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Development of a Recombinant S1 Domain of the Porcine Epidemic Diarrhea Virus Spike Protein Based ELISA for Virus Detection

1,2, 3, 1

  1. 1Department of Tropical Agriculture and International Cooperation, National Pingtung University of Science and Technology, Pingtung, TAIWAN.
  2. 2Institute of Life Science, Thai Nguyen University of Agriculture and Forestry, Thai Nguyen, VIETNAM.
  3. 3Graduate Institute of Animal Vaccine Technology, National Pingtung University of Science and Technology, Pingtung, TAIWAN.

CORRESPONDENCE

Nguyen Van Noi

Department of Tropical Agriculture and International Cooperation, National Pingtung University of Science and Technology, Pingtung, TAIWAN.

nguyenvannoi@tuaf.edu.vn

Received: 14-05-2016; Accepted: 13-08-2016.

Volume 5, Issue 2 · pp. 125-130 · 2016 · DOI:

ABSTRACT

A recombinant S1 domain of the porcine epidemic diarrhea virus spike protein (S1), protein-based ELISA was developed to detect porcine epidemic diarrhea virus (PEDV). The S1 gene of PEDV was expressed in Escherichia coli. The purified recombinant S1 protein was used to immunize rabbits to generate a polyclonal antibody. Immunofluorescence analysis indicated that the anti-PEDV-S1 antibody reacted with PEDV-infected cells. The antibody was utilized to develop an indirect ELISA to detect PEDV. Other viruses, porcine transmissible gastroenteritis coronavirus, avian infectious bronchitis coronavirus, porcine reproductive and respiratory syndrome virus, classic swine fever virus and porcine pseudorabies virus, were unreactive.

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    Noi, N. V., Chung, Y., & Cheng, T. (2016). Development of a Recombinant S1 Domain of the Porcine Epidemic Diarrhea Virus Spike Protein Based ELISA for Virus Detection. Asian Journal of Biological and Life Sciences, 5(2), 125-130.

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    © 2016 Author(s)

    This is an open access article distributed under the terms of the Creative Commons Attribution 4.0 International License, which permits unrestricted use, distribution and reproduction in any medium, provided the original author and source are credited. CC BY 4.0