The hop stunt viroid (abbreviated HSVd) is a

viroid Viroids are small single-stranded, circular RNAs that are infectious pathogens. Unlike viruses, they have no protein coating. All known viroids are inhabitants of angiosperms (flowering plants), and most cause diseases, whose respective econo ...

species that infects the common hop plant, citrus plants and grapevines, among others. It is a member of the

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 re ...

family and the

Hostuviroid Hostuviroid is a genus of viroids that includes ''Hop stunt viroid The hop stunt viroid (abbreviated HSVd) is a viroid species that infects the common hop plant, citrus plants and grapevines, among others. It is a member of the Pospiviroidae ...

genus. There are quite a few different sub-species of the hop stunt viroid.

Genome

The hop stunt viroid has a single stranded RNA genome; the genome is 297 nucleotides long.

Hop stunt viroids

Australian grapevine viroid The Australian grapevine viroid (abbreviated AGV) is a type of grapevine viroid. See also * List of viruses This is an index of lists of virus taxa. By taxonomic rank * List of higher virus taxa, i.e. all taxa above the rank of family * L ...

Citrus gummy bark viroid The citrus gummy bark viroid (abbreviated CGBVd) is a strain of '' Hop stunt viroid'', and thus is a member of the genus '' Hostuviroid''. As the name suggests, the citrus gummy bark viroid causes problems in the bark of the sweet orange tree. ...

* Grapevine yellow speckle viroid 1 * Grapevine yellow speckle viroid 2 * Dapple peach fruit disease viroid * Citrus chachexia viroid * Cucumber pale fruit viroid * Dapple plum and peach fruit disease viroid

References

Viroids Hop diseases {{virus-stub