Abstract
A real-time reverse-transcription PCR (rRT-PCR) that targets a region of the polymerase (L) gene was developed to detect all known lineages of avian paramyxovirus type 1 (APMV-1), also known as Newcastle disease virus (NDV). A panel of 23 viruses representing the current known phylogenetic diversity of the APMV-1 population with a bias towards the more recent European strains, which had been grown in embryonated fowls’ eggs, were tested. A range of positive and negative clinical samples (n = 350) provided by the National Reference Laboratory and International Reference Laboratory at VLA Weybridge were also tested. Positive clinical material included samples considered representative of lineages 3, 4 and 5 obtained from chickens, ducks, pigeons and partridges. The negative sample population was obtained from chickens, turkeys and ducks. The APMV-1 L gene rRT-PCR gave high relative sensitivity (96.05%) and specificity (98.18%) when compared with virus isolation in embryonated fowls’ eggs. It is proposed that this assay could provide a first-line screening tool for the detection of APMV-1 in clinical samples.
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Fuller, C.M., Brodd, L., Irvine, R.M. et al. Development of an L gene real-time reverse-transcription PCR assay for the detection of avian paramyxovirus type 1 RNA in clinical samples. Arch Virol 155, 817–823 (2010). https://doi.org/10.1007/s00705-010-0632-1
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DOI: https://doi.org/10.1007/s00705-010-0632-1