Plant Viruses Online   

Descriptions and Lists from the VIDE Database

Lettuce infectious yellows (?) closterovirus

Index

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

Data collated by J.E. Duffus and S. Molyneux, 1986.

Nomenclature

Acronym

LIYV.

ICTV decimal code

17.0.1.T.3.05

Host range and symptoms

Natural host range and symptoms

Symptoms persist.
• Lactuca sativa, Citrullus lanatus, Cucumis melo, Cucurbita pepo, C. maxima, C. moschata, Beta vulgaris, Daucus carota - severe chlorosis and/or reddening, rolling vein-clearing and brittleness of leaves, stunting.

Transmission

Transmitted by a vector; an insect; Bemisia tabaci; Aleyrodidae. Transmitted in a semi-persistent manner. Virus does not multiply in the vector; not transmitted by mechanical inoculation.

Ecology and control

Studies reported by Duffus et al. (1986).

Geographical distribution

Spreads in the USA (California and Arizona).

Experimental host range

Many (>9) families susceptible (45 spp. in 15 families).

Diagnostically susceptible host species and symptoms

Beta vulgaris, Chenopodium quinoa, Lactuca sativa, Brassica campestris ssp. pekinensis, Citrullus lanatus, Cucumis melo, Cucumis sativus, Trifolium subterraneum, Malva parviflora, Nicotiana clevelandii - severe chlorosis, and/or reddening, rolling, vein-clearing and brittleness of leaves; stunting.

Diagnostically insusceptible host species

Capsicum annuum, Nicotiana tabacum, Phaseolus vulgaris, Vicia faba, Datura stramonium.

Maintenance and propagation hosts

Lactuca sativa, Malva parviflora, Nicotiana clevelandii.

Assay hosts (Local lesions or Whole plants)

Lactuca sativa (W), Nicotiana clevelandii (W), Malva parviflora (W).

Susceptible host species

• Beta macrocarpa
• Beta vulgaris
• Brassica campestris ssp. pekinensis
• Brassica campestris ssp. rapa
• Capsella bursa-pastoris
• Carthamus tinctorius
• Chenopodium capitatum
• Chenopodium murale
• Chenopodium quinoa
• Cichorium endiva
• Citrullus lanatus
• Cucumis melo
• Cucumis sativus
• Cucurbita maxima
• Cucurbita moschata
• Cucurbita pepo
• Daucus carota
• Dianthus caryophyllus
• Helianthus annuus
• Lactuca sativa
• Malva parviflora
• Nicotiana clevelandii
• Petunia × hybrida
• Pisum sativum
• Raphanus sativus
• Sonchus oleraceus
• Spinacia oleracea
• Trifolium subterraneum
• Tropaeolum majus
• Zinnia elegans

Insusceptible host species

• Abelmoschus esculentus
• Allium cepa
• Bellis perennis
• Brassica campestris ssp. napus
• Brassica oleracea var. botrytis
• Capsicum annuum
• Coriandrum sativum
• Cyamopsis tetragonoloba
• Datura metel
• Datura stramonium
• Gossypium hirsutum
• Lycopersicon esculentum
• Medicago sativa
• Nicandra physalodes
• Nicotiana tabacum
• Ocimum basilicum
• Phaseolus vulgaris
• Physalis floridana
• Sesamum indicum
• Vicia faba

Families containing susceptible hosts

• Caryophyllaceae (1/1)
• Chenopodiaceae (6/6)
• Compositae (6/7)
• Cruciferae (4/6)
• Cucurbitaceae (6/6)
• Leguminosae-Papilionoideae (2/6)
• Malvaceae (1/3)
• Solanaceae (2/9)
• Tropaeolaceae (1 /1)
• Umbelliferae (1/2)

Families containing insusceptible hosts

• Alliaceae (1/1)
• Compositae (1/7)
• Cruciferae (2/6)
• Labiatae (1/1)
• Leguminosae-Papilionoideae (4/6)
• Malvaceae (2/3)
• Pedaliaceae (1/1)
• Solanaceae (7/9)
• Umbelliferae (1 /2)

Sources of host-range data

Duffus et al. (1982); Duffus et al. (1986).

Physical and biochemical properties

Properties of particles in sap

Leaf sap contains few virions.

Purification method

Duffus et al. (1986).

Particle morphology

Virions filamentous; usually flexuous; of 1800-2000 nm; 13-14 nm wide.

Biochemical properties

Genome consists of RNA; single-stranded.

NCBI sequence data (Entrez search)

Sequence database accession code(s)

• U05242 Em(40)_vi:LI05242 Gb(84)_pl:LIU05242 Lettuce infectious yellows virus coat protein gene, complete cds. 2/94 791bp.
• U15440 Em(43)_vi:Li15440 Gb(89)_vi:Liu15440 Lettuce infectious yellows virus RNA 1 methyltransferase and RNA-dependent RNA polymerase.
• U15441 Em(43)_vi:Li15441 Gb(89)_vi:Liu15441 Lettuce infectious yellows virus RNA 2 heat-shock protein, coat protein, and duplicated coat.

Cytopathology

Virions found in vascular parenchyma. Inclusions present in infected cells; are membranous bodies; they contain virions.

Taxonomy and relationships

Possible Closterovirus

Virus(es) with serologically unrelated virions

Beet pseudoyellows virus.

Comments and References

References

• Duffus, J.E., Larsen, R.C. and Liu, H.Y. (1986). Phytopathology 76: 97.
• Duffus, J.E., Mayhew, D.E. and Flock, R.A. (1982). Phytopathology 72: 963.
• Houk, M.S. and Hoefert, L.L. (1983). Phytopathology 73: 790.

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.