Ajinomoto Co., Ltd.

Vitaliy Arkadievich Livshits

Kazuo Nakanishi

Natalia Pavlovna Zakataeva

Vladimir Veniaminovich Aleshin

Irina Lyvovna Tokhmakova

Petr Vladimirovich Troshin

Ekaterina Sergeevna Preobrazhenskaya

Lyudmila Anatolievna Kazarinova

Irina Mikhailovna Starovoytova

Kazuo c/o Ajinomoto Co Inc Nakanishi

A bacterium belonging to the genuswhich has an ability to produce an L-amino acid, wherein the ability to produce the L-amino acid is increased by increasing expression of the yfiK gene is described. A method for producing the L-amino acid using the bacterium is also described.

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A bacterium belonging to the genuswhich has an ability to produce an L-amino acid, wherein the ability to produce the L-amino acid is increased by increasing expression of the yggA gene is described. A method for producing the L-amino acid using the bacterium is also described.

A bacterium belonging to the genuswhich has an ability to produce an L-amino acid, wherein the ability to produce the L-amino acid is increased by increasing expression of an L-amino acid excretion protein is described. A method for producing the L-amino acid using the bacterium is also described.

A bacterium belonging to the genusand having an ability to produce an L-amino acid, wherein the ability to produce the L-amino acid is increased by increasing an expression amount of an L-amino acid excretion protein, and a method for producing the L-amino acid using the bacterium.

Eschericha bacteria overexpressing the yahn gene for feedback-insensitive amino acid production

Uridine-5&prime;-monophosphate is produced by cultivating in a nutrient medium an uridine-5&prime;-monophosphate producing mutant of coryneform bacterium and which is characterized by at least a resistance to growth inhibition by pyrimidine analogue or a deficiency in uridine degrading activity or combination of said property by protoplast fusion. This method has the advantage of decreased production of uracil. Thus, uridine-5&prime;-monophosphate can be produced in much greater yields, compared with known methods.

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Moscow, Russia

Vitaliy Arkadievich Livshits