Varicosavirus (genus)
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EM image of lettuce big-vein associated virus particles. The bar represents 100 nm. (click on image to enlarge it)
Author(s): J.A. Walsh and C.M. Clay
Source: ICTV reports
Author(s): J.A. Walsh and C.M. Clay
Source: ICTV reports
Varicosavirus (genus)
This genus includes viruses similar to the 'lettuce big vein-associated virus' (LBVaV) which is assigned to Varicosavirus lactucae, currently the only member. LBVaV is widely distributed and causes big vein symptoms on lettuce. It also infects other plants and is transmitted by the the fungus Olpidium brassicae. The genus is characterised by rod-shaped particles with a lengths of around 350 nm, two RNA molecules and without an envelop.
Currently, the following species have been entered into the system:
