Turnip yellow mosaic virus

Turnip yellow mosaic virus
Virus classification
Group: Group IV ((+)ssRNA)
Order: Tymovirales
Family: Tymoviridae
Genus: Tymovirus
Species: Turnip yellow mosaic virus
Synonyms
  • Brassicavirus octahedron
  • Cardamine yellow mosaic virus
Turnip yellow mosaic virus crystals grown on Earth (left) and in outer space under microgravity conditions (right).[1]

Turnip yellow mosaic virus (TYMV) is an isometric tymovirus of the family Tymoviridae. Its host range is confined almost entirely to plants in the genus Brassica in western Europe, which includes cabbages, cauliflower and broccoli.[2] Infection causes bright yellow mosaic disease showing vein clearing and molting of plant tissues.

Transmission

It is transmitted by sap as well as a host of insect vectors.[3] The most prominent of these are in the Phyllotreta and Psylliodes genera of flea beetles, although Phaedon cochleariae and its larva have also been known to help spread this virus. The larva lose their ability to transmit the disease once they reach the pupal stage, suggesting a mechanical infection process.[2]

References

  1. ↑ McPherson, Alexander; Delucas, Lawrence James (2015). "Microgravity protein crystallization". Npj Microgravity. 1: 15010. doi:10.1038/npjmgrav.2015.10.
  2. 1 2 "Turnip yellow mosaic virus". Descriptions of Plant Viruses. Commonwealth Mycological Institute and Association of Applied Biologists. June 1970.
  3. ↑ Broadbent, L.; Heathcote, G. D. (December 1958). "Properties and Host Range of Turnip Crinkle, Rosette and Yellow Mosaic Viruses". Annals of Applied Biology. 46 (4): 585–592. doi:10.1111/j.1744-7348.1958.tb02242.x.


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