Plant Viruses Online   

Descriptions and Lists from the VIDE Database

Idaeoviruses

Index

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

Nomenclature

ICTV reference

ICTV decimal code 34.0.1.

Definitive species

• Raspberry bushy dwarf idaeovirus

Host range and symptoms

Natural host range and symptoms

Symptoms none.

Transmission

Transmitted by means not involving a vector. Virus transmitted by mechanical inoculation; transmitted by grafting; transmitted by seed; transmitted by pollen to the seed, or transmitted by pollen to the pollinated plant.

Experimental host range

Many (>9) families susceptible.

Susceptible host species

• Chenopodium amaranticolor
• Chenopodium murale
• Chenopodium quinoa
• Fragaria vesca
• Nicotiana clevelandii
• Phaseolus vulgaris
• Rubus idaeus
• Rubus loganobaccus
• Rubus occidentalis
• Rubus ursinus

Families containing susceptible hosts

• Chenopodiaceae
• Leguminosae-Papilionoideae
• Rosaceae
• Solanaceae

Physical and biochemical properties

Properties of particles in sap

TIP: 65 °C. LIV: 4 days. DEP: log₁₀ minus 4.

Particle morphology

Virions isometric; not enveloped; 33 nm in diameter; angular in profile; without a conspicuous capsomere arrangement.

Physical properties

One sedimenting component in purified preparations, or three sedimenting components in purified preparations; sedimentation coefficient 115 S. Density 1.37 g cm^-3 in CsCl.

Biochemical properties

Virions contain 24 % nucleic acid; 76 % protein.

Genome consists of RNA; single-stranded; linear. Total genome size 8.6 kb. Genome of three parts; largest (or only) genome part 5.4 kb; the 2nd largest 2.2 kb; the 3rd largest 1 kb. Poly A region absent.

NCBI sequence data (Entrez search)

Features of the genome

Non-genomic nucleic acid found in the virions; is subgenomic mRNA.

Features of proteins

Virion protein(s) one; M_r 29000.

Replication

Replication does not depend on a helper virus.

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.