DNA restriction fragment length polymorphism among British isolates of Aujeszky's disease virus: use of the polymerase chain reaction to discriminate among strains.

Abstract excerpt

A retrospective analysis of DNA restriction fragment length polymorphism (RFLP) of Aujeszky's disease (AD) virus isolates from England and Wales over a 22-year period revealed considerable homogeneity of BamHI restriction endonuclease sites, both in number and size. The appearance of a new DNA RFLP in 1981 coincided with a marked increase in the number of new outbreaks of AD. A polymerase chain reaction (PCR)...

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