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Ascoviridae
''Ascoviridae'' is a family of double strand DNA viruses that infect primarily invertebrates,〔ICTVdB Management (2006). 00.082.0.01. Ascovirus. In: ICTVdB - The Universal Virus Database, version 4. Büchen-Osmond, C. (Ed), Columbia University, New York, USA〕 mainly noctuids and spodoptera species;〔(【引用サイトリンク】url=http://viralzone.expasy.org/all_by_species/139.html )〕 it contains one genus, ''Ascovirus'', which currently contains four species. The type species of ''Ascovirus'' is ''Spodoptera frugiperda ascovirus 1a'', which infects the army worm (''Spodoptera frugiperda''). ==Genome==
The genome is not segmented and contains a single molecule of circular double-stranded DNA. The genome has a guanine + cytosine content of 42-60%. The genome of Spodoptera frugiperda ascovirus 1a has been sequenced. It is 156,922 bases in length and encodes 123 putative open reading frames. The G+C ratio is 49.2%. Among the encoded proteins are a caspase, a cathepsin B, several kinases, E3 ubiquitin ligases, a fatty acid elongase, a sphingomyelinase, a phosphate acyltransferase and a patatin-like phospholipase.
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