RU2007133293A - METHOD FOR PRODUCING AROMATIC L-AMINO ACID USING THE Enterobacteriaceae Bacteria in Which Expression of the yidA Gene is Weakened - Google Patents

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

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RU2007133293A
RU2007133293A RU2007133293/13A RU2007133293A RU2007133293A RU 2007133293 A RU2007133293 A RU 2007133293A RU 2007133293/13 A RU2007133293/13 A RU 2007133293/13A RU 2007133293 A RU2007133293 A RU 2007133293A RU 2007133293 A RU2007133293 A RU 2007133293A
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RU
Russia
Prior art keywords
phenylalanine
bacterium
amino acid
lower alkyl
alkyl ester
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RU2007133293/13A
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Russian (ru)
Inventor
Андрей Юрьевич Гулевич (RU)
Андрей Юрьевич Гулевич
Александра Юрьевна Скороходова (RU)
Александра Юрьевна Скороходова
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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Application filed by Закрытое акционерное общество "Научно-исследовательский институт Аджиномото-Генетика" (ЗАО АГРИ) (RU), Закрытое акционерное общество "Научно-исследовательский институт Аджиномото-Генетика" (ЗАО АГРИ) filed Critical Закрытое акционерное общество "Научно-исследовательский институт Аджиномото-Генетика" (ЗАО АГРИ) (RU)
Priority to RU2007133293/13A priority Critical patent/RU2007133293A/en
Publication of RU2007133293A publication Critical patent/RU2007133293A/en

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Claims (9)

1. Бактерия-продуцент ароматической L-аминокислоты, принадлежащая к семейству Enterobacteriaceae, модифицированная таким образом, что экспрессия гена yidA в указанной бактерии ослаблена.1. The bacterium-producer of an aromatic L-amino acid belonging to the Enterobacteriaceae family, modified so that the expression of the yidA gene in the specified bacteria is weakened. 2. Бактерия по п.1, отличающаяся тем, что экспрессия указанного гена yidA ослаблена за счет инактивации указанного гена yidA.2. The bacterium according to claim 1, characterized in that the expression of the specified yidA gene is weakened due to the inactivation of the specified yidA 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 бактерия принадлежит к роду Pantoea.4. The bacterium according to claim 1, characterized in that said bacterium belongs to the genus Pantoea. 5. Бактерия по любому из пп.1 - 4, отличающаяся тем, что указанная ароматическая L-аминокислота выбрана из группы, состоящей из L-фенилаланина, L-тирозина и L-триптофана.5. The bacterium according to any one of claims 1 to 4, characterized in that said aromatic L-amino acid is selected from the group consisting of L-phenylalanine, L-tyrosine and L-tryptophan. 6. Способ получения ароматической L-аминокислоты, включающий:6. A method of obtaining an aromatic L-amino acid, including: выращивание бактерии по любому из пп.1 - 5 в питательной среде; иgrowing bacteria according to any one of claims 1 to 5 in a nutrient medium; and выделение указанной ароматической L-аминокислоты из культуральной жидкости.the allocation of the specified aromatic L-amino acids from the culture fluid. 7. Способ по п.6, отличающийся тем, что указанная ароматическая L-аминокислота выбрана из группы, состоящей из L-фенилаланина, L-тирозина и L-триптофана.7. The method according to claim 6, characterized in that said aromatic L-amino acid is selected from the group consisting of L-phenylalanine, L-tyrosine and L-tryptophan. 8. Способ получения сложного эфира низших алкилов α-L-аспартил-L-фенилаланина, включающий:8. A method for producing an ester of lower alkyls of α-L-aspartyl-L-phenylalanine, comprising: выращивание бактерии по любому из пп.1 - 5 в питательной среде с целью образования и накопления L-фенилаланина, при этом указанная бактерия обладает способностью к продукции L-фенилаланина;growing bacteria according to any one of claims 1 to 5 in a nutrient medium for the formation and accumulation of L-phenylalanine, while this bacterium has the ability to produce L-phenylalanine; синтез сложного эфира низшего алкила α-L-аспартил-L-фенилаланина из аспарагиновой кислоты или ее производных и полученного L-фенилаланина.synthesis of lower alkyl ester of α-L-aspartyl-L-phenylalanine from aspartic acid or its derivatives and the obtained L-phenylalanine. 9. Способ по п.8, дополнительно включающий этерификацию L-фенилаланина с образованием сложного эфира низшего алкила L-фенилаланина, конденсирование сложного эфира низшего алкила L-фенилаланина с производным аспарагиновой кислоты, при этом указанным производным является N-ацилангидрид L-аспарагиновой кислоты, выделение сложного эфира низшего алкила N-ацил-α-L-аспартил-L-фенилаланина из реакционной смеси и гидрогенизирование сложного эфира низшего алкила N-ацил-α-L-аспартил-L-фенилаланина с образованием сложного эфира низшего алкила α-L-аспартил-L-фенилаланина. 9. The method of claim 8, further comprising the esterification of L-phenylalanine to form a lower alkyl ester of L-phenylalanine, condensing the lower alkyl ester of L-phenylalanine with an aspartic acid derivative, said derivative being L-aspartic acid N-acylhydride, recovering the lower alkyl ester of N-acyl-α-L-aspartyl-L-phenylalanine from the reaction mixture and hydrogenating the lower alkyl ester of N-acyl-α-L-aspartyl-L-phenylalanine to form the lower alkyl ester α-L- aspart il-L-phenylalanine.
RU2007133293/13A 2007-09-05 2007-09-05 METHOD FOR PRODUCING AROMATIC L-AMINO ACID USING THE Enterobacteriaceae Bacteria in Which Expression of the yidA Gene is Weakened RU2007133293A (en)

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RU2007133293/13A RU2007133293A (en) 2007-09-05 2007-09-05 METHOD FOR PRODUCING AROMATIC L-AMINO ACID USING THE Enterobacteriaceae Bacteria in Which Expression of the yidA Gene is Weakened

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RU2007133293/13A RU2007133293A (en) 2007-09-05 2007-09-05 METHOD FOR PRODUCING AROMATIC L-AMINO ACID USING THE Enterobacteriaceae Bacteria in Which Expression of the yidA Gene is Weakened

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10378032B2 (en) 2015-05-14 2019-08-13 Cj Cheiljedang Corporation Microorganism of the genus Escherichia producing L-tryptophan and a method for producing L-tryptophan using the same

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10378032B2 (en) 2015-05-14 2019-08-13 Cj Cheiljedang Corporation Microorganism of the genus Escherichia producing L-tryptophan and a method for producing L-tryptophan using the same
RU2711981C2 (en) * 2015-05-14 2020-01-23 СиДжей ЧеилДжеданг Корпорейшн Escherichia genus microorganism having l-tryptophan productivity, and method for preparing l-tryptophan by using same

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