Plant Viruses Online   

Descriptions and Lists from the VIDE Database

Vicia alphacryptovirus

Index

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

Data collated by A.J. Cockbain, 1982. Revised 1983.

Nomenclature

Acronym

VCV

ICTV decimal code

49.0.3.0.015

Host range and symptoms

Natural host range and symptoms

• Vicia faba - symptomless.

Transmission

Virus not transmitted by mechanical inoculation; not transmitted by contact between plants; transmitted by seed; transmitted by pollen to the seed.

Geographical distribution

Found, but with no evidence of spread, in Germany, the Netherlands and the U.K.

Experimental host range

Few (<3) families susceptible.

Maintenance and propagation hosts

Vicia faba.

Susceptible host species

• Vicia faba
• Vigna unguiculata

Families containing susceptible hosts

• Leguminosae-Papilionoideae (2/2)

Physical and biochemical properties

Properties of particles in sap

Leaf sap contains few virions.

Purification method

Cockbain: grind frozen tissue in 0.5M phosphate buffer, pH 8.0 containing 0.01M EDTA and 0.4% 2-mercaptoethanol with chloroform/butanol (1 g leaf: 2 ml buffer: 0.5 ml chloroform: 0.5 ml N-butanol) followed by differential centrifugation.

Particle morphology

Virions isometric; not enveloped; 30 nm in diameter; angular in profile; without a conspicuous capsomere arrangement.

Physical properties

Density 1.38 and 1.39 g cm^-3 in CsCl.

Taxonomy and relationships

Alphacryptovirus: Partitiviridae

Virus(es) with serologically unrelated virions

Bean leaf roll, broad bean mottle, broad bean true mosaic, broad bean wilt, carnation cryptic, crimson clover latent, pea enation mosaic and southern bean mosaic viruses.

Comments and References

References

• Kenten, R.H., Cockbain, A.J. and Woods, R.D. (1978). Rep. Rothamsted Exp. Stn. 1977. p.222.

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.