Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Viruses of Archaea

Viruses of Archaea

Archaeal viruses play a crucial role in the ecosystems of extremophilic archaea, particularly those belonging to the phyla Euryarchaeota and Crenarchaeota. By shaping host evolution and facilitating gene transfer, these viruses influence microbial communities and contribute to genetic diversity in extreme environments. The archaea they infect thrive in acidic hot springs and hydrothermal vents characterized by high temperatures and low pH. Archaeal viruses exhibit remarkable structural...

Viruses with RNA Genomes

Viruses with RNA Genomes

RNA viruses are categorized into positive-strand, negative-strand, or double-stranded groups based on their genomic structure and replication mechanisms. This classification dictates how they exploit host cellular machinery for protein synthesis and replication. Some RNA viruses also utilize reverse transcription as part of their life cycle, further diversifying their replication strategies.Positive-Strand RNA VirusesPositive-strand RNA viruses have genomes that function directly as messenger...

Retroviruses

Retroviruses

Retroviruses and retrotransposons both insert copies of their genetic elements into the genome of the host cell. Thus, the viral genes are passed on when the host genome is replicated or translated. A typical retroviral DNA sequence contains 3-4 genes that encode the different proteins required for its structural assembly and function as a molecular parasite. This DNA is transcribed into a single mRNA, which is very similar in structure to conventional mRNAs, i.e., it is capped at the 5’...

Diversity of Archaea II

Diversity of Archaea II

Archaea, one of the three domains of life, exhibit remarkable diversity and adaptability, thriving in both extreme and moderate environments. Historically, most identified archaea have been classified into two major phyla: Euryarchaeota and Crenarchaeota. However, recent molecular studies have expanded this classification to include three additional phyla: Thaumarchaeota, Nanoarchaeota, and Korarchaeota, each exhibiting unique characteristics and ecological roles.Thaumarchaeota: Mesophiles...

The Antiviral System of Bacteria and Archaea: CRISPR

The Antiviral System of Bacteria and Archaea: CRISPR

CRISPR stands for Clustered Regularly Interspaced Short Palindromic Repeats is a adaptive immune system found in bacteria and archaea that protects against viral infections. This system enables prokaryotic cells to identify, remember, and neutralize foreign genetic elements, primarily bacteriophages, by storing fragments of the invader’s DNA as a genetic memory.The CRISPR immune response begins during an initial infection. Cas (CRISPR-associated) proteins play a central role in this defense.

Overview of Archaea

Overview of Archaea

Archaea, named after the Archaean eon, represent a unique domain of life, distinct from bacteria and eukaryotes, with remarkable traits. Their cellular and molecular features, ecological adaptability, and industrial relevance highlight their importance in understanding life processes and leveraging biotechnology.Cellular and Molecular CharacteristicsA defining feature of archaea is their unique membrane composition. Archaeal membranes contain ether-linked isoprenoid lipids, which confer...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

MIFE and MIFD: Minimum information for fermentation experiments and devices.

GigaScience·2026

Same author

Impact of sulfur-cycling metabolism during microbial succession in CO<sub>2</sub>-reducing biocathodes.

Bioresource technology·2025

Same author

Extensive lateral gene transfer between proto-eukaryotes and <i>Heimdallarchaeia</i> suggests their close association during eukaryogenesis.

mLife·2025

Same author

Erratum: Summary of taxonomy changes ratified by the International Committee on Taxonomy of Viruses (ICTV) from the Archaeal Viruses Subcommittee, 2025.

The Journal of general virology·2025

Same author

Summary of taxonomy changes ratified by the International Committee on Taxonomy of Viruses (ICTV) from the Archaeal Viruses Subcommittee, 2025.

The Journal of general virology·2025

Same author

ICTV Virus Taxonomy Profile: <i>Adnaviria</i> 2025.

The Journal of general virology·2025

Search research articles

Related Experiment Video

Updated: Jun 2, 2026

Combining Analysis of DNA in a Crude Virion Extraction with the Analysis of RNA from Infected Leaves to Discover New Virus Genomes

Combining Analysis of DNA in a Crude Virion Extraction with the Analysis of RNA from Infected Leaves to Discover New Virus Genomes

Published on: July 27, 2018

The archeoviruses.

Mery Pina¹, Ariane Bize, Patrick Forterre

¹Institut Pasteur, Molecular Biology of the Gene in Extremophiles Unit, Paris, France.

FEMS Microbiology Reviews

|May 17, 2011

Summary

This summary is machine-generated.

Archeoviruses, viruses infecting Archaea, exhibit unique structures and life cycles. This review explores their distinct biology and evolutionary significance.

More Related Videos

Arbovirus Infections As Screening Tools for the Identification of Viral Immunomodulators and Host Antiviral Factors

Arbovirus Infections As Screening Tools for the Identification of Viral Immunomodulators and Host Antiviral Factors

Published on: September 13, 2018

Related Experiment Videos

Last Updated: Jun 2, 2026

Combining Analysis of DNA in a Crude Virion Extraction with the Analysis of RNA from Infected Leaves to Discover New Virus Genomes

Combining Analysis of DNA in a Crude Virion Extraction with the Analysis of RNA from Infected Leaves to Discover New Virus Genomes

Published on: July 27, 2018

Arbovirus Infections As Screening Tools for the Identification of Viral Immunomodulators and Host Antiviral Factors

Arbovirus Infections As Screening Tools for the Identification of Viral Immunomodulators and Host Antiviral Factors

Published on: September 13, 2018

Area of Science:

Virology
Microbiology
Evolutionary Biology

Background:

Archeoviruses, discovered in the 1980s, infect the third domain of life, Archaea.
These viruses possess unusual virion morphologies and proteins with no known homologues.
Their life cycles present unique features, including novel virus egress mechanisms.

Purpose of the Study:

To review current knowledge on archeoviruses.
To elucidate the unique nature of the archaeal virosphere.
To discuss the role of archeoviruses in the evolution of viruses and cells.

Main Methods:

Literature review of existing data on archeoviruses.
Analysis of viral structures, proteins, and life cycles.
Examination of host-virus and virus-plasmid interactions.

Main Results:

Archeoviruses display unique morphologies and proteins, distinct from other known viruses.
A novel virus egress mechanism involving pyramidal structures on host cells has been identified.
Archeoviruses play a role in the evolution of cellular and viral life.

Conclusions:

Archeoviruses represent a unique domain of viral life.
Their study provides insights into viral and cellular evolution.
Further research is needed to fully understand the archaeal virosphere.