ArticleVirology journal2025
Isolation and characterization of fMGyn-Pae01, a phiKZ-like jumbo phage infecting Pseudomonas aeruginosa.
Article in Virology journal, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed.
- Systems engineering of engineered live biotherapeutics: A discovery-to-translation framework for streamlining microbiome therapeutic development.Journal of controlled release : official journal of the Controlled Release Society · 2026Review
- Phage host range: determinants, dynamics and applications.Nature reviews. Microbiology · 2026Review
- Genomic and phenotypic characterization of novel jumbo and small bacteriophages infectingMicrobiology spectrum · 2026Article
- Intracellular barriers and receptor masking limit success of abioRxiv : the preprint server for biology · 2026Article
- A novel jumbo phage infecting Pseudomonas aeruginosa: genomic insights and phylogenetic classification.Archives of microbiology · 2026Article
- A temperate phage encoding a catalytically active endolysin: characterization of phage P7869 and its Lys7869 against Pseudomonas aeruginosa.BMC microbiology · 2026Article
- Steering the course: targeting and exploiting surface receptors in phage therapy.Journal of bacteriology · 2026Review
- Understanding phage Receptor-binding protein interaction with host surface receptor: the key for phage-Mediated detection and elimination of Pseudomonas aeruginosa.European journal of clinical microbiology & infectious diseases : official publication of the European Society of Clinical Microbiology · 2025Review
- Therapeutic application of a jumbo bacteriophage against metallo-β-lactamase producing Pseudomonas aeruginosa clinical isolates.Journal of biomedical science · 2025Article
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3 authors.
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Abstract
backgroundPseudomonas aeruginosa is an opportunistic pathogen that causes a wide variety of infections, and belongs to the group of ESKAPE pathogens that are the leading cause of healthcare-associated infections and have high level of antibiotic resistance. The treatment of infections caused by antibiotic-resistant P. aeruginosa is challenging, which makes it a common target for phage therapy. The successful utilization of phage therapy requires a collection of well characterized phages.
methodsPhage fMGyn-Pae01 was isolated from a commercial phage therapy cocktail. The phage morphology was studied by transmission electron microscopy and the host range was analyzed with a liquid culture method. The phage genome was sequenced and characterized, and the genome was compared to closest phage genomes. Phage resistant bacterial mutants were isolated and whole genome sequencing and motility, phage adsorption and biofilm formation assays were performed to the mutants and host bacterium.
resultsThe genomic analysis revealed that fMGyn-Pae01 is a lytic, phiKZ-like jumbo phage with genome size of 277.8 kb. No genes associated with lysogeny, bacterial virulence, or antibiotic resistance were identified. Phage fMGyn-Pae01 did not reduce biofilm formation of P. aeruginosa, suggesting that it may not be an optimal phage to be used in monophage therapy in conditions where biofilm formation is expected. Host range screening revealed that fMGyn-Pae01 has a wide host range among P. aeruginosa strains and its infection was not dependent on O-serotype. Whole genome sequencing of the host bacterium and phage resistant mutants revealed that the mutations had inactivated either a flagellar or rpoN gene, thereby preventing the biosynthesis of a functional flagellum. The lack of functional flagella was confirmed in motility assays. Additionally, fMGyn-Pae01 failed to adsorb on non-motile mutants indicating that the bacterial flagellum is the phage-binding receptor.
conclusionfMGyn-Pae01 is a phiKZ-like jumbo phage infecting P. aeruginosa. fMGyn-Pae01 uses the flagellum as its phage-binding receptor, supporting earlier suggestions that flagellum might be utilized by phiKZ but differs from some other previous findings showing that phiKZ-like phages use the type-IV pili as the phage-binding receptor.
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