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© Tessa Quax, David Prangishvili, Gerard Pehau-Arnaudet, Jean-Marc Panaud
VAPs (virus-associated pyramids) formed by the Sulfolobus islandicus rod-shaped virus 2 (SIRV2) in cells of its hyperthermophilic archaeal host. Negative contrast electron micrography.
Scientific Fields
Diseases
Organisms
Applications
Technique

Published in Nature reviews. Microbiology - 10 Nov 2017

Prangishvili D, Bamford DH, Forterre P, Iranzo J, Koonin EV, Krupovic M

Link to Pubmed [PMID] – 29123227

Nat. Rev. Microbiol. 2017 Nov;15(12):724-739

One of the most prominent features of archaea is the extraordinary diversity of their DNA viruses. Many archaeal viruses differ substantially in morphology from bacterial and eukaryotic viruses and represent unique virus families. The distinct nature of archaeal viruses also extends to the gene composition and architectures of their genomes and the properties of the proteins that they encode. Environmental research has revealed prominent roles of archaeal viruses in influencing microbial communities in ocean ecosystems, and recent metagenomic studies have uncovered new groups of archaeal viruses that infect extremophiles and mesophiles in diverse habitats. In this Review, we summarize recent advances in our understanding of the genomic and morphological diversity of archaeal viruses and the molecular biology of their life cycles and virus-host interactions, including interactions with archaeal CRISPR-Cas systems. We also examine the potential origins and evolution of archaeal viruses and discuss their place in the global virosphere.

https://www.ncbi.nlm.nih.gov/pubmed/29123227