Detection of grass carp reovirus (GCRV) with monoclonal antibodies

Detection of grass carp reovirus (GCRV) with monoclonal antibodies Grass carp reovirus (GCRV) is a pathogen that causes hemorrhagic disease of grass carp. It is the most serious infectious disease of carp and causes serious losses of fingerlings of grass carp and black carp. In this study, a recombinant VP4, one of the viral core proteins, was constructed with a histidine tag and expressed at a high level in E. coli , and the expressed protein was mainly found in the form of inclusion bodies. The expressed VP4 protein was recognized by an anti-His-tag monoclonal antibody and goat anti-GCRV serum. Four monoclonal antibodies (16B7, 39E12, 13C3 and 14D1) against the recombinant VP4 protein were produced. These MAbs did not react with any of the tested viruses or fish cells lines in the ELISA tests except GCRV. In western blotting analysis, a protein band was observed when the recombinant VP4 protein of GCRV was used as an antigen, but a 68-kDa band was observed when natural capsid proteins of GCRV were used as antigens. Furthermore, a sandwich ELISA was developed for detection of GCRV. The detection limit of the test was 10 5 TCID 50 of GCRV per mL. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Archives of Virology Springer Journals

Detection of grass carp reovirus (GCRV) with monoclonal antibodies

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Publisher
Springer Journals
Copyright
Copyright © 2014 by Springer-Verlag Wien
Subject
Biomedicine; Virology; Medical Microbiology; Infectious Diseases
ISSN
0304-8608
eISSN
1432-8798
D.O.I.
10.1007/s00705-013-1864-7
Publisher site
See Article on Publisher Site

Abstract

Grass carp reovirus (GCRV) is a pathogen that causes hemorrhagic disease of grass carp. It is the most serious infectious disease of carp and causes serious losses of fingerlings of grass carp and black carp. In this study, a recombinant VP4, one of the viral core proteins, was constructed with a histidine tag and expressed at a high level in E. coli , and the expressed protein was mainly found in the form of inclusion bodies. The expressed VP4 protein was recognized by an anti-His-tag monoclonal antibody and goat anti-GCRV serum. Four monoclonal antibodies (16B7, 39E12, 13C3 and 14D1) against the recombinant VP4 protein were produced. These MAbs did not react with any of the tested viruses or fish cells lines in the ELISA tests except GCRV. In western blotting analysis, a protein band was observed when the recombinant VP4 protein of GCRV was used as an antigen, but a 68-kDa band was observed when natural capsid proteins of GCRV were used as antigens. Furthermore, a sandwich ELISA was developed for detection of GCRV. The detection limit of the test was 10 5 TCID 50 of GCRV per mL.

Journal

Archives of VirologySpringer Journals

Published: Apr 1, 2014

References

  • Complete genomic sequence of a reovirus isolated from grass carp in China
    Ye, X; Tian, YY; Deng, GC; Chi, YY; Jiang, XY
  • Molecular analysis of grass carp reovirus HZ08 genome segments 1–3 and 5–6
    Zhang, C; Wang, Q; Shi, C; Zeng, W; Liu, Y; Wu, S

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