Totiviridae
Encyclopedia
The Totiviridae are a family of virus
es. They are non enveloped, icosahedral viruses. The viron is composed of a single capsid protein and are ~40 nanometers in diameter. The capsid has a T=2 symmetry.
The genome is composed of a linear double stranded RNA molecule of 4.6-6.7 kilobases. It contains 2 overlapping open reading frames (ORF) - gag and pol - which respectively encode the capid protein and the RNA dependent RNA polymerase. Some totiviruses contain a third small potential ORF.
Virus
A virus is a small infectious agent that can replicate only inside the living cells of organisms. Viruses infect all types of organisms, from animals and plants to bacteria and archaea...
es. They are non enveloped, icosahedral viruses. The viron is composed of a single capsid protein and are ~40 nanometers in diameter. The capsid has a T=2 symmetry.
The genome is composed of a linear double stranded RNA molecule of 4.6-6.7 kilobases. It contains 2 overlapping open reading frames (ORF) - gag and pol - which respectively encode the capid protein and the RNA dependent RNA polymerase. Some totiviruses contain a third small potential ORF.
Genera
- Genus TotivirusTotivirusThe genus Totivirus is a member of the Totiviridae family. These are a family of icosahedral nonenveloped viruses. The double-stranded RNA genomes are packaged in isometric particles 40 to 50 nm in diameter.-Genome:...
; type species: Saccharomyces cerevisiae virus L-ASaccharomyces cerevisiae virus L-ASaccharomyces cerevisiae virus L-A is a double-stranded RNA virus of the yeast Saccharomyces cerevisiae. This virus has a single 4.6 kb genomic segment that encodes its major coat protein, Gag and a Gag-Pol fusion protein formed by a -1 ribosomal frameshift... - Genus Giardiavirus; type species: Giardia lamblia virus
- Genus Leishmaniavirus; type species: Leishmania RNA virus 1-1
- Genus Victorivirus: type species Helminthosporium victoriae virus 190S