Genetic profiles of bovine herpesvirus 1 strains isolated from cattle in Poland.

摘要

The purpose of the study was to determine subtypes of BHV1 strains isolated from cattle in Poland. In total five different strains of BHV1 were isolated during the last years. All isolates as well as four archival and two reference BHV1 strains were analysed by PCR and restriction enzyme analysis. Specificity of the strains was confirmed by PCR with primers complementary to the nucleotide sequence of gD gene. Subsequently, genomic DNA of the tested strains was digested with endonucleases Hind III and Hpa I. Restriction enzyme analysis revealed that all recently isolated BHV1 strains belonged to the BHV1.1 subtype. Among archival viruses, two strains had restriction pattern similar to the subtype BHV1.1 and two others to the subtype BHV1.2a. The presented study showed that currently subtype BHV1.1 is dominant in cattle population in Poland.