Milk vetch dwarf virus

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tobacco plants infected by the Milk vetch dwarf virus - left: infected in the field, right: artificially infected by aphids (click on image to enlarge it)
Authors: Ali Kamran et al.
Source: Virology Journal (2019), 16:38

Milk vetch dwarf virus (MDV)

This virus is found in eastern Asia where it infects Chinese milk vetch (Astragalus sinicus), other legumes as well as several other plants. It can be economically important on vegetables. The symptoms include stunting, leafrolling and yellowing. The virus is transmitted by aphids.

MDV has small isometric particles with a circular ssDNA genome. The genome includes at least eight genomic (~1 kb each) and occasionally three or four alphasattelite DNAs that are encapsidated separately as isometric particles.