virusoid


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Related to virusoid: virion, Viroids, Prions

virusoid

(ˈvaɪərəsɔɪd)
n
(Botany) the smallest virus, which affects plants and which has its RNA arranged in a circle

vi•rus•oid

(ˈvaɪ rəˌsɔɪd)
n.
a small particle of RNA associated with the larger RNA of some infectious plant viruses. Compare viroid.
[1980–85]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.virusoid - the smallest of viruses; a plant virus with its RNA arranged in a circular chromosome without a protein coat
plant virus - a plant pathogen that is a virus consisting of a single strand of RNA
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References in periodicals archive ?
The genome is similar to that of higher plant virusoids and virusoid RNA, which suggest that HDV might have originated from the plant instead of the animal world [1, 2].
Finally, there is the possibility that "some viruses evolved from viroids or virusoids, although it is equally possible that these small RNA, rather than being progenitors of viruses, are recent degenerative products of the more complex self-replicating systems" (p.