MICROORGANISM OF GENUS Escherichia, HAVING ENHANCED ABILITY TO PRODUCE L-TRYPTOPHAN, AND METHOD OF PRODUCING L-TRYPTOPHAN USING SAME Russian patent published in 2016 - IPC C12N1/21 C12N15/70 C12P13/22

Abstract RU 2593957 C2

FIELD: biotechnology.

SUBSTANCE: invention relates to biotechnology and represents a recombinant microorganism of genus Escherichia, having enhanced ability to produce L-tryptophan, where said recombinant microorganism is modified by deletion, partially or completely, of leader peptide, having a nucleotide sequence SEQ ID NO: 2, in regular expression area having a nucleotide sequence SEQ ID NO: 1, on endogenous tryptophan operon. Invention also relates to a method of producing L-tryptophan using said microorganism.

EFFECT: invention enables to obtain L-tryptophan with high efficiency.

10 cl, 3 dwg, 6 tbl, 11 ex

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RU 2 593 957 C2

Authors

Li Kvang Kho

Park Khie Min

Li Khio Khioung

Khvang Joung Bin

Li Seok Miung

Dates

2016-08-10—Published

2013-01-10—Filed