Journal of Integrative Agriculture ›› 2011, Vol. 10 ›› Issue (7): 1096-1105.DOI: 10.1016/S1671-2927(11)60099-0

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Immunoproteomic Assay of Antigenic Surface Proteins in Streptococcus equi ssp. zooepidemicus

  

  1. 1Key Laboratory of Animal Disease Diagnostic and Immunology, Ministry of Agriculture/College of Veterinary Medicine, Nanjing Agricultural University
  • 收稿日期:2010-07-26 出版日期:2011-07-21 发布日期:2011-08-14
  • 通讯作者: Correspondence FAN Hong-jie, Professor, Tel: +86-25-843965328, Fax: +86-25-84396517, E-mail: fhj@njau.edu.cn
  • 作者简介:MAO Ying, MSc, E-mail: maoying_00@yahoo.com.cn

Immunoproteomic Assay of Antigenic Surface Proteins in Streptococcus equi ssp. zooepidemicus

  1. 1Key Laboratory of Animal Disease Diagnostic and Immunology, Ministry of Agriculture/College of Veterinary Medicine, Nanjing Agricultural University
  • Received:2010-07-26 Online:2011-07-21 Published:2011-08-14
  • Contact: Correspondence FAN Hong-jie, Professor, Tel: +86-25-843965328, Fax: +86-25-84396517, E-mail: fhj@njau.edu.cn
  • About author:MAO Ying, MSc, E-mail: maoying_00@yahoo.com.cn

摘要: Streptococcus equi ssp. zooepidemicus (S. zooepidemicus) is a zoonotic pathogen with worldwide distribution. Lackingsuitable vaccine and virulent maker is still bottleneck to control this infection. An immunoproteomic approach has beenused to screen the membrane-associated and cell wall-associated proteins of S. zooepidemicus isolate in China CY todiscover vaccine candidate antigens and therapeutic agents. Finally, 11 membrane-associated proteins, and 13 cell wallassociatedproteins were successfully identified. BLAST (www.sanger.ac.uk) results also indicated that nucleotidesequences of majority identified proteins shared high homology (>60%) with S. zooepidemicus, except for AC1-3, AC5,AC8, and AC13. Moreover, genes for 7 of the identified proteins were detected from CY; compared with ST171, 3 of them(AM1, AM8 and AC11) were only found in virulent strains (CY). All of the proteins identified in this study remain not tobe reported in S. zooepidemicus. Some of the proteins serve a vital role in the immune system and reproduction of hostspecies according to available data, while the functions of the rest were seldom researched.

Abstract: Streptococcus equi ssp. zooepidemicus (S. zooepidemicus) is a zoonotic pathogen with worldwide distribution. Lackingsuitable vaccine and virulent maker is still bottleneck to control this infection. An immunoproteomic approach has beenused to screen the membrane-associated and cell wall-associated proteins of S. zooepidemicus isolate in China CY todiscover vaccine candidate antigens and therapeutic agents. Finally, 11 membrane-associated proteins, and 13 cell wallassociatedproteins were successfully identified. BLAST (www.sanger.ac.uk) results also indicated that nucleotidesequences of majority identified proteins shared high homology (>60%) with S. zooepidemicus, except for AC1-3, AC5,AC8, and AC13. Moreover, genes for 7 of the identified proteins were detected from CY; compared with ST171, 3 of them(AM1, AM8 and AC11) were only found in virulent strains (CY). All of the proteins identified in this study remain not tobe reported in S. zooepidemicus. Some of the proteins serve a vital role in the immune system and reproduction of hostspecies according to available data, while the functions of the rest were seldom researched.