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.^[1] The order includes the families Coronaviridae, Arteriviridae, Roniviridae, Tobaniviridae, and Mesoniviridae.^[2]

Member viruses have a viral envelope and a positive-sense, single-stranded RNA genome which is capped and polyadenylated.^[3] Nidoviruses are named for the Latin nidus, meaning nest, as all viruses in this order produce a 3' co-terminal nested set of subgenomic mRNAs during infection.^[4]

^ Ogando, Natacha S.; Ferron, Francois; Decroly, Etienne; Canard, Bruno; Posthuma, Clara C.; Snijder, Eric J. (2019). "The Curious Case of the Nidovirus Exoribonuclease: Its Role in RNA Synthesis and Replication Fidelity". Frontiers in Microbiology. 10: 1813. doi:10.3389/fmicb.2019.01813. ISSN 1664-302X. PMC 6693484. PMID 31440227.
^ "International Committee on Taxonomy of Viruses (ICTV)". talk.ictvonline.org. Retrieved 2020-06-08.
^ King, Andrew M. Q.; Adams, Michael J.; Carstens, Eric B.; Lefkowitz, Elliot J., eds. (2012-01-01), "Order - Nidovirales", Virus Taxonomy, Elsevier: 784–794, doi:10.1016/B978-0-12-384684-6.00066-5, ISBN 978-0-12-384684-6, S2CID 218627729, retrieved 2020-06-08
^ Antoine A.F. de Vries; Marian C. Horzinek; Peter J. M. Rottier; Raoul J. de Groot (1997). "The Genome Organization of the Nidovirales: Similarities and Differences between Arteri-, Toro-, and Coronaviruses". Seminars in Virology. 8 (1): 33–47. CiteSeerX 10.1.1.462.1825. doi:10.1006/smvy.1997.0104. PMC 7128191. PMID 32288441. S2CID 85383257.