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Descriptor English: Viroids
Descriptor Spanish: Viroides
Descriptor Portuguese: Viroides
Descriptor French: Viroïdes
Entry term(s): Viroid
Tree number(s): B04.956
RDF Unique Identifier: https://id.nlm.nih.gov/mesh/D014772
Scope note: A group of pathogens comprising the smallest known agents of infectious disease. They are unencapsulated and are capable of replicating autonomously in susceptible cells. Positively identified viroids composed of single-stranded RNA have been isolated from higher plants, but the existence of DNA viroids pathogenic to animals is suspected.
Annotation: "smallest known agents of infect dis"; read MeSH definition
Allowable Qualifiers: CH chemistry
CL classification
DE drug effects
EN enzymology
GD growth & development
GE genetics
IM immunology
IP isolation & purification
ME metabolism
PH physiology
PY pathogenicity
RE radiation effects
UL ultrastructure
Previous Indexing: Plant Viruses (1971-1980)
RNA, Viral (1971-1980)
Public MeSH Note: 81
History Note: 81
DeCS ID: 15174
Unique ID: D014772
Documents indexed in the Virtual Health Library (VHL): Click here to access the VHL documents
Date Established: 1981/01/01
Date of Entry: 1980/04/02
Revision Date: 1992/05/18
Viroids - Preferred
Concept UI M0022751
Scope note A group of pathogens comprising the smallest known agents of infectious disease. They are unencapsulated and are capable of replicating autonomously in susceptible cells. Positively identified viroids composed of single-stranded RNA have been isolated from higher plants, but the existence of DNA viroids pathogenic to animals is suspected.
Preferred term Viroids
Entry term(s) Viroid



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