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RECOMBINANT OPERA, METHOD FOR PRODUCING A HOST CELL, COMPOSITION OF DIARRHEA VACCINE, AND USE OF AN OPERA
RECOMBINANT OPERA, METHOD FOR PRODUCING A HOST CELL, COMPOSITION OF DIARRHEA VACCINE, AND USE OF AN OPERA
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机译:重组手术室,生产宿主细胞的方法,腹泻疫苗的组成以及手术室的使用
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摘要
A recombinant operon comprising a gene assembly wherein there are at least two structural genes coding for at least two major subunits of colonization factor antigens (CFs) associated with enterotoxigenic Escherichia coli bacteria (ETEC), is disclosed. Further disclosed is a host cell, such as an Escherichia coli cell, genetically engineered to comprise such a recombinant operon, wherein said operon is located on an episomal element, such as a plasmid, or integrated in the chromosome of said host cell. Also disclosed is a method of producing a host cell capable of expressing from said operon at least two major subunits of colonization factor antigens (CFs) associated with enterotoxigenic Escherichia coli bacteria (ETEC). In addition, a vaccine composition against diarrhea comprising at least one such host cell together with pharmaceutically acceptable excipients, buffers, and/or diluents is disclosed. Finally is disclosed the use of said operon in the production of such a vaccine.
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