Detection of epizootic hemorrhagic disease virus serotypes 1 and 2 in cell culture and clinical samples using polymerase chain reaction.

I. E. Aradaib, G. Y. Akita, Bennie Osburn

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Abstract

The potential for the use of the polymerase chain reaction (PCR) in detecting epizootic hemorrhagic disease virus (EHDV) ribonucleic acid in cell cultures and clinical samples was studied. Using oligoribonucleotide primers selected from genome segment 6 of EHDV-2 (Alberta strain), the PCR-based assay resulted in a 387-base pair (bp) PCR product. EHDV RNA from US prototype serotypes 1 and 2 and a number of EHDV field isolates, propagated in cell cultures, were detected by this EHDV PCR-based assay. Amplification products were visualized on ethidium bromide-stained agarose gels or detected by chemiluminescent hybridization. The sensitivity of the PCR assay was 100 fg of virus RNA (equivalent to 6 x 10(3) virus particles) with ethidium bromide-stained agarose gels. Chemiluminescent hybridization increased the sensitivity of the PCR assay 1,000 times, and specific signals were detected from 0.1 fg of virus RNA (equivalent to 6 virus particles). Amplification product was not detected when the PCR-based assay was applied to RNA from the US bluetongue (BT) virus prototype serotypes 2, 10, 11, 13, and 17 or total nucleic acid extracts from uninfected baby hamster kidney-21 cells, Vero cells, and blood cells from deer that were EHDV seronegative and virus isolation negative. Application of this EHDV PCR-based assay to clinical samples resulted in detection of EHDV RNA from blood and spleen samples from a deer in California with clinical hemorrhagic disease. This EHDV PCR-based assay could provide a rapid, sensitive, and specific assay for detection of EHDV infection in susceptible ruminants.

Original languageEnglish (US)
Pages (from-to)143-147
Number of pages5
JournalJournal of veterinary diagnostic investigation : official publication of the American Association of Veterinary Laboratory Diagnosticians, Inc
Volume6
Issue number2
DOIs
StatePublished - Jan 1 1994

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Epizootic hemorrhagic disease virus
serotypes
cell culture
Cell Culture Techniques
polymerase chain reaction
Polymerase Chain Reaction
assays
sampling
RNA
Deer
Ethidium
RNA Viruses
virion
prototypes
Virion
Sepharose
deer
agarose
oligoribonucleotides
hybridization

ASJC Scopus subject areas

  • veterinary(all)

Cite this

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abstract = "The potential for the use of the polymerase chain reaction (PCR) in detecting epizootic hemorrhagic disease virus (EHDV) ribonucleic acid in cell cultures and clinical samples was studied. Using oligoribonucleotide primers selected from genome segment 6 of EHDV-2 (Alberta strain), the PCR-based assay resulted in a 387-base pair (bp) PCR product. EHDV RNA from US prototype serotypes 1 and 2 and a number of EHDV field isolates, propagated in cell cultures, were detected by this EHDV PCR-based assay. Amplification products were visualized on ethidium bromide-stained agarose gels or detected by chemiluminescent hybridization. The sensitivity of the PCR assay was 100 fg of virus RNA (equivalent to 6 x 10(3) virus particles) with ethidium bromide-stained agarose gels. Chemiluminescent hybridization increased the sensitivity of the PCR assay 1,000 times, and specific signals were detected from 0.1 fg of virus RNA (equivalent to 6 virus particles). Amplification product was not detected when the PCR-based assay was applied to RNA from the US bluetongue (BT) virus prototype serotypes 2, 10, 11, 13, and 17 or total nucleic acid extracts from uninfected baby hamster kidney-21 cells, Vero cells, and blood cells from deer that were EHDV seronegative and virus isolation negative. Application of this EHDV PCR-based assay to clinical samples resulted in detection of EHDV RNA from blood and spleen samples from a deer in California with clinical hemorrhagic disease. This EHDV PCR-based assay could provide a rapid, sensitive, and specific assay for detection of EHDV infection in susceptible ruminants.",
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