CJ Cheiljedang

A food steaming apparatus, according to the present invention, comprises multi-stage conveying parts provided to continuously convey food in the forward and backward directions and spaced apart from each other in the vertical direction; and a steaming part comprising a steaming chamber forming a steaming space through which the multi-stage conveying parts pass, so as to steam the food conveyed by the multi-stage conveying parts, and a plurality of conveying covers provided to respectively cover the multi-stage conveying parts at the top of the multi-stage conveying parts passing through the inside of the steaming space so as to divide the steaming space into a plurality of steaming division spaces that are a plurality of spaces.

The present disclosure relates to a type II citrate synthase variant, a Corynebacterium glutamicum strain comprising the type II citrate synthase variant, and a method for producing an aspartate-derived L-amino acid using the strain.

The present disclosure relates to a modified aspartate kinase and a method for producing amino acids using the same.

The present disclosure relates to a microorganism comprising a foreign fructokinase and non-PTS sugar transporter, and a method for producing an L-amino acid using the same.

The present disclosure relates to an L-arginine-producing microorganism in which the activity of a regulator of nitrate reductase operon expression is attenuated and the activity of glutamine synthetase is enhanced, and to a method for producing L-arginine using same, wherein the L-arginine-producing microorganism, in which the activity of the regulator of nitrate reductase operon expression is attenuated and the activity of glutamine synthetase is enhanced, has been confirmed to exhibit increased L-arginine production capability compared to a parent strain, and thus can be widely used for L-arginine production.

The present disclosure relates to a microorganism of the genus Corynebacterium in which the activity of fumarate hydratase is enhanced, and a method for producing L-amino acids using same. The microorganism of the genus Corynebacterium with enhanced fumarate hydratase exhibits increased production capability of L-amino acids such as L-arginine, L-citrulline, L-ornithine, O-acetylhomoserine, L-homoserine, and L-histidine, compared to a parent strain in which the fumarate hydratase is not enhanced, and the microorganism with enhanced fumarate hydratase can be widely used for the production of L-amino acids.

The present disclosure relates to a microorganism of the genus Corynebacterium comprising a protein variant, a polynucleotide encoding the protein variant; or at least one selected from the group consisting of the protein variant and the polynucleotide; and a method for producing an L-amino acid using the microorganism.

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