Plant Viruses Online   

Descriptions and Lists from the VIDE Database

Tomato mild 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.

Nomenclature

ICTV decimal code

57.0.1.T.D.15

Host range and symptoms

Natural host range and symptoms

Symptoms
• Datura stramonium, Lycopersicon esculentum, Solanum nigrum - faint leaf mottling and plant stunting.

Transmission

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

Geographical distribution

Spreads in the Middle East; Yemen.

Experimental host range

Few (<3) families susceptible.

Diagnostically susceptible host species and symptoms

• Nicotiana clevelandii, N. glutinosa, N. tabacum cv. White Burley - necrotic local lesions, systemic veinal chlorosis.
• Nicotiana tabacum cv. Xanthi - chlorotic local lesions, systemic mottling.
• Datura metel, Nicotiana benthamiana, N. occidentalis - systemic veinal chlorosis or necrosis.
• Lycopersicon esculentum, Nicotiana rustica - systemic mottling.

Diagnostically insusceptible host species

Capsicum annuum, C. frutescens, Chenopodium quinoa, Cucumis sativus, Petunia × hybrida, Phaseolus vulgaris.

Maintenance and propagation hosts

Nicotiana glutinosa.

Assay hosts (Local lesions or Whole plants)

Lycopersicon esculentum (W), Nicotiana glutinosa (W).

Susceptible host species

• Datura metel
• Datura stramonium
• Lycopersicon esculentum
• Nicotiana benthamiana
• Nicotiana clevelandii
• Nicotiana glutinosa
• Nicotiana occidentalis
• Nicotiana rustica
• Nicotiana tabacum
• Solanum nigrum

Insusceptible host species

• Capsicum annuum
• Capsicum frutescens
• Chenopodium quinoa
• Cucumis sativus
• Petunia × hybrida
• Phaseolus vulgaris
• Sonchus oleraceus

Families containing susceptible hosts

• Solanaceae (10/13)

Families containing insusceptible hosts

• Chenopodiaceae (1/1)
• Compositae (1/1)
• Cucurbitaceae (1/1)
• Leguminosae-Papilionoideae (1/1)
• Solanaceae (3/13)

Physical and biochemical properties

Properties of particles in sap

TIP: 70-75 °C. LIV: 8-16 days (at 2^oC and 18^oC). DEP: log₁₀ minus 5.

Particle morphology

Virions filamentous; usually flexuous; with a clear modal length; of 719 nm.

Features of proteins

Virion protein(s) one; M_r 41500; coat protein.

Cytopathology

Virions found in cytoplasm. Inclusions present in infected cells; are pinwheels.

Taxonomy and relationships

Possible unassigned potyvirus

Virus(es) with serologically unrelated virions

Chilli veinal mottle, datura shoestring, pepper mottle, pepper veinal mottle, potato Y and tobacco etch potyviruses.

Comments and References

References

• Walkey, D.G.A., Spence, N.J., Clay, C.M. and Miller, A. (1994). Pl. Path. 43: 931.

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.