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Product title :

Detection and genotyping of equid herpesvirus 1 in Uruguay

Author(s) : E.R. Castro & J. Arbiza

Summary :

Infection with equid alphaherpesvirus 1 (EHV-1) causes respiratory disease, abortion and neurological disorders in horses. Molecular epidemiology studies have demonstrated that a single nucleotide polymorphism (A2254/G2254) in the genome region of open reading frame 30 which results in an amino acid variation (N752/D752) of the EHV-1 DNA polymerase, is significantly associated with the neuropathogenic potential of naturally occurring strains. In recent years, an increase in the number of cases of equine neurological disease caused by neuropathogenic variants of EHV-1 has been observed in numerous countries. The purpose of this study was to detect the presence of the viral genome of EHV-1 and equid herpesvirus 4 (EHV-4) in the bronchopulmonary lymph nodes of 47 horses from various locations in Uruguay, obtained from a slaughterhouse, and to determine whether the EHV-1 genomes possessed the mutation associated with neuropathogenesis (G2254/D752).


Equid herpesvirus – Genotyping – Lymph node – Molecular detection – Neuropathogenic – Uruguay.

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