Plant Viruses Online   

Descriptions and Lists from the VIDE Database

Cucumoviruses: Bromoviridae

Index

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

Nomenclature

ICTV reference

ICTV decimal code 10.0.4.

Definitive species

• Cucumber mosaic cucumovirus
• Peanut stunt cucumovirus
• Tomato aspermy cucumovirus

Host range and symptoms

Natural host range and symptoms

Symptoms persist.

Transmission

Transmitted by a vector; an insect; Aphididae. Transmitted in a non-persistent manner. Virus transmitted by mechanical inoculation; transmitted by grafting (1/1); not transmitted by contact between plants (1/1); transmitted by seed.

Experimental host range

Many (>9) families susceptible.

Susceptible host species

• Abelmoschus esculentus (1)
• Amaranthus caudatus (2)
• Amaranthus retroflexus (1)
• Antirrhinum majus (1)
• Apium graveolens (2)
• Arachis hypogaea (1)
• Atriplex hortensis (1)
• Beta vulgaris (2)
• Brassica campestris ssp. napus (1)
• Brassica campestris ssp. pekinensis (1)
• Brassica campestris ssp. rapa (2)
• Brassica juncea (1)
• Calendula officinalis (1)
• Canna (1)
• Capsella bursa-pastoris (1)
• Capsicum annuum (2)
• Capsicum frutescens (2)
• Cassia occidentalis (1)
• Catharanthus roseus (2)
• Cheiranthus cheiri (1)
• Chenopodium album (1)
• Chenopodium amaranticolor
• Chenopodium foetidum (2)
• Chenopodium hybridum (1)
• Chenopodium murale (2)
• Chenopodium quinoa
• Chrysanthemum morifolium (2)
• Cicer arietinum (2)
• Cichorium endiva (1)
• Citrullus lanatus (2)
• Coriandrum sativum (1)
• Coronilla varia (1)
• Crotalaria spectabilis (2)
• Cucumis melo (2)
• Cucumis sativus
• Cucurbita maxima (2)
• Cucurbita moschata (2)
• Cucurbita pepo (2)
• Cyamopsis tetragonoloba (1)
• Datura ferox (1)
• Datura metel (2)
• Datura stramonium (2)
• Datura tatula (1)
• Daucus carota (1)
• Dianthus barbatus (1)
• Emilia sagittata (1)
• Fagopyrum esculentum (1)
• Glycine max (2)
• Gomphrena globosa (2)
• Gossypium hirsutum (1)
• Helianthus annuus (2)
• Hyoscyamus niger (1)
• Ipomoea nil (1)
• Lens culinaris (2)
• Lespedeza stipulacea (1)
• Lilium (1)
• Lobelia erinus (1)
• Lotus corniculatus (1)
• Lupinus albus (2)
• Lupinus angustifolius (2)
• Lupinus luteus (1)
• Lycopersicon esculentum
• Lycopersicon pimpinellifolium (1)
• Matthiola incana (1)
• Medicago sativa (2)
• Melilotus albus (2)
• Momordica balsamina (1)
• Nicotiana bigelovii (1)
• Nicotiana clevelandii
• Nicotiana debneyi (1)
• Nicotiana glutinosa
• Nicotiana megalosiphon (1)
• Nicotiana rustica (2)
• Nicotiana sylvestris (1)
• Nicotiana tabacum
• Nicotiana × edwardsonii (1)
• Ocimum basilicum (1)
• Petunia × hybrida (1)
• Phaseolus acutifolius (1)
• Phaseolus lunatus (2)
• Phaseolus vulgaris
• Physalis floridana (2)
• Physalis peruviana (2)
• Phytolacca americana (1)
• Pisum sativum (2)
• Raphanus sativus (1)
• Robinia pseudoacacia (1)
• Rumex acetosa (1)
• Senecio vulgaris (1)
• Sesamum indicum (1)
• Sesbania exaltata (1)
• Solanum demissum (1)
• Solanum melongena (2)
• Solanum nigrum (1)
• Solanum nodiflorum (1)
• Solanum rostratum (1)
• Solanum tuberosum (1)
• Sonchus oleraceus (1)
• Spinacia oleracea (2)
• Stellaria media (1)
• Tephrosia vogelii (1)
• Tetragonia tetragonioides (2)
• Torenia fournieri (1)
• Trifolium dubium (1)
• Trifolium hybridum (2)
• Trifolium incarnatum (2)
• Trifolium pratense (2)
• Trifolium repens (2)
• Trifolium subterraneum (1)
• Trifolium vesiculosum (1)
• Tropaeolum majus (1)
• Verbesina encelioides (1)
• Vicia faba (2)
• Vicia sativa (2)
• Vicia villosa (1)
• Vigna angularis (1)
• Vigna radiata (2)
• Vigna unguiculata
• Vigna unguiculata ssp. sesquipedalis (2)
• Zinnia elegans (1)

Insusceptible host species

• Antirrhinum majus (1)
• Celosia argentea (1)
• Chenopodium capitatum (1)
• Citrullus vulgaris (1)
• Cucumis sativus (1)
• Dahlia pinnata (1)
• Glycine max (1)
• Helianthus annuus (1)
• Lactuca sativa (1)
• Lathyrus odoratus (1)
• Momordica balsamina (1)
• Nicandra physalodes (1)
• Petunia × hybrida (1)
• Phaseolus vulgaris (1)
• Solanum tuberosum (1)
• Spinacia oleracea (1)
• Stellaria media (1)
• Vigna unguiculata (1)
• Zinnia elegans (1)

Families containing susceptible hosts

• Amaranthaceae (2)
• Apocynaceae (2)
• Campanulaceae (1)
• Cannaceae (1)
• Caryophyllaceae (2)
• Chenopodiaceae
• Compositae
• Convolvulaceae (1)
• Cruciferae (2)
• Cucurbitaceae
• Labiatae (1)
• Leguminosae-Caesalpinioideae (1)
• Leguminosae-Papilionoideae
• Liliaceae (1)
• Malvaceae (1)
• Pedaliaceae (1)
• Phytolaccaceae (1)
• Polygonaceae (1)
• Scrophulariaceae (2)
• Solanaceae
• Tetragoniaceae (2)
• Tropaeolaceae (1)
• Umbelliferae (2)

Families containing insusceptible hosts

• Amaranthaceae (1)
• Caryophyllaceae (1)
• Chenopodiaceae (2)
• Compositae (2)
• Cucurbitaceae
• Leguminosae-Papilionoideae
• Scrophulariaceae (1)
• Solanaceae (2)

Physical and biochemical properties

Properties of particles in sap

TIP: 50-56.66-70 °C. LIV: 1-3.5-10 days. DEP: log₁₀ minus 3 (2), or 4, or 5-6 (2). Infectivity of sap not changed by treatment with di-ethyl ether (1/1). Leaf sap contains few virions (1/2), or contains many virions (2/2).

Particle morphology

Virions isometric; not enveloped; 29-29.33-30 nm in diameter; rounded in profile, or angular in profile (1); with a conspicuous capsomere arrangement (1), or without a conspicuous capsomere arrangement (2).

Physical properties

One sedimenting component in purified preparations, or four sedimenting components in purified preparations (1); sedimentation coefficient 98-116.6-152 S; of the other(s) 37-86-135 S. Density 1.357-1.365-1.367 g cm^-3 in CsCl. Isoelectric point pH 5.5-5.716-6.05. A₂₆₀/A₂₈₀ ratio 1.6-1.65-1.7.

Biochemical properties

Virions contain 16-18.4-21.2 % nucleic acid; 78.8-81.6-84 % protein; 0 % lipid.

Genome consists of RNA; single-stranded; linear (2/2). Total genome size 8.5-8.606-8.698 kb. Genome of three parts; largest (or only) genome part 3.355-3.384-3.41 kb; the 2nd largest 2.946-3.018-3.074 kb; the 3rd largest 2.186-2.199-2.214 kb. Base composition 23.1-23.83-24 % G; 23-24.8-26.2 % A; 21-21.83-23 % C; 29-29.51-30.1 % U. 5´ terminus of RNA has a methylated nucleotide cap (1/2), or a VPg (1/2). Infectivity retained when deproteinised with proteases (1/2), or decreased when deproteinised with proteases (2/2); retained when deproteinised with phenol or detergent (2/2). Poly A region absent (2/2). Genome has tRNA-like activity (2/2).

NCBI sequence data (Entrez search)

Features of the genome

Non-genomic nucleic acid found in the virions; is subgenomic mRNA, or satellite RNA. Sub-genomic mRNA found in infected cells (1/1).

Features of proteins

Virion protein(s) one (1/1); M_r 24240-24370-24500.

Virus-coded non-virion proteins isolated (1/2), or identified by genomic sequence analysis (1/2); one protein found (1/2), or three proteins found (1/2). M_r 30000-33150-36300. M_r of 2nd largest 31000. M_r of 3rd 9900.

Replication

Replication does not depend on a helper virus (2/2).

Cytopathology

Virions found in cytoplasm, or in cell vacuoles (2). Inclusions present in infected cells; are crystals in the cytoplasm; they contain virions (2/2).

Taxonomy and relationships

Viral family : Bromoviridae.

Illustrations

Electron micrograph.

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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.

Please send comments, corrections and suggestions to: vide-manager@biology.anu.edu.au