Immunogenicity of synthetic peptides representing neutralizing epitopes on the glycoprotein of infectious hematopoietic necrosis virus
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Abstract
Three peptides, P76, P226, and P268 representing 3 putative antigen~c determinants on the glycoprotein of infectious hematopoietic necrosis virus (IHNV), were synthesized and injected into rainbow trout Oncorhynchus mykiss to assess their immunogen~city. Antisera extracted from the immunized trout were analyzed uslng an enzyme linked imrnunosorbent assay (ELISA) for the presence of antibodies that could bind to the peptides or to intact virions of IHNV. The antisera were also tested for neutralizing activity against IHNV by a complement-mediated neutralization assay. In general, recognition of the peptides and IHNV was low and only a few antibody binding patterns were demonstrated. Antisera from fish injected with P76 constructs recognized the homologous peptide more than the heterologous peptides, whereas antisera from fish inoculated with either P226 or P268 constructs recognized P76 equally, or better, than the homologous peptide; however, there was a high degree of individual variation within each treatment group. Neutralization actlvlty was demonstrated by serum from a single flsh lnlected with one of the pept~des (P268) and from 7 of 10 positive control f~sh Infected with an attenuated strain of IHNV Possible explanations for the dichotomous immune responses are discussed. These results indicate we need to improve our overall understanding of the
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Immunogenicity of synthetic peptides representing neutralizing epitopes on the glycoprotein of infectious hematopoietic necrosis virus |
| Series title | Diseases of Aquatic Organisms |
| DOI | 10.3354/dao028175 |
| Volume | 28 |
| Issue | 3 |
| Year Published | 1997 |
| Language | English |
| Publisher | Inter-Research |
| Contributing office(s) | Western Fisheries Research Center |
| Description | 10 p. |
| First page | 175 |
| Last page | 184 |
| Google Analytic Metrics | Metrics page |