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Restriction endonuclease analysis of infectious laryngotracheitis viruses: comparison of modified-live vaccine viruses and North Carolina field isolates



Restriction endonuclease analysis of infectious laryngotracheitis viruses: comparison of modified-live vaccine viruses and North Carolina field isolates



Avian Diseases 33(2): 316-323



Six modified-live (ML) infectious laryngotracheitis (ILT) vaccine viruses, 3 reference strains, and 18 field isolates were compared by restriction endonuclease analysis of DNA. Viral DNA digestion patterns were established for vaccine viruses using restriction endonucleases PstI, BamHI, KpnI, and HindIII. Using these enzymes 5 of 6 ML vaccine viruses had identical restriction endonuclease cleavage patterns.

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Accession: 001934990

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PMID: 2546530

DOI: 10.2307/1590850


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