Arteriviridae

Arteriviridae
Ar·te·ri·vi·ri·dae (ahr-tēr″ĭ-virґĭ-de) the arteriviruses; a family of RNA viruses having a virion 60 nm in diameter consisting of a lipid envelope with 12–15 ringlike surface structures surrounding an isometric nucleocapsid about 35 nm in diameter. The genome consists of a single molecule of linear positive-sense RNA (size about 13 kb). Viruses contain at least four major structural proteins. Replication is similar to that of the Coronaviridae. Host range is narrow and transmission is horizontal. There is a single genus, Arterivirus.

Medical dictionary. 2011.

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