Laboratory for Oncogenes and Related Genes, Key Laboratory of Gastroenterology and Hepatology, Ministry of Health, Division of Gastroenterology and Hepatology, Shanghai Cancer Institute, Shanghai Institute of Digestive Disease, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Xiaokui Guo
- School of Global Health, Chinese Center for Tropical Diseases Research, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Key Laboratory of Parasite and Vector Biology, Ministry of Health, Shanghai, China
| | - Chang Liu
- Department of Immunology and Microbiology, Shanghai Jiao Tong University School of Medicine, Shanghai, China
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Isolation, Characterization, and Genome Analysis of a Novel Bacteriophage, Escherichia Phage vB_EcoM-4HA13, Representing a New Phage Genus in the Novel Phage Family Chaseviridae. Viruses 2022; 14:v14112356. [PMID: 36366454 PMCID: PMC9699118 DOI: 10.3390/v14112356] [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: 09/27/2022] [Revised: 10/18/2022] [Accepted: 10/21/2022] [Indexed: 02/01/2023] Open
Abstract
Shiga toxin-producing Escherichia coli (STEC) is one of the leading causes of foodborne illnesses in North America and can lead to severe symptoms, with increased fatality risk for young children. While E. coli O157:H7 remains the dominant STEC serotype associated with foodborne outbreaks, there has been an increasing number of non-O157 STEC outbreaks in recent years. For the food industry, lytic bacteriophages offer an organic, self-limiting alternative to pathogen reduction-one that could replace or reduce the use of chemical and physical food processing methods. From EHEC-enriched sewage, we isolated a novel bacteriophage, vB_EcoM-4HA13 (4HA13). Phenotypic characterizations revealed 4HA13 to possess a myoviral morphotype, with a high specificity to non-motile O111 serotype, and a long latent period (90 min). Through genomic analyses, this 52,401-bp dsDNA phage was found to contain 81 CDS, but no detectable presence of antibiotic resistance, integrase, or virulence genes. A BLASTn search for each of the identified 81 CDS yielded homologues with low levels of similarity. Comparison of RNA polymerase and terminase large subunit amino acid sequences led to the proposal and acceptance of a new bacteriophage family, Chaseviridae, with 4HA13 representing a new species and genus. The discovery of this phage has broadened our current knowledge of bacteriophage diversity.
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Complete Genome Sequences of Five Phietaviruses Infecting Staphylococcus aureus. Microbiol Resour Announc 2022; 11:e0085522. [PMID: 36173192 PMCID: PMC9583785 DOI: 10.1128/mra.00855-22] [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: 11/20/2022] Open
Abstract
The annotated whole-genome sequences of five cultured phietaviruses infecting Staphylococcus aureus are presented. They are closely related to prophages that were previously sequenced as part of S. aureus genomes.
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22
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Two Newly Isolated Enterobacter-Specific Bacteriophages: Biological Properties and Stability Studies. Viruses 2022; 14:v14071518. [PMID: 35891499 PMCID: PMC9319786 DOI: 10.3390/v14071518] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2022] [Revised: 07/05/2022] [Accepted: 07/08/2022] [Indexed: 11/28/2022] Open
Abstract
In an era of antibiotic therapy crisis caused by spreading antimicrobial resistance, and when recurrent urinary tract infections constitute a serious social and medical problem, the isolation and complex characterization of phages with a potential therapeutic application represents a promising solution. It is an inevitable, and even a necessary direction in the development of current phage research. In this paper, we present two newly isolated myoviruses that show lytic activity against multidrug-resistant clinical isolates of Enterobacter spp. (E. cloacae, E. hormaechei, and E. kobei), the genomes of which belong to a poorly represented phage group. Both phages were classified as part of the Tevenvirinae subfamily (Entb_43 was recognized as Karamvirus and Entb_45 as Kanagawavirus). Phage lytic spectra ranging from 40 to 60% were obtained. The most effective phage-to-bacteria ratios (MOI = 0.01 and MOI = 0.001) for both the phage amplification and their lytic activity against planktonic bacteria were also estimated. Complete adsorption to host cells were obtained after about 20 min for Entb_43 and 10 min for Entb_45. The phage lysates retained their initial titers even during six months of storage at both −70 °C and 4 °C, whereas storage at 37 °C caused a complete loss in their activity. We showed that phages retained their activity after incubation with solutions of silver and copper nanoparticles, which may indicate possible synergistic antibacterial activity. Moreover, a significant reduction in phage titers was observed after incubation with a disinfectant containing octenidinum dihydrochloridum and phenoxyethanol, as well as with 70% ethanol. The observed maintenance of phage activity during incubation in a urine sample, along with other described properties, may suggest a therapeutic potential of phages at the infection site after intravesical administration.
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23
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Olsen NS, Lametsch R, Wagner N, Hansen LH, Kot W. Salmonella phage akira, infecting selected Salmonella enterica Enteritidis and Typhimurium strains, represents a new lineage of bacteriophages. Arch Virol 2022; 167:2049-2056. [PMID: 35764845 DOI: 10.1007/s00705-022-05477-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2021] [Accepted: 04/08/2022] [Indexed: 11/02/2022]
Abstract
Some serovars of Salmonella can cause life-threatening diarrhoeal diseases and bacteriemia. The emergence of multidrug-resistant strains has led to a need for alternative treatments such as phage therapy, which requires available, well-described, diverse, and suitable phages. Phage akira was found to lyse 19 out of 32 Salmonella enterica serovars and farm isolates tested, although plaque formation was observed with only two S. Enteritidis and one S. Typhimurium strain. Phage akira encodes anti-defence genes against type 1 R-M systems, is distinct (<65% nucleotide sequence identity) from related phages and has siphovirus morphology. We propose that akira represents a new genus in the class Caudoviricetes.
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Affiliation(s)
- Nikoline S Olsen
- Department of Plant and Environmental Sciences, Faculty of Science, University of Copenhagen, Thorvaldsensvej 40, 1871, Frederiksberg, Denmark.
| | - René Lametsch
- Department of Food Science, Faculty of Science, University of Copenhagen, Rolighedsvej 26, 1958, Frederiksberg, Denmark
| | - Natalia Wagner
- Institute for Microbiology and Biotechnology, Max Rubner-Institut, Hermann-Weigmann-Str. 1, 24103, Kiel, Denmark
| | - Lars Hestbjerg Hansen
- Department of Plant and Environmental Sciences, Faculty of Science, University of Copenhagen, Thorvaldsensvej 40, 1871, Frederiksberg, Denmark
| | - Witold Kot
- Department of Plant and Environmental Sciences, Faculty of Science, University of Copenhagen, Thorvaldsensvej 40, 1871, Frederiksberg, Denmark.
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