Plant Viruses Online   

Descriptions and Lists from the VIDE Database

Opuntia Sammons' tobamovirus

Index

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

Data collated by C. Wetter, 1989.

Nomenclature

Synonyms

Sammons' opuntia virus.

Acronym

SOV

ICTV decimal code

71.0.1.0.009

Host range and symptoms

Natural host range and symptoms

• Opuntia engelmannii and some other species of Opuntia - symptomless.

Transmission

Virus transmitted by mechanical inoculation.

Geographical distribution

Spreads in the USA.

Experimental host range

Few (<3) families susceptible.

Diagnostically susceptible host species and symptoms

• Chenopodium quinoa, C. murale, C. amaranticolor - local lesions; not systemic.

Maintenance and propagation hosts

Chenopodium quinoa, C. murale, C. amaranticolor.

Assay hosts (Local lesions or Whole plants)

Chenopodium quinoa (L), C. murale (L), C. amaranticolor (L).

Susceptible host species

• Chenopodium amaranticolor
• Chenopodium murale
• Chenopodium quinoa
• Opuntia engelmannii

Families containing susceptible hosts

• Cactaceae (1/1)
• Chenopodiaceae (3/3)

Sources of host-range data

Wetter and Paul (1967).

Physical and biochemical properties

Properties of particles in sap

Leaf sap contains many virions.

Purification method

Wetter: clarify with chloroform-butanol (1:1 v/v), precipitate with 4% polyethylene glycol and 4% NaCl, resuspend and subject to several cycles of differential centrifugation.

Particle morphology

Virions rod-shaped; not enveloped; usually straight; with a clear modal length; of 317 nm; 18 nm wide. Axial canal obvious. Basic helix obvious.

Physical properties

One sedimenting component in purified preparations; sedimentation coefficient 196 S. A₂₆₀/A₂₈₀ ratio 1.33.

Taxonomy and relationships

Tobamovirus

Virus(es) with serologically related virions

Odontoglossum ringspot, tomato mosaic, tobacco mosaic, ribgrass mosaic, tobacco mild green mosaic, pepper mild mottle, sunn-hemp mosaic, frangipani mosaic and cucumber green mottle mosaic viruses.

Comments and References

References

• Brandes, J. and Chessin, M. (1965). Virology 25: 673.
• Sammons, I.M. and Chessin, M. (1961). Nature, Lond. 191: 517.
• Wetter, C. and Paul, H.L. (1967). Phytopath. Z. 60: 92.

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.