Capulavirus (genus)

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symptoms of the Euphorbia caput-medusae latent virus (EcmLV) - A) Nicotiana benthamiana infected with EcmLV, B) uninfected control plant of N. benthamiana, C) tomato plant infected with EcmLV, F) symptomless Euphorbia caput-medusae plant infected with EcmLV (click on image to enlarge it)
Author(s): Pauline Bernardo et al.
Source: Virus Research (2013), vol. 177, p. 39


This genus of geminiviruses contains species similar to the "Euphorbia caput-medusae latent virus" which has been found in South Africa. Naturally infected Euphorbia caput-medusae plants do not show any symptoms, but Nicotiana benthamiana and tomato plants artificially infected with this virus show severe symptoms like leaf curling, distortion, stunting, vein thickening and yellowing (Bernardo et al., 2013).

Three other viruses have been assigned to the genus Capulavirus, including the Alfalfa leaf curl virus (Varsani et al., 2017). The latter virus causes severe disease symptoms in alfalfa, mainly in the Mediterranean region, and is transmitted by Aphis craccivora.

Viruses in the genus Capulavirus have twinned particles, typical for the Geminiviridae, and a monopartite, circular, positive-sensed ssDNA genome with a size of about 2.7 kb.

Currently, the following species have been entered into the system: