Amplification of strains of bovine herpesvirus 1 by ...

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Title Amplification of strains of bovine herpesvirus 1 by use of polymerase chain reaction with primers in the thymidine kinase region
Author(s) Frederick S. B. Kibenge, L. M. Harris, P. K. McKenna, D. Wadowska, Carmencita V. Yason
Journal American Journal of Veterinary Research
Date 1994
Volume 55
Issue 9
Start page 1206
End page 1212
Abstract A primer pair was designed from the published nucleotide sequence of the coding region of the bovine herpesvirus 1 (BHV-1) thymidine kinase (tk) gene for use in detection of the virus by use of polymerase chain reaction (PCR) amplification of 12 BHV-1 strains (3 ATCC and 9 local isolates). A tk deletion mutant BHV-1, and 2 BHV-4 strains from ATCC were used as negative controls. One strain each of feline herpes-virus, equine herpesvirus, and bovine adenovirus, and 2 noninoculated bovine cultured cells--bovine fetal testis and Madin-Darby bovine kidney--also were examined to verify specificity of the primers. A PCR product, 183 bp long, was detected by ethidium bromide staining after agarose gel electrophoresis, when purified DNA from cell cultures infected with BHV-1 strain LA was used as template. Specificity of the PCR product was confirmed by restriction digestion with Sac II enzyme and Southern blot hybridization. Amplification was detected by ethidium bromide staining of agarose gels and/or Southern blot hybridization with the radiolabeled PCR product of the LA strain in similarly prepared DNA templates of 5 other BHV-1 strains, 2 obtained from ATCC and 3 of the 9 local isolates. In a modified PCR protocol, using virus suspensions treated with a nucleic acid-releasing cocktail, substantial amplification was obtained for the 3 BHV-1 strains from ATCC and for all 9 local bovine herpesvirus field isolates.(ABSTRACT TRUNCATED AT 250 WORDS)

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