Clover yellow vein virus

Clover yellow vein virus (CYVV)
Virus classification
Group: Group IV ((+)ssRNA)
Order: Unassigned
Family: Potyviridae
Genus: Potyvirus
Species: Clover yellow vein virus

Clover yellow vein virus (ClYVV) is a plant pathogenic virus[1] in the genus Potyvirus and the virus family Potyviridae. Like other members of the Potyvirus genus, ClYVV is a monopartite strand of positive-sense, single-stranded RNA surrounded by a capsid made for a single viral encoded protein. The virus is a filamentous particle that measures about 760 nm in length. This virus is transmitted by several species of aphids in a nonpersistent manner and by mechanical inoculation.[2]

Geographic distribution and host range

Clover yellow vein virus, first named in 1965,[3] was isolated from white clover (Trifolium repens) in a garden in England. A survey of English pastures found it to be widespread throughout England.[4] In 1969, a similar virus was isolated in Canada[5] and it was speculated at the time that the virus was also common in the United States but had been misidentified as a strain of Bean yellow mosaic virus (BYMV). With time, using serological, host range studies and eventually sequence data, this proved to be true. For example, several species of Commelinaceae, reported to be infected by BYMV, were found susceptible to ClYVV instead.[6] ClYVV and BYMV are now considered to be different potyviruses, both of which infect many members of the Fabaceae (or Leguminosae) worldwide.

References

  1. ↑ "About Plant Viruses / Florida Plant Viruses / Florida Plant Viruses and Their Inclusions / Science / Plant Industry / Divisions & Offices / Home - Florida Department of Agriculture & Consumer Services". www.freshfromflorida.com.
  2. ↑ Antoniw, John. "Show DPV and Refs in Frame". www.dpvweb.net.
  3. ↑ M. Holling and T.K. Nariani. Some properties of clover yellow vein, a virus from Trifolium repens L. Ann. Appl.Biol. 56:99-109, 1965.
  4. ↑ A.J. Gibbs, A. Varma, and R.D. Woods. Viruses occurring in white clover (Trifolium repens L) from permanent pastures in Britain. Ann. Appl. Biolo. 58:231-240, 1966.
  5. ↑ M.J. Pratt. Clover yellow vein virus in North America Pl. Dis. Reptr. 53:210-212, 1969
  6. ↑ "Plant Disease 1988 - Viruses Infecting Wild and Cultivated Species of the Commelinaceae". www.apsnet.org.
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