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Members of the Cripavirus genus exhibit the Type I IGR IRES structure (Jan et al. 2006). The type I IRES is characterized by the presence of a conserved consensus bulge sequence (UGAUCU/UGC), absence of a third stem loop in Pseudoknot I, and the presence of a consensus sequence (UUAC) downstream of stem loop I.
See discussion under family properties
Sequence identity at the amino acid level between the capsid proteins of isolates and strains of a species is above 90%. Note that by this definition, Nilaparvata lugens C virus is a member of species Cricket paralysis virus.
Cripa: siglum derived from the name of the type member of the genus, Cricket paralysis virus
SpeciesVirus name(s)Exemplar isolateExemplar accession numberExemplar RefSeq numberAvailable sequenceOther isolatesOther isolate accession numbersVirus Abbreviation(s)Aphid lethal paralysis virusaphid lethal paralysis virusAF536531NC_004365Complete genomeALPVCricket paralysis viruscricket paralysis virusAF218039NC_003924Complete genomeCrPVDrosophila C virusDrosophila C virusEBAF014388NC_001834Complete genomeDCV-EBRhopalosiphum padi virusRhopalosiphum padi virusAF022937NC_001874Complete genomeRhPV
Anopheles C virus
goose faecal-sample dicistrovirus
Nilaparvata lugens C virus
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