Plant Viruses Online   

Descriptions and Lists from the VIDE Database

Konjak mosaic (?) potyvirus

Index

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

Data collated by A.A. Brunt, 1994.

Nomenclature

Acronym

KMV

ICTV decimal code

57.0.1.0.036

Host range and symptoms

Natural host range and symptoms

Amorphophallus konjac - leaf mosaic.

Transmission

Transmitted by a vector; an insect; Aphis gossypii; Aphididae. Transmitted in a non-persistent manner. Virus transmitted by mechanical inoculation.

Geographical distribution

Spreads in the Eastern Asian region; Japan.

Experimental host range

Few (<3) families susceptible.

Diagnostically susceptible host species and symptoms

Amorphophallus konjac, Philodendron oxycardium, P. selloum - leaf mosaic.

Diagnostically insusceptible host species

Chenopodium amaranticolor, C. quinoa, Phaseolus vulgaris, Nicotiana benthamiana, N. clevelandii, N. glutinosa, N. tabacum.

Maintenance and propagation hosts

Amorphophallus konjac.

Assay hosts (Local lesions or Whole plants)

Amorphophallus konjac (W), Philodendron selloum (W).

Susceptible host species

• Amorphophallus konjac
• Philodendron oxycardium
• Philodendron selloum

Insusceptible host species

• Chenopodium amaranticolor
• Chenopodium quinoa
• Nicotiana benthamiana
• Nicotiana clevelandii
• Nicotiana glutinosa
• Nicotiana tabacum
• Phaseolus vulgaris

Families containing susceptible hosts

• Araceae (3/3)

Families containing insusceptible hosts

• Chenopodiaceae (2/2)
• Leguminosae-Papilionoideae (1/1)
• Solanaceae (4/4)

Physical and biochemical properties

Properties of particles in sap

TIP: 55-60 °C. LIV: 2-4 days (at 18C). DEP: log₁₀ minus 2-3.

Purification method

Shimoyama et al. (1992b).

Particle morphology

Virions filamentous; not enveloped; usually flexuous; with a clear modal length; of 800 nm.

Biochemical properties

Genome consists of RNA; single-stranded; linear. Total genome size 10.1 kb.

Features of proteins

Virion protein(s) one; M_r 35500; coat.

Taxonomy and relationships

Possible Potyvirus: Potyviridae

Virus(es) with serologically related virions

Soybean mosaic and watermelon mosaic-2 potyviruses.

Virus(es) with serologically unrelated virions

Bean yellow mosaic, bean common mosaic (blackeye cowpea mosaic strain), dasheen mosaic, potato Y, turnip mosaic and zucchini yellow mosaic potyviruses.

Comments and References

References

• Shimoyama, J., Kameya-Iwaki, M., Hanada, K. and Gunyi, T. (1992a). Ann. Phytopath. Soc. Japan 58: 706.
• Shimoyama, J., Hanada, K., Tsuda, S., Kameya-Iwaki, M. and Gunyi, T. (1992b). Ann. Phytopath. Soc. Japan 58: 713.

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.