Maculavirus vitis

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diagram of grapevine fleck virus particles (click on image to enlarge it)
Authors: Swiss Institute of Bioinformatics
Source: ViralZone

Maculavirus vitis

Assigned virus:
grapevine fleck virus (GFkV)

The grapevine fleck virus is phloem-limited and infects grapevines. It has a worldwide distribution, is not sap-transmissible and has no known vector. The particles are non-enveloped, isometric and about 30 nm in diameter. They may accumulate to form crystalline arrays in phloem cells. The genome consists of positive-sensed, single-stranded RNA with a size of about 7.5 kb. It has 4 open reading frames and encodes a large polyprotein.

Vernacular names
• English: grapevine fleck virus
GFkV
• Português: vírus do mosaico das nervuras da videira