Kitrinoviricota

Kitrinoviricota is a phylum of viruses that infect eukaryotic hosts. This phylum was established by the International Committee on Taxonomy of Viruses (ICTV) in 2020. The name of the phylum is derived from the Greek word 'kitrinos', which means 'yellow', and 'viricota', which is a suffix used in virus taxonomy.

Taxonomy

The phylum Kitrinoviricota is divided into two classes: Cossaviricetes and Kitrinoviricetes. These classes are further divided into orders, families, subfamilies, genera, and species. The classification of viruses within this phylum is based on their genetic characteristics and the type of hosts they infect.

Cossaviricetes

Cossaviricetes is a class of viruses within the phylum Kitrinoviricota. This class includes viruses that infect a variety of eukaryotic hosts, including plants, fungi, and animals. The class is divided into two orders: Picornavirales and Secovirales.

Kitrinoviricetes

Kitrinoviricetes is another class of viruses within the phylum Kitrinoviricota. This class includes viruses that infect a variety of eukaryotic hosts, including plants, fungi, and animals. The class is divided into three orders: Tymovirales, Sobelivirales, and Botourmiavirales.

Characteristics

Viruses in the phylum Kitrinoviricota are characterized by their RNA genomes. They are positive-sense single-stranded RNA viruses, which means that their genetic material can be directly translated into proteins by the host cell. These viruses are also known for their icosahedral capsids, which are protein shells that protect the viral genome.

Pathogenesis

Viruses in the phylum Kitrinoviricota can cause a variety of diseases in their hosts. For example, some viruses in this phylum are known to cause plant diseases, such as mosaic disease and leaf roll disease. Other viruses in this phylum can cause diseases in animals, including foot-and-mouth disease and hepatitis A.

See also

• Virus classification
• Virus taxonomy
• List of viruses

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