Koolivand, Davoud, Sokhandan Bashir, Nemat, Rostami, Afshin (2017). Preparation of polyclonal antibody against recombinant coat protein of Cucumber mosaic virus isolate B13. , 6(1), 25-34. doi: 10.48311/jcp.2017.1322
Davoud Koolivand; Nemat Sokhandan Bashir; Afshin Rostami. "Preparation of polyclonal antibody against recombinant coat protein of Cucumber mosaic virus isolate B13". , 6, 1, 2017, 25-34. doi: 10.48311/jcp.2017.1322
Koolivand, Davoud, Sokhandan Bashir, Nemat, Rostami, Afshin (2017). 'Preparation of polyclonal antibody against recombinant coat protein of Cucumber mosaic virus isolate B13', , 6(1), pp. 25-34. doi: 10.48311/jcp.2017.1322
Koolivand, Davoud, Sokhandan Bashir, Nemat, Rostami, Afshin Preparation of polyclonal antibody against recombinant coat protein of Cucumber mosaic virus isolate B13. , 2017; 6(1): 25-34. doi: 10.48311/jcp.2017.1322

Preparation of polyclonal antibody against recombinant coat protein of Cucumber mosaic virus isolate B13

Journal of Crop Protection
Article 3, Volume 6, Issue 1, 2017, Pages 25-34    PDF (1.37 M)
DOI: 10.48311/jcp.2017.1322
Authors
Davoud Koolivand* 1; Nemat Sokhandan Bashir2; Afshin Rostami1
1Department of Plant Protection, Faculty of Agriculture, University of Zanjan, Zanjan-Iran.
2Department of Plant Protection, Faculty of Agriculture, University of Tabriz, Tabriz, Iran.
Abstract
Cucumber mosaic virus (CMV) is one of widely-spread viruses of plants with the broadest host range encompassing over 1200 species. One major limiting factor for detection of the virus is unavailability of the virus-specific antibodies especially in developing countries. Recombinant DNA technology facilitates antibody preparation without requiring special equipment. In this study, coat protein (CP) gene cDNA of CMV was subcloned from pTZ57CMVCP into pET21a expression vector and transformed into Escherichia coli strain Rosetta. Expression of CMV CP was examined by sodium dodecyl sulphate polyacrylamide gel electrophoresis (SDS-PAGE) and its identity was confirmed by western blotting, dot blot immunobinding assay (DIBA) and enzyme- linked immunosorbent assay (ELISA) using anti- CMV antibody. The expressed protein was purified using T7•Tag affinity purification kit and used as antigen for raising polyclonal antibodies in two mice. The purified anti-CMV CP IgG and the conjugated IgG performed favourably in terms of specificity and sensitivity to detect both expressed CP (antigen) and CMV isolates in infected cucurbit plants using plate trapped antigen (PTA)- ELISA, double-antibody sandwich (DAS)-ELISA and western blotting. The prepared antibodies can be applied in serological and sero-molecular tests in studies on the virus and in screening of plants for the infection. This is the first report of preparation of antibodies against CP of an indigenous isolate of CMV.
Keywords
Antibody; Coat Protein; Cucumber mosaic virus; E. coli; Expression; western blot
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