''Variarterivirinae'' is a subfamily of enveloped,

positive-strand RNA viruses Positive-strand RNA viruses (+ssRNA viruses) are a group of related viruses that have positive-sense, single-stranded genomes made of ribonucleic acid. The positive-sense genome can act as messenger RNA (mRNA) and can be directly translated in ...

which infect

vertebrate Vertebrates () comprise all animal taxa within the subphylum Vertebrata () ( chordates with backbones), including all mammals, birds, reptiles, amphibians, and fish. Vertebrates represent the overwhelming majority of the phylum Chordata, ...

s. The subfamily is in the family ''

Arteriviridae ''Arteriviridae'' is a family of enveloped, positive-strand RNA viruses in the order ''Nidovirales'' which infect vertebrates. Host organisms include equids, pigs, Possums, nonhuman primates, and rodents. The family includes, for example, equ ...

'' and order ''

Nidovirales ''Nidovirales'' is an order of enveloped, positive-strand RNA viruses which infect vertebrates and invertebrates. Host organisms include mammals, birds, reptiles, amphibians, fish, arthropods, molluscs, and helminths. The order includes the fami ...

''. The subfamily contains three genera.

Structure

Member viruses are enveloped, spherical, and 45–60 nm in diameter.

Genome

Variarteriviruses have a

positive-sense In molecular biology and genetics, the sense of a nucleic acid molecule, particularly of a strand of DNA or RNA, refers to the nature of the roles of the strand and its complement in specifying a sequence of amino acids. Depending on the context, ...

single-stranded RNA genome.

Taxonomy

The subfamily ''Variarterivirinae'' contains three genera: *'' Betaarterivirus'' *'' Gammaarterivirus'' *'' Nuarterivirus''

References

{{Taxonbar, from=Q107394646 Nidovirales Arteriviridae Virus subfamilies