| [typing of cattle leukemia virus circulating in the ukraine]. | bovine leucosis virus (blv), circulating in the ukrainian territory, was characterized through the definition of its subspecies affiliation. the pro-viral blv dna was isolated from peripheral-blood lymphocytes of naturally-hiv-infected black-variegate animals taken from leucosis-affected farms in the kharkov region. the env-gene fragment of pro-viral dna was amplified, sequenced and analyzed after the amplicon had been treated by three restriction enzymes, i.e. bamh i, bcl i and pvu ii. accordin ... | 2004 | 15017853 |