Abstract
Iflaviridae is a family of small non-enveloped viruses with monopartite, positive-stranded RNA genomes of approximately 9–11 kilobases. Viruses of all classified species infect arthropod hosts, with the majority infecting insects. Both beneficial and pest insects serve as hosts, and infections can be symptomless (Nilaparvatalugens honeydew virus 1) or cause developmental abnormalities (deformed wing virus), behavioural changes (sacbrood virus) and premature mortality (infectious flacherie virus). The host range has not been examined for most members. The most common route of infection for iflaviruses is the ingestion of virus-contaminated food sources. This is a summary of the International Committee on Taxonomy of Viruses (ICTV) Report on the taxonomy of the Iflaviridae, which is available at www.ictv.global/report/iflaviridae.
Highlights
Iflaviridae is a family of small non-enveloped viruses with monopartite, positive-stranded RNA genomes of approximately 9– 11 kilobases
Non-enveloped, 22–30 nm-diameter virions 9–11 kb of positive-sense, non-segmented RNA Cytoplasmic within viral replication complexes formed from a variety of host cellular membranes Directly from genomic RNA containing an internal ribosomal entry site (IRES) Arthropoda Member of the order Picornavirales; >10 species in the single genus Iflavirus
Iflaviruses possess single-stranded, positive-sense, nonsegmented RNA genomes with a single open reading frame (ORF)
Summary
Iflaviridae is a family of small non-enveloped viruses with monopartite, positive-stranded RNA genomes of approximately 9– 11 kilobases. Typical member: infectious flacherie virus (AB000906), species Infectious flacherie virus, genus Iflavirus Virion Genome Replication Translation Host range Taxonomy Non-enveloped, 22–30 nm-diameter virions 9–11 kb of positive-sense, non-segmented RNA Cytoplasmic within viral replication complexes formed from a variety of host cellular membranes Directly from genomic RNA containing an internal ribosomal entry site (IRES) Arthropoda Member of the order Picornavirales; >10 species in the single genus Iflavirus
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