NUCLEIC ACIDS, VECTORS, HOST CELLS AND METHODS FOR PRODUCING FRUCTOSYLTRANSFERASE FROM ASPERGILLUS JAPONICUS Russian patent published in 2025 - IPC C12N9/10 C07K19/00 C12N15/80 C12P19/18 

Abstract RU 2837819 C1

FIELD: biotechnology.

SUBSTANCE: disclosed is a modified polypeptide for producing fructooligosaccharides, in which the polypeptide is an Aspergillus japonicus fructosyltransferase containing the amino acid sequence SEQIDNO:1 fused with a signal peptide selected from a group comprising: Alpha factor S. cerevisiae (FAK), Alpha factor complete S. cerevisiae (FAKS), Alpha factor_T S. cerevisiae (AT), Alpha-amylase Aspergillus niger (AA), glucoamylase Aspergillus awamori (GA), inulinase Kluyveromyces maxianus (IN), invertase S. cerevisiae (IV), killer protein S. cerevisiae (KP), lysozyme Gallus gallus (LZ) and serum albumin Homo sapiens (SA), wherein the signal peptide comprises a portion of four LEKR amino acids. Also disclosed is a nucleic acid coding said polypeptide, an expression vector, a host cell and use of said polypeptide in producing fructooligosaccharides.

EFFECT: invention provides higher yield of Aspergillus japonicus fructosyltransferase.

10 cl, 8 dwg, 13 tbl, 8 ex

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RU 2 837 819 C1

Authors

Beeram, Ravi Chandra

Sinha, Dipanwita

Musuku, Bharath Babu

Are, Chiranjeevi

Kumar, Deepika

Dates

2025-04-07Published

2020-11-27Filed