FIELD: biotechnology.
SUBSTANCE: group of inventions refers to a microorganism of genus Corynebacterium having an increased putrescine-producing ability, and a method for producing putrescine with its use. In said microorganism, protein activity having amino acid sequence presented in SEQ ID NO: 2, is inactivated. Method for producing putrescine using this microorganism is also provided, comprising culturing a microorganism and isolating putrescine from a cultured microorganism or culture medium obtained in the above step.
EFFECT: group of inventions provides putrescine production in high yield.
8 cl, 1 dwg, 3 ex, 4 tbl
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