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- Title
Properties of a carlavirus causing a latent infection of pepino ( Solanum muricatum).
- Authors
THOMAS, WAYNE; MOHAMED, N. A.; FRY, MARGARET E.
- Abstract
SUMMARY Pepino (Solanum muricatum) cuttings imported from Chile contained a latent virus which was transmitted by inoculation of sap to Chenopodium quinoa but not to 21 other species. The virus was transmitted by the aphid, Myzus persicae. In C. quinoa sap, the virus lost infectivity when diluted between 10-3 and 10-4, heated for 10 min between 65 and 70 °C, or stored at room temperature for 4 to 6 days. The virus particles were straight or slightly flexuous filaments 660 to 680 nm long. Up to 15 mg virus per 100 g C. quinoa leaves was obtained by clarification with a mixture of chloroform and carbon tetrachloride. Purified preparations had Amax/Amin= 1.11, A260/A280= 1-30, A0.2601%= 2.8, and contained a single sedimenting component with a sedimentation coeficient of 149s and a buoyant density in CsCl of 1-318. The virus particles contained 5.5% of single-stranded RNA of mol. wt 2.4×106 (estimated by gel electrophoresis of undenatured RNA) and sedimentation coefficient 38.5S, and a single polypeptide of mol. wt 33 000. The virus is distantly serologically related to potato S and carnation latent viruses and is considered a new member of the carlavirus group. The name pepino latent virus is proposed. The cryptogram for this virus is R/1: 2.4/5-5: E/E: S/Ve/Ap.
- Publication
Annals of Applied Biology, 1980, Vol 95, Issue 2, p191
- ISSN
0003-4746
- Publication type
Article
- DOI
10.1111/j.1744-7348.1980.tb04738.x