Further Studies on a Tomato Black Ring Virus Isolate from Artichoke |
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| Authors: | G L Rana A Di Franco P Piazzolla A Migliori |
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| Institution: | Dipartimento di Patologia Vegetale, Universitàdegli Studi, Bari, Italy I.N.R.A., Station de Pathologie Végétale, Centre de Recherches de Rennes, Le Rheu, France |
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| Abstract: | An isolate of tomato black ring virus from artichoke (TBRV-A) was compared biologically, physico-chemically and serologically with three strains of the virus, i.e. TBRV-potato bouquet (TBRV-BU), TBRV-beet ringspot (TBRV-W), and TBRV-celery yellow vein (TBRV-Ce). Cytopathic effects of TBRV-A infection in C. quinoa and its relationships with two strains of artichoke Italian latent virus (AILV-S and AILV-G) were also investigated. Physical properties in vitro, sedimentation coefficients and molecular weight of protein subunits and nucleic acid species of TBRV-A were very similar to those known for TBRV. In serological tests, TBRV-A appeared more closely related to TBRV-W (SDI = 1) than to TBRV-Ce and TBRV-BU (SDI = 2–3). Finally, TBRV-A was very, distantly related to AILV-S and AILV-G (SDI = 11–12). |
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