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A Roadmap for Genome-Based Phage Taxonomy.

Dann Turner1, Andrew M Kropinski2,3, Evelien M Adriaenssens4

  • 1Department of Applied Sciences, University of the West of England, Bristol BS16 1QY, UK.

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Summary
This summary is machine-generated.

Bacteriophage taxonomy is evolving due to genome sequencing. This study proposes abolishing the order Caudovirales and its families, establishing new guidelines for tailed phage classification.

Keywords:
CaudoviralesMyoviridaePodoviridaeSiphoviridaedemarcation criteriaphage classificationphage taxonomy

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Area of Science:

  • Microbiology
  • Virology
  • Bioinformatics

Background:

  • Bacteriophage taxonomy has undergone significant changes over the past four decades.
  • Genome sequencing technologies have necessitated a re-evaluation of existing phage classification systems.
  • Recent advancements have led to substantial revisions in phage taxonomy.

Purpose of the Study:

  • To reflect on the current state of bacteriophage taxonomy.
  • To propose a future roadmap for phage classification.
  • To introduce guidelines for demarcating species, genus, subfamily, and family ranks within tailed phages.

Main Methods:

  • Review of historical and current bacteriophage classification systems.
  • Analysis of genomic data to inform taxonomic revisions.
  • Development of a proposal for restructuring the order Caudovirales.

Main Results:

  • The study advocates for the abolition of the order Caudovirales and its constituent families (Myoviridae, Podoviridae, Siphoviridae).
  • New guidelines are proposed for the hierarchical classification of tailed phages.
  • A revised taxonomic framework is presented to accommodate genomic diversity.

Conclusions:

  • The proposed changes aim to create a more robust and accurate system for bacteriophage classification.
  • The abolition of Caudovirales and the establishment of new guidelines will improve the organization of phage taxonomy.
  • This work provides a clear path forward for the future of bacteriophage systematics.