CN116121160A - 过表达pyrB基因的基因工程菌及其生产L-精氨酸的方法 - Google Patents
过表达pyrB基因的基因工程菌及其生产L-精氨酸的方法 Download PDFInfo
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- CN116121160A CN116121160A CN202211353781.3A CN202211353781A CN116121160A CN 116121160 A CN116121160 A CN 116121160A CN 202211353781 A CN202211353781 A CN 202211353781A CN 116121160 A CN116121160 A CN 116121160A
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- arginine
- genetically engineered
- gene
- engineered bacterium
- pyrb
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- C12N1/20—Bacteria; Culture media therefor
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N9/00—Enzymes; Proenzymes; Compositions thereof; Processes for preparing, activating, inhibiting, separating or purifying enzymes
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- C12N9/1018—Carboxy- and carbamoyl transferases (2.1.3)
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
- C12P13/00—Preparation of nitrogen-containing organic compounds
- C12P13/04—Alpha- or beta- amino acids
- C12P13/10—Citrulline; Arginine; Ornithine
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- C—CHEMISTRY; METALLURGY
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- C12Y—ENZYMES
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- C12R—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES C12C - C12Q, RELATING TO MICROORGANISMS
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- C12R2001/01—Bacteria or Actinomycetales ; using bacteria or Actinomycetales
- C12R2001/185—Escherichia
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
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CN202211353781.3A CN116121160A (zh) | 2022-10-28 | 2022-10-28 | 过表达pyrB基因的基因工程菌及其生产L-精氨酸的方法 |
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CN117887652A (zh) * | 2024-03-14 | 2024-04-16 | 天津科技大学 | 一种乳清酸生产菌株及其定向改造方法与应用 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20030124686A1 (en) * | 1998-11-02 | 2003-07-03 | Ajinomoto Co. Inc. | Method for producing L-arginine |
CN102317436A (zh) * | 2008-07-23 | 2012-01-11 | Opx生物工艺学公司 | 用于增加微生物对3-羟基丙酸(3-hp)的耐受性以及增加3-羟基丙酸产量的方法、***和组合物 |
CN110964683A (zh) * | 2019-12-02 | 2020-04-07 | 天津科技大学 | 生产l-精氨酸的基因工程菌及其构建方法与应用 |
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Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20030124686A1 (en) * | 1998-11-02 | 2003-07-03 | Ajinomoto Co. Inc. | Method for producing L-arginine |
CN102317436A (zh) * | 2008-07-23 | 2012-01-11 | Opx生物工艺学公司 | 用于增加微生物对3-羟基丙酸(3-hp)的耐受性以及增加3-羟基丙酸产量的方法、***和组合物 |
CN110964683A (zh) * | 2019-12-02 | 2020-04-07 | 天津科技大学 | 生产l-精氨酸的基因工程菌及其构建方法与应用 |
Non-Patent Citations (2)
Title |
---|
CHARLIER等: "Regulation of carbamoylphosphate synthesis in Escherichia coli: an amazing metabolite at the crossroad of arginine and pyrimidine biosynthesis", AMINO ACIDS, vol. 50, 20 September 2018 (2018-09-20), pages 1647, XP036634506, DOI: 10.1007/s00726-018-2654-z * |
SANDER等: "CRISPRi-Based Downregulation of Transcriptional Feedback Improves Growth and Metabolism of Arginine Overproducing E. coli", ACS SYNTH. BIOL, vol. 8, 20 August 2019 (2019-08-20), pages 1988 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN117887652A (zh) * | 2024-03-14 | 2024-04-16 | 天津科技大学 | 一种乳清酸生产菌株及其定向改造方法与应用 |
CN117887652B (zh) * | 2024-03-14 | 2024-06-11 | 天津科技大学 | 一种乳清酸生产菌株及其定向改造方法与应用 |
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