Ajinomoto Co., Ltd.

Mayu Iyo

Shinichi Sugimoto

Ryo Takeshita

An L-amino acid is produced by culturing an L-amino acid-producing bacterium which belongs to the Enterobacteriaceae family and which has been modified so that the activity of an iron transporter is increased by enhancing expression of one or more genes of the following genes: tonB gene, fepA gene, and fecA.

L-amino acid producing bacterium and method of producing L-amino acid

L-amino acid is produced by culturing a bacterium belonging to the Enterobacteriaceae family which has L-amino acid-producing ability and is modified so that expression of the nhaA gene, nhaB gene, nhaR gene, chaA gene, mdfA gene, or combinations thereof is enhanced.

L-amino acid producing bacterium which has enhanced expression of at least one of the nhaA gene, the nhaB gene, the nhaR gene, the chaA gene, the mdfA gene and a method of producing L-amino acid

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Kawasaki, Japan

Mayu Iyo