Plant Viruses Online   

Descriptions and Lists from the VIDE Database

Cassava X potexvirus

Index

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

Data collated by A.A. Brunt, 1990.

Nomenclature

Acronym

CsVX

ICTV decimal code

56.0.1.0.004

Host range and symptoms

Natural host range and symptoms

• Manihot esculenta - systemic and symptomless.

Transmission

Virus transmitted by mechanical inoculation.

Geographical distribution

Spreads in Colombia.

Experimental host range

Experimentally infected plants mostly show local lesions, chlorosis.

Diagnostically susceptible host species and symptoms

• Nicotiana benthamiana - local lesions and severe systemic chlorosis.

Susceptible host species

• Manihot esculenta
• Nicotiana benthamiana

Families containing susceptible hosts

• Euphorbiaceae (1/1)
• Solanaceae (1/1)

Physical and biochemical properties

Particle morphology

Virions filamentous; of c. 480 nm.

Biochemical properties

Genome consists of RNA; single-stranded. Total genome size 6.5 kb. Genome unipartite; largest (or only) genome part 6.5 kb.

Features of proteins

Virion protein(s) one; M_r 26000.

Taxonomy and relationships

Potexvirus

Virus(es) with serologically unrelated virions

Cassava common mosaic potexvirus.

Comments and References

References

• Lennon, A.M., Aiton, M.M. and Harrison, B.D. (1986). Rep. Scottish Crop Res. Inst. 1985, p. 167.

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.