Novel mutant microorganism producing succinic acid simultaneously using sucrose and glycerol, and method for preparing succinic acid using same

Abstract

The present invention relates to a mutant microorganism producing succinic acid capable of simultaneously using sucrose and glycerol as carbon sources, and more particularly, to a mutant microorganism producing succinic acid, wherein the microorganism uses both sucrose and glycerol in producing succinic acid by weakening a catabolite inhibition mechanism of the glycerol by means of sucrose. When the mutant microorganism producing succinic acid according to the present invention is cultured, succinic acid can be produced with high productivity, while maximizing conventional fermentation yield to a nearly theoretical yield and minimizing by-products.