WO2023219188A1 - 아세토젠 균주의 생장 및 대사 속도 증대를 위한 배양 배지 조성물 및 이를 이용한 아세토젠 균주의 배양방법 - Google Patents
아세토젠 균주의 생장 및 대사 속도 증대를 위한 배양 배지 조성물 및 이를 이용한 아세토젠 균주의 배양방법 Download PDFInfo
- Publication number
- WO2023219188A1 WO2023219188A1 PCT/KR2022/006839 KR2022006839W WO2023219188A1 WO 2023219188 A1 WO2023219188 A1 WO 2023219188A1 KR 2022006839 W KR2022006839 W KR 2022006839W WO 2023219188 A1 WO2023219188 A1 WO 2023219188A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- acetogen
- strain
- culture medium
- medium composition
- growth
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Images
Classifications
-
- 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
- C12N1/00—Microorganisms; Compositions thereof; Processes of propagating, maintaining or preserving microorganisms or compositions thereof; Processes of preparing or isolating a composition containing a microorganism; Culture media therefor
- C12N1/20—Bacteria; Culture media therefor
- C12N1/205—Bacterial isolates
-
- 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
- C12N1/00—Microorganisms; Compositions thereof; Processes of propagating, maintaining or preserving microorganisms or compositions thereof; Processes of preparing or isolating a composition containing a microorganism; Culture media therefor
- C12N1/20—Bacteria; Culture media therefor
-
- 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
- C12N1/00—Microorganisms; Compositions thereof; Processes of propagating, maintaining or preserving microorganisms or compositions thereof; Processes of preparing or isolating a composition containing a microorganism; Culture media therefor
- C12N1/32—Processes using, or culture media containing, lower alkanols, i.e. C1 to C6
-
- 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
- C12N1/00—Microorganisms; Compositions thereof; Processes of propagating, maintaining or preserving microorganisms or compositions thereof; Processes of preparing or isolating a composition containing a microorganism; Culture media therefor
- C12N1/38—Chemical stimulation of growth or activity by addition of chemical compounds which are not essential growth factors; Stimulation of growth by removal of a chemical compound
-
- 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
- C12P7/00—Preparation of oxygen-containing organic compounds
- C12P7/62—Carboxylic acid esters
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12R—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES C12C - C12Q, RELATING TO MICROORGANISMS
- C12R2001/00—Microorganisms ; Processes using microorganisms
- C12R2001/01—Bacteria or Actinomycetales ; using bacteria or Actinomycetales
Definitions
- the present invention relates to a culture medium composition for increasing the growth and metabolic rate of acetogen strains and a method for cultivating acetogen strains using the same, and more specifically, to the solubility of acetogens for the production of intermediate products of the Wood-Jungdahl pathway. It relates to a culture medium composition that allows the growth and metabolic rate of acetogen to increase by adding C1 compounds such as methanol, which is a substrate, and a method of cultivating acetogen strains using the same.
- Syngas a representative alternative energy source, can be produced through the process of reforming natural gas or gasifying solid raw materials such as coal, organic waste, and biomass.
- This synthesis gas has the following advantages as an alternative energy source.
- the main components are hydrogen and carbon, it can be converted into various high value-added products such as acetic acid, butyric acid, ethanol, and butanol, making it highly usable and economical.
- acetogen is characterized by fixing C1 gases such as carbon monoxide and carbon dioxide into acetyl-CoA through the Wood-Ljungdhal metabolic cycle and converting it into organic acids such as acetic acid to obtain energy necessary for cell growth power. .
- Patent Document 1 Republic of Korea Patent Publication No. 10-2017-0076822
- the technical problem to be achieved by the present invention is to solve the problems of the prior art described above.
- By improving the low gas substrate consumption efficiency of acetogen strains it is possible to increase the efficiency of the overall bioconversion process by increasing the growth and metabolic rate of the strain.
- an embodiment of the present invention provides a culture medium composition for increasing the growth and metabolic rate of acetogen strains.
- the culture medium composition for increasing the growth and metabolic rate of the acetogen strain may be characterized by containing a C1 compound.
- the C1 compound may be characterized in that it contains at least one selected from the group consisting of methanol, formic acid, and formaldehyde.
- the C1 compound may be methanol.
- the methanol may be contained at a concentration of more than 0 and less than or equal to 1.5M compared to the entire medium composition.
- the acetogen strain may be characterized as including an acetogen strain capable of magnetizing methanol.
- the acetogen strains include Eubacterium limosum, Clostridium autoethanogenum , Clostridium ljungdahlii , Clostridium carboxidivorans, and Clostridium carboxidivorans . Clostridium ragsdalei, Sporomusa ovata , Acetobacterium woodii , Acetobacterium dehalogenans , and Moorella thermoacetica . It may be characterized by comprising one or more selected from the group containing.
- the increase in metabolic rate may be achieved through an increase in the gas substrate consumption rate of the acetogen strain.
- the gas substrate may be characterized as containing any one or more of H 2 gas, CO gas, and CO 2 gas.
- another embodiment of the present invention provides a culture method for increasing the growth and metabolic rate of acetogen strains.
- the culture method for increasing the growth and metabolic rate of the acetogen strain includes a medium injection step of injecting an acetogen strain culture medium composition containing a C1 compound into the bioreactor; A strain inoculation step of inoculating the culture medium composition with an acetogen strain; and a bioreactor driving step of cultivating the acetogen strain by driving the bioreactor.
- the C1 compound may be methanol.
- the gas substrate consumption rate of the acetogen strain is increased, thereby increasing the growth of the acetogen strain. And it has the effect of providing a culture medium composition for increasing the growth and metabolic rate of acetogen strains that can improve the efficiency of the bioconversion process by increasing the overall metabolic rate.
- Figure 1 is a diagram comparing the mta operon of Eubacterium rimosum strains and Acetobacterium woody.
- Figure 2 is a diagram illustrating the Ud-Jjungdahl metabolic cycle of the Eubacterium limosum strain and the estimated path through which the Eubacterium limosum strain uses methanol in the metabolic circuit.
- Figure 3 is a table showing metabolic changes in Eubacterium rimosum strains according to Comparative Examples 1 and 2 and Example 1 of the present invention by measuring protein expression.
- Figure 4 is a graph showing the growth rate, substrate (CO, H 2 ) consumption rate and product concentration of Eubacterium limosum strains according to Comparative Examples 1 and 2 and Examples 2 and 3 of the present invention measured over time. .
- Figure 5 shows the growth rate, substrate (CO, H 2 , CO 2 ) consumption rate, methanol concentration, and product concentration of Eubacterium limosum strains according to Comparative Example 3 and Examples 4 and 5 of the present invention measured over time. This is the graph shown.
- a culture medium composition for increasing the growth and metabolic rate of acetogen strains according to an embodiment of the present invention is described.
- the culture medium composition for increasing the growth and metabolic rate of the acetogen strain may be characterized by containing a C1 compound.
- the C1 compound may be characterized in that it contains at least one selected from the group consisting of methanol, formic acid, and formaldehyde.
- the synthesis gas bioconversion process using acetogen is directly affected by the growth rate and gas consumption rate of microorganisms, so the problem is that it has a relatively low reaction rate and production efficiency compared to the existing chemical conversion process.
- synthetic gas was used as a raw material, there was a problem that the growth and metabolism rates of microorganisms were slower due to the low solubility of the synthetic gas components.
- the inventors of the present invention added to the culture medium a C1 soluble compound capable of converting acetogen into an intermediate product of the Ud-Jungdahl metabolic cycle in which acetogen fixes gaseous substrates such as carbon monoxide and carbon dioxide into acetyl-CoA, thereby promoting metabolism.
- a culture medium composition that makes it possible to increase the overall metabolism by increasing the concentration of intermediate products.
- the C1 soluble compound may be methanol.
- the methanol is suitable as an additive for increasing strain growth and metabolism in terms of cost and the fact that it does not have a negative effect on strain growth when added to the strain culture medium.
- the acetogen strain may be characterized as including an acetogen strain capable of magnetizing the methanol.
- some acetogens can metabolize methanol by methanol hydrocarbonase or methyltransferase, and some use a metal transfer system to utilize methanol.
- Such acetogen strains capable of magnetizing methanol include, for example, Eubacterium limosum , Clostridium autoethanogenum , Clostridium ljungdahlii , and Clostridium carboxydivo. Lance ( Clostridium carboxidivorans ), Clostridium ragsdalei ( Clostridium ragsdalei ), Sporomusa ovata ( Sporomusa ovata ), Acetobacterium woodii ( Acetobacterium woodii ), Acetobacterium dehalogenans ( Acetobacterium dehalogenans ), Murella thermo There is Acetica ( Moorella thermoacetica ).
- Eubacterium limosum KIST612 is characterized by having an operon ( mta operon) encoding a methyltransferase similar to that of Acetobacterium woodii , a closely related acetogen. do.
- Figure 1 is a diagram comparing the mta operon of Eubacterium rimosum strains and Acetobacterium woody.
- Figure 2 is a diagram illustrating the Ud-Jjungdahl metabolic cycle of the Eubacterium limosum strain and the estimated path through which the Eubacterium limosum strain uses methanol in the metabolic circuit.
- the Eubacterium limosum strain also has a methyltransferase capable of converting methanol into methyl-THF.
- Eubacterium Limosum can enhance the autotrophic metabolism of the strain by converting methanol into methyl-THF, an intermediate metabolite of the Ud-Jjungdahl metabolic cycle, using the methyltransferase. You can confirm that it is.
- the gas substrate may be characterized as including any one or more of H 2 gas, CO gas, and CO 2 gas.
- the methanol may be contained at a concentration of more than 0 and 1.5M or less compared to the entire medium composition.
- concentration of methanol exceeds 1.5M, growth inhibition occurs due to the addition of a high concentration of organic solvent, which is not preferable.
- the methanol is included in a concentration of more than 0 and less than or equal to 1.5M compared to the total medium composition.
- the gas substrate consumption rate of the acetogenic strain is increased.
- This has the effect of providing a culture medium composition for increasing the growth and metabolic rate of acetogen strains, which can improve the efficiency of the bioconversion process by increasing the overall growth and metabolic rate of the acetogen strain.
- the method of cultivating the acetogen strain includes a medium injection step of injecting an acetogen strain culture medium composition containing a C1 compound into the bioreactor; A strain inoculation step of inoculating the culture medium composition with an acetogen strain; and a bioreactor driving step of cultivating the acetogen strain by driving the bioreactor.
- the C1 compound may be methanol.
- the culture method may be characterized in that the cell concentration in a steady state (dilution rate 0.018/h) is maintained at 8.7 g/L in the presence of CO and CO 2 gas substrates without the addition of methanol.
- the cell concentration at steady state (dilution rate 0.018/h) is maintained at 17.4 g/L in the presence of CO and CO 2 gas substrates, and the cell conversion yield is 0.008.
- g DCW/mmol MeOH g DCW/mmol MeOH.
- methanol may be included in the culture medium composition at a concentration of 0 to 1.5M in the medium injection step, and most preferably, it may be included at a concentration of 1.1M. .
- the acetogen strain culture medium composition containing methanol is injected into the reactor in the medium injection step, and then the strain is inoculated in the strain inoculation step, and the bioreactor operation step It can be operated by removing part of the culture medium in the reactor at regular intervals and then replenishing the same volume of new culture medium containing methanol.
- the concentration in the culture solution must be adjusted so that 27.16 mmol of methanol can be introduced.
- the culture solution containing the methanol is continuously supplied to the reactor in the bioreactor operation step, and the fermentation solution in the reactor is removed at the same flow rate.
- the acetogen strain culture medium composition containing methanol in a high concentration of 1M or more is slowly supplied at a very slow flow rate in the bioreactor operation step while minimizing water level changes in the reactor. It can be driven.
- an acetogen strain culture method that can improve acetogen culture efficiency and product yield efficiency using an acetogen strain culture medium composition containing a C1 compound. It has the effect of providing.
- Example 1 Culture of Eubacterium rimosum KIST612 strain by adding only methanol without a separate gas substrate
- CBBM carbonate buffered medium
- CBBM Vitamin solution (Final) Trace element solution
- Components Conc. (g/L) Components Conc. (mg/L) Components Conc. (g/L) NaCl 0.9 Biotin 2.0 Nitrilotriacetic acid 1.5 MgSO 4 7H 2 O 0.32 Folic acid 2.0 FeSO 4 7H 2 O 0.1 CaCl 2 2H 2 O 0.2 Pyridoxine HCl 10.0 MnCl 2 4H 2 O 0.1 NH 4 Cl 1.0 Thiamine HCl 5.0 CoCl 2 6H 2 O 0.17 Yeast extract 2.0 Riboflavin 5.0 ZnCl 2 0.1 Vitamin solution 10mL Nicotinic acid 5.0 CaCl 2 6H 2 O 0.1 Trace element sol.
- Example 2 Eubacterium rimosum KIST612 strain culture by adding MeOH under CO/CO 2 conditions
- the Eubacterium limosum KIST612 strain was cultured in the same carbonate buffered medium (CBBM) as Example 1 containing 50mM methanol. At this time, CO and CO 2 were added at a ratio of 8:2.
- CBBM carbonate buffered medium
- Example 3 Culture of Eubacterium rimosum KIST612 strain by adding MeOH under H 2 /CO 2 conditions
- Eubacterium limosum KIST612 strain was cultured in the same carbonate buffered medium (CBBM) as Example 1 containing 50 mM methanol using H 2 /CO 2 as an energy and electron source. At this time, H 2 and CO 2 were added at a ratio of 8:2.
- CBBM carbonate buffered medium
- Example 4 Culture of Eubacterium rimosum KIST612 strain by adding MeOH under H 2 /CO/CO 2 conditions
- Eubacterium limosum KIST612 strain was cultured in the same carbonate buffered medium (CBBM) as Example 1 containing 15mM methanol using H 2 /CO/CO 2 as an energy and electron source. At this time, H 2 , CO and CO 2 were added at a ratio of 4:5:1, respectively.
- CBBM carbonate buffered medium
- Example 5 Culture of Eubacterium rimosum KIST612 strain by adding MeOH under H 2 /CO/CO 2 conditions
- Example 4 the Eubacterium rimosum KIST612 strain was cultured under the same process conditions as Example 4, except that it contained 30mM of methanol.
- Eubacterium rimosum KIST612 strain was cultured under the same process conditions as in Example 1, except that methanol was not additionally added in Example 1.
- Eubacterium rimosum KIST612 strain was cultured under the same process conditions as in Example 2, except that methanol was not additionally added in Example 2.
- Eubacterium rimosum KIST612 strain was cultured under the same process conditions as in Example 3, except that methanol was not additionally added in Example 3.
- Figure 3 is a table showing metabolic changes in the KIST612 strain according to Comparative Examples 1 and 2 and Example 1 of the present invention by measuring protein expression.
- the green part in Figure 3 represents the down-regulated protein, and the red part represents the up-regulated protein.
- Figure 4 is a graph showing the growth rate, substrate (CO, H 2 ) consumption rate, and product concentration of the KIST612 strain according to Comparative Examples 1 and 2 and Examples 2 and 3 of the present invention measured over time.
- KIST612 was grown for 48 hours at a growth rate of 0.03 ⁇ 0.02/h and 0.12 ⁇ 0.01/h, respectively, under CO/CO 2 conditions in Example 2 or H 2 /CO 2 conditions in Example 3. did. Under these conditions, CO or H 2 consumption rates were 2.0 ⁇ 0.2 mmol g/cell h and 3.1 ⁇ 1.5 mmol g/cell h, respectively.
- Example 3 it can be seen that more significant changes in the physiological properties of KIST612 are observed under H 2 /CO 2 conditions.
- the specific growth rate was observed to be 0.12 ⁇ 0.01/h and the H 2 consumption rate was observed to be 8.3 ⁇ 5.4 mmol g/cell h, which were 4.0 and 2.7 times higher than those without methanol in Comparative Example 2, respectively. Therefore, it can be confirmed that the addition of methanol can particularly improve the H 2 /CO 2 utilization rate in KIST612.
- Figure 5 is a graph showing the growth rate, substrate (CO, H 2 , CO 2 ) consumption rate, methanol concentration, and product concentration of the KIST612 strain according to Comparative Example 3 and Examples 4 and 5 of the present invention measured over time. .
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Organic Chemistry (AREA)
- Zoology (AREA)
- Wood Science & Technology (AREA)
- Genetics & Genomics (AREA)
- Biotechnology (AREA)
- Bioinformatics & Cheminformatics (AREA)
- General Engineering & Computer Science (AREA)
- Microbiology (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Virology (AREA)
- Tropical Medicine & Parasitology (AREA)
- Medicinal Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
- Micro-Organisms Or Cultivation Processes Thereof (AREA)
Abstract
Description
| CBBM | Vitamin solution (Final) | Trace element solution | |||
| Components | Conc. (g/L) | Components | Conc. (mg/L) | Components | Conc. (g/L) |
| NaCl | 0.9 | Biotin | 2.0 | Nitrilotriacetic acid | 1.5 |
| MgSO4 7H2O | 0.32 | Folic acid | 2.0 | FeSO4 7H2O | 0.1 |
| CaCl2 2H2O | 0.2 | Pyridoxine HCl | 10.0 | MnCl2 4H2O | 0.1 |
| NH4Cl | 1.0 | Thiamine HCl | 5.0 | CoCl2 6H2O | 0.17 |
| Yeast extract | 2.0 | Riboflavin | 5.0 | ZnCl2 | 0.1 |
| Vitamin solution | 10mL | Nicotinic acid | 5.0 | CaCl2 6H2O | 0.1 |
| Trace element sol. | 10mL | Pantothenic acid | 5.0 | CuCl2 2H2O | 0.02 |
| Sodium bicarbonate | 2.1 | Cyanocobalamine | 0.1 | H3BO3 | 0.01 |
| 1 M K2HPO4 | 10mL | r-aminobenzoic acid | 5.0 | Na2MoO4 | 0.01 |
| L-cysteine HCl | 0.5 | Lipoic acid | 5.0 | Na2SeO3 | 0.017 |
| 0.1% (w/v) resazurin | 200μl | NiSO4 6H2O | 0.026 | ||
| CH3OH | 0-50mM | NaCl | 1.0 | ||
Claims (11)
- C1 화합물을 포함하는, 아세토젠 균주의 생장 및 대사 속도 증대용 배양 배지 조성물.
- 제1항에 있어서,상기 C1 화합물은, 포름산 및 포름알데히드로 이루어진 군으로부터 선택되는 어느 하나 이상을 포함하는 것을 특징으로 하는 아세토젠 균주의 생장 및 대사 속도 증대용 배양 배지 조성물.
- 제1항에 있어서,상기 C1 화합물은, 메탄올인 것을 특징으로 하는 아세토젠 균주의 생장 및 대사 속도 증대용 배양 배지 조성물.
- 제3항에 있어서,상기 메탄올은, 전체 배지 조성물 대비 0 초과 1.5M 이하의 농도로 포함되는 것을 특징으로 하는 아세토젠 균주의 생장 및 대사 속도 증대용 배양 배지 조성물.
- 제1항에 있어서,상기 아세토젠 균주는, 메탄올을 자화 가능한 아세토젠 균주를 포함하는 것을 특징으로 하는 아세토젠 균주의 생장 및 대사 속도 증대용 배양 배지 조성물.
- 제1항에 있어서,상기 아세토젠 균주는, 유박테리움 리모숨(Eubacterium limosum), 클로스트리디움 오토에타노게눔(Clostridium autoethanogenum), 클로스트리디움 리융달리(Clostridium ljungdahlii), 클로스트리듐 카르복시디보란스(Clostridium carboxidivorans), 클로스트리디움 라그스달레이(Clostridium ragsdalei), 스포로무사 오바타(Sporomusa ovata), 아세토박테리움 우디(Acetobacterium woodii), 아세토박테리움 디할로게난스(Acetobacterium dehalogenans), 무렐라 써모아세티카(Moorella thermoacetica)를 포함하는 군으로부터 선택되는 어느 하나 이상을 포함하는 것을 특징으로 하는 아세토젠 균주의 생장 및 대사 속도 증대용 배양 배지 조성물.
- 제1항에 있어서,상기 대사 속도 증대는, 상기 아세토젠 균주의 가스 기질 소비 속도 증대를 통해 이루어지는 것을 특징으로 하는 아세토젠 균주의 생장 및 대사 속도 증대용 배양 배지 조성물.
- 제7항에 있어서,상기 가스 기질은, H2 가스, CO 가스 및 CO2 가스 중 어느 하나 이상을 포함하는 것을 특징으로 하는 아세토젠 균주의 생장 및 대사 속도 증대용 배양 배지 조성물.
- C1 화합물을 포함하는 아세토젠 균주 배양 배지 조성물을 생물 반응기 내부에 주입하는 배지 주입 단계;상기 배양 배지 조성물에 아세토젠 균주를 접종하는 균주 접종 단계; 및상기 생물 반응기를 구동시켜 상기 아세토젠 균주를 배양하는 생물 반응기 구동 단계;를 포함하는 아세토젠 균주의 배양 방법.
- 제9항에 있어서,상기 C1 화합물은, 포름산 및 포름알데히드로 이루어진 군으로부터 선택되는 어느 하나 이상을 포함하는 것을 특징으로 하는 아세토젠 균주의 배양 방법.
- 제9항에 있어서,상기 C1 화합물은, 메탄올인 것을 특징으로 하는 아세토젠 균주 배양 방법.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US17/915,190 US20240209401A1 (en) | 2022-05-12 | 2022-05-12 | Culture medium composition for increasing growth and metabolic rate of acetogenic strain and method for culturing acetogenic strain using the same |
| PCT/KR2022/006839 WO2023219188A1 (ko) | 2022-05-12 | 2022-05-12 | 아세토젠 균주의 생장 및 대사 속도 증대를 위한 배양 배지 조성물 및 이를 이용한 아세토젠 균주의 배양방법 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/KR2022/006839 WO2023219188A1 (ko) | 2022-05-12 | 2022-05-12 | 아세토젠 균주의 생장 및 대사 속도 증대를 위한 배양 배지 조성물 및 이를 이용한 아세토젠 균주의 배양방법 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2023219188A1 true WO2023219188A1 (ko) | 2023-11-16 |
Family
ID=88730465
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/KR2022/006839 Ceased WO2023219188A1 (ko) | 2022-05-12 | 2022-05-12 | 아세토젠 균주의 생장 및 대사 속도 증대를 위한 배양 배지 조성물 및 이를 이용한 아세토젠 균주의 배양방법 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US20240209401A1 (ko) |
| WO (1) | WO2023219188A1 (ko) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4377638A (en) * | 1981-06-29 | 1983-03-22 | University Patents, Inc. | Microbiological production of lower aliphatic carboxylic acids |
| US20160040171A1 (en) * | 2013-04-22 | 2016-02-11 | William Marsh Rice University | Method to produce hydrocarbon from c-1 substrate |
| JP2016059314A (ja) * | 2014-09-17 | 2016-04-25 | 積水化学工業株式会社 | 組換え細胞、並びに、有機化合物の生産方法 |
| EP3385378A1 (en) * | 2015-11-30 | 2018-10-10 | Sekisui Chemical Co., Ltd. | Recombinant cell, method for producing recombinant cell, and method for producing organic compound |
| KR20220025538A (ko) * | 2020-08-24 | 2022-03-03 | 포항공과대학교 산학협력단 | 일산화탄소로부터 유기산을 고효율로 생산하기 위한 상호공생 미생물 컨소시엄을 포함하는 조성물 및 이를 이용한 방법 |
| KR20220116685A (ko) * | 2021-02-15 | 2022-08-23 | 광주과학기술원 | 아세토젠 균주의 생장 및 대사 속도 증대를 위한 배양 배지 조성물 및 이를 이용한 아세토젠 균주의 배양방법 |
-
2022
- 2022-05-12 WO PCT/KR2022/006839 patent/WO2023219188A1/ko not_active Ceased
- 2022-05-12 US US17/915,190 patent/US20240209401A1/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4377638A (en) * | 1981-06-29 | 1983-03-22 | University Patents, Inc. | Microbiological production of lower aliphatic carboxylic acids |
| US20160040171A1 (en) * | 2013-04-22 | 2016-02-11 | William Marsh Rice University | Method to produce hydrocarbon from c-1 substrate |
| JP2016059314A (ja) * | 2014-09-17 | 2016-04-25 | 積水化学工業株式会社 | 組換え細胞、並びに、有機化合物の生産方法 |
| EP3385378A1 (en) * | 2015-11-30 | 2018-10-10 | Sekisui Chemical Co., Ltd. | Recombinant cell, method for producing recombinant cell, and method for producing organic compound |
| KR20220025538A (ko) * | 2020-08-24 | 2022-03-03 | 포항공과대학교 산학협력단 | 일산화탄소로부터 유기산을 고효율로 생산하기 위한 상호공생 미생물 컨소시엄을 포함하는 조성물 및 이를 이용한 방법 |
| KR20220116685A (ko) * | 2021-02-15 | 2022-08-23 | 광주과학기술원 | 아세토젠 균주의 생장 및 대사 속도 증대를 위한 배양 배지 조성물 및 이를 이용한 아세토젠 균주의 배양방법 |
Also Published As
| Publication number | Publication date |
|---|---|
| US20240209401A1 (en) | 2024-06-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5173429A (en) | Clostridiumm ljungdahlii, an anaerobic ethanol and acetate producing microorganism | |
| Grethlein et al. | Evidence for production of n-butanol from carbon monoxide by Butyribacterium methylotrophicum | |
| US9469860B2 (en) | Method for production of n-butanol from syngas using syntrophic co-cultures of anaerobic microorganisms | |
| WO2019156442A1 (en) | Bioreactor for converting gaseous co2 | |
| US20090053793A1 (en) | Ethanol resistant and furfural resistant strains of E. coli FBR5 for production of ethanol from cellulosic biomass | |
| KR20130009808A (ko) | 신규한 에탄올생성 클로스트리듐 종, 클로스트리듐 코스카티 | |
| Sun et al. | Degradation and transformation of furfural derivatives from hydrothermal pre-treated algae and lignocellulosic biomass during hydrogen fermentation | |
| PT2250274E (pt) | Processo de produção de álcool microbiano | |
| Ramió-Pujol et al. | How can alcohol production be improved in carboxydotrophic clostridia? | |
| He et al. | Selective butanol production from carbon monoxide by an enriched anaerobic culture | |
| WO2012141542A2 (ko) | 미생물 발효를 통해 제조된 생성물을 흡착제를 이용하여 분리 정제하는 장치 및 방법 | |
| WO2011031104A2 (ko) | 바이오 연료물질 및 바이오 화학물질 제조방법 | |
| Canganella et al. | Clostridium thermobutyricum: growth studies and stimulation of butyrate formation by acetate supplementation | |
| WO2020071631A1 (ko) | 생물학적 c1 가스 전환 공정을 위한 생물전기화학반응기 및 이를 이용한 공정방법 | |
| EP0604708B1 (en) | Fermentation method for the fast production of methane | |
| RU2663728C2 (ru) | Способ накопления избыточной энергии | |
| CN120738061A (zh) | 一种用于调控食气梭菌目标产物的发酵培养基及其发酵方法 | |
| WO2023219188A1 (ko) | 아세토젠 균주의 생장 및 대사 속도 증대를 위한 배양 배지 조성물 및 이를 이용한 아세토젠 균주의 배양방법 | |
| Moench et al. | Nutritional growth requirements for Butyribacterium methylotrophicum on single carbon substrates and glucose | |
| CN107043792B (zh) | 一种高温菌和中温菌共同发酵合成气产乙醇的方法 | |
| WO2019045416A2 (ko) | 에탄올 비생산성 아세토젠 균주를 에탄올 생성균주로 전환하는 방법 및 상기 에탄올 생성균주로부터 일산화탄소를 이용한 에탄올의 제조방법 | |
| WO2016043383A1 (ko) | 메탄올 자화균을 이용하여 이산화탄소로부터 개미산을 합성하는 방법 | |
| WO2013073860A1 (ko) | 이산화탄소 고정능을 가지는 재조합 미생물 및 이를 이용한 유용물질의 제조 방법 | |
| WO2014081084A1 (ko) | 부탄올 생성능이 증강된 재조합 미생물 및 이를 이용한 부탄올 생산 방법 | |
| KR20220116685A (ko) | 아세토젠 균주의 생장 및 대사 속도 증대를 위한 배양 배지 조성물 및 이를 이용한 아세토젠 균주의 배양방법 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| WWE | Wipo information: entry into national phase |
Ref document number: 17915190 Country of ref document: US |
|
| 121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 22941775 Country of ref document: EP Kind code of ref document: A1 |
|
| NENP | Non-entry into the national phase |
Ref country code: DE |
|
| 32PN | Ep: public notification in the ep bulletin as address of the adressee cannot be established |
Free format text: NOTING OF LOSS OF RIGHTS PURSUANT TO RULE 112(1) EPC (EPO FORM 1205A DATED 28/03/2025) |
|
| 122 | Ep: pct application non-entry in european phase |
Ref document number: 22941775 Country of ref document: EP Kind code of ref document: A1 |