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Virusoids are circular single-stranded RNA(s) dependent on viruses for replication and encapsidation. The genome of virusoids consists of several hundred (200–400) nucleotides and does not code for any proteins.
History, Overview & Evolutionary origin
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virusoids replication viroids rna circular satellite viruses rnas virus hammerhead helper satltsv structure protein also sequence similar rolling circle possess
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| their diminutive size | instance of | Evolutionary originConsidering properties | 0.80 | text |
| circular structure | instance of | Evolutionary originConsidering properties | 0.80 | text |
| the presence of hammerhead ribozymes | instance of | Evolutionary originConsidering properties | 0.80 | text |
| viroids may have had an ancient evolutionary origin distinct from that of the viruses | instance of | Evolutionary originConsidering properties | 0.80 | text |
| the self-splicing intron of Tetrahymena thermophila.A phylogeny based on a manually-adjusted alignment in 2001 suggests that virusoids may form a clade of their own as a sister group to Avsunviroidae | instance of | virusoids and viroids exhibit several structural and sequence homologies to the group I introns | 0.80 | text |
| which also possess hammerhead ribozymes | instance of | virusoids and viroids exhibit several structural and sequence homologies to the group I introns | 0.80 | text |
| Virusoid | related to Definition | Depending | 0.60 | section |
| Virusoid | related to Definition | Hepatitis | 0.60 | section |
| Virusoid | related to Definition | HDV | 0.60 | section |
| Virusoid | related to Definition | Like | 0.60 | section |
| Virusoid | related to Definition | They | 0.60 | section |
| Virusoid | related to Developments | Abouhaidar | 0.60 | section |
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