Ajinomoto Co., Ltd.

Sergey Vladimirovich Mashko

Mikhail Markovich Gusyatiner

Vera Georgievna Doroshenko

Aleksandra Yurievna Skorokhodova

Alla Valentinovna Belareva

Ekaterina Alekseevna Savrasova

Vitaliy Arkadyevich Livshits

Valery Zavenovich Akhverdian

Mikhail Kharisovich Ziyatdinov

Irina Vladimirovna Biryukova

Maria Viacheslavovna Vitushkina

Zhanna Iosifovna Katashkina

A method for producing an L-amino acid, such as L-phenylalanine and L-threonine, is provided using anbacterium, wherein the L-amino acid productivity of said bacterium is enhanced by enhancing the activity of the protein encoded by the yedA gene. A further method is provided for producing a lower alkyl ester of &#x3b1;-L-aspartyl-L-phenylalanine by producing L-phenylalanine by cultivating anbacterium in a medium, wherein said bacterium has the ability to produce L-phenylalanine, and synthesizing the lower alkyl ester of &#x3b1;-L-aspartyl-L-phenylalanine from aspartic acid, or a derivative thereof, and the produced L-phenylalanine.

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A method for producing an L-amino acid, such as L-phenylalanine or L-threonine, is provided using a bacterium belonging to the genus, wherein the L-amino acid productivity of said bacterium is enhanced by enhancing an activity of the protein encoded by the yedA gene.

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Moscow, Russia

Sergey Vladimirovich Mashko