Patent ID: 11920173
Assignee: CHR. HANSEN HMO GMBH
Field: Biotechnology (Chemistry)
Classification: CPC C  A | IPC A  C

Claim 3:
4. The method of claim 1, wherein the non-naturally-occurring microorganism has been genetically engineered to delete one or more of the genes selected from genes encoding N-acetylmannosamine kinase, N-acetylmannosamine-6-phosphate epimerase, N-acetylneuraminic acid aldolase and sialic acid permease, in that the expression of one or more of these genes is impaired, or in that the nucleotide sequence of the protein coding region of at least one of these genes is altered such that the polypeptide encoded by said altered nucleotide sequence does not possess the enzymatic activity of the enzyme encoded by the non-altered nucleotide sequence.