Tungrovirus

Tungrovirus
Virus classification
Group:	Group VII (dsDNA-RT)
Family:	Caulimoviridae
Genus:	Tungrovirus
Type species
Rice tungro bacilliform virus

Tungrovirus is a genus of viruses, in the family Caulimoviridae. Monocots and family Poaceae serve as natural hosts. There is currently only one species in this genus: the type species Rice tungro bacilliform virus. Diseases associated with this genus include: stunting, yellow to orange leaf discoloration with fewer tillers.

Group: ssRNA-RT

Viruses in Tungrovirus are non-enveloped, with icosahedral and bacilliform geometries, and T=3 symmetry. Genomes are circular.

Viral replication is nuclear/cytoplasmic. Replication follows the dsDNA(RT) replication model. The method of transcription is dsDNA(RT) transcription. Translation takes place by leaky scanning, and ribosomal shunting. The virus exits the host cell by nuclear pore export, and tubule-guided viral movement. Monocots and family poaceae serve as the natural host. The virus is transmitted via vectors such as aphids and leafhoppers (e.g. Nephotettix spp.).

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