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Pisuviricota is a phylum of RNA viruses that includes all positive-strand and double-stranded RNA viruses that infect eukaryotes and are not members of the phylum Kitrinoviricota, Lenarviricota or Duplornaviricota. The name of the group is a syllabic abbreviation pi.
Duplornaviricota. Pisuviricota. Duplopiviricetes. Orthornavirae is a kingdom of viruses that have genomes made of ribonucleic acid (RNA), including genes which encode an RNA-dependent RNA polymerase (RdRp). The RdRp is used to transcribe the viral RNA genome into messenger RNA (mRNA) and to replicate the genome.
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Positive-strand RNA viruses are found in three phyla: Kitrinoviricota, Lenarviricota, and Pisuviricota, each of which are assigned to the kingdom Orthornavirae in the realm Riboviria. In the Baltimore classification system, which groups viruses together based on their manner of mRNA synthesis, +ssRNA viruses are group IV.
Pisoniviricetes is a class of positive-strand RNA viruses which infect eukaryotes. [1] [2] A characteristic of the group is a conserved 3C - like protease from the PA clan of proteases for processing the translated polyprotein.
Picornavirales. Family: Picornaviridae. Genus: Rosavirus. Rosavirus is a genus of viruses in the order Picornavirales, in the family Picornaviridae. Human and rodents serve as natural hosts. There are three species in this genus.
See text. The Caliciviridae are a family of "small round structured" viruses, members of Class IV of the Baltimore scheme. Caliciviridae bear resemblance to enlarged picornavirus and was formerly a separate genus within the picornaviridae. [1] They are positive-sense, single-stranded RNA which is not segmented. [2]
Picornaviruses are a group of related nonenveloped RNA viruses which infect vertebrates including fish, [2] mammals, and birds. They are viruses that represent a large family of small, positive-sense, single-stranded RNA viruses with a 30 nm icosahedral capsid.
