Journal
ARCHIVES OF VIROLOGY
Volume 158, Issue 2, Pages 463-466Publisher
SPRINGER WIEN
DOI: 10.1007/s00705-012-1507-4
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A distinct sobemovirus was isolated from diseased Artemisia annua plants grown in experimental culture plots in Switzerland. Electron microscopy performed on extracts of leaf and root samples of a diseased A. annua plant revealed icosahedral-30 nm viral particles. The complete nucleotide sequence of the viral genome was determined. The single positive-strand RNA of 4138 nt encodes four open reading frames with an organization similar to that described for sobemoviruses. Phylogenetic analysis revealed a close relationship to ryegrass mottle virus. The virus was efficiently acquired by healthy A. annua from contaminated soil samples. Artemisia virus A is tentatively proposed as a name for this new candidate member of the unassigned genus Sobemovirus.
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