MUTANT STRAIN CORYNEBACTERIUM GLUTAMICUM, PRODUCING L-GLUTAMINE (OPTIONS), AND A METHOD FOR PRODUCING L-GLUTAMINE Russian patent published in 2018 - IPC C12N1/20 C12P13/14 

FIELD: biotechnology.

SUBSTANCE: proposed group of inventions: mutant strains Corynebacterium glutamicum KCCM11553P, Corynebacterium glutamicum KCCM11554P, producing L-glutamine and a method for producing L-glutamine. Method for producing L-glutamine involves culturing a mutant strain Corynebacterium glutamicum KCCM11553P or Corynebacterium glutamicum KCCM11554P on a nutrient medium, followed by isolation of L-glutamine from a mutant strain or medium.

EFFECT: group of inventions makes it possible to increase the yield of L-glutamine.

5 cl, 2 tbl, 3 ex