The hop stunt viroid (abbreviated HSVd, binomial name ''Hostuviroid impedihumuli'') 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 eco ...

species that infects the common hop plant, citrus plants, grapevines, cucumber, and several ''

Prunus ''Prunus'' is a genus of flowering plant, flowering trees and shrubs from the family (biology), family Rosaceae. The genus includes plums, cherries, peaches, nectarines, apricots and almonds (collectively Drupe, stonefruit). The genus has a cosm ...

'' species such as almond, apricot, plum, and peach. It is asymptomatic or latent in most host plants, but in some hosts it can cause stunting and other symptoms. A study of HSVd-infected hops in the USA showed that the severity of yield reduction was highly dependent on the infected hop cultivar. HSVd is a member of the

Pospiviroidae The Pospiviroidae are a ''incertae sedis'' family of ssRNA viroids with 5 genera and 39 species, including the first viroid to be discovered, PSTVd, which is part of genus Pospiviroid. Their secondary structure is key to their biological act ...

family and the

Hostuviroid Hostuviroid is a genus of ssRNA viroids that includes '' Hop stunt viroid'', a species of viroids that infects many different types of plants, including the common hop plant. It belongs to the family ''Pospiviroidae The Pospiviroidae are a '' ...

genus. There are various different sub-species of the hop stunt viroid.

Genome

The hop stunt viroid has a

single-stranded RNA Ribonucleic acid (RNA) is a polymeric molecule that is essential for most biological functions, either by performing the function itself ( non-coding RNA) or by forming a template for the production of proteins ( messenger RNA). RNA and deoxy ...

genome; the genome is 297 nucleotides long.

Strains

All strains are from NCBI. *

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. ...

Dapple peach fruit disease viroid The hop stunt viroid (abbreviated HSVd, binomial name ''Hostuviroid impedihumuli'') is a viroid species that infects the common hop plant, citrus plants, grapevines, cucumber, and several ''Prunus'' species such as almond, apricot, plum, and pe ...

Dapple plum and peach fruit disease viroid The hop stunt viroid (abbreviated HSVd, binomial name ''Hostuviroid impedihumuli'') is a viroid species that infects the common hop plant, citrus plants, grapevines, cucumber, and several ''Prunus'' species such as almond, apricot, plum, and pe ...

Grapevine viroid The hop stunt viroid (abbreviated HSVd, binomial name ''Hostuviroid impedihumuli'') is a viroid species that infects the common hop plant, citrus plants, grapevines, cucumber, and several ''Prunus'' species such as almond, apricot, plum, and pe ...

Hop stunt viroid - citrus A hop is a type of jump. Hop or hops may also refer to: Arts and entertainment * ''Hop'' (film), a 2011 film * ''Hop'' (mixtape), a 2024 mixtape by Stray Kids * Hop! Channel, an Israeli TV channel * ''House of Payne'', or ''HOP'', an American ...

Hop stunt viroid - cucumber A hop is a type of jump. Hop or hops may also refer to: Arts and entertainment * ''Hop'' (film), a 2011 film * ''Hop'' (mixtape), a 2024 mixtape by Stray Kids * Hop! Channel, an Israeli TV channel * ''House of Payne'', or ''HOP'', an American ...

References

Viroids Hop diseases {{virus-stub