| occurrence of two different types of rna-5-containing beet necrotic yellow vein virus in the uk. | two types of rna-5-containing beet necrotic yellow vein virus (bnyvv) have been detected in the uk at different sites in norfolk. on the basis of nucleotide (nt) sequence comparisons, one virus source (uk-mh) was clearly identified as p type bnyvv, a virus type that had previously only been detected in two widely separated parts of the world, france and kazakhstan. the other virus source (uk-ff) has a complex genome composition. the analysed portions of its rnas 2 and 4 are closely related to th ... | 2007 | 16941060 |