Anellovirus
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Anellovirus
''Anelloviridae'' is a family of viruses. They are classified as vertebrate viruses and have a non-enveloped capsid, which is round with isometric, icosahedral symmetry and has a triangulation number of 3. The name is derived from Italian ''anello'' 'ring', referring to the circular genome of anelloviruses. Genome The genome is not segmented and contains a single molecule of circular, negative-sense, single-stranded DNA. The complete genome is 3000–4000 nucleotides long. They also contain a non-coding region with one to two 80–110 nt sequences that contain high GC content, forming a secondary structure of stems and loops. The genome has ORFs and a high degree of genetic diversity. Although the mechanism of replication has not been studied heavily, anelloviridae appears to use the rolling circle mechanism where first ssDNA is converted to dsDNA. It requires a host polymerase for replication to occur as the genome itself does not encode for a viral polymerase and, as a res ...
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Gammatorquevirus
''Gammatorquevirus'' is a genus of viruses in the family ''Anelloviridae'', in group II in the Baltimore classification. It contains 15 species. The fifteen species are all named "torque teno midi virus" (TTMDV), number 1–15. Taxonomy The genus contains the following species: *'' Torque teno midi virus 1'' *'' Torque teno midi virus 2'' *'' Torque teno midi virus 3'' *'' Torque teno midi virus 4'' *'' Torque teno midi virus 5'' *'' Torque teno midi virus 6'' *'' Torque teno midi virus 7'' *'' Torque teno midi virus 8'' *'' Torque teno midi virus 9'' *'' Torque teno midi virus 10'' *'' Torque teno midi virus 11'' *'' Torque teno midi virus 12'' *'' Torque teno midi virus 13'' *'' Torque teno midi virus 14'' *'' Torque teno midi virus 15'' Discovery TTMDV, which stands for transfusion transmitted midi virus or torque teno midi virus was first isolated in 2005 from patients with an acute viral infection syndrome. Because of the circular nature of its DNA genome, TTMDV (which wa ...
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Betatorquevirus
''Betatorquevirus'' is a genus of viruses in the family ''Anelloviridae'', in group II in the Baltimore classification. The genus ''Betatorquevirus'' includes all "torque teno mini viruses" (TTMV), numbered from 1 to 38 as 38 species. Taxonomy The genus contains the following species: *'' Torque teno mini virus 1'' *'' Torque teno mini virus 2'' *'' Torque teno mini virus 3'' *'' Torque teno mini virus 4'' *'' Torque teno mini virus 5'' *'' Torque teno mini virus 6'' *'' Torque teno mini virus 7'' *'' Torque teno mini virus 8'' *'' Torque teno mini virus 9'' *'' Torque teno mini virus 10'' *'' Torque teno mini virus 11'' *'' Torque teno mini virus 12'' *'' Torque teno mini virus 13'' *'' Torque teno mini virus 14'' *'' Torque teno mini virus 15'' *'' Torque teno mini virus 16'' *'' Torque teno mini virus 17'' *'' Torque teno mini virus 18'' *''Torque teno mini virus 19'' *''Torque teno mini virus 20'' *''Torque teno mini virus 21'' *''Torque teno mini virus 22'' *''Torque teno m ...
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