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The genomic diversity and stability of field strains of Suid herpesvirus 1 (Aujeszky's disease virus)

  • Christensen, Laurids Siig
  • Sørensen, K. J.
Publication Date
Jan 01, 1991
Online Research Database In Technology
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The genomic diversity among isolates of suid herpesvirus 1 (SHV-1) collected in the same herd and among clones from the same isolate was studied by restriction fragment pattern (RFP) analysis using BamHI. Tentatively defining a field strain as a transmissible entity, it was concluded that strains of SHV-1 commonly comprise distinguishable genomic variants. Contrary to the hypothesis of genomic lability, it is suggested that the pool of variants is sufficiently stable to specifically characterize a strain. The impact of the results on epizootiological methods based on identification of field isolates is discussed in connection with Aujeszky's disease in Denmark.

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