RU2009145407A - BACTERIA OF THE ENTEROBACTERIACEAE FAMILY-PRODUCER OF L-ARGENINE IN WHICH EXPRESSION OF GENES CODING THE L-ARGININE TRANSPORTER AND THE METHOD FOR PRODUCING L-ARGENINE - Google Patents
BACTERIA OF THE ENTEROBACTERIACEAE FAMILY-PRODUCER OF L-ARGENINE IN WHICH EXPRESSION OF GENES CODING THE L-ARGININE TRANSPORTER AND THE METHOD FOR PRODUCING L-ARGENINE Download PDFInfo
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- RU2009145407A RU2009145407A RU2009145407/10A RU2009145407A RU2009145407A RU 2009145407 A RU2009145407 A RU 2009145407A RU 2009145407/10 A RU2009145407/10 A RU 2009145407/10A RU 2009145407 A RU2009145407 A RU 2009145407A RU 2009145407 A RU2009145407 A RU 2009145407A
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Abstract
1. Бактерия-продуцент L-аргинина, принадлежащая к семейству Enterobacteriaceae, модифицированная таким образом, что экспрессия одного или нескольких генов, кодирующих транспортер L-аргинина, в указанной бактерии ослаблена. ! 2. Бактерия по п.1, отличающаяся тем, что в указанной бактерии ослаблена экспрессия гена artI. ! 3. Бактерия по п.2, отличающаяся тем, что экспрессия гена artI ослаблена за счет инактивации указанного гена artI. ! 4. Бактерия по п.1, отличающаяся тем, что в указанной бактерии ослаблена экспрессия artPIQM-artJ-кластера. ! 5. Бактерия по п.4, отличающаяся тем, что экспрессия artPIQM-artJ-кластера ослаблена путем инактивации указанного artPIQM-artJ-кластера. ! 6. Бактерия по п.1, отличающаяся тем, что указанная бактерия принадлежит к роду Escherichia. ! 7. Бактерия по п.1, отличающаяся тем, что указанная бактерия принадлежит к роду Pantoea. ! 8. Способ получения L-аргинина, включающий: ! - выращивание бактерии по любому из пп.1-7 в питательной среде, вызывающее продукцию и секрецию L-аргинина в культуральную жидкость; и ! - выделение L-аргинина из культуральной жидкости. 1. The bacterium-producer of L-arginine, belonging to the family Enterobacteriaceae, modified so that the expression of one or more genes encoding the transporter of L-arginine in the specified bacteria is weakened. ! 2. The bacterium according to claim 1, characterized in that the expression of the artI gene is weakened in said bacterium. ! 3. The bacterium according to claim 2, characterized in that the expression of the artI gene is weakened due to the inactivation of the specified artI gene. ! 4. The bacterium according to claim 1, characterized in that the expression of the artPIQM-artJ cluster is weakened in said bacterium. ! 5. The bacterium according to claim 4, characterized in that the expression of the artPIQM-artJ cluster is attenuated by inactivation of the specified artPIQM-artJ cluster. ! 6. The bacterium according to claim 1, characterized in that said bacterium belongs to the genus Escherichia. ! 7. The bacterium according to claim 1, characterized in that said bacterium belongs to the genus Pantoea. ! 8. A method for producing L-arginine, comprising:! - growing bacteria according to any one of claims 1 to 7 in a nutrient medium, causing production and secretion of L-arginine into the culture fluid; and! - the allocation of L-arginine from the culture fluid.
Claims (8)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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RU2009145407/10A RU2431674C2 (en) | 2009-12-08 | 2009-12-08 | Escherichia BACTERIA - PRODUCER OF L-ARGININE WHERE ONE OR MORE artPIQM-artJ CLUSTER GENES ARE INACTIVATED, AND METHOD OF PRODUCING L-ARGININE |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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RU2009145407/10A RU2431674C2 (en) | 2009-12-08 | 2009-12-08 | Escherichia BACTERIA - PRODUCER OF L-ARGININE WHERE ONE OR MORE artPIQM-artJ CLUSTER GENES ARE INACTIVATED, AND METHOD OF PRODUCING L-ARGININE |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
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RU2008148283/13A Substitution RU2008148283A (en) | 2008-12-09 | 2008-12-09 | METHOD FOR PRODUCING L-ARGININE USING THE BACTERIA OF THE ENTEROBACTERIACEAE FAMILY IN WHICH THE EXPRESSION OF THE ARTI GENE WAS DECREASED |
Publications (2)
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RU2009145407A true RU2009145407A (en) | 2011-06-20 |
RU2431674C2 RU2431674C2 (en) | 2011-10-20 |
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RU2009145407/10A RU2431674C2 (en) | 2009-12-08 | 2009-12-08 | Escherichia BACTERIA - PRODUCER OF L-ARGININE WHERE ONE OR MORE artPIQM-artJ CLUSTER GENES ARE INACTIVATED, AND METHOD OF PRODUCING L-ARGININE |
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RU (1) | RU2431674C2 (en) |
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