Preferred Label : rna, satellite;
MeSH definition : 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);
MeSH synonym : satellite rna; satellite rnas; rnas, satellite;
MeSH annotation : RNA molecules acting as molecular parasites of various RNA plant viruses; coord IM
with specific plant virus /genet (IM or NIM) but note that CUCUMBER MOSAIC VIRUS SATELLITE
is available;
Is substance : O;
Origin ID : D019244;
UMLS CUI : C0074081;
Allowable qualifiers
- Record concept(s)
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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)
