WO2016199856A1 - 3-ヒドロキシアジピン酸の製造方法 - Google Patents
3-ヒドロキシアジピン酸の製造方法 Download PDFInfo
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- C12P7/00—Preparation of oxygen-containing organic compounds
- C12P7/40—Preparation of oxygen-containing organic compounds containing a carboxyl group including Peroxycarboxylic acids
- C12P7/44—Polycarboxylic acids
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- 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
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- 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
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- 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
- C12P7/40—Preparation of oxygen-containing organic compounds containing a carboxyl group including Peroxycarboxylic acids
- C12P7/42—Hydroxy-carboxylic acids
Definitions
- the present invention relates to a method for producing 3-hydroxyadipic acid using microorganisms.
- 3-Hydroxyadipic acid (IUPAC name: 3-hydroxyhexanedioic acid) is a dicarboxylic acid having 6 carbon atoms and a molecular weight of 162.14. 3-Hydroxyadipic acid can be used as a polyester by polymerizing with a polyhydric alcohol and as a raw material for polyamide by polymerizing with a polyvalent amine. Further, by adding ammonia to the terminal of 3-hydroxyadipic acid to make lactam, it can be used alone as a raw material for polyamide.
- a report related to a method for producing 3-hydroxyadipic acid using microorganisms includes adipic acid in the process of producing adipic acid by a non-naturally occurring microorganism using succinyl-CoA and acetyl-CoA as starting materials.
- 3-oxoadipate (3-oxoadipate) can be reduced by an enzymatic reaction (3-oxoadipate reductase) as an intermediate in the biosynthetic pathway to produce 3-hydroxyadipate
- Patent Literature 3-oxoadipate
- FIG. 3 It has also been reported that n-decane is metabolized by Pseudomonas X2 to produce a very small amount of 3-hydroxyadipic acid ( ⁇ -hydroxyadipic acid) (Non-patent Document 1).
- Patent Document 1 in a microorganism artificially improved so that adipic acid can be produced, 3-oxoadipic acid (3-oxoadipate) is reduced by an enzymatic reaction as an intermediate of adipic acid to be produced. While there is a description that -hydroxyadipate (3-hydroxyadipate) can be produced, on the other hand, the direct reduction reaction by 3-oxoadipate reductase from 3-oxoadipate to 3-hydroxyadipate Evidence has not been confirmed, and it has not been verified whether 3-hydroxyadipic acid can actually be produced using the metabolic pathway of microorganisms.
- 3-oxoadipate reductase since an enzyme called 3-oxoadipate reductase is not well known to those skilled in the art, 3-hydroxyadipate cannot be produced using succinyl-CoA and acetyl-CoA as starting materials according to the description in Patent Document 1. It was.
- Non-Patent Document 1 reports that Pseudomonas X2 produces 3-hydroxyadipic acid, its productivity is only slightly detectable by NMR, and a method for producing 3-hydroxyadipic acid That is not to say.
- an object of the present invention is to provide a method for producing 3-hydroxyadipic acid using a metabolic pathway of microorganisms.
- the present inventor has found that microorganisms capable of producing 3-hydroxyadipic acid using metabolic pathways exist in nature, and the following present invention includes the following. Reached.
- the present invention provides the following (1) to (19).
- a method for producing 3-hydroxyadipic acid comprising a step of culturing at least one microorganism having the ability to produce 3-hydroxyadipic acid selected from the group consisting of a microorganism belonging to the genus Shimwellia, a microorganism belonging to the genus Aerobacter and a microorganism belonging to the genus Rhizobium .
- the microorganism is at least one selected from the group consisting of a microorganism belonging to the genus Cupriavidus, a microorganism belonging to the genus Acinetobacter, a microorganism belonging to the genus Delftia, a microorganism belonging to the genus Shimwellia, a microorganism belonging to the genus Escherichia and a microorganism belonging to the genus Pseudomonas.
- the Escherichia microorganism is Escherichia fergusonii or Escherichia coli.
- the microorganism belonging to the genus Psuedomonas is Pseudomonas chlororaphis, Pseudomonas putida, Pseudomonas azotoformans or Pseudomonas chlororaphis subsp.
- the medium for culturing the microorganism contains at least one carbon source selected from the group consisting of sugars, succinic acid, 2-oxoglutaric acid and glycerol.
- the method according to item. (19) The microorganism is cultured in a medium containing at least one inducer selected from the group consisting of ferulic acid, p-coumaric acid, benzoic acid, cis, cis-muconic acid, protocatechuic acid, and catechol.
- 3-hydroxyadipic acid can be obtained by utilizing the metabolic pathway of microorganisms.
- the method for producing 3-hydroxyadipic acid of the present invention is characterized by including a step of culturing a microorganism capable of producing 3-hydroxyadipic acid. More specifically, the method is characterized in that 3-hydroxyadipic acid is produced by culturing a microorganism capable of producing 3-hydroxyadipic acid by utilizing the metabolic pathway of the microorganism.
- the microorganism having the ability to produce 3-hydroxyadipic acid used in the method of the present invention is selected from the following microorganisms. ⁇ Cupriavidus genus microorganisms ⁇ Acinetobacter genus microorganisms ⁇ Delfia genus microorganisms ⁇ Shimwellia genus microorganisms ⁇ Escherichia genus microorganisms ⁇ Aerobacter genus microorganisms ⁇ Alcaligenes genus microorganisms Genus microorganisms, Rhizobium genus microorganisms, Streptomyces genus microorganisms.
- microorganisms belonging to the genus Cupriavidus having the ability to produce 3-hydroxyadipic acid include Cupriavidus metallidurans, Cupriavidus necator, Cupriavidus oxalateticus. It is not clear about the mechanism by which Capriavidus microorganisms can produce 3-hydroxyadipic acid using metabolic pathways, but Capriavidus genus decomposes hydrocarbons derived from petroleum products such as benzene, toluene and xylene ( JP-A-2007-252285) and may be known to have metal resistance (Antonie van Leeuwenhoek, 2009, 96, 2, 115-139). Capriavidus microorganisms are generally used for substance production. It has a complicated metabolic pathway different from that of the microorganism to be used, and it is estimated that 3-hydroxyadipic acid is produced based on the metabolic pathway.
- microorganisms belonging to the genus Acinetobacter having the ability to produce 3-hydroxyadipic acid include Acinetobacter baylyi and Acinetobacter radioresisten. Although the mechanism by which Acinetobacter microorganisms can produce 3-hydroxyadipic acid using metabolic pathways is not clear, Acinetobacter genus decomposes mineral oils such as benzene, fuel oil, and lubricating oil and is used for environmental purification. (See JP2013-123418), and like the Capriavidus, microorganisms belonging to the genus Acinetobacter have complicated metabolic pathways different from those commonly used for substance production. Therefore, it is estimated that 3-hydroxyadipic acid is produced based on the metabolic pathway.
- Delftia microorganisms having the ability to produce 3-hydroxyadipic acid include Delftia acidovorans.
- the mechanism by which Delftia microorganisms can produce 3-hydroxyadipic acid using metabolic pathways is not clear, but Delftia is used for environmental purification by decomposing mineral oils such as benzene, fuel oil, and lubricating oil.
- metal resistance may be known (Journal of Water Resource and Protection, 2012, 4, 4, 207-216), as well as Capriavidus and Acinetobacter,
- the Delftia genus microorganism also has a complicated metabolic pathway different from that generally used for substance production, and it is presumed that 3-hydroxyadipic acid is produced based on the metabolic pathway.
- Shimella brattae As a specific example of a Shimella genus microorganism having an ability to produce 3-hydroxyadipic acid, there is Shimella brattae.
- the mechanism by which the microorganisms of the genus Shimwellia can produce 3-hydroxyadipic acid using metabolic pathways is not clear, the genus Shimwellia may also live in places with high radioactive radon concentrations (Radiation Protection and Environment, 2014, 37, 21, 21-24), Capriavidus genus, Acinetobacter genus, Delftia genus, Shimwellia genus microorganisms have a special metabolic pathway different from microorganisms generally used for substance production, It is estimated that 3-hydroxyadipic acid is produced based on the metabolic pathway.
- Escherichia microorganisms capable of producing 3-hydroxyadipic acid include Escherichia fergusonii and Escherichia coli.
- the mechanism by which Escherichia microorganisms can produce 3-hydroxyadipic acid using metabolic pathways is not clear, but Escherichia is known to have hydrocarbon resolution and heavy metal resistance (Bioresource Technology). , 2011, 102, 19, 9291-9295), Capriavidus genus, Acinetobacter genus, Delftia genus, and Shimwellia genus, Escherichia genus microorganisms are also commonly used for substance production (for example, Corynebacterium genus microorganisms). It is estimated that 3-hydroxyadipic acid is produced based on this metabolic pathway.
- microorganisms belonging to the genus Psuedomonas having the ability to produce 3-hydroxyadipic acid include Pseudomonas chlororaphis, Pseudomonas putida, Pseudomonas azotoformans, Pseudomonas chlororaphis. Aureofaciens.
- the genus Psuedomonas is an aromatic hydrocarbon solvent, a petroleum hydrocarbon solvent, an ester solvent, an alcohol solvent.
- microorganisms of the genus Psuedomonas are also used for substance production, as well as the genera Capriavidus, Acinetobacter, Delftia, Shimwellia, and Escherichia. It has a complicated metabolic pathway different from commonly used microorganisms (for example, Corynebacterium microorganisms), and it is estimated that 3-hydroxyadipic acid is produced based on the metabolic pathway.
- Aerobacter cloacae Specific examples of microorganisms belonging to the genus Aerobacter having the ability to produce 3-hydroxyadipic acid include Aerobacter cloacae. Although the mechanism by which Aerobacter microorganisms can produce 3-hydroxyadipic acid using metabolic pathways is not clear, Aerobacter genus is a kind of pesticide, DDT (1,1,1-trichloro-2-bis (p -Chlorophenyl) and ethan) may be known (see New Zealand Journal of Agricultural Research, Volume 40, Issue 2, 1997), which is different from the microorganisms commonly used in substance production. It has a metabolic pathway, and it is estimated that 3-hydroxyadipic acid is produced based on the metabolic pathway.
- DDT 1,1,1-trichloro-2-bis (p -Chlorophenyl) and ethan
- Alcaligenes having the ability to produce 3-hydroxyadipic acid include Alcaligenes faecalis. Although the mechanism by which Alcaligenes microorganisms can produce 3-hydroxyadipic acid using metabolic pathways is not clear, Alcaligenes genus may be used for purification of wastewater containing phenolic compounds (Japanese Patent Laid-Open No. 2016- 41392), it has a complicated metabolic pathway different from microorganisms generally used for substance production, and it is presumed that 3-hydroxyadipic acid is produced based on this metabolic pathway.
- Bacillus microorganisms having the ability to produce 3-hydroxyadipic acid include Bacillus badius, Bacillus magnesium, and Bacillus roseus.
- the mechanism by which Bacillus microorganisms can produce 3-hydroxyadipic acid using metabolic pathways is not clear, but Bacillus may be used in wastewater treatment systems that biologically treat wastewater with activated sludge ( JP-A-2006-305455) has a complicated metabolic pathway different from microorganisms generally used for substance production, and it is estimated that 3-hydroxyadipic acid is produced based on the metabolic pathway.
- microorganisms belonging to the genus Brevibacterium having the ability to produce 3-hydroxyadipic acid include Brevibacterium iodinum.
- the mechanism by which microorganisms of the genus Brevibacterium can produce 3-hydroxyadipic acid using metabolic pathways is not clear, it is known that the genus Brevibacterium is degrading Ochratoxin A, a kind of toxin produced by mold. In some cases (see J. Agric. Food Chem., 2011, 59 (19), pp 10755-10760), it has a complicated metabolic pathway different from microorganisms generally used for substance production, and the metabolism It is presumed to produce 3-hydroxyadipic acid based on the route.
- microorganisms belonging to the genus Corynebacterium having the ability to produce 3-hydroxyadipic acid include Corynebacterium acetoacidophilum, Corynebacterium acetoglutamicum, and Corynebacterium ammoniagenes, and Corynebacterium.
- Corynebacterium microorganisms can produce 3-hydroxyadipic acid using metabolic pathways.
- Corynebacterium has the ability to degrade polycyclic aromatic hydrocarbons. Yes (Prevalence of polycyclic aromatic hydrocarbons (PAHs) degrading bacteria in contaminated tropical soil in Lagos, Nigeria:.
- Hafnia microorganisms having the ability to produce 3-hydroxyadipic acid include Hafnia alvei. Although the mechanism by which Hafnia spp. Microorganisms can produce 3-hydroxyadipic acid using metabolic pathways is not clear, it is known that Hafnia spp. Is resistant to chromic acid in wastewater and decomposes. (See J. bio-sci. 17: 71-76, 2009), which has a complicated metabolic pathway different from microorganisms generally used for substance production, and 3-hydroxyadipine based on this metabolic pathway It is presumed to produce an acid.
- Nocardioides microorganisms having the ability to produce 3-hydroxyadipic acid include Nocardioides albus.
- the mechanism by which the microorganisms of the genus Nocardioides can produce 3-hydroxyadipic acid using metabolic pathways is not clear, but the genus Nocardioides is known to decompose petroleum (Isolation and Identification of Petroleum- Degradable Bacterial Strain and Its Oil-Degradation Characteristics, see Journal of Microbiology, 2012-05), which has a complex metabolic pathway that is different from microorganisms commonly used for substance production and is based on the hydroxy pathway It is presumed to produce adipic acid.
- Rhizobium radiobacter As a specific example of a microorganism belonging to the genus Rhizobium having the ability to produce 3-hydroxyadipic acid, there is Rhizobium radiobacter. Although the mechanism by which Rhizobium microorganisms can produce 3-hydroxyadipic acid using metabolic pathways is not clear, Rhizobium genus may be known to degrade methyl violet, a kind of dye ( Journal of Basic Microbiology, Volume 49, Issue Supplement S1, September 2009 Pages S36-S42), which has a complex metabolic pathway that is different from microorganisms commonly used for substance production, and is based on the 3-hydroxy pathway It is presumed to produce adipic acid.
- Streptomyces genus microorganisms capable of producing 3-hydroxyadipic acid include Streptomyces vinaceus, Streptomyces karnakensis, and Streptomyces olivacaceus.
- the mechanism by which Streptomyces microorganisms can produce 3-hydroxyadipic acid using metabolic pathways is not clear, but Streptomycins is known to produce various antibiotics (Tetrahedron Volume 39 , Issue 15, 1983, Pages 2555-1562), has a complicated metabolic pathway different from microorganisms generally used for substance production, and can produce 3-hydroxyadipic acid based on the metabolic pathway Presumed.
- the microorganisms are all known as microorganisms existing in nature, and can be isolated from the natural environment such as soil. It can also be purchased from a microorganism dispensing organization such as ATCC.
- the microorganism may be a gene that has been recombined according to a known technique, or may be a gene that has been mutated by artificial mutation means.
- Confirmation that the microorganism has the ability to produce 3-hydroxyadipic acid can be obtained by analyzing the supernatant of the culture solution with an appropriate analytical method such as high performance liquid chromatography (HPLC), high performance liquid chromatograph mass spectrometer (LC / MS). , 3-hydroxyadipine contained in the culture supernatant using a high performance liquid chromatography tandem mass spectrometer (LC-MS / MS), gas chromatography (GC), gas chromatograph mass spectrometer (GC / MS), etc. This can be confirmed by detecting the acid.
- HPLC high performance liquid chromatography
- LC / MS high performance liquid chromatograph mass spectrometer
- a microorganism capable of producing 1.0 mg / L or more of 3-hydroxyadipic acid in a culture supernatant obtained by culturing for 20 hours to 48 hours is used as a microorganism capable of producing 3-hydroxyadipic acid. It is preferable to use as.
- each microorganism described above is cultured under conditions where 3-hydroxyadipic acid is produced.
- the microorganism is cultured in a medium suitable for the microorganism to be used, for example, a medium containing a carbon source that can be metabolized by a normal microorganism, preferably a liquid medium.
- a medium suitable for the microorganism to be used for example, a medium containing a carbon source that can be metabolized by a normal microorganism, preferably a liquid medium.
- “metabolism” in the present invention means that a certain chemical substance taken from outside the cell or produced from another chemical substance in the cell is converted into another chemical substance by an enzymatic reaction. Point to.
- the medium preferably contains a carbon source that can be assimilated by the microorganisms to be cultured.
- a medium containing a nitrogen source that can be metabolized (preferably assimilated), an inorganic salt, and if necessary, organic micronutrients such as amino acids and vitamins is used. Any of a natural medium and a synthetic medium can be used as long as the nutrient source is contained.
- saccharides can be preferably used.
- the microorganism can be preferably used as long as the microorganism can be used for growth as a single carbon source.
- preferable carbon sources include monosaccharides such as glucose, sucrose, fructose, galactose, mannose, xylose, and arabinose, disaccharides to which these monosaccharides are bound, polysaccharides, starch saccharified solutions containing these saccharides, Molasses, cellulose-containing biomass saccharified solution, acetic acid, succinic acid, lactic acid, fumaric acid, citric acid, propionic acid, malic acid, malonic acid, adipic acid, 2-oxoglutaric acid, pyruvic acid and other organic acids, methanol, ethanol And monohydric alcohols such as propanol, polyhydric alcohols such as glycerin, ethylene glycol, and propanedi
- the carbon sources listed above may be used alone or in combination. Specifically, among these carbon sources, the microorganism efficiently metabolizes one or more selected from the group consisting of saccharides, succinic acid, 2-oxoglutaric acid, and glycerol to efficiently produce 3-hydroxyadipic acid. Can be manufactured.
- the concentration of the saccharide in the medium is not particularly limited and can be appropriately set according to the type of microorganism to be cultured, the type of saccharide, etc., but is usually about 5 g / L to 300 g / L.
- Examples of the assimilable nitrogen source used for culturing the microorganism include, for example, ammonia gas, aqueous ammonia, ammonium salts, urea, nitrates, and other organic nitrogen sources used as ancillary substances such as oil cakes and soybean hydrolysate. Casein degradation products, other amino acids, vitamins, corn steep liquor, yeast or yeast extract, meat extract, peptides such as peptone, various fermented cells and hydrolysates thereof, and the like are used.
- the concentration of the nitrogen source in the medium is not particularly limited and can be appropriately set according to the type of microorganism to be cultured, the type of nitrogen source, etc., but is usually about 0.1 g / L to 50 g / L. .
- inorganic salts used for culturing the microorganism for example, phosphates, magnesium salts, calcium salts, iron salts, manganese salts and the like can be appropriately added and used.
- the culture conditions of the microorganisms for producing 3-hydroxyadipic acid include the medium of the component composition, the culture temperature, the stirring speed, the pH, the aeration amount, the inoculation amount, etc., the type of production bacteria used and the external conditions, etc. Depending on the setting, it can be adjusted or selected as appropriate. When there is foaming in liquid culture, an antifoaming agent such as mineral oil, silicone oil and surfactant can be appropriately added to the medium.
- an antifoaming agent such as mineral oil, silicone oil and surfactant can be appropriately added to the medium.
- 3-Hydroxyadipic acid can be produced by culturing with the above microorganisms under the culture medium and culture conditions shown above, but in a state where the metabolic pathway necessary for producing 3-hydroxyadipic acid is activated. By culturing the microorganism, 3-hydroxyadipic acid can be more efficiently produced.
- the method for activating the metabolic pathway is not particularly limited.
- 3-hydroxyadipic acid is produced by culturing the microorganism in a medium containing a substance that activates the metabolic pathway (hereinafter also referred to as an inducer).
- a method for inducing expression of an enzyme gene (s) in a metabolic pathway a method for modifying a coding region of the enzyme gene (s) and / or a functional region around the enzyme gene (s) by gene modification technology, an enzyme gene (s) Methods of increasing the copy number of the product, and disrupting the enzyme gene function in the biosynthetic pathway of by-products, etc., but the enzyme gene in the metabolic pathway for producing 3-hydroxyadipic acid by an inducer ( The method of inducing the expression of group) is preferred.
- the inducer is not particularly limited as long as it is a substance that activates a metabolic pathway necessary for the production of 3-hydroxyadipic acid.
- it is usually a compound having fewer carbon atoms using 3-oxoadipyl-CoA as an intermediate.
- An aromatic compound or an aliphatic compound having 6 or more carbon atoms, preferably 6 or more and 30 or less carbon atoms, can be used.
- a dicarboxylic acid having 6 or more carbon atoms, preferably 6 or more and 30 or less carbon atoms can be used.
- Examples of such compounds can be known using databases such as KEGG (Kyoto Encyclopedia of Genes and Genomes), specifically, adipic acid, benzoic acid, cis, cis-muconic acid, terephthalic acid. , Protocatechuic acid, catechol, vanillin, coumaric acid, ferulic acid and the like, and preferred examples include adipic acid, ferulic acid, and p-coumaric acid.
- the above inducers may be used alone or in combination of two or more according to the microorganism used for the production of 3-hydroxyadipic acid.
- the inducer may be contained in a medium used for culture (pre-culture) for growing the microorganism as a pre-stage of 3-hydroxyadipic acid production, or a medium used for 3-hydroxyadipic acid production. May be included.
- the concentration of the inducer (if multiple inducers are included, the total concentration thereof) is not particularly limited, and the type of microorganism or induction Although it is appropriately set according to the kind of the substance, it is usually 1 mg / L to 10 g / L, preferably 5 mg / L to 1 g / L.
- the produced 3-hydroxyadipic acid can be recovered after the 3-hydroxyadipic acid is produced in the microorganism culture to a recoverable amount.
- the recovery for example, isolation of the produced 3-hydroxyadipic acid should be performed according to a general method for stopping the culture when the accumulated amount has increased moderately and collecting the fermentation product from the culture. Can do. Specifically, after separating the cells by centrifugation, filtration, etc., 3-hydroxyadipic acid is isolated from the culture by column chromatography, ion exchange chromatography, activated carbon treatment, crystallization, membrane separation, distillation, etc. Can be separated.
- the culture is concentrated by using a reverse osmosis membrane or an evaporator to remove water to increase the concentration of 3-hydroxyadipic acid, followed by cooling crystallization or adiabatic crystallization.
- Example 1 3-Hydroxyadipic acid production test microorganism culture using succinic acid 3-Hydroxyadipic acid of the microorganisms shown in Table 1 (both microorganisms were purchased from a microbial distribution agency and the purchaser is listed in the name of the strain) The production ability of was investigated.
- Each platinum microbe is inoculated into 5 mL of a medium consisting of tryptone 10 g / L, yeast extract 5 g / L, sodium chloride 5 g / L, adipic acid 0.5 g / L, pH 7, and 30 ° C. until fully suspended. And cultured with shaking (preculture).
- the concentration of 3-hydroxyadipic acid accumulated in the culture supernatant was as shown in Table 1, and it was confirmed that all the microorganisms had the ability to produce 3-hydroxyadipic acid.
- Example 2 Example of Production of 3-Hydroxyadipic Acid
- Cupriavidus metallidrans NBRC101272 which was confirmed to be a microorganism capable of producing 3-hydroxyadipic acid in Example 1, was inoculated in a platinum loop in 5 mL of LB medium. The suspension was cultured at 30 ° C. until suspended (pre-culture). 2 mL of the culture solution was added to 100 mL of a medium consisting of tryptone 10 g / L, yeast extract 5 g / L, sodium chloride 5 g / L, adipic acid 0.5 g / L, pH 7, and shaken at 30 ° C. until fully suspended. Cultured (preculture).
- Example 2 After washing the precultured solution with 200 mL of 0.9% sodium chloride three times in the same manner as in Example 1, the cells were suspended in 10 mL of 0.9% sodium chloride. 10 mL of the suspension was added to 100 mL of the main culture medium using succinic acid as a carbon source in the same manner as in Example 1, and cultured with shaking at 30 ° C. for 20 hours (main culture). The supernatant obtained by centrifuging cells from the main culture was analyzed by LC-MS / MS in the same manner as in Example 1. As a result, the concentration of 3-hydroxyadipic acid accumulated in the culture supernatant was 18 mg / L. there were.
- the supernatant of the main culture was concentrated under reduced pressure to obtain 11 mL of a concentrated solution having a 3-hydroxyadipic acid concentration of 160 mg / L.
- This concentrated solution was injected into HPLC connected with a preparative device, and a fraction having an elution time corresponding to a sample of 3-hydroxyadipic acid was collected. This operation was repeated 10 times to obtain a 3-hydroxyadipic acid aqueous solution from which impurities in the culture medium were removed.
- the preparative HPLC used for collecting 3-hydroxyadipic acid was performed under the following conditions.
- Example 2 Culture without Addition of Carbon Source
- the microorganisms shown in Table 1 were cultured under the same conditions as in Example 1 except that a medium having a composition not containing succinic acid was used, and quantitative analysis of 3-hydroxyadipic acid was performed. As a result, 3-hydroxyadipic acid was not detected in the culture supernatant. From this result, it was confirmed that the 3-hydroxyadipic acid quantified in Example 1 was produced as a result of succinic acid being metabolized by microorganisms.
- Example 3 3-Hydroxyadipic acid production test using various microorganisms
- the microorganisms shown in Table 3 were used as inducers.
- Pre-culture and fungus under the same conditions as in Example 1 except that ferulic acid, p-coumaric acid, benzoic acid, cis, cis-muconic acid, protocatechuic acid and catechol were added to the culture medium to 2.5 mM each.
- Body washing was performed. 0.5 mL of the suspension after washing was added to 5 mL of a medium having the composition shown below, and cultured with shaking at 30 ° C. for 48 hours.
- Table 3 shows the results of quantitative analysis of 3-hydroxyadipic acid accumulated in the culture supernatant. From these results, it was confirmed that all the microorganisms have the ability to produce 3-hydroxyadipic acid.
- Example 4 3-Hydroxyadipic acid production test with no inducer added Pre-culture under the same conditions as in Example 3 except that the inducer used in Example 3 was not added to the microorganisms shown in Table 4 The cells were washed. 0.5 mL of the suspension after washing was added to 5 mL of a medium having the composition shown below, and cultured with shaking at 30 ° C. for 48 hours.
- Table 4 shows the results of quantitative analysis of 3-hydroxyadipic acid in the culture supernatant. From these results, it was confirmed that the microorganisms shown in Table 4 have the ability to produce 3-hydroxyadipic acid even when precultured without adding an inducer.
- Example 5 3-Hydroxyadipic acid production test using p-coumaric acid or ferulic acid as inducer From among substances added to the preculture medium as inducer in Example 3 for the microorganisms shown in Table 5 Pre-culture and cell washing were performed under the same conditions as in Example 4 except that p-coumaric acid or ferulic acid was added to a concentration of 0.5 mM. 0.5 mL of the suspension after washing was added to 5 mL of a medium having the composition shown below, and cultured with shaking at 30 ° C. for 48 hours. Table 5 shows the results of quantitative analysis of 3-hydroxyadipic acid in the culture supernatant. From these results, it was found that even when only p-coumaric acid or ferulic acid was added to the preculture medium as an inducer, the production amount of 3-hydroxyadipic acid was improved as compared with the case where it was not added. .
- 3-hydroxyadipic acid can be produced using microorganisms.
- the obtained 3-hydroxyadipic acid can be used as various polymer raw materials.
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Abstract
Description
(1)Escherichia属微生物、Pseudomonas属微生物、Hafnia属微生物、Corynebacterium属微生物、Bacillus属微生物、Streptomyces属微生物、Cupriavidus属微生物、Acinetobacter属微生物、Alcaligenes属微生物、Nocardioides属微生物、Brevibacterium属微生物、Delftia属微生物、Shimwellia属微生物、Aerobacter属微生物およびRhizobium属微生物からなる群から選択される、3-ヒドロキシアジピン酸の生産能を有する少なくとも1種類の微生物を培養する工程を含む、3-ヒドロキシアジピン酸の製造方法。
(2)前記微生物が、 Cupriavidus属微生物、Acinetobacter属微生物、Delftia属微生物、Shimwellia属微生物、Escherichia属微生物およびPseudomonas属微生物からなる群から選択される少なくとも1種類である(1)記載の方法。
(3)前記Escherichia属微生物が、Escherichia fergusonii又はEscherichia coliである、(1)又は(2)記載の方法。
(4)前記Psuedomonas属微生物が、Pseudomonas chlororaphis、Pseudomonas putida、Pseudomonas azotoformans又はPseudomonas chlororaphis subsp. aureofaciensである、(1)又は(2)記載の方法。
(5)前記Hafnia属微生物が、Hafnia alveiである、(1)記載の方法。
(6)前記Corynebacterium属微生物が、Corynebacteriumacetoacidophilum、Corynebacterium acetoglutamicum、Corynebacterium ammoniagenes又はCorynebacterium glutamicumである、(1)記載の方法。
(7)前記Bacillus属微生物が、Bacillus badius、Bacillus magaterium又はBacillus roseusである、(1)記載の方法。
(8)前記Streptomyces属微生物が、Streptomyces vinaceus、Streptomyces karnatakensis又はStreptomyces olivaceusである、(1)記載の方法。
(9)前記Cupriavidus属微生物が、Cupriavidus metallidurans、Cupriavidus necator又はCupriavidus oxalaticusである、(1)又は(2)記載の方法。
(10)前記Acinetobacter属微生物が、Acinetobacter baylyi又はAcinetobacter radioresistensである、(1)又は(2)記載の方法。
(11)前記Alcaligenes属微生物が、Alcaligenes faecalisである、(1)又は(2)記載の方法。
(12)前記Nocardioides属微生物が、Nocardioides albusである、(1)記載の方法。
(13)前記Brevibacterium属微生物が、Brevibacterium iodinumである、(1)記載の方法。
(14)前記Delftia属微生物が、Delftia acidovoransである、(1)又は(2)記載の方法。
(15)前記Shimwellia属微生物が、Shimwellia blattaeである、(1)又は(2)記載の方法。
(16)前記Aerobacter属微生物が、Aerobacter cloacaeである、(1)記載の方法。
(17)前記Rhizobium属微生物が、Rhizobium radiobacterである、(1)記載の方法。
(18)前記微生物を培養する培地が、糖類、コハク酸、2-オキソグルタル酸およびグリセロールからなる群から、選択される少なくとも1種の炭素源を含む、(1)~(17)のいずれか1項に記載の方法。
(19)前記微生物を、フェルラ酸、p-クマル酸、安息香酸、cis,cis-ムコン酸、プロトカテク酸およびカテコールからなる群から選択される少なくとも1種の誘導物質を含む培地で培養する、(1)~(18)のいずれか1項に記載の方法。
・Cupriavidus属微生物
・Acinetobacter属微生物
・Delftia属微生物
・Shimwellia属微生物
・Escherichia属微生物
・Psudomonas属微生物
・Aerobacter属微生物
・Alcaligenes属微生物
・Bacillus属微生物
・Brevibacterium属微生物
・Corynebacterium属微生物
・Hafnia属微生物
・Nocardioides属微生物
・Rhizobium属微生物
・Streptomyces属微生物。
3-ヒドロキシアジピン酸の生産能を有するAlcaligenes属微生物の具体例としては、Alcaligenes faecalisが挙げられる。Alcaligenes属微生物が代謝経路を利用して3-ヒドロキシアジピン酸を製造しうるメカニズムについても明らかではないが、Alcaligenes属はフェノール類化合物含有排水の浄化に利用されていることもあり(特開2016-41392参照)、物質生産に一般的に利用される微生物とは異なった複雑な代謝経路を有し、該代謝経路に基づき3-ヒドロキシアジピン酸を生成することが推定される。
後述の実施例の分析に用いた3-ヒドロキシアジピン酸は化学合成により準備した。
1H-NMR(400MHz、CD3OD):δ1.70(m、1H)、δ1.83(m、1H)、δ2.42(m、4H)、δ4.01(m、1H)。
微生物培養
表1に示した微生物(いずれの微生物も微生物分与機関より購入。購入先は株名に記載。)の3-ヒドロキシアジピン酸の生産能を調べた。トリプトン10g/L、酵母エキス5g/L、塩化ナトリウム5g/L、アジピン酸0.5g/L、pH7からなる培地5mLに、それぞれの微生物を一白金耳植菌し、十分懸濁するまで30℃で振とう培養した(前培養)。その培養液に10mLの0.9%塩化ナトリウムを加え、菌体を遠心分離したのち上清を完全に取り除くことで菌体を洗浄する操作を3回行ったのち、菌体を1mLの0.9%塩化ナトリウムに懸濁した。懸濁液0.5mLを、コハク酸を炭素源とする以下に示した組成の培地5mLに添加し、30℃で20時間振とう培養した(本培養)。本培養液より菌体を遠心分離した上清を、LC-MS/MSにて分析した。
コハク酸20g/L
硫酸アンモニウム2g/L
リン酸カリウム100mM
硫酸マグネシウム0.05g/L
硫酸鉄0.125mg/L
硫酸マンガン5.4mg/L
塩化カルシウム0.66mg/L
酵母エキス0.25g/L
pH6.5。
LC-MS/MSによる3-ヒドロキシアジピン酸の定量分析は以下の条件で行った。
・HPLC:1290Infinity(Agilent Technologies社製)
カラム:Synergi hydro-RP(Phenomenex社製)、長さ100mm、内径3mm、粒径2.5μm
移動相:0.1%ギ酸水溶液/メタノール=70/30
流速:0.3mL/分
カラム温度:40℃
LC検出器:DAD(210nm)
・MS/MS:Triple-Quad LC/MS(Agilent Technologies社製)
イオン化法:ESI ネガティブモード。
実施例1で3-ヒドロキシアジピン酸の生産能を有する微生物であることが確認できたCupriavidus metallidurans NBRC101272を、LB培地5mLに一白金耳植菌し、十分懸濁するまで30℃で振とう培養した(前々培養)。前々培養液2mLをトリプトン10g/L、酵母エキス5g/L、塩化ナトリウム5g/L、アジピン酸0.5g/L、pH7からなる培地100mLに添加し、十分懸濁するまで30℃で振とう培養した(前培養)。前培養液を200mLの0.9%塩化ナトリウムで実施例1と同様に3回洗浄したのち、菌体を10mLの0.9%塩化ナトリウムに懸濁した。懸濁液10mLを実施例1と同様のコハク酸を炭素源とする本培養の培地100mLに添加し、30℃で20時間振とう培養した(本培養)。本培養液より菌体を遠心分離した上清を、実施例1と同様にLC-MS/MSにて分析した結果、培養上清中に蓄積した3-ヒドロキシアジピン酸の濃度は18mg/Lであった。
カラム:Synergi hydro-RP(Phenomenex社製)、長さ250mm、内径10mm、粒径4μm
移動相:5mM ギ酸水溶液/アセトニトリル=98/2
流速:4mL/分
注入量:1mL
カラム温度:45℃
検出器:UV-VIS(210nm)
分取装置:FC204(Gilson社製)。
表2に示した微生物の3-ヒドロキシアジピン酸の生産能を確認するべく、実施例1と同様の条件で微生物培養し、3-ヒドロキシアジピン酸の定量分析をした結果、培養上清中に3-ヒドロキシアジピン酸は検出されなかった。
表1に示した微生物を、コハク酸を含まない組成の培地を用いた他は実施例1と同様の条件で培養し、3-ヒドロキシアジピン酸の定量分析をした結果、培養上清中に3-ヒドロキシアジピン酸は検出されなかった。本結果より、実施例1で定量できた3-ヒドロキシアジピン酸はコハク酸が微生物により代謝された結果生成したものであることを確認できた。
表3に示した微生物(いずれも微生物分与機関より購入。購入先は株名に記載。)を対象に、誘導物質として、前培養培地にフェルラ酸、p-クマル酸、安息香酸、cis,cis-ムコン酸、プロトカテク酸およびカテコールをそれぞれ2.5mMとなるように添加した以外は実施例1と同様の条件で前培養および菌体洗浄を行った。洗浄後の懸濁液0.5mLを以下に示した組成の培地5mLに添加し、30℃で48時間振とう培養した。
グルコース10g/L
グリセロール10g/L
硫酸アンモニウム1g/L
リン酸カリウム50mM
硫酸マグネシウム0.025g/L
硫酸鉄0.0625mg/L
硫酸マンガン2.7mg/L
塩化カルシウム0.33mg/L
塩化ナトリウム1.25g/L
Bactoトリプトン2.5g/L
酵母エキス1.25g/L
pH6.5。
表4に示した微生物を対象に、実施例3で用いた誘導物質を添加しなかった以外は実施例3と同様の条件で前培養および菌体洗浄を行った。洗浄後の懸濁液0.5mLを以下に示した組成の培地5mLに添加し、30℃で48時間振とう培養した。
グルコース10g/L
硫酸アンモニウム1g/L
リン酸カリウム50mM
硫酸マグネシウム0.025g/L
硫酸鉄0.0625mg/L
硫酸マンガン2.7mg/L
塩化カルシウム0.33mg/L
塩化ナトリウム1.25g/L
Bactoトリプトン2.5g/L
酵母エキス1.25g/L
pH6.5。
培養上清中の3-ヒドロキシアジピン酸の定量分析をした結果をそれぞれ表4に示す。
これらの結果から、表4に示した微生物は誘導物質を添加せずに前培養を行った場合でも3-ヒドロキシアジピン酸の生産能を有することを確認することができた。
表5に示した微生物を対象に、実施例3で誘導物質として前培養培地に添加した物質の中から、p-クマル酸又はフェルラ酸をそれぞれ0.5mMとなるように添加した以外は実施例4と同様の条件で前培養および菌体洗浄を行った。洗浄後の懸濁液0.5mLを以下に示した組成の培地5mLに添加し、30℃で48時間振とう培養した。培養上清中の3-ヒドロキシアジピン酸の定量分析をした結果をそれぞれ表5に示す。これらの結果から、p-クマル酸又はフェルラ酸のみを誘導物質として前培養培地に添加した場合でも、添加しなかった場合と比べて、3-ヒドロキシアジピン酸の生産量が向上することがわかった。
Claims (19)
- Escherichia属微生物、Pseudomonas属微生物、Hafnia属微生物、Corynebacterium属微生物、Bacillus属微生物、Streptomyces属微生物、Cupriavidus属微生物、Acinetobacter属微生物、Alcaligenes属微生物、Nocardioides属微生物、Brevibacterium属微生物、Delftia属微生物、Shimwellia属微生物、Aerobacter属微生物およびRhizobium属微生物からなる群から選択される、3-ヒドロキシアジピン酸の生産能を有する少なくとも1種類の微生物を培養する工程を含む、3-ヒドロキシアジピン酸の製造方法。
- 前記微生物が、Cupriavidus属微生物、Acinetobacter属微生物、Delftia属微生物、Shimwellia属微生物、Escherichia属微生物およびPseudomonas属微生物からなる群から選択される少なくとも1種である請求項1記載の方法。
- 前記Escherichia属微生物が、Escherichia fergusoniiまたはEscherichia coliである、請求項1又は2記載の方法。
- 前記Psuedomonas属微生物が、Pseudomonas chlororaphis、Pseudomonas putida、Pseudomonas azotoformansまたはPseudomonas chlororaphis subsp. aureofaciensである、請求項1又は2記載の方法。
- 前記Hafnia属微生物が、Hafnia alveiである、請求項1記載の方法。
- 前記Corynebacterium属微生物が、Corynebacteriumacetoacidophilum、Corynebacterium acetoglutamicum、Corynebacterium ammoniagenesまたはCorynebacterium glutamicumである、請求項1記載の方法。
- 前記Bacillus属微生物が、Bacillus badius、Bacillus magateriumまたはBacillus roseusである、請求項1記載の方法。
- 前記Streptomyces属微生物が、Streptomyces vinaceus、Streptomyces karnatakensisまたはStreptomyces olivaceusである、請求項1記載の方法。
- 前記Cupriavidus属微生物が、Cupriavidus metallidurans、Cupriavidus necatorまたはCupriavidus oxalaticusである、請求項1又は2記載の方法。
- 前記Acinetobacter属微生物が、Acinetobacter baylyiまたはAcinetobacter radioresistensである、請求項1又は2記載の方法。
- 前記Alcaligenes属微生物が、Alcaligenes faecalisである、請求項1又は2記載の方法。
- 前記Nocardioides属微生物が、Nocardioides albusである、請求項1記載の方法。
- 前記Brevibacterium属微生物が、Brevibacterium iodinumである、請求項1記載の方法。
- 前記Delftia属微生物が、Delftia acidovoransである、請求項1又は2記載の方法。
- 前記Shimwellia属微生物が、Shimwellia blattaeである、請求項1又は2記載の方法。
- 前記Aerobacter属微生物が、Aerobacter cloacaeである、請求項1記載の方法。
- 前記Rhizobium属微生物が、Rhizobium radiobacterである、請求項1記載の方法。
- 前記微生物を培養する培地が、糖類、コハク酸、2-オキソグルタル酸およびグリセロールからなる群から、選択される少なくとも1種の炭素源を含む、請求項1~17のいずれか1項に記載の方法。
- 前記微生物を、フェルラ酸、p-クマル酸、安息香酸、cis,cis-ムコン酸、プロトカテク酸およびカテコールからなる群から選択される少なくとも1種の誘導物質を含む培地で培養する、請求項1~18のいずれか1項に記載の方法。
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| EP16807562.0A EP3309258B1 (en) | 2015-06-10 | 2016-06-09 | Method for producing 3-hydroxyadipic acid |
| US15/580,338 US10858677B2 (en) | 2015-06-10 | 2016-06-09 | Method for producing 3-hydroxyadipic acid |
| CA2988696A CA2988696A1 (en) | 2015-06-10 | 2016-06-09 | Method for producing 3-hydroxyadipic acid |
| JP2016540054A JP6907538B2 (ja) | 2015-06-10 | 2016-06-09 | 3−ヒドロキシアジピン酸の製造方法 |
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| WO2017209102A1 (ja) * | 2016-05-31 | 2017-12-07 | 東レ株式会社 | 3-ヒドロキシアジピン酸の製造方法 |
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| WO2019107516A1 (ja) | 2017-11-30 | 2019-06-06 | 東レ株式会社 | 3-ヒドロキシアジピン酸、α-ヒドロムコン酸および/またはアジピン酸を生産するための遺伝子改変微生物および当該化学品の製造方法 |
| WO2020175420A1 (ja) | 2019-02-26 | 2020-09-03 | 東レ株式会社 | α,β-不飽和ジカルボン酸エステルの製造方法 |
| JPWO2020196459A1 (ja) * | 2019-03-25 | 2020-10-01 | ||
| WO2020230718A1 (ja) | 2019-05-10 | 2020-11-19 | 東レ株式会社 | 3-ヒドロキシアジピン酸、α-ヒドロムコン酸および/またはアジピン酸を生産するための遺伝子改変微生物および当該化学品の製造方法 |
| JPWO2020230719A1 (ja) * | 2019-05-10 | 2020-11-19 | ||
| CN114437963A (zh) * | 2021-12-27 | 2022-05-06 | 四川盈嘉合生科技有限公司 | 橄榄链霉菌及其在生物合成香兰素中的应用 |
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| CN114437963A (zh) * | 2021-12-27 | 2022-05-06 | 四川盈嘉合生科技有限公司 | 橄榄链霉菌及其在生物合成香兰素中的应用 |
| CN114437963B (zh) * | 2021-12-27 | 2023-08-22 | 四川盈嘉合生科技有限公司 | 橄榄链霉菌及其在生物合成香兰素中的应用 |
Also Published As
| Publication number | Publication date |
|---|---|
| EP3309258A4 (en) | 2019-01-23 |
| EP3309258B1 (en) | 2020-06-03 |
| CA2988696A1 (en) | 2016-12-15 |
| JP6907538B2 (ja) | 2021-07-21 |
| CN107636157A (zh) | 2018-01-26 |
| EP3309258A1 (en) | 2018-04-18 |
| US20180142271A1 (en) | 2018-05-24 |
| US10858677B2 (en) | 2020-12-08 |
| CN107636157B (zh) | 2021-10-26 |
| JPWO2016199856A1 (ja) | 2018-04-05 |
| BR112017026281A2 (ja) | 2018-09-11 |
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