Dinodnavirus

Dinodnavirus is a genus of viruses that infect dinoflagellates.[1] This genus belongs to the clade of nucleocytoplasmic large DNA viruses. The name is derived from 'dino' (dinoflagellate) and DNA (from its genome).

Dinodnavirus
Virus classification e
(unranked): Virus
Realm: incertae sedis
Kingdom: incertae sedis
Phylum: incertae sedis
Class: incertae sedis
Order: incertae sedis
Family: incertae sedis
Genus: Dinodnavirus
Species

Heterocapsa circularisquama DNA virus 01

The only species in the genus is Heterocapsa circularisquama DNA virus 01.[2]

Virology

The virus has an icosahedral capsid ~200 nanometers in diameter.

The genome is a single molecule of double stranded DNA of a ~356-kilobases.

It infects the dinoflagellate Heterocapsa circularisquama.

During replication virions emerge from a specific cytoplasm compartment – the 'viroplasm' – which is created by the virus.[3]

Taxonomy

The sole species was originally thought to belong to the family Phycodnaviridae. DNA studies have shown that it belongs in the family Asfarviridae.[4][5]

References
  1. Tarutani K, Nagasaki K, Itakura S, Yamaguchi M (2001) Isolation of a virus infecting the novel shellfish-killing dinoflagellate Heterocapsa circularisquama. Aquat Microb Ecol 23:103–111
  2. "Virus Taxonomy: 2020 Release". International Committee on Taxonomy of Viruses (ICTV). March 2021. Retrieved 24 May 2021.
  3. Nagasaki K, Tomaru Y, Tarutani K, Katanozaka N, Yamanaka S, Tanabe H, Yamaguchi M (2003) Growth characteristics and intraspecies host specificity of a large virus infecting the dinoflagellate Heterocapsa circularisquama. Appl Environ Microbiol 69:2580–2586
  4. Ogata H, Toyoda K, Tomaru Y, Nakayama N, Shirai Y, Claverie JM, Nagasaki K (2009) Remarkable sequence similarity between the dinoflagellate-infecting marine girus and the terrestrial pathogen African swine fever virus. Virol J 6:178
  5. Karki, Sangita; Moniruzzaman, Mohammad; Aylward, Frank O. (2021). "Comparative Genomics and Environmental Distribution of Large dsDNA Viruses in the Family Asfarviridae". Frontiers in Microbiology. 12: 657471. doi:10.3389/fmicb.2021.657471. PMC 8005611. PMID 33790885.
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