Desport, M., Stewart, M. E., Sheridan, C. A., Ditcham, W. G.F., Setiyaningsih, S., Tenaya, W. M., Hartaningsih, N. and Wilcox, G. E. (2005) Recombinant Jembrana disease virus gag proteins identify several different antigenic domains but do not facilitate serological differentiation of JDV and nonpathogenic bovine lentiviruses. Journal of Virological Methods, 124(1-2), pp. 135-142. (doi: 10.1016/j.jviromet.2004.11.015)
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Abstract
In Indonesia, it is suspected that there are two bovine lentiviruses circulating in the cattle population: a pathogenic Jembrana disease virus (JDV), and a nonpathogenic bovine immunodeficiency-like virus (BIV). Both viruses cross-react antigenically and cannot be differentiated by current serological tests using JDV antigens. To identify possible type-specific epitopes, a series of recombinant protein constructs including the matrix, capsid and nucleocapsid proteins were produced from JDV gag and the expressed proteins were tested by Western blot using JDV and BIV hyperimmune sera. JDV matrix and truncated capsid proteins were recognised by both JDV and BIV hyperimmune sera indicating that there were multiple cross-reactive epitopes present in JDV gag. At least three epitopic regions were identified in these constructs, including the major homology region, by monoclonal antibody binding studies. JDV nucleocapsid recombinant protein was not recognised by either JDV or BIV hyperimmune sera and none of the recombinant gag proteins were able to differentiate between JDV positive sera from Jembrana disease endemic and Jembrana disease-free areas. Additionally, a 40 amino acid recombinant subunit protein encompassing the region recently found to contain an epitope unique to BIV [Zheng, L., Zhang, S., Wood, C., Kapil, S., Wilcox, G.E., Loughin, T.A., Minocha, H.C., 2001. Differentiation of two bovine lentiviruses by a monoclonal antibody on the basis of epitope specificity. Clin. Diagn. Lab. Immunol. 8, 283–287] was tested but was not recognised by either JDV positive sera from Jembrana disease-endemic or Jembrana disease-free areas.
| Item Type: | Articles |
|---|---|
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | Stewart, Dr Meredith |
| Authors: | Desport, M., Stewart, M. E., Sheridan, C. A., Ditcham, W. G.F., Setiyaningsih, S., Tenaya, W. M., Hartaningsih, N., and Wilcox, G. E. |
| College/School: | College of Medical Veterinary and Life Sciences > School of Infection & Immunity College of Medical Veterinary and Life Sciences > School of Infection & Immunity > Centre for Virus Research |
| Journal Name: | Journal of Virological Methods |
| Publisher: | Elsevier |
| ISSN: | 0166-0934 |
| ISSN (Online): | 1879-0984 |
| Published Online: | 29 December 2004 |
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