| satellite virus | <virology> A term used in plant virology for a virus associated functionally, at least for the purpose of its own replication, with another virus. (18 Nov 1997) |
|---|---|
| satellite viruses | Defective viruses which can multiply only by association with a helper virus which complements the defective gene. Satellite viruses may be associated with certain plant viruses, animal viruses, or bacteriophages. They differ from satellite RNA (RNA, satellite) in that satellite viruses encode their own coat protein. (12 Dec 1998) |
| hospitals, satellite | Those hospitals which are extensions of a main hospital and are wholly or partly administered by that hospital. (12 Dec 1998) |
| DNA, satellite | DNA that contains many tandem (not inverted) repeats of a short basic repeating unit. Satellite DNA is located at very specific spots in the genome (on chromosomes 1, 9, 16 and the Y chromosome, the tiny short arms of chromosomes 13-15 and 21 and 22, and near the centromeres of chromosomes). (12 Dec 1998) |
| tobacco mosaic virus satellite | A spherical RNA satellite virus which requires an obligatory rod-shaped helper tobacco mosaic virus for replication. (12 Dec 1998) |