Analysis of genetic variation of epizootic hemorrhagic disease virus and bluetongue virus field isolates by coelectrophoresis of their double-stranded RNA.

S. Hammami, Bennie Osburn

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10 Citations (Scopus)

Abstract

Thirty-two bovine field isolates of bluetongue virus (BTV), 6 field isolates of epizootic hemorrhagic disease virus (EHDV) from deer, 4 BTV prototype serotypes (10, 11, 13, and 17), and 2 EHDV prototype serotypes (1 and 2) were coelectrophoresed, using polyacrylamide gels. Field isolates were obtained from various regions of the United States. Analysis of polyacrylamide gels and scattered plots generated for comparison of migration patterns for different isolates within each serotype of BTV revealed wide variation among the individual segments. The BTV serotypes 10 and 11 had more variation, compared with BTV serotypes 13 and 17, especially for migration of genome segment 5. A definitive correlation was not seen between the double-stranded RNA migration profiles on polyacrylamide gel electrophoresis, geographic origin, herd of origin, or year of collection. One BTV field isolate contained more than 1 electropherotype, with 2 bands at the segment-7 position, and it was further characterized as BTV serotype 11. Segments 2 and 5 of EHDV isolates were more variable in their migration than were the other gene segments. Generally, migration profiles for EHDV double-stranded RNA were more variable, compared with those of BTV isolates. Although a correlation was found between migration profiles and serotype of 2 isolates of EHDV, a study of additional EHDV isolates is required before the diversity of electrophoretic patterns of EHDV can be determined.

Original languageEnglish (US)
Pages (from-to)636-642
Number of pages7
JournalAmerican Journal of Veterinary Research
Volume53
Issue number5
StatePublished - May 1 1992

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Epizootic hemorrhagic disease virus
Bluetongue virus
Double-Stranded RNA
double-stranded RNA
serotypes
genetic variation
polyacrylamide
prototypes
gels
Deer
Serogroup
provenance
deer
polyacrylamide gel electrophoresis
Polyacrylamide Gel Electrophoresis
herds
Genome

ASJC Scopus subject areas

  • veterinary(all)

Cite this

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title = "Analysis of genetic variation of epizootic hemorrhagic disease virus and bluetongue virus field isolates by coelectrophoresis of their double-stranded RNA.",
abstract = "Thirty-two bovine field isolates of bluetongue virus (BTV), 6 field isolates of epizootic hemorrhagic disease virus (EHDV) from deer, 4 BTV prototype serotypes (10, 11, 13, and 17), and 2 EHDV prototype serotypes (1 and 2) were coelectrophoresed, using polyacrylamide gels. Field isolates were obtained from various regions of the United States. Analysis of polyacrylamide gels and scattered plots generated for comparison of migration patterns for different isolates within each serotype of BTV revealed wide variation among the individual segments. The BTV serotypes 10 and 11 had more variation, compared with BTV serotypes 13 and 17, especially for migration of genome segment 5. A definitive correlation was not seen between the double-stranded RNA migration profiles on polyacrylamide gel electrophoresis, geographic origin, herd of origin, or year of collection. One BTV field isolate contained more than 1 electropherotype, with 2 bands at the segment-7 position, and it was further characterized as BTV serotype 11. Segments 2 and 5 of EHDV isolates were more variable in their migration than were the other gene segments. Generally, migration profiles for EHDV double-stranded RNA were more variable, compared with those of BTV isolates. Although a correlation was found between migration profiles and serotype of 2 isolates of EHDV, a study of additional EHDV isolates is required before the diversity of electrophoretic patterns of EHDV can be determined.",
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AB - Thirty-two bovine field isolates of bluetongue virus (BTV), 6 field isolates of epizootic hemorrhagic disease virus (EHDV) from deer, 4 BTV prototype serotypes (10, 11, 13, and 17), and 2 EHDV prototype serotypes (1 and 2) were coelectrophoresed, using polyacrylamide gels. Field isolates were obtained from various regions of the United States. Analysis of polyacrylamide gels and scattered plots generated for comparison of migration patterns for different isolates within each serotype of BTV revealed wide variation among the individual segments. The BTV serotypes 10 and 11 had more variation, compared with BTV serotypes 13 and 17, especially for migration of genome segment 5. A definitive correlation was not seen between the double-stranded RNA migration profiles on polyacrylamide gel electrophoresis, geographic origin, herd of origin, or year of collection. One BTV field isolate contained more than 1 electropherotype, with 2 bands at the segment-7 position, and it was further characterized as BTV serotype 11. Segments 2 and 5 of EHDV isolates were more variable in their migration than were the other gene segments. Generally, migration profiles for EHDV double-stranded RNA were more variable, compared with those of BTV isolates. Although a correlation was found between migration profiles and serotype of 2 isolates of EHDV, a study of additional EHDV isolates is required before the diversity of electrophoretic patterns of EHDV can be determined.

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