“Pospiviroidae”的意思、由来-开放百科全书

词条

Pospiviroidae

释义

Taxonomy
External links

{{Virusbox
| taxon = Pospiviroidae
| subdivision_ranks = Genera
| subdivision = Pospiviroid
Hostuviroid
Cocadviroid
Apscaviroid
Coleviroid
}}

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 domain, variable domain, and an RH terminal domain. Pospiviroidae replication occurs in an asymmetric fashion via host cell RNA polymerase, RNase, and RNA ligase.

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

External links

[https://web.archive.org/web/20060406162423/http://www-micro.msb.le.ac.uk/3035/Viroids.html] – extensive information on pospivirioidae and viroids.

2 : Viroids|Riboviria

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