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Use of a recombinant antigen in an indirect ELISA for detecting bovine antibody to capripoxvirus.

Authors
  • Carn, V M
  • Kitching, R P
  • Hammond, J M
  • Chand, P
Type
Published Article
Journal
Journal of Virological Methods
Publisher
Elsevier
Publication Date
Oct 01, 1994
Volume
49
Issue
3
Pages
285–294
Identifiers
PMID: 7868646
Source
Medline
License
Unknown

Abstract

The gene coding for the capripoxvirus structural protein P32 was cloned, expressed in Escherichia coli as a fusion protein with glutathione-S-transferase, and purified on glutathione Sepharose. An indirect enzyme linked immunosorbent assay (ELISA) using this antigen was developed to screen bovine sera for antibodies to capripoxvirus. Sequential serum samples from experimentally infected animals tested by ELISA and by virus neutralisation test (VNT) showed that the ELISA was more sensitive and detected antibodies to capripoxvirus earlier post-infection than the VNT.

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