Plant Viruses: Exploiting Agricultural and Natural Ecosystems. 11th Int. Plant Virus Epidemiology Symposium and 3rd Workshop of the Plant Virus Ecology Network (Session: Poster advertisements), 2010-06-20/2010-06-24
PRI BIOINT Entomology & Virology
In 2007 a new virus was reported in tomato crops in the South-East of Spain. This virus causes a severe disease in tomato, inducing heavy necrosis in leaves and fruits. The local farmers called this disease ‘Torrado’, which means roasted or burned. The virus has spherical particles of approximately 28 nm in diameter which are composed of three coat proteins and harbour two ssRNA’s of approximately 8 and 5 kb. Analysis of the full length sequence revealed that the virus could not be placed in any known plant virus genus. The new virus was named Tomato torrado virus (ToTV), and placed in the newly created, and recently ICTV ratified, genus Torradovirus. One year later a second species of the genus Torradovirus was identified in tomato crops in Mexico and named Tomato marchitez virus (ToMarV) (marchitez means withered)
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