Pospiviroidae
The Pospiviroidae are a family of viroids, including the first viroid to be discovered, PSTVd. Their secondary structure is key to their biological activity. The classification of this family is based on differences in the conserved central region sequence. The genome consists (in this order) of an LH terminal domain, a pathogenic domain, conserved central region (pospiviroid RY motif stem loop), variable domain, and an RH terminal domain.[1] Pospiviroidae replication occurs in an asymmetric fashion via host cell RNA polymerase, RNase, and RNA ligase.
| Pospiviroidae | |
|---|---|
Virus classification  | |
| (unranked): | Virus |
| Realm: | incertae sedis |
| Kingdom: | incertae sedis |
| Phylum: | incertae sedis |
| Class: | incertae sedis |
| Order: | incertae sedis |
| Family: | Pospiviroidae |
| Genera | |
Taxonomy
- Family Pospiviroidae
- Genus Pospiviroid; type species: Potato spindle tuber viroid
- Genus Hostuviroid; type species: Hop stunt viroid
- Genus Cocadviroid; type species: Coconut cadang-cadang viroid
- Genus Apscaviroid; type species: Apple scar skin viroid
- Genus Coleviroid; type species: Coleus blumei viroid 1
gollark: https://www.reddit.com/r/AV1/comments/hb039t/8mib_shrek_is_back/Insanity but also very cool.
gollark: I read that it couldn't actually be unambiguously parsed because parsing some construct required solving the halting problem because the syntax is different depending on some information or other only available at runtime.
gollark: You can lose your sanity through the regexes *and* any other part of the language!
gollark: Only if you don't value your sanity.
gollark: Does exact matching actually work on sound files? It's possible there's some weird conversion stuff going on, and if they're from a lossily compressed source it probably won't work exactly right.
References
- Giguère, Tamara; Perreault, Jean-Pierre; Melcher, Ulrich (4 August 2017). "Classification of the Pospiviroidae based on their structural hallmarks". PLOS ONE. 12 (8): e0182536. doi:10.1371/journal.pone.0182536. PMID 28783761.
Most of the members of the Pospiviroidae fold into a rod-like structure which includes five regions: the terminal left (TL), the pathogenic (P), the central (C), the variable (V) and the terminal right (TR).
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