Molecular characterization of isolates of anagyris vein yellowing virus, plantago mottle virus and scrophularia mottle virus - Comparison of various approaches for tymovirus classification

Koenig, R.; Pleij, C.W.A.; Lesemann, D.-E.; Loss, S.; Vetten, Heinrich-Josef GND

The complete nucleotide sequences were determined for the genomic RNAs of three tymoviruses, i.e. isolates of anagyris vein yellowing virus (AVYV), plantago mottle virus (PlMoV) and scrophularia mottle virus (SrMV) which are all serologically closely related to ononis yellow mosaic virus (ibid) and to Nemesia ring necrosis virus (NeRNV), a recently described recombinant virus which is widely spread in commercially grown ornamental plant species belonging to the Scrophulariaceae. Total nucleotide and coat protein amino acid sequence identities revealed similar groupings in the genus tymovirus as serological studies did. The latter, however, tended to suggest much closer relationships than the molecular data and may fail to recognise the distinctiveness of new tymovirus species. The usefulness of various species demarcation criteria for the classification of tymoviruses is discussed. © Springer-Verlag 2005.

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Koenig, R. / Pleij, C.W.A. / Lesemann, D.-E. / et al: Molecular characterization of isolates of anagyris vein yellowing virus, plantago mottle virus and scrophularia mottle virus - Comparison of various approaches for tymovirus classification. 2005.

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