发明名称 |
METHOD OF PREPARING AN ATTENUATED STRAIN OF BACTERIUM SALMONELLA |
摘要 |
FIELD: microbiology. SUBSTANCE: method provides preparing strains of bacterium Salmonella containing nonreversible mutations in genes determining the formation of aromatic compound metabolites. Mutations concern the genes aro A, aro C or aro E and they are inserted by transposon mutagenesis or transformation using plasmid DNA involving inactivated gene aro. These strains can be used for vaccine preparing at high effectiveness. EFFECT: improved method of preparing. 5 cl, 1 dwg , 3 tblp
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申请公布号 |
RU2114172(C1) |
申请公布日期 |
1998.06.27 |
申请号 |
SU19884742131 |
申请日期 |
1988.12.22 |
申请人 |
DZE VELKAM FAUNDEJSHN LIMITED |
发明人 |
GORDON DOUGAN;STIVEN NEVIL CHEHTFILD;KARLOS KHORMECHE |
分类号 |
C12N15/09;A61K39/02;A61K39/04;A61K39/09;A61K39/095;A61K39/10;A61K39/102;A61K39/112;C12N1/20;C12N1/21;C12N15/00;C12N15/01;C12N15/03;C12N15/11;C12R1/42;(IPC1-7):C12N1/21 |
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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