发明名称 |
Clostridium perfringens vaccine |
摘要 |
The present invention relates to detoxified immunogenic derivatives of Clostridium perfringens beta -toxin or an immunogenic fragment thereof that have as a characteristic that they carry a mutation in the beta -toxin amino acid sequence, not found in the wild-type beta -toxin amino acid sequence. The invention also relates to genes encoding such beta -toxins, as well as to expression systems expressing such beta -toxins. Moreover, the invention relates to bacterial expression systems expressing a native beta -toxin. Finally, the invention relates to vaccines based upon detoxified immunogenic derivatives of Clostridium perfringens beta -toxin, and methods for the preparation of such vaccines. |
申请公布号 |
EP0892054(B1) |
申请公布日期 |
2006.11.29 |
申请号 |
EP19980202032 |
申请日期 |
1998.06.17 |
申请人 |
INTERVET INTERNATIONAL BV |
发明人 |
SERGERS, RUUD PHILIP ANTOON MARIA;WATERFIELD, NICOLAS ROBIN;FRANDSEN, PEER LYNG;WELLS, JEREMY MARK |
分类号 |
C12N15/09;C12N15/31;A61K39/00;A61K39/08;A61K39/295;C07K14/33;C12N1/21;C12N15/00;C12R1/92 |
主分类号 |
C12N15/09 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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