 RNA, Satellite
"RNA, Satellite" is a descriptor in the National Library of Medicine's controlled vocabulary thesaurus,
MeSH (Medical Subject Headings). Descriptors are arranged in a hierarchical structure,
which enables searching at various levels of specificity.
Small, linear single-stranded RNA molecules functionally acting as molecular parasites of certain RNA plant viruses. Satellite RNAs exhibit four characteristic traits: (1) they require helper viruses to replicate; (2) they are unnecessary for the replication of helper viruses; (3) they are encapsidated in the coat protein of the helper virus; (4) they have no extensive sequence homology to the helper virus. Thus they differ from SATELLITE VIRUSES which encode their own coat protein, and from the genomic RNA; (=RNA, VIRAL); of satellite viruses. (From Maramorosch, Viroids and Satellites, 1991, p143)
| Descriptor ID |
D019244
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| MeSH Number(s) |
D13.444.735.721
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| Concept/Terms |
RNA, Satellite- RNA, Satellite
- Satellite RNAs
- RNAs, Satellite
- Satellite RNA
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Below are MeSH descriptors whose meaning is more general than "RNA, Satellite".
Below are MeSH descriptors whose meaning is more specific than "RNA, Satellite".
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