Virus classification
Group: Group I (dsDNA)
Order: Unassigned
Family: Clavaviridae

Clavaviridae is a family of double-stranded viruses that infect archaea. This family was first described by the team led by D. Prangishvili in 2010. There is one genus in this family (Clavavirus). Within this genus, only a single species has been described to date: Aeropyrum pernix bacilliform virus 1.

The name is derived from the Latin word clava meaning stick.


The virons are bacilliform in shape and ~140 nanometers (nm) in length and 20 nm in diameter.[1] One end is pointed and the other is rounded.

The genome is double-stranded DNA and circular. It does not integrate into the host genome.

Infection with this virus does not cause host cell lysis.


  1. Mochizuki T, Yoshida T, Tanaka R, Forterre P, Sakob Y, Prangishvili D (2010) Diversity of viruses of the hyperthermophilic archaeal genus Aeropyrum, and isolation of the Aeropyrum pernix bacilliform virus 1, APBV1, the first representative of the family Clavaviridae. Virology 402(2): 347–354
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