Molecular hybridization studies on the relationships between different serotypes of bluetongue virus and on the difference between the virulent and attenuated strains of the same serotype

dc.contributor.authorHowell, P.G.
dc.contributor.editorDe Lange, M.
dc.contributor.editorBigalke, R.D.
dc.contributor.editorHowell, P.G.
dc.contributor.editorReinecke, R.K.
dc.contributor.editorWalker, Jane B.
dc.contributor.otherDe Kock, V.E.
dc.contributor.upauthorHuismans, H. (Henk), 1942-
dc.date.accessioned2016-07-07T09:28:36Z
dc.date.available2016-07-07T09:28:36Z
dc.date.created2016
dc.date.issued1973
dc.descriptionThe articles have been scanned in colour with a HP Scanjet 5590; 300dpi. Adobe Acrobat XI Pro was used to OCR the text and also for the merging and conversion to the final presentation PDF-format.en_ZA
dc.description.abstractIsolates of ³H-labelled messenger RNA of a number of different bluetongue virus serotypes were hybridized with saturating amounts of denatured ³²P-labelled double-stranded RNA of different serotypes. These cross-hybridization products were then analysed by polyacrylamide gel electrophoresis. The results indicate relatively large differences between the various serotypes. Only a few of the genome segments in the different serotypes were completely homologous. Each of the cross- hybridization patterns obtained using the genome of Serotype 10 and any one of the other serotypes was unique and characteristic for the strain under investigation. The patterns furthermore clearly indicated different degrees of homology between the genomes of the different serotypes. The immunological specificity of the serotypes appears to be determined mainly by the second genome segment of the virus while genome segment six could be of secondary importance. These results were supported by a study of the cross-hybridization patterns between different isolates of Serotype 4. Cross-hybridization experiments between virulent and attenuated strains of the same serotype also indicated small differences. In all the serotypes investigated the process of attenuation involved changes in genome segments two and six. This result would tend to implicate the same genome segments in the determination of both the immunological specificity and the virulence of the virus.en_ZA
dc.identifier.citationHuismans, H & Howell, PG 1973, 'Molecular hybridization studies on the relationships between different serotypes of bluetongue virus and on the difference between the virulent and attenuated strains of the same serotype’, Onderstepoort Journal of Veterinary Research, vol. 40, no. 3, pp. 93-103.en_ZA
dc.identifier.issn0330-2465
dc.identifier.urihttp://hdl.handle.net/2263/54204
dc.language.isoenen_ZA
dc.publisherPretoria : The Government Printeren_ZA
dc.rights© 1973 ARC - Onderstepoort and Faculty of Veterinary Science. University of Pretoria (original). © 2016 University of Pretoria. Department of Library Services (digital).en_ZA
dc.subjectBluetongue virusen_ZA
dc.subject.lcshVeterinary medicine -- South Africa
dc.titleMolecular hybridization studies on the relationships between different serotypes of bluetongue virus and on the difference between the virulent and attenuated strains of the same serotypeen_ZA
dc.typeArticleen_ZA

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