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J Virol Methods. 1999 Aug;81(1-2):199-203.

PCR for specific detection of haemorrhagic enteritis virus of turkeys, an avian adenovirus.

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Institut für Geflügelkrankheiten, Freie Universität Berlin, Germany.


A hexon gene based PCR was developed for specific amplification of DNA sequences from the haemorrhagic enteritis virus (HEV) of turkeys. The hexon genes of different avian adenoviruses were compared for primer construction. Two regions with low sequence homology between HEV and fowl adenovirus (FAV) hexon genes were selected for primer localisation. In correlation with the known sequence data a fragment of 1647 bp was amplified from a live vaccine and spleens of turkeys suffering from haemorrhagic enteritis (HE). All other avian adenoviruses which are able to infect turkeys, i.e. FAV and turkey adenoviruses (TAV), were negative. This is the first PCR for specific detection of HEV DNA which should be useful for rapid diagnosis and epidemiological investigations of HEV infections in turkeys.

[Indexed for MEDLINE]

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