Location of neutralizing epitopes defined by monoclonal antibodies generated against the outer capsid polypeptide, VP1, of foot-and-mouth disease virus A12 |
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Authors: | B H Robertson D O Morgan D M Moore |
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Affiliation: | Plum Island Animai Disease Center U.S. Department of Agriculture P.O. Box 848, Greenport, NY 11944, U.S.A. |
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Abstract: | The epitopes of six monoclonal antibodies generated against type A12 foot-and-mouth disease virus (FMDV) VP1 or its largest cyanogen bromide fragment (13 kd) were characterized. Five of these monoclonal antibodies neutralized viral infectivity. Solid-phase and competitive antigen binding assays using virion-derived antigens or a biosynthetic VP1 polypeptide identified two distinct neutralizing epitopes. One epitope was located between amino acid residues 145-168 of VP1 and the other between amino acids 169-179. The results indicate that antibodies reacting with two distinct areas of the VP1 polypeptide are capable of neutralizing FMD virus. |
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Keywords: | foot and mouth disease virus monoclonal antibody neutralization epitope |
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