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<p>BoAHV1 is a significant cattle pathogen, resulting in substantial economic losses worldwide. B-cell epitopes within the viral proteins are not well understood. In this study, we screened a 12-mer phage display peptide library using a commercial BoAHV1 antibody. A total of 16 phage clones displaying individual 12-mer peptides were identified as reactive with this antibody using dot bot analysis. Through sequence alignment, 10 putative BoAHV1 B-cell epitopes, designated as PV109, PV108, PV116, PV59, PV50, PV130, PV113, PV49, PV62, and PV133, located within viral proteins gB, gC, gG, gM, UL36, UL37, and UL49, respectively, were recognized by both commercial BoAHV1 antibody andBoAHV1 IgG positive cattle serum through dot blot assay. Interestingly, immunization of mice with the synthesized peptide PV116 led to the production of antibodies suitable for Western blot analysis. Furthermore, an ELISA kit for the detection of BoAHV1 IgG antibodies in serum was developed, utilizing the identified epitope PV49, PV108, PV109, and PV116 as coating antigen. Collectively, we have identified 10 novel B-cell epitopes ofBoAHV1. Among them, PV116 is capable of inducing the production of antibodies suitable for Western blotting assay, which also shows potential for the development diagnostic tools.</p>

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A B-cell epitope on the bovine herpesvirus 1 (BoAHV1) viral protein gC, referred to as PV116, is implicated in the generation of antibodies and the development of an ELISA kit for the detection of the virus antibody

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年2月10日

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  • Zhaohan Zhang,
  • Wenyuan Gu,
  • Xiaotian Fu,
  • Jiayu Lin,
  • Xiuyan Ding,
  • Liqian Zhu

摘要

BoAHV1 is a significant cattle pathogen, resulting in substantial economic losses worldwide. B-cell epitopes within the viral proteins are not well understood. In this study, we screened a 12-mer phage display peptide library using a commercial BoAHV1 antibody. A total of 16 phage clones displaying individual 12-mer peptides were identified as reactive with this antibody using dot bot analysis. Through sequence alignment, 10 putative BoAHV1 B-cell epitopes, designated as PV109, PV108, PV116, PV59, PV50, PV130, PV113, PV49, PV62, and PV133, located within viral proteins gB, gC, gG, gM, UL36, UL37, and UL49, respectively, were recognized by both commercial BoAHV1 antibody andBoAHV1 IgG positive cattle serum through dot blot assay. Interestingly, immunization of mice with the synthesized peptide PV116 led to the production of antibodies suitable for Western blot analysis. Furthermore, an ELISA kit for the detection of BoAHV1 IgG antibodies in serum was developed, utilizing the identified epitope PV49, PV108, PV109, and PV116 as coating antigen. Collectively, we have identified 10 novel B-cell epitopes ofBoAHV1. Among them, PV116 is capable of inducing the production of antibodies suitable for Western blotting assay, which also shows potential for the development diagnostic tools.