Comparison of the 5'‐end nucleotide sequences of luteoviruses from oilseed rape and sugar beet

Abstract
Using specific primers for the 5'‐ends of the RNA of turnip yellows luteovirus (TuYV) and beet mild yellowing luteovirus (BMW) corresponding genomic regions of several isolates were RT‐PCR amplified, cloned and sequenced. Comparison of the sequence data support the point of view that both viruses can not be isolates of one and the same virus as they share nearly no common sequence motifs. While the sequences of BMW isolates are rather conserved the sequences of different TuYV isolates revealed a high diversity.