Plant Viruses Online   

Descriptions and Lists from the VIDE Database

Melothria mottle (?) 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

ICTV decimal code

57.0.1.T.D.08

Host range and symptoms

Natural host range and symptoms

Melothria liukiuensis - faint leaf mottling.

Transmission

Transmitted by a vector; an insect; Aphididae; Myzus persicae. Transmitted in a non-persistent manner.

Geographical distribution

Spreads in the Eastern Asian region; Japan.

Experimental host range

Several (3-9) families susceptible.

Diagnostically susceptible host species and symptoms

• Melothria liukiuensis - systemic leaf mottling.
• Cucurbita pepo, Nicotiana benthamiana - local chlorotic spotting, systemic vein-clearing and mottling.
• Bryonopsis laciniosa, Citrullus lanatus, Cucumis sativus and Cucurbita maxima - local necrotic and local and systemic chlorotic spotting.
• Sesamum indicum - local necrotic spotting, systemic stem necrosis and wilting.
• Chenopodium amaranticolor, C. murale, C. quinoa, Gomphrena globosa and Spinacia oleracea - local necrotic lesions, not systemic.

Diagnostically insusceptible host species

Datura metel, D. stramonium, Nicotiana clevelandii, N. glutinosa, N. rustica.

Maintenance and propagation hosts

Nicotiana benthamiana.

Assay hosts (Local lesions or Whole plants)

Chenopodium amaranticolor (L), C. quinoa (L), Nicotiana benthamiana (W).

Susceptible host species

• Bryonopsis laciniosa
• Chenopodium amaranticolor
• Chenopodium murale
• Chenopodium quinoa
• Citrullus lanatus
• Cucumis melo
• Cucumis sativus
• Cucurbita maxima
• Cucurbita moschata
• Cucurbita pepo
• Gomphrena globosa
• Melothria liukiuensis
• Nicotiana benthamiana
• Sesamum indicum
• Spinacia oleracea

Insusceptible host species

• Datura metel
• Datura stramonium
• Nicotiana clevelandii
• Nicotiana glutinosa
• Nicotiana rustica

Families containing susceptible hosts

• Amaranthaceae (1/1)
• Chenopodiaceae (4/4)
• Cucurbitaceae (8/8)
• Pedaliaceae (1/1)
• Solanaceae (1/6)

Families containing insusceptible hosts

• Solanaceae (5/6)

Physical and biochemical properties

Properties of particles in sap

TIP: 65 °C. LIV: 8-10 days. DEP: log₁₀ minus 3-4.

Purification method

Yonaha et al. (1993).

Particle morphology

Virions filamentous; not enveloped; usually flexuous; with a clear modal length; of 725 nm; 12 nm wide.

Taxonomy and relationships

Possible unassigned potyvirus

Virus(es) with serologically unrelated virions

Papaya ringspot, trichosanthes mottle, watermelon mosaic-2 and zucchini yellow mosaic viruses.

Comments and References

References

• Yonaha, T., Nagata, M., Kawano, S. and Tamori, M. (1993). Bull. Coll. Agric. Univ. Ryukus 40: 9-19.

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.