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DNA Bacteriophages01:26

DNA Bacteriophages

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Bacteriophages, or phages, are viruses that specifically infect bacteria, utilizing their genetic material to hijack host cellular machinery for replication. DNA bacteriophages employ single-stranded DNA (ssDNA) or double-stranded DNA (dsDNA) genomes. These phages exhibit diverse replication strategies and host interactions, influencing their ecological roles and applications in biotechnology and medicine.ssDNA BacteriophagesssDNA phages, with their small genomes, utilize unique strategies to...
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Bacteriophages, also known as phages, are specialized viruses that infect bacteria. A key characteristic of phages is their distinctive “head-tail” morphology. A phage begins the infection process (i.e., lytic cycle) by attaching to the outside of a bacterial cell. Attachment is accomplished via proteins in the phage tail that bind to specific receptor proteins on the outer surface of the bacterium. The tail injects the phage’s DNA genome into the bacterial cytoplasm. In the...
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The lysogenic cycle is a crucial viral replication strategy that allows bacteriophages to persist within host cells without immediately destroying them. This process is primarily observed in temperate phages, such as bacteriophage lambda (λ), which infects Escherichia coli. The cycle allows the viral genome to persist across bacterial generations while keeping host cells viable.Integration of the Viral GenomeUpon infection, bacteriophage lambda attaches to the bacterial surface and injects...
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Related Experiment Video

Updated: Oct 22, 2025

Expression and Purification of Virus-like Particles for Vaccination
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RNA Phage VLP-Based Vaccine Platforms.

David S Peabody1, Julianne Peabody1, Steven B Bradfute2

  • 1Department of Molecular Genetics and Microbiology, University of New Mexico School of Medicine, Albuquerque, NM 87131, USA.

Pharmaceuticals (Basel, Switzerland)
|August 28, 2021
PubMed
Summary
This summary is machine-generated.

RNA phage virus-like particles (VLPs) are effective platforms for delivering vaccine antigens. This review updates the development of these RNA phage VLPs for presenting diverse antigens using genetic, enzymatic, and chemical methods.

Keywords:
RNA bacteriophageVLPvaccinesvirus-like particle

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Area of Science:

  • Virology
  • Immunology
  • Biotechnology

Background:

  • Virus-like particles (VLPs) derived from RNA bacteriophages show promise as vaccine delivery systems.
  • These VLPs can present antigens in a highly immunogenic format.

Purpose of the Study:

  • To provide an updated overview of RNA phage VLPs as antigen presentation platforms.
  • To discuss various methods for displaying diverse antigens on these VLPs.

Main Methods:

  • Review of current literature on RNA phage VLP development.
  • Analysis of genetic display methods for antigen presentation.
  • Evaluation of enzymatic and chemical display strategies.

Main Results:

  • RNA phage VLPs are versatile platforms for antigen display.
  • Genetic, enzymatic, and chemical methods enable presentation of diverse antigens.
  • The development of these platforms is advancing for vaccine applications.

Conclusions:

  • RNA phage VLPs represent a promising and adaptable platform for vaccine development.
  • Continued research into display methods will enhance their utility for presenting a wide range of antigens.