Onion yellow dwarf virus

Onion yellow dwarf virus (OYDV) is a plant virus member of genus Potyvirus that is found worldwide and mainly infects Allium species such as onion, garlic and leek.[1][2][3] The virus is non-persistently transmitted by several aphid species but not by dodder.[4] OYDV causes mild to severe leaf malformation, and bulb reduction up to 60% has been observed on garlic.[5]

Onion yellow dwarf virus
Virus classification
(unranked): Virus
Realm: Riboviria
Kingdom: Orthornavirae
Phylum: Pisuviricota
Class: Stelpaviricetes
Order: Patatavirales
Family: Potyviridae
Genus: Potyvirus
Species:
Onion yellow dwarf virus

The full genome of OYDV is around 10,538 nucleotides long and encodes a polyprotein of 3,403 amino acids. Its P3 gene is longer than those of other known Potyviruses.[6]

References

  1. Ward, L. I.; Perez-Egusquiza, Z.; Fletcher, J. D.; Clover, G. R. G. (2009-09-01). "A survey of viral diseases of Allium crops in New Zealand". Australasian Plant Pathology. 38 (5): 533–539. doi:10.1071/AP09039. ISSN 1448-6032.
  2. PARRANO, Leonardo; AFUNIAN, Mohammad; PAGLIACCIA, Deborah; DOUHAN, Greg; VIDALAKIS, Georgios (2012). "Characterization of viruses associated with garlic plants propagated from different reproductive tissues from Italy and other geographic regions". Phytopathologia Mediterranea. 51 (3): 549–565. ISSN 0031-9465.
  3. Santosa, Adyatma Irawan; Ertunc, Filiz (2020). "Identification, molecular detection and phylogenetic analysis of four viruses infecting Allium cepa in Ankara Province, Turkey". Journal of Plant Diseases and Protection. 127 (4): 561–569. doi:10.1007/s41348-020-00347-5. ISSN 1861-3829.
  4. Bos, L (1982). "Viruses and virus diseases of Allium species". Acta Horticulturae. 127: 11–29. doi:10.17660/ActaHortic.1983.127.1.
  5. Lot, Harve; Chovelon, Véronique; Souche, Sylvie; Delecolle, Brigitte (2007). "Effects of Onion Yellow Dwarf and Leek Yellow Stripe Viruses on Symptomatology and Yield Loss of Three French Garlic Cultivars". Plant Diseases. 82 (12): 1381–1385. doi:10.1094/PDIS.1998.82.12.1381. ISSN 0191-2917.
  6. Chen, J.; Adams, M. J.; Zheng, H.-Y.; Chen, J.-P. (2003-05-01). "Sequence analysis demonstrates that Onion yellow dwarf virus isolates from China contain a P3 region much larger than other potyviruses". Archives of Virology. 148 (6): 1165–1173. doi:10.1007/s00705-003-0020-1. ISSN 0304-8608.
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