Plant Viruses Online   

Descriptions and Lists from the VIDE Database

Nandina mosaic (?) potexvirus

Index

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

Data collated by A.A. Brunt, 1991.

Nomenclature

Synonyms

nandina (?) potexvirus.

Acronym

NaMV

ICTV decimal code

56.0.1.T.011

Host range and symptoms

Natural host range and symptoms

Symptoms persist.
• Nandina domestica - occasional mosaic leaf symptoms.

Transmission

Not transmitted by Myzus persicae. Virus transmitted by mechanical inoculation.

Geographical distribution

Spreads in the USA (in California).

Experimental host range

Several (3-9) families susceptible.

Diagnostically susceptible host species and symptoms

• Gomphrena globosa, Chenopodium amaranticolor, Cassia occidentalis - local lesions; not systemic.
• Nicotiana benthamiana, N. megalosiphon - systemic mottling and malformation.
• Chenopodium quinoa, Spinacia oleracea - local lesions; then systemic chlorosis.

Diagnostically insusceptible host species

Cucumis sativus, Datura stramonium, Nicotiana glutinosa, N. tabacum, Phaseolus vulgaris.

Maintenance and propagation hosts

Nicotiana benthamiana.

Assay hosts (Local lesions or Whole plants)

Gomphrena globosa (L).

Susceptible host species

• Cassia occidentalis
• Catharanthus roseus
• Chenopodium amaranticolor
• Chenopodium quinoa
• Gomphrena globosa
• Nandina domestica
• Nicotiana benthamiana
• Nicotiana megalosiphon
• Spinacia oleracea

Insusceptible host species

• Antirrhinum majus
• Beta vulgaris
• Brassica oleracea var. capitata
• Capsicum annuum
• Carica papaya
• Crotalaria spectabilis
• Cucumis sativus
• Dahlia pinnata
• Datura stramonium
• Glycine max
• Gynura aurantiaca
• Hordeum vulgare
• Lactuca sativa
• Lathyrus odoratus
• Lycopersicon esculentum
• Melilotus albus
• Nicotiana glutinosa
• Nicotiana rustica
• Nicotiana tabacum
• Nicotiana × edwardsonii
• Pastinaca sativa
• Phaseolus vulgaris
• Physalis floridana
• Pisum sativum
• Solanum melongena
• Tetragonia tetragonioides
• Trifolium pratense
• Trifolium repens
• Vigna unguiculata
• Zinnia elegans

Families containing susceptible hosts

• Amaranthaceae (1/1)
• Apocynaceae (1/1)
• Chenopodiaceae (3/4)
• Leguminosae-Caesalpinioideae (1/1)
• Nandinaceae (1/1)
• Solanaceae (2/11)

Families containing insusceptible hosts

• Caricaceae (1/1)
• Chenopodiaceae (1/4)
• Compositae (4/4)
• Cruciferae (1/1)
• Cucurbitaceae (1/1)
• Gramineae (1/1)
• Leguminosae-Papilionoideae (9/9)
• Scrophulariaceae (1/1)
• Solanaceae (9 /11)
• Tetragoniaceae (1/1)
• Umbelliferae (1/1)

Purification method

Zettler et al. (1980).

Physical and biochemical properties

Particle morphology

Virions filamentous; usually flexuous; with a clear modal length; of 471 nm. Axial canal obscure. Basic helix obscure.

Physical properties

A₂₆₀/A₂₈₀ ratio 1.35.

Features of proteins

Virion protein(s) one; M_r 20500; coat protein.

Cytopathology

Virions found in leaves, mesophyll and the epidermis; in cytoplasm. Inclusions present in infected cells; are unusual in shape; aggregated virions; they contain virions.

Taxonomy and relationships

Possible Potexvirus

Virus(es) with serologically unrelated virions

Clover yellow mosaic, cymbidium mosaic, hydrangea ringspot, papaya mosaic, potato X and white clover mosaic viruses.

Comments and References

References

• Moreno, P., Attathom, S. and Weathers, L.G. (1976). Proc. Am. Phytopath. Soc. 3: 319.
• Santos-Pulgar, R. (1978). Ph.D. Dissertation, pp. 84.
• Zettler, F.W., Hiebert, E., Christie, R.G. and Abo El-Nil, M.M. (1980). Acta Hort. 110: 71.

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.