ArticleMicrobiome2023
Variants of a putative baseplate wedge protein extend the host range of Pseudomonas phage K8.
Article in Microbiome, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed.
- Genetic engineering of cyanophages for harmful cyanobacterial bloom treatment-A mini review.Synthetic and systems biotechnology · 2027Review
- Phage Φ170 biocontrol of multidrug-resistantMicrobiology spectrum · 2026Article
- Development of the first EuropeanFrontiers in microbiology · 2026Article
- Genomic, Evolutionary and Phenotypic Insights intoViruses · 2025Article
- Coexistence of virome-encoded health-associated genes and pathogenic genes in global habitats.Applied and environmental microbiology · 2025Article
- Polyvalent phage GSP004 recognizes O-antigen polysaccharide receptors inJournal of virology · 2025Article
- Directed evolution of phages in biofilms enhances Pseudomonas aeruginosa control through improved lipopolysaccharide recognition.Nature communications · 2025Article
- Article
- Engineering bacteriophages through deep mining of metagenomic motifs.Science advances · 2025Article
- Integrating Subacute Ruminal Acidosis, Lipopolysaccharide, and Trained Immunity: A Comprehensive Review.International journal of biological sciences · 2025Review
- NewInternational journal of molecular sciences · 2024Article
- Coevolutionary phage training and Joint application delays the emergence of phage resistance inVirus evolution · 2023Article
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Authors and funding
13 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundNarrow host range is a major limitation for phage applications, but phages can evolve expanded host range through adaptations in the receptor-binding proteins.
resultsHere, we report that Pseudomonas phage K8 can evolve broader host range and higher killing efficiency at the cost of virion stability. Phage K8 host range mutant K8-T239A carries a mutant version of the putative baseplate wedge protein GP075, termed GP075m. While phage K8 adsorbs to hosts via the O-specific antigen of bacterial LPS, phage K8-T239A uses GP075m to also bind the bacterial core oligosaccharide, enabling infection of bacterial strains resistant to K8 infection due to modified O-specific antigens. This mutation in GP075 also alters inter-protein interactions among phage proteins, and reduces the stability of phage particles to environmental stressors like heat, acidity, and alkalinity. We find that a variety of mutations in gp075 are widespread in K8 populations, and that the gp075-like genes are widely distributed among the domains of life.
conclusionOur data show that a typical life history tradeoff occurs between the stability and the host range in the evolution of phage K8. Reservoirs of viral gene variants may be widely present in phage communities, allowing phages to rapidly adapt to any emerging environmental stressors. Video Abstract.
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