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ICTV Virus Taxonomy Profile: Pleolipoviridae

Dennis H Bamford1, Maija K Pietilä2, Elina Roine1

  • 1Department of Biosciences, University of Helsinki, Viikinkaari 9B, FI-00014, Helsinki, Finland.

The Journal of General Virology
|November 11, 2017
PubMed

Insights

Pleolipoviruses are enveloped archaeal viruses with DNA genomes that infect halophilic archaea. These viruses exhibit a narrow host range and a persistent, non-lytic life cycle.

Area of Science:

  • Virology
  • Archaea Biology
  • Extremophile Research

Background:

  • Pleolipoviruses are a family of archaeal viruses.
  • These viruses infect extremely halophilic archaea within the class Halobacteria.
  • They possess pseudo-spherical to pleomorphic shapes and are enveloped virions.

Purpose of the Study:

  • To summarize the taxonomy of the family Pleolipoviridae.
  • To provide an overview of pleolipovirus characteristics based on the ICTV report.

Main Methods:

  • Review of the International Committee on Taxonomy of Viruses (ICTV) report.
  • Analysis of existing data on pleolipovirus morphology, genome, and host interactions.

Main Results:

  • Pleolipoviruses contain DNA genomes ranging from approximately 7-16 kilobase pairs.
  • Virions typically feature a single transmembrane spike protein and a single internal membrane protein.
  • Infection is restricted to extremely halophilic archaea, with a narrow host range observed.

Conclusions:

  • Pleolipoviruses are characterized by their unique structure, genome, and host specificity.
  • Their persistent, non-lytic life cycle distinguishes them from many other viral families.
  • This summary provides a taxonomic overview of Pleolipoviridae for the scientific community.
Keywords:
Halorubrum pleomorphic virus 1ICTVPleolipoviridaetaxonomy

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