Plant Viruses Online   

Descriptions and Lists from the VIDE Database

Potato V potyvirus

Index

• Nomenclature
• Host range, transmission and symptoms
• Physical and biochemical properties
• Taxonomy and relationships
• Comments and References

Data collated by C.E. Fribourg, 1984.

Nomenclature

Acronym

PVV

Strains

PVY-C Gl (Rozendaal et al., 1971), PVY-C AB (Calvert et al., 1980), UF (Fribourg and Nakashima, 1983).

ICTV decimal code

57.0.1.0.057

Host range and symptoms

Natural host range and symptoms

Symptoms persist.
• Solanum tuberosum - mild or severe mosaic, premature senescence of lower leaves, green spots or rings, partial vein necrosis of leaf undersides.

Transmission

Transmitted by a vector; an insect; Brachycaudus helichrysi, Macrosiphum euphorbiae, Myzus persicae; Aphididae. Transmitted in a non-persistent manner. Virus transmitted by mechanical inoculation; transmitted by grafting; not transmitted by contact between plants; not transmitted by seed.

Geographical distribution

Spreads in France, Ireland, the Netherlands, Peru, and the UK.

Experimental host range

Few (<3) families susceptible.

Diagnostically susceptible host species and symptoms

• Nicotiana glutinosa and N. occidentalis - systemic mosaic and chlorotic vein banding.
• N. debneyi - local and systemic chlorotic spotting.
• Solanum demissum PI 230579 - necrotic spots; systemic veinal necrosis.
• S. tuberosum clone `A6' - systemic veinal necrosis.

Diagnostically insusceptible host species

Capsicum annuum, Solanum stoloniferum PI 230557, S. demissum PI 175404.

Maintenance and propagation hosts

Nicotiana clevelandii, N. glutinosa, N. occidentalis.

Assay hosts (Local lesions or Whole plants)

Nicotiana occidentalis (W), Solanum demissum PI 230579 (L).

Susceptible host species

• Datura metel
• Lycopersicon esculentum
• Nicotiana bigelovii
• Nicotiana clevelandii
• Nicotiana debneyi
• Nicotiana glutinosa
• Nicotiana occidentalis
• Nicotiana tabacum
• Physalis floridana
• Solanum demissum
• Solanum tuberosum

Insusceptible host species

• Amaranthus caudatus
• Cajanus cajan
• Capsicum annuum
• Chenopodium amaranticolor
• Chenopodium murale
• Chenopodium quinoa
• Clitoria ternatea
• Cucumis melo
• Cucumis sativus
• Cyamopsis tetragonoloba
• Datura stramonium
• Gomphrena globosa
• Lycopersicon pimpinellifolium
• Matthiola incana
• Phaseolus vulgaris
• Sesamum indicum
• Solanum demissum
• Solanum demissum × S. tuberosum
• Solanum stoloniferum (PI 230557)
• Vigna unguiculata
• Vigna unguiculata ssp. cylindrica

Families containing susceptible hosts

• Solanaceae (11/16)

Families containing insusceptible hosts

• Amaranthaceae (2/2)
• Chenopodiaceae (3/3)
• Cruciferae (1/1)
• Cucurbitaceae (2/2)
• Leguminosae-Papilionoideae (6/6)
• Pedaliaceae (1/1)
• Solanaceae (6/16)

Sources of host-range data

Calvert et al. (1980); Fribourg and Nakashima (1984).

Physical and biochemical properties

Properties of particles in sap

TIP: 55-60 °C. LIV: 21 days. DEP: log₁₀ minus 5-6. Leaf sap contains few virions.

Purification method

Fribourg and Nakashima (1984).

Particle morphology

Virions filamentous; not enveloped; usually flexuous; with a clear modal length; of 760 nm. Axial canal obscure. Basic helix obscure.

Physical properties

One sedimenting component in purified preparations.

NCBI sequence data (Entrez search)

Sequence database accession code(s)

• X61279 Gb(89)n:Pvvcp Potato Virus V gene for coat protein. 6/95 2,500bp.

Replication

Replication does not depend on a helper virus.

Cytopathology

Virions found in all parts of the host plant; in cytoplasm. Inclusions present in infected cells; are pinwheels; they do not contain virions.

Taxonomy and relationships

Potyvirus: Potyviridae

Virus(es) with serologically related virions

Potato A and wild potato mosaic viruses; potato virus Y (strains O, N and C) is very distantly related.

Comments and References

References

• Calvert, E.L., Cooper, P. and McClure, J. (1980). Rec. Agric. Res. 28: 63.
• Fribourg, C.E. and Nakashima, J. (1983). In: Research for the Potato in the Year 2000; ed. W.J. Hooker. CIP, Peru.
• Fribourg, C.E. and Nakashima, J. (1984). Phytopathology 74: 1363.
• Gugerli, P. and Fries, P. (1983). J. gen. Virol. 64: 2471.
• Jones, R.A.C. and Fribourg, C.E. (1986). AAB Descr. Pl. Viruses No. 316, 4 pp.
• Rozendaal, A., van Binsbergen, J., Anema, B., van Slogteren, D.H.M. and Bunt, M.H. (1971). Potato Res. 14: 241.

Cite this publication as: Brunt, A.A., Crabtree, K., Dallwitz, M.J., Gibbs, A.J., Watson, L. and Zurcher, E.J. (eds.) (1996 onwards). `Plant Viruses Online: Descriptions and Lists from the VIDE Database. Version: 20^th August 1996.' URL http://biology.anu.edu.au/Groups/MES/vide/

Dallwitz (1980) and Dallwitz, Paine and Zurcher (1993) should also be cited.