Method for changing the tropism of cell, tissue or host of a microorganism, recombinant microorganisms thus obtained and their use in medicine and veterinary medicine.

摘要

The invention relates to a microorganism having a cell, tissue or TROPISM HOST MODIFIED whereby at least one gene of microorganism, preferably an essential gene, GETS UNDER THE CONTROL OF A SEQUENCE Nucleotide SPECIFIED FOR CELL, TISSUE OR HOST. Nucleotide SEQUENCE SPECIFIED MAY BE A PROMOTER SEQUENCE AND / OR A SEQUENCE improver, which may be inducible. The invention is directed ALSO the use of such recombinant microorganism FOR THE SUPPLY OF PROTECTION AGAINST NATURAL FOR MICROORGANISM.