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Reactivity with monoclonal antibodies of viruses from an episode of foot-and-mouth disease

Authors
Journal
Virus Research
0168-1702
Publisher
Elsevier
Publication Date
Volume
8
Issue
3
Identifiers
DOI: 10.1016/0168-1702(87)90020-7
Keywords
  • Foot-And-Mouth Disease Virus
  • Monoclonal Antibody
  • Synthetic Peptide
  • Antigenic Variant
Disciplines
  • Biology
  • Medicine

Abstract

Abstract A panel of 12 monoclonal antibodies (MAbs) raised against foot-and-mouth disease virus (FMDV) of serotype C 1 (FMDV C-S8cl) and 11 MAbs raised against other FMDVs have been used to evaluate the reactivity of 14 isolates of FMDV of serotype C 1 (series FMDV C-S), 12 of them from one disease episode (Spain 1979–1982). The assays used were immunoelectrotransfer blot, immunodot and neutralization of infectivity. None of the isolates could be clearly distinguished by its reactivity with 6 non-neutralizing and 2 neutralizing MAbs raised against FMDV C-S8c1. In contrast, the isolates were distinguished in two groups by a 10 2-fold difference in their reactivity with 6 neutralizing MAbs. The reactivity of MAbs with synthetic peptides indicated that conserved and non-conserved epitopes recognised respectively by neutralizing MAbs 4G3 and SD6 are localized in the immunogenic region (amino acids 138–156) of VP1. Thus, epidemiologically related FMDVs differ in at least one epitope critical for virus neutralization.

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