RU2006112625A - METHOD FOR PRODUCING L-AMINO ACID USING THE Enterobacteriaceae Bacteria in Which the Expression of the fhuA Gene Is Weakened - Google Patents

METHOD FOR PRODUCING L-AMINO ACID USING THE Enterobacteriaceae Bacteria in Which the Expression of the fhuA Gene Is Weakened Download PDF

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RU2006112625A
RU2006112625A RU2006112625/13A RU2006112625A RU2006112625A RU 2006112625 A RU2006112625 A RU 2006112625A RU 2006112625/13 A RU2006112625/13 A RU 2006112625/13A RU 2006112625 A RU2006112625 A RU 2006112625A RU 2006112625 A RU2006112625 A RU 2006112625A
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Russia
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amino acid
aromatic
bacterium
producing
group
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RU2006112625/13A
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Russian (ru)
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RU2333955C2 (en
Inventor
Константин В чеславович Рыбак (RU)
Константин Вячеславович Рыбак
Екатерина Александровна Сливинска (RU)
Екатерина Александровна Сливинская
Александра Юрьевна Скороходова (RU)
Александра Юрьевна Скороходова
Эльвира Борисовна Ворошилова (RU)
Эльвира Борисовна Ворошилова
тинер Михаил Маркович Гус (RU)
Михаил Маркович Гусятинер
Original Assignee
Закрытое акционерное общество "Научно-исследовательский институт Аджиномото-Генетика" (ЗАО АГРИ) (RU)
Закрытое акционерное общество "Научно-исследовательский институт Аджиномото-Генетика" (ЗАО АГРИ)
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Priority to RU2006112625/13A priority Critical patent/RU2333955C2/en
Priority to PCT/JP2007/058903 priority patent/WO2007119891A1/en
Publication of RU2006112625A publication Critical patent/RU2006112625A/en
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Publication of RU2333955C2 publication Critical patent/RU2333955C2/en

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Claims (11)

1. Бактерия-продуцент L-аминокислоты, принадлежащая к семейству Enterobacteriaceae, модифицированная таким образом, что в указанной бактерии экспрессия гена fhuA ослаблена.1. L-amino acid producing bacterium belonging to the Enterobacteriaceae family, modified so that the expression of the fhuA gene in this bacterium is weakened. 2. Бактерия по п.1, отличающаяся тем, что указанная экспрессия гена ослаблена путем инактивации указанного гена2. The bacterium according to claim 1, characterized in that said gene expression is attenuated by inactivation of said gene 3. Бактерия по п.1, отличающаяся тем, что указанная бактерия принадлежит к роду Escherichia.3. The bacterium according to claim 1, characterized in that said bacterium belongs to the genus Escherichia. 4. Бактерия по п.1, отличающаяся тем, что указанная бктерия принадлежит к роду Pantoea.4. The bacterium according to claim 1, characterized in that said bacterium belongs to the genus Pantoea. 5. Бактерия-продуцент L-аминокислоты по любому из пп.1-4, отличающаяся тем, что указанная L-аминокислота выбрана из группы, состоящей из ароматических L-аминокислот и неароматических L-аминокислот.5. A bacterium producing L-amino acids according to any one of claims 1 to 4, characterized in that said L-amino acid is selected from the group consisting of aromatic L-amino acids and non-aromatic L-amino acids. 6. Бактерия-продуцент L-аминокислоты по п.5, отличающаяся тем, что указанная ароматическая L-аминокислота выбрана из группы, состоящей из L-фенилаланина, L-тирозина и L-триптофана.6. The L-amino acid producing bacterium according to claim 5, characterized in that said aromatic L-amino acid is selected from the group consisting of L-phenylalanine, L-tyrosine and L-tryptophan. 7. Бактерия-продуцент L-аминокислоты по п.5, отличающаяся тем, что указанная неароматическая L-аминокислота выбрана из группы, состоящей из L-треонина, L-лизина, L-цистеина, L-метионина, L-лейцина, L-изолейцина, L-валина, L-гистидина, L-глицина, L-серина, L-аланина, L-аспарагина, L-аспарагиновой кислоты, L-глутамина, L-глутаминовой кислоты, L-пролина и L-аргинина.7. The L-amino acid producing bacterium according to claim 5, characterized in that said non-aromatic L-amino acid is selected from the group consisting of L-threonine, L-lysine, L-cysteine, L-methionine, L-leucine, L- isoleucine, L-valine, L-histidine, L-glycine, L-serine, L-alanine, L-asparagine, L-aspartic acid, L-glutamine, L-glutamic acid, L-proline and L-arginine. 8. Способ получения L-аминокислоты, включающий выращивание бактерии по любому из пп.1-7 в питательной среде, и выделение указанной L-аминокислоты из культуральной жидкости,8. A method for producing an L-amino acid, comprising growing a bacterium according to any one of claims 1 to 7 in a nutrient medium, and isolating said L-amino acid from the culture fluid, 9. Способ по п.8, отличающийся тем, что указанная L-аминокислота выбрана из группы, состоящей из ароматических L-аминокислот и неароматических L-аминокислот.9. The method of claim 8, wherein said L-amino acid is selected from the group consisting of aromatic L-amino acids and non-aromatic L-amino acids. 10. Способ по п.9, отличающийся тем, что указанная ароматическая L-аминокислота выбрана из группы, состоящей из L-фенилаланина, L-тирозина и L-триптофана.10. The method according to claim 9, characterized in that said aromatic L-amino acid is selected from the group consisting of L-phenylalanine, L-tyrosine and L-tryptophan. 11. Способ по п.9, отличающийся тем, что указанная неароматическая L-аминокислота выбрана из группы, состоящей из L-треонина, L-лизина, L-цистеина, L-метионина, L-лейцина, L-изолейцина, L-валина, L-гистидина, L-глицина, L-серина, L-аланина, L-аспарагина, L-аспарагиновой кислоты, L-глутамина, L-глутаминовой кислоты, L-пролина и L-аргинина.11. The method according to claim 9, characterized in that said non-aromatic L-amino acid is selected from the group consisting of L-threonine, L-lysine, L-cysteine, L-methionine, L-leucine, L-isoleucine, L-valine , L-histidine, L-glycine, L-serine, L-alanine, L-asparagine, L-aspartic acid, L-glutamine, L-glutamic acid, L-proline and L-arginine.
RU2006112625/13A 2006-04-18 2006-04-18 METHOD FOR OBTAINING L-THREONINE USING BACTERIUM BELONGING TO GENUS Escherichia, IN WHICH GENE fhuA IS INACTIVATED RU2333955C2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
RU2006112625/13A RU2333955C2 (en) 2006-04-18 2006-04-18 METHOD FOR OBTAINING L-THREONINE USING BACTERIUM BELONGING TO GENUS Escherichia, IN WHICH GENE fhuA IS INACTIVATED
PCT/JP2007/058903 WO2007119891A1 (en) 2006-04-18 2007-04-18 A METHOD FOR PRODUCING AN L-AMINO ACID USING A BACTERIUM OF THE ENTEROBACTERIACEAE FAMILY WITH ATTENUATED EXPRESSION OF THE fhuA GENE

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RU2006112625/13A RU2333955C2 (en) 2006-04-18 2006-04-18 METHOD FOR OBTAINING L-THREONINE USING BACTERIUM BELONGING TO GENUS Escherichia, IN WHICH GENE fhuA IS INACTIVATED

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