WO2011149248A2 - 글리세롤로부터 3-하이드록시프로피온산을 고수율로 제조하는 방법 - Google Patents
글리세롤로부터 3-하이드록시프로피온산을 고수율로 제조하는 방법 Download PDFInfo
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- WO2011149248A2 WO2011149248A2 PCT/KR2011/003798 KR2011003798W WO2011149248A2 WO 2011149248 A2 WO2011149248 A2 WO 2011149248A2 KR 2011003798 W KR2011003798 W KR 2011003798W WO 2011149248 A2 WO2011149248 A2 WO 2011149248A2
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- C12R2001/22—Klebsiella
Definitions
- the present invention is characterized in that in a microorganism having the ability to produce coenzyme B12, and having the ability to produce 3-hydroxypropionic acid using glycerol as a carbon source, a mutant microorganism inserted or amplified a propanediol-using protein gene is cultured in a glycerol-containing medium. It relates to a method for producing 3-hydroxypropionic acid.
- 3-hydroxypropionic acid along with lactic acid and succinic acid, has attracted attention as one of the three major biomass-derived platform chemicals, 1,3-propanediol and acrylic acid (although it can be used as a raw material for the production of acrylic acid, acrylamide, malonic acid, and biopolymer (polyhydroxypropionic acid), the development of mass production technology is very important.
- Biological methods include Suthers et al., A glycerol dehydratase gene from Klebsiella pneumoniae and an aldehyde derived from Escherichia coli or Saccharomyces cerevisiae.
- a method for producing 3-hydroxypropionic acid from glycerol using recombinant E. coli overexpressing a dehydrogenase gene (US 6852517) has been reported.
- Rathnasingh et al. Reported a new recombinant E. coli with improved 3-hydroxypropionic acid production from glycerol (Rathnasingh et al., Biotechnol. Bineng . 104: 729-39. 2009).
- the method for producing 3-hydroxypropionic acid from glycerol by using recombinant E. coli has a disadvantage of supplying the culture medium with an expensive adenosylcobalamine (coenzyme B12), which is a coenzyme required for reactivation of glycerol dehydratase enzyme. .
- the present inventors confirmed that high expression of the aldehyde dehydrogenase gene in Klebsiella pneumoniae can produce 3-hydroxypropionic acid with high production rate without adding coenzyme 12.
- the present inventors have made efforts to develop a method for increasing the amount of 3-hydroxypropionic acid produced from glycerol by Krebsiella pneumoniae.
- the propanediol-using protein gene of Lactobacillus reuteri was used as Krebsiela.
- overexpressed in pneumoniae it was confirmed that 3-hydroxypropionic acid can be produced in high yield, and the present invention was completed.
- Another object of the present invention is to provide a mutant microorganism capable of producing high yield of 3-hydroxypropionic acid from glycerol.
- the present invention provides a mutant microorganism having the ability to produce coenzyme B12, inserting or amplifying propanediol-using protein gene in a microorganism having the ability to produce 3-hydroxypropionic acid using glycerol as a carbon source .
- the present invention also provides 3-hydroxypropionic acid suffering from coenzyme B12 production ability, and inserting or amplifying the propanediol-using protein gene in a microorganism having the ability to produce 3-hydroxypropionic acid using glycerol as a carbon source. It provides a method for producing a mutant microorganism having an acid function.
- the present invention also comprises the steps of (a) culturing the mutant microorganisms in a glycerol-containing medium to produce 3-hydroxypropionic acid; And (b) provides a method for producing 3-hydroxypropionic acid, comprising the step of recovering the produced 1,3-propanediol.
- the present invention also relates to glycerol dehydrogenase gene (DhaD), transcriptional activator gene (DhaR), 1,3-propanediol oxidoreductase gene (DhaT) and glycerol dehydra, in Krebsiella pneumoniae.
- DhaD glycerol dehydrogenase gene
- DhaR transcriptional activator gene
- DhaT 1,3-propanediol oxidoreductase gene
- glycerol dehydra in Krebsiella pneumoniae.
- DhaBA2 kinase reactivation factor II gene
- a gene encoding 1,3-propanediol oxidoreductase a gene encoding aldehyde dehydrogenase
- propanediol utilizing protein gene It provides a Krebsciella pneumoniae variant characterized by.
- the present invention also relates to glycerol dehydrogenase gene (DhaD), transcriptional activator gene (DhaR), 1,3-propanediol oxidoreductase gene (DhaT) and glycerol dehydra, in Krebsiella pneumoniae. And a gene encoding 1,3-propanediol oxidoreductase, a gene encoding aldehyde dehydrogenase, and a propanediol utilizing protein gene. It provides a method for producing a Krebssiella pneumoniae variant.
- the present invention also comprises the steps of: (a) culturing the Klebsiella pneumoniae variant in a glycerol containing medium to produce 3-hydroxypropionic acid; And (b) provides a method for producing 3-hydroxypropionic acid, comprising the step of recovering the 3-hydroxypropionic acid produced.
- Figure 2 shows the construction of the recombinant plasmid pVOT.
- Figure 3 shows the manufacturing process of the Krebsela pneumoniae AK mutant strain.
- the present invention relates to a mutant microorganism having a coenzyme B12 generating ability, and to inserting or amplifying a propanediol-using protein gene in a microorganism having the ability to produce 3-hydroxypropionic acid using glycerol as a carbon source and a method for producing the same. will be.
- the propanediol-using protein gene may be characterized in that the propanediol-using protein (PduP) gene of Lactobacillus reuteri , has the ability to produce coenzyme B12, 3-hydroxy using glycerol as a carbon source Microorganisms having the ability to produce hydroxypropionic acid may be characterized as belonging to the genus Klebsiella .
- PduP propanediol-using protein
- the microorganism having the ability to produce coenzyme B12, and having the ability to produce 3-hydroxypropionic acid using glycerol as a carbon source may be characterized in that the microorganisms blocked the glycerol oxidation pathway.
- the present invention comprises the steps of (a) culturing the mutant microorganisms in a glycerol containing medium to produce 3-hydroxypropionic acid; And (b) relates to a method for producing 3-hydroxypropionic acid, comprising the step of recovering the produced 1,3-propanediol.
- the present invention relates to glycerol dehydrogenase gene (DhaD), transcriptional activator gene (DhaR), 1,3-propanediol oxidoreductase gene (DhaT) and glycerol di
- the hydratase reactivation factor II gene (DhaBA2) is deleted, a gene encoding 1,3-propanediol oxidoreductase, a gene encoding aldehyde dehydrogenase, and a propanediol utilizing protein gene are introduced. It relates to Krebssiella pneumoniae variants characterized in that there is and a method for producing the same.
- the propanediol using protein gene may be characterized in that the propanediol using protein (PduP) gene of Lactobacillus reuteri , the Krebssiella pneumoniae variant is Krebssiella pneumoniae It may be characterized as AK-VOTLp (KCTC 11689BP).
- PduP propanediol using protein
- KCTC 11689BP AK-VOTLp
- the present invention comprises the steps of (a) culturing the Krebssiella pneumoniae variant in a glycerol containing medium to produce 3-hydroxypropionic acid; And (b) relates to a method for producing 3-hydroxypropionic acid, comprising the step of recovering the 3-hydroxypropionic acid produced.
- the recovery of 3-hydroxypropionic acid from the culture of the mutant may use a conventional separation technique, for example distillation, electrodialysis, pervaporation, chromatography, solvent extraction, reaction extraction, etc. In order to separate substances of high purity, these may be used in combination.
- "amplification" of a gene means that the gene present on the individual's chromosome or in the plasmid can be overexpressed by additional "introduction". Inserting a gene on a chromosome or transforming a gene into an individual using a recombinant vector.
- the method for inserting the gene on the chromosome of the cell in the present invention can be used a commonly known genetic engineering method, for example retrovirus vector, adenovirus vector, adeno-associated virus vector, herpes simplex virus vector, The method using a poxvirus vector, a lentiviral vector, or a nonviral vector is mentioned.
- a plasmid was prepared for overexpressing propanediol-using protein genes in Krebssiella pneumoniae that are believed to be involved in the production of 3-hydroxypropionic acid from glycerol in the Krebssiella pneumoniae strain.
- PduP propanediol-using protein
- GenBank database No. BAG26139 chromosomal DNA of Lactobacillus reuteri as a template using the following primer sequence, and then cloned into pGEM TEasy vector. After confirmation, plasmid DNA was prepared (FIG. 1).
- DhaT 1,3-propanediol oxidoreductase gene
- the prepared pVOTLp and pVOT were introduced into the Krebssiella pneumoniae MGH78578 strain (named Cu), respectively, in which plasmid DNA was cured.
- Cu Krebssiella pneumoniae MGH78578 strain
- the pVOT plasmid was prepared by the method described in FIG. 2, and recombined with Krebsiella pneumoniae and deposited in Klebsiella pneumoniae AK-VOT (KCTC11421BP) at the Korea Research Institute of Biotechnology.
- DhaB enzyme reactivation factor, DhaT gene, DhaR modulator and DhaD of dha regulators (FIG. 2) by homologous recombination method using the plasmid DNA-treated Krebsela pneumoniae MGH78578 strain (Cu) as a parent strain
- a recombinant strain AK lacking both oxidation and reduction pathways was prepared.
- DNA fragments for preparing plasmid for homologous recombination using the chromosomal DNA of Krebsiella pneumoniae MGH78578 strain as a template were amplified by PCR using the following primer sets.
- the amplified DNA fragment was cloned using pGEM TEasy vector to confirm the nucleotide sequence, and then plasmid DNA was prepared as shown in FIG. 3.
- DNA fragments obtained by treatment of the plasmid with Bam HI- Bgl II were introduced into the Klebsiella pneumoniae Cu strain by electroshock method, and recombinant strains forming colonies were isolated in apramycin-added medium.
- a recombinant strain Krebssiella pneumoniae AK strain (KCTC11419BP) in which the DhaB enzyme reactivation factor, the DhaT gene, the DhaR regulator, and the DhaD gene of the dha regulator was removed and the lacZ promoter and apramycin resistance gene were inserted was obtained. .
- Plasmid pVOTLp gene containing propanediol-using protein gene and plasmid DNA containing DhaB reactivating enzyme gene and 1,3-propanediol oxidoreductase enzyme gene were subjected to electric shock method for the Klebsiella pneumoniae Cu strain and AK Introduced into strain.
- AK-VOTLp which is a recombinant strain prepared in this Example, was deposited at the Genetic Resource Center of the Korea Research Institute of Bioscience and Biotechnology (KCTC 11689BP).
- Example 2 Cultivation of propepdiol-using protein gene high expressed Klebsiella pneumoniae recombinant strain
- the recombinant strain prepared in Example 1 was incubated at 120 rpm for 20 hours at 37 ° C. using 50 ml of medium containing glycerol as the sole carbon source, and then the yield of 3-hydroxypropionic acid was analyzed by chromatography.
- composition of the medium used is as follows:
- a 5L fermenter was used to investigate the extent of propagation of the Klebsiella pneumoniae AK-VOTLp strain, and at the same time, the amount of glycerol remaining in the culture supernatant and the amount of metabolites including 3-hydroxypropionic acid and 1,3-propanediol were measured. Analyzed by chromatography.
- composition of the medium is as follows:
- the effective volume of 5L fermenter was 2L, the final concentration was IPTG 0.5 mM, tetracycline 10 ⁇ g / L, inoculation amount 1%, incubation temperature 37 ° C., stirring speed 200 rpm, air injection rate was 0.5 vvm.
- the total glycerol was consumed at 28 hours of culture, and the yield, conversion rate and productivity of 3-hydroxypropionic acid were 2.2 g / L, 0.11 (mol / mol), and 0.08 g / Lh, respectively. It was.
- 3-hydroxypropionic acid can be produced in high yield from glycerol without adding expensive coenzyme B12 cofactor.
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Abstract
Description
Claims (13)
- 코엔자임 B12 생성능을 가지고, 글리세롤을 탄소원으로하여 3-하이드록시프로피온산을 생산하는 능력을 가지는 미생물에서, 프로판디올 이용 단백질 유전자를 삽입 또는 증폭시킨 변이 미생물.
- 제1항에 있어서, 프로판디올 이용 단백질 유전자는 락토바실러스 루테리 (Lactobacillus reuteri)의 프로판디올 이용 단백질 (PduP) 유전자인 것을 특징으로 하는 변이 미생물.
- 제1항에 있어서, 코엔자임 B12 생성능을 가지고, 글리세롤을 탄소원으로하여 3-하이드록시프로피온산을 생산하는 능력을 가지는 미생물은 크렙시엘라 뉴모니아인 것을 특징으로 하는 변이 미생물.
- 제1항에 있어서, 글리세롤 산화경로가 차단되어 있는 것을 특징으로 하는 변이 미생물.
- 코엔자임 B12 생성능을 가지고, 글리세롤을 탄소원으로하여 3-하이드록시프로피온산을 생산하는 능력을 가지는 미생물에서, 프로판디올 이용 단백질 유전자를 삽입 또는 증폭시키는 것을 특징으로 하는 3-하이드록시프로피온산 고생산능을 가지는 변이미생물의 제조방법.
- 제5항에 있어서, 프로판디올 이용 단백질 유전자는 락토바실러스 루테리 (Lactobacillus reuteri)의 프로판디올 이용 단백질 (PduP) 유전자인 것을 특징으로 하는 3-하이드록시프로피온산 고생산능을 가지는 변이미생물의 제조방법.
- 제5항에 있어서, 코엔자임 B12 생성능을 가지고, 글리세롤을 탄소원으로하여 3-하이드록시프로피온산을 생산하는 능력을 가지는 미생물은 크렙시엘라 뉴모니아인 것을 특징으로 하는 3-하이드록시프로피온산 고생산능을 가지는 변이미생물의 제조방법.
- 다음 단계를 포함하는, 3-하이드록시프로피온산의 제조방법:(a) 제1항 내지 제4항 중 어느 한 항의 변이 미생물을 글리세롤 함유 배지에서 배양하여 3-하이드록시프로피온산을 생성하는 단계; 및(b) 상기 생성된 1,3-프로판디올을 회수하는 단계.
- 크렙시엘라 뉴모니아에서, 글리세롤 디하이드로게나아제 유전자(DhaD), 전사 활성인자 유전자(DhaR), 1,3-프로판디올 옥시도리덕타아제 유전자(DhaT) 및 글리세롤 디하이드라타아제 재활성화인자II 유전자(DhaBA2)가 결실되어 있고, 1,3-프로판디올 옥시도리덕타아제를 코딩하는 유전자, 알데히드 디하이드로게나아제를 코딩하는 유전자 및 프로판디올 이용 단백질 유전자가 도입되어 있는 것을 특징으로 하는 크렙시엘라 뉴모니아 변이체.
- 제9항에 있어서, 프로판디올 이용 단백질 유전자는 락토바실러스 루테리 (Lactobacillus reuteri)의 프로판디올 이용 단백질 (PduP) 유전자인 것을 특징으로 하는 크렙시엘라 뉴모니아 변이체.
- 제9항에 있어서, 크렙시엘라 뉴모니아 AK-VOTLp(KCTC 11689BP)인 것을 특징으로 하는 크렙시엘라 뉴모니아 변이체.
- 크렙시엘라 뉴모니아에서, 글리세롤 디하이드로게나아제 유전자(DhaD), 전사 활성인자 유전자(DhaR), 1,3-프로판디올 옥시도리덕타아제 유전자(DhaT) 및 글리세롤 디하이드라타아제 재활성화인자II 유전자(DhaBA2)를 결실시키고, 1,3-프로판디올 옥시도리덕타아제를 코딩하는 유전자, 알데히드 디하이드로게나아제를 코딩하는 유전자 및 프로판디올 이용 단백질 유전자를 도입시키는 것을 특징으로 하는 크렙시엘라 뉴모니아 변이체의 제조방법.
- 다음 단계를 포함하는, 3-하이드록시프로피온산을 제조하는 방법:(a) 제9항 내지 제11항 중 어느 한 항의 크렙시엘라 뉴모니아 변이체를 글리세롤 함유 배지에서 배양하여 3-하이드록시프로피온산을 생성하는 단계; 및(b) 상기 생성된 3-하이드록시프로피온산을 회수하는 단계.
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CN104611281A (zh) * | 2014-11-26 | 2015-05-13 | 天津申宗科技有限公司 | 一种利用重组氧化葡萄糖酸杆菌合成聚3-羟基丙酸的方法 |
EP3397717B1 (en) | 2015-12-30 | 2021-05-19 | BorgWarner Inc. | Friction material |
KR101876980B1 (ko) | 2016-11-29 | 2018-07-11 | 한국생명공학연구원 | 글리세롤로부터 1,3-프로판디올을 고생산하는 락토바실러스 루테리 ch53 균주 및 이의 용도 |
DE102019113375A1 (de) | 2018-05-31 | 2019-12-05 | Borgwarner Inc. | Reibmaterial |
KR102651370B1 (ko) * | 2021-04-20 | 2024-03-26 | 주식회사 엑티브온 | 유기산 내성 및 글리세롤로부터 1,3-프로판디올로의 전환율이 우수한 락토바실러스 루테리 jh53 균주 및 이의 용도 |
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Also Published As
Publication number | Publication date |
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US8951763B2 (en) | 2015-02-10 |
CN103038335B (zh) | 2015-04-15 |
US20130095541A1 (en) | 2013-04-18 |
CN103038335A (zh) | 2013-04-10 |
WO2011149248A3 (ko) | 2012-03-08 |
KR101220499B1 (ko) | 2013-01-10 |
KR20110129070A (ko) | 2011-12-01 |
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