Viroids are small single-stranded, circular RNAs that are infectious pathogens. Unlike viruses, they have no protein coating. All known viroids are inhabitants...

An obelisk is a "viroid-like element" of a type first described in a January 2024 preprint, whose authors say that "Obelisks form their own distinct phylogenetic...

Hop latent viroid (abbreviated HpLVd, or HLVd) is a viroid, which is known to cause the Dudding Disease in hemp and cannabis. It is a non-capsulated strand...

The potato spindle tuber viroid (PSTVd) was the first viroid to be identified. PSTVd is a small, single stranded circular RNA molecule closely related...

Cadang-cadang is a disease caused by Coconut cadang-cadang viroid (CCCVd), a lethal viroid of several palms including coconut (Cocos nucifera), African...

If viruses are borderline cases or nonliving, viroids are further from being living organisms. Viroids are some of the smallest infectious agents, consisting...

virus species (including some classed as satellite viruses and others as viroids) in 2,818 genera, 264 families, 72 orders, 40 classes, 17 phyla, 9 kingdoms...

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...

infectious microorganism or agent, such as a virus, bacterium, protozoan, prion, viroid, or fungus. Small animals, such as helminths and insects, can also cause...

viroid can refer to two different species of viroid, both in the genus Apscaviroid: Grapevine yellow speckle viroid 1 Grapevine yellow speckle viroid...