Plant Viruses Online   

Descriptions and Lists from the VIDE Database

Capilloviruses

Index

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

Nomenclature

ICTV reference

ICTV decimal code 13.0.1.

Definitive species

• Apple stem grooving capillovirus
• Cherry A capillovirus
• Citrus tatter leaf capillovirus
• Lilac chlorotic leafspot capillovirus

Tentative species

• Nandina stem pitting (?) capillovirus

Host range and symptoms

Natural host range and symptoms

Symptoms persist (3/4), or vary seasonally (1/4).

Transmission

Transmitted by means not involving a vector (1/1). Virus transmitted by mechanical inoculation (3/4), or not transmitted by mechanical inoculation (1/4); transmitted by grafting; transmitted by seed (2/3), or not transmitted by seed (1/3).

Experimental host range

Several (3-9) families susceptible (3/4), or few (<3) families susceptible (2/4).

Susceptible host species

• Aizoaceae (1)
• Amaranthaceae (1)
• Amaranthus retroflexus (1)
• Beta macrocarpa (1)
• Beta vulgaris (1)
• Chenopodiaceae (1)
• Chenopodium amaranticolor (1)
• Chenopodium capitatum (1)
• Chenopodium murale (1)
• Chenopodium quinoa (3)
• Citrus aurantifolia (1)
• Citrus excelsa (1)
• Citrus limon (1)
• Citrus medica (1)
• Citrus sinensis (1)
• Citrus sinensis × Poncirus trifoliata (1)
• Cucurbitaceae (1)
• Fabaceae (1)
• Lamiaceae (1)
• Malus sylvestris (1)
• Nandina domestica (1)
• Nicotiana benthamiana (1)
• Nicotiana clevelandii (2)
• Nicotiana glutinosa (3)
• Nicotiana glutinosa × N. clevelandii (1)
• Nicotiana rustica (1)
• Nicotiana tabacum (1)
• Petunia × hybrida (1)
• Phaseolus vulgaris (2)
• Poncirus trifoliata (1)
• Poncirus trifoliata × Citrus paradisi (1)
• Prunus cerasus (1)
• Rosaceae (1)
• Scrophulariaceae (1)
• Silene armeria (1)
• Solanaceae (1)
• Syringa vulgaris (1)
• Tetragonia tetragonioides (1)
• Trifolium incarnatum (1)
• Vicia faba (1)
• Vigna unguiculata (1)

Insusceptible host species

• Avena sativa (1/3)
• Brassica campestris ssp. pekinensis (1/3)
• Cassia occidentalis (1/3)
• Catharanthus roseus (1/3)
• Chenopodium amaranticolor (2/3)
• Chenopodium quinoa (1/3)
• Citrus aurantifolia (1/3)
• Crotalaria spectabilis (1/3)
• Cucumis melo (1/3)
• Cucumis sativus (1/3)
• Cucurbita pepo (1/3)
• Datura stramonium (1/3)
• Dianthus barbatus (1/3)
• Dianthus caryophyllus (1/3)
• Emilia sagittata (1/3)
• Fagopyrum esculentum (1/3)
• Glycine max (1/3)
• Gomphrena globosa (2/3)
• Helianthus annuus (1/3)
• Hordeum vulgare (1/3)
• Hyoscyamus niger (1/3)
• Lactuca sativa (1/3)
• Malus sylvestris (1/3)
• Montia perfoliata (1/3)
• Nicotiana benthamiana (1/3)
• Nicotiana megalosiphon (1/3)
• Nicotiana sylvestris (1/3)
• Nicotiana tabacum (1/3)
• Pisum sativum (1/3)
• Trifolium repens (1/3)
• Triticum aestivum (1/3)
• Tropaeolum majus (1/3)
• Vigna radiata (1/3)
• Vigna unguiculata (2/3)
• Zea mays (1/3)

Families containing susceptible hosts

• Aizoaceae (1)
• Amaranthaceae (2)
• Caryophyllaceae (1)
• Chenopodiaceae (3)
• Cucurbitaceae (1)
• Labiatae (1)
• Leguminosae-Papilionoideae (3)
• Nandinaceae (1)
• Oleaceae (1)
• Rosaceae (2)
• Rutaceae (1)
• Scrophulariaceae (1)
• Solanaceae (3)
• Tetragoniaceae (1)

Families containing insusceptible hosts

• Amaranthaceae (2/3)
• Apocynaceae (1/3)
• Caryophyllaceae (1/3)
• Chenopodiaceae (2/3)
• Compositae (1/3)
• Cruciferae (1/3)
• Cucurbitaceae (1/3)
• Gramineae (1/3)
• Leguminosae-Caesalpinioideae (1/3)
• Leguminosae-Papilionoideae (3/3)
• Polygonaceae (1/3)
• Portulacaceae (1/3)
• Rosaceae (1/3)
• Rutaceae (1/3)
• Solanaceae (3/3)
• Tropaeolaceae (1/3)

Physical and biochemical properties

Properties of particles in sap

TIP: 60-63.25-65 °C. LIV: 2-7-16 days. DEP: log₁₀ minus 4 (2/2). Leaf sap contains few virions (3/3).

Particle morphology

Virions filamentous; not enveloped (3/3); usually flexuous; with a clear modal length (4), or with no clear modal length (1); of 600-897.7-1536 nm; 12-13.87-19 nm wide. Axial canal obscure (3/3). Basic helix obvious (4/4), or obscure (1/4); pitch of basic helix 3.4-3.635-3.9 nm.

Physical properties

One sedimenting component in purified preparations (2/2); sedimentation coefficient 96-104-112 S. Density 1.302 g cm^-3 in CsCl. Isoelectric point pH 4.3. A₂₆₀/A₂₈₀ ratio 1.22-1.46-1.69.

Biochemical properties

Genome consists of RNA (3/3); single-stranded (2/2). Total genome size 6.5 kb. Genome unipartite (1/1). Base composition 20.7 % G; 30.8 % A; 20.7 % C; 29.8 % U. Poly A region present (2/2).

NCBI sequence data (Entrez search)

Features of proteins

Virion protein(s) one (4/4); M_r 24000-26250-27000.

Virus-coded non-virion proteins isolated (1/1); two proteins found (1/1). M_r 239900. M_r of 2nd largest 36000.

Replication

Replication does not depend on a helper virus (1/1).

Cytopathology

Virions found in cytoplasm (1/2), or in nuclei (1/2). Inclusions present in infected cells (2/2); are amorphous X-bodies (1/2), or viroplasms (1/2); they contain virions (2/2).

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.