<sod>'''''Corticovirus''''' is a genus of [[viruses]], in the family [[Corticoviridae]]. Bacteria serve as natural hosts. There is currently only one species in this genus: the type species ''Pseudoalteromonas phage PM2''.<ref name=ViralZone>{{cite web|title=Viral Zone|url=http://viralzone.expasy.org/all_by_species/533.html|publisher=ExPASy|accessdate=15 June 2015}}</ref><ref name=ICTV>{{cite web|last1=ICTV|title=Virus Taxonomy: 2014 Release|url=http://ictvonline.org/virusTaxonomy.asp|accessdate=15 June 2015}}</ref> The name is derived from Latin ''cortex'', ''corticis'' (meaning 'crust' or 'bark'). However, prophages closely related to PM2 are abundant in the genomes of aquatic bacteria, suggesting that the ecological importance of corticoviruses might be underestimated.<ref>{{cite journal|author=Krupovic M, Bamford DH|title=Putative prophages related to lytic tailless marine dsDNA phage PM2 are widespread in the genomes of aquatic bacteria|journal=BMC Genomics|year=2007|volume=8|pages=236|doi=10.1186/1471-2164-8-236|pmid=17634101|url=http://www.biomedcentral.com/content/pdf/1471-2164-8-236.pdf|pmc=1950889}}</ref> The whole family (Corticoviridae) has been little-studied.<eod>
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