Applied Microbiology and Biotechnology

, Volume 102, Issue 21, pp 9243–9253 | Cite as

Identification of two novel fowl adenovirus C-specific B cell epitopes using monoclonal antibodies against the capsid hexon protein

  • Qing Pan
  • Jing Wang
  • Yulong Gao
  • Hongyu Cui
  • Changjun Liu
  • Xiaole Qi
  • Yanping Zhang
  • Yongqiang Wang
  • Xiaomei WangEmail author
Applied genetics and molecular biotechnology


The diseases associated with fowl adenovirus (FAdV) infection, such as inclusion body hepatitis (IBH), hepatitis-hydropericardium syndrome (HPS), and gizzard erosion (GE), were first reported in Pakistan in 1987, and subsequent outbreaks have been reported worldwide, especially in China, where severe outbreaks of HPS with high mortality from 30 to 100% were recently reported and resulted in significant economic losses to the poultry industry. The diagnosis methods of FAdVs were mostly limited to the nucleotide sequence of hexon by PCR and DNA sequencing. The aim of this study was to generate B cell epitope maps of the species- and serotype-specific hexon L1 using monoclonal antibodies (mAbs) and bioinformatics tools for the development of novel diagnostic methods. In this study, the hexon L1 (230 amino acids) was expressed and used to generate 10 mAb-expressing hybridoma cell lines against the relative protein peptide. Subsequently, we defined the linear peptide epitopes recognized by these mAbs using a series of partially overlapping peptides derived from the FAdV-C hexon protein amino acid sequence to map mAbs reactivity. Finally, a common B cell epitope (31PLAPKESMFN40) for all species FAdVs and two FAdV-C-specific epitopes (79KISGVFPNP87 and 181DYDDYNIGTT190) were identified. These mAbs and their defined epitopes may support the development of the universal or species-specific differential diagnostic methods of FAdVs.


Fowl adenovirus Species C Monoclonal antibodies Conserved epitope Specific epitope Hexon protein 



This work was partly supported by the National Key R&D Program (2016YFD0500800) of the Chinese Ministry of Science and Technology and by the National Natural Science Foundation of China (31602073) from the National Natural Science Funds.

Compliance with ethical standards

Conflicts of interest

The authors declare that they have no competing interests.

Ethics statement

The animal experiments with mice were approved by the Animal Care and Use Committee of Harbin Veterinary Research Institute (Harbin, China) and performed in accordance with the “Guidelines for Experimental Animals” of the Ministry of Science and Technology (Beijing, China). All mice were cared for in accordance with humane procedures.

Supplementary material

253_2018_9262_MOESM1_ESM.pdf (354 kb)
ESM 1 (PDF 353 kb)


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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  • Qing Pan
    • 1
  • Jing Wang
    • 1
  • Yulong Gao
    • 1
  • Hongyu Cui
    • 1
  • Changjun Liu
    • 1
  • Xiaole Qi
    • 1
  • Yanping Zhang
    • 1
  • Yongqiang Wang
    • 1
  • Xiaomei Wang
    • 1
    • 2
    Email author
  1. 1.Division of Avian Infectious Diseases, State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research InstituteChinese Academy of Agricultural SciencesHarbinChina
  2. 2.Jiangsu Co-innovation Center for the Prevention and Control of Important Animal Infectious Disease and ZoonoseYangzhou UniversityYangzhouChina

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