Prune dwarf virus

Prune dwarf virus (PDV) is a plant pathogenic virus of the family Bromoviridae. It causes dwarfism of leaves on certain prune and plum plants. It will also cause yellows in sour cherry, especially when present with prunus necrotic ringspot virus.[1] There are no known transmission vectors, though the pollen of infected cherry trees has been found to infect other cherry trees a small percent of the time.[2]

Prune dwarf virus
Virus classification Edit this classification
(unranked): Virus
Realm: Riboviria
Kingdom: Orthornavirae
Phylum: Kitrinoviricota
Class: Alsuviricetes
Order: Martellivirales
Family: Bromoviridae
Genus: Ilarvirus
Species:
Prune dwarf virus
Synonyms

cherry chlorotic ringspot virus
peach stunt virus
sour cherry yellows virus

Genome

PDV genome is three segmented positive sense single-stranded (SS) RNA. RNA1 and RNA2 each has only a single ORF, encodes P1 protein and P2 protein, respectively. RNA3 posseses two ORFs which encodes movement protein (MP) and the viral coat protein (CP), respectively.[3][4]

Phylogeny

A phylogenetic study based on recombinant-free MP and CP sequences clustered global PDV isolates into three main groups. However, the phylogenetic trees based on P1 and P2 regions did not share the similar topology of those of MP and CP. Additional P1 and P2 sequences are still in need to fully understand PDV evolution.[5]

References
  1. R. Crople; R . M. Gilmer; A. F. Posnette (1968). "Necrotic ring spot and prune dwarf viruses in Prunus and in herbaceous indicators". Annals of Applied Biology. 53 (2): 325. doi:10.1111/j.1744-7348.1964.tb03806.x.
  2. T. R. Davidson; J. A. George (1965). "Effects of Necrotic Ring Spot and Sour Cherry Yellows on the Growth and Yield of Young Sour Cherry Trees". Canadian Journal of Plant Science. 45 (6): 383. doi:10.4141/cjps65-103.
  3. Pallas, Vicente; Aparicio, Frederic; Herranz, Mari C.; Sanchez-Navarro, Jesus A.; Scott, Simon W. (2013). "The Molecular Biology of Ilarviruses". Advances in Virus Research. 87: 139–181. doi:10.1016/b978-0-12-407698-3.00005-3.
  4. Kozieł, Edmund; Bujarski, Józef; Otulak, Katarzyna (16 December 2017). "Molecular Biology of Prune Dwarf Virus—A Lesser Known Member of the Bromoviridae but a Vital Component in the Dynamic Virus–Host Cell Interaction Network". International Journal of Molecular Sciences. 18 (12): 2733. doi:10.3390/ijms18122733. PMC 5751334.
  5. Santosa, Adyatma Irawan; Çelik, Ali; Glasa, Miroslav; Ulubaş Serçe, Çiğdem; Ertunç, Filiz (30 May 2023). "Molecular analysis of prune dwarf virus reveals divergence within non-Turkish and Turkish viral populations". Journal of Plant Pathology. doi:10.1007/s42161-023-01412-2.


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