Bacteria attenuated by a non-reverting mutation in each of...

Chemistry: molecular biology and microbiology – Micro-organism – tissue cell culture or enzyme using process...

Reexamination Certificate

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C435S069700, C435S252300, C435S252800, C424S093200, C424S184100

Reexamination Certificate

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06902906

ABSTRACT:
The invention provides a bacterium attenuated by a non-reverting mutation in each of the aroC gene, the ompF gene and the ompC gene. The bacterium is useful as a vaccine. The bacterium may, for example, be an attenuated strain ofE. coliuseful in vaccination against diarrhoea.

REFERENCES:
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