de

Viroid

1 neuter

Terminological databases

EKI terminibaas Esterm

ID 715630 Last modified 13.10.2025
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Domain virology
  • väike infektsioosne üksus (haigustekitaja), mis koosneb rõngasjast RNA-molekulist
  • any of various small naked single-stranded RNA molecules that infect plant cells and cause disease
    Good to know
    • Smaller than viruses, the 30 or so known viroids are not enclosed in a protein coat of any kind: they generally consist of fewer than 400 nucleotides, do not contain any genes, but do have ribozyme activity.
viroid
Usage examples
  • Kartuli haigustekitajad jagunevad üldiselt kolmeks rühmaks: seenhaigused, bakterhaigused ja viirushaigused. Neile lisanduvad veel fütoplasmad, mis on bakteritest lihtsama ehitusega, ning viroidid, mis on väiksemad viirustest.
  • Viroididest kahjustab kartulit kõige enam värtnakujulisuse viroid (PSTVd) ning fütoplasmadest Candidatus Phytoplasma solani.
viroid
Usage examples
  • Viroids include many commercially important disease agents, such as coconut cadang-cadang, citrus exocortis, and potato spindle tuber viroid. The agents are also spread by contaminated tools, insects, or rubbing by large animals.
viroïde
Viroid
neuter

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