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The genus includes viruses similar to Sweet potato mild mottle virus, the type species. They cause serious economic losses in several crops like cassava, sweet potato, cucurbits, tomato and aubergine. These viruses are transmitted by whiteflies in a non-circulative, semi-persistent manner, the virions being retained on the external surface of the vectors' mouthparts for a few days or weeks.
Ipomoviruses have filamentous flexible particles, up to 900 nm long and 12-15 nm wide. The genome consists of positive-sense single-stranded RNA (+ssRNA), about 10-11 kilobases in size. The viral genome is translated into a polyprotein precursor, which is processed into about 10 mature proteins. Infected cells often contains characteristic inclusion bodies (pinwheels).
For a review of this genus see Dombrovsky et al. (2014).
Currently, the following species have been entered into the system: