Duplornaviricota

Duplornaviricota is a phylum of viruses that includes species which infect archaea, bacteria, and eukaryotes. The name of the phylum is derived from the Latin duplor meaning double and navis meaning ship, referring to the unique structure of the viruses in this group.

Taxonomy

The phylum Duplornaviricota is divided into two classes: Haploviricotina and Polyploviricotina. These classes are further divided into orders, families, subfamilies, genera, and species.

Haploviricotina

Haploviricotina is a class of viruses in the phylum Duplornaviricota. It includes the following orders and families:

• Order: Articulavirales
  • Family: Amnoonviridae
  • Family: Chrysoviridae
  • Family: Megabirnaviridae
  • Family: Partitiviridae
  • Family: Picobirnaviridae
  • Family: Quadriviridae
  • Family: Totiviridae

Polyploviricotina

Polyploviricotina is another class of viruses in the phylum Duplornaviricota. It includes the following orders and families:

• Order: Resentovirales
  • Family: Botybirnaviridae
  • Family: Dichorhaviridae
  • Family: Iridoviridae
  • Family: Mymonaviridae
  • Family: Polymycoviridae
  • Family: Reoviridae

Structure and Genome

Viruses in the phylum Duplornaviricota have a unique structure. They are non-enveloped and have a double-layered capsid. The genome of these viruses is segmented and consists of double-stranded RNA.

Replication

The replication cycle of Duplornaviricota viruses involves several steps. The virus first attaches to the host cell and enters it. Once inside, the virus uncoats and releases its genome into the host cell. The viral RNA is then transcribed and translated into viral proteins. New virus particles are assembled and released from the host cell to infect other cells.

See also

• Virus classification
• Virus replication
• Virus structure

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