WO2002040682A1 - Procede servant a preparer un coenzyme q¿10? - Google Patents
Procede servant a preparer un coenzyme q¿10? Download PDFInfo
- Publication number
- WO2002040682A1 WO2002040682A1 PCT/JP2001/010119 JP0110119W WO0240682A1 WO 2002040682 A1 WO2002040682 A1 WO 2002040682A1 JP 0110119 W JP0110119 W JP 0110119W WO 0240682 A1 WO0240682 A1 WO 0240682A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- dna
- seq
- protein
- expression vector
- transformant
- Prior art date
Links
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
- C12N9/00—Enzymes; Proenzymes; Compositions thereof; Processes for preparing, activating, inhibiting, separating or purifying enzymes
- C12N9/10—Transferases (2.)
- C12N9/1085—Transferases (2.) transferring alkyl or aryl groups other than methyl groups (2.5)
-
- 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
- C12P7/66—Preparation of oxygen-containing organic compounds containing the quinoid structure
Definitions
- the present invention relates to Coenzyme which is used as a medicine or the like.
- Coenzyme which is used as a medicine or the like.
- apart Koenzai arm Q 0 side chain synthase is a key enzyme for the biosynthesis of Koenzaimu Q 10, namely from the fungi belonging to gene encoding decaprenyl diphosphate synthase Rh Odotorula genus single, which host It relates to a method for generating a Koenzaimu Q 10 by introducing the microorganism.
- Koenzim Qe Is known to be produced by a very wide range of organisms, from microorganisms such as bacteria and yeasts to higher plants and animals, but the most effective method is to cultivate microorganisms and extract this substance from the cells. This is considered to be a manufacturing method and is used in actual industrial production. However, these methods cannot be said to have good productivity, for example, the production amount is small and the operation is complicated.
- kenzaim. Is produced by a multi-step complex reaction involving many enzymes. Its biosynthetic pathway, although in prokaryotes and eukaryotes are different part, all three steps significantly also basically, i.e., a decaprenyl diphosphate comprising the original prenyl side chains of Koe Nzaimu Q 10
- the whole biosynthesis reaction is rate-determining, and Koenzim says.
- the reaction that determines the length of the side chain ie, the reaction of decaprenyl diphosphate synthase, is considered to be the most important reaction.
- decaprenyl 2 has been obtained from several types of microorganisms, such as S chizosachar omy cespo mbe (special
- S chizosachar omy cespo mbe special
- luconobactersuboxydans special 10 — 5 7 0 7 2
- the gene for the phosphate synthase has been isolated, these microorganisms originally did not have sufficient productivity for Coenzyme Q 1 (3 , and these microorganisms did not allow efficient cultivation or separation and purification. Therefore, it has been desired to further isolate the present enzyme gene derived from a microorganism that highly produces Coenzyme.
- the inventors of the present invention have adopted a consensus. Studies were conducted to isolate the gene for decaprenyl diphosphate synthase from fungi belonging to the genus Rhodotoru1a which produces relatively large amounts of, and the gene was successfully isolated. Further studies were conducted to increase the expression of the gene. Has been successfully improved to a gene that expresses a larger amount, and the present invention has been completed.
- the present invention provides the following DNA of (a), (b) or (c): (a) DNA having a base sequence as set forth in SEQ ID NO: 1
- the present invention also relates to DNA having improved expression in prokaryotes, that is, DNA of the following (d), (e) or (f):
- the present invention also relates to DNA having improved expression in prokaryotes, that is, a DNA of the following (k), (1) or (m):
- the present invention also provides a protein of the following (g) or (h):
- the present invention is also a protein of the following (i) or (j) ′:
- (j) a protein comprising an amino acid sequence in which one or several amino acids have been deleted, added, inserted, or Z- or substituted in the amino acid sequence shown in SEQ ID NO: 4, and having decaprenyl diphosphate synthase activity .
- the present invention is also a protein of the following (n) or (o):
- a protein comprising an amino acid sequence in which one or several amino acids have been deleted, added, inserted, or substituted in the amino acid sequence shown in SEQ ID NO: 6, and which has decaprenyl diphosphate synthase activity.
- the present invention is also a DNA encoding the above-mentioned proteins (g) to (; i).
- the present invention is also an expression vector obtained by incorporating the above DNA into a vector.
- the present invention also provides a transformant obtained by transforming a host microorganism with the above DNA or expression vector.
- the present invention also provides a DNA encoding the protein of the above (n) or (o).
- the present invention is also an expression vector obtained by incorporating the above DNA into a vector.
- the present invention is also a transformant obtained by transforming a host microorganism with the above DNA or expression vector.
- the present invention further comprises culturing the above transformant in a medium, and
- the Q 10 produced and accumulated consists of collecting the, Koenzaimu. It is also a manufacturing method. Detailed Disclosure of the Invention
- the present inventors Koenzim. Have been studied to isolate this enzyme gene from fungi belonging to the genus Rhodotoru 1a, which produces relatively large amounts of After all, the gene fragment was successfully obtained by the PCR method.
- primers DP S-1 (5'-AAGGATCCTNYTNC AYGA YGAYGT-3 '.)
- DP S-11 AS 5'-ARYTGNADRAA YTCNCC-3' (In the sequence shown here, R indicates A or G, Y indicates C or T, and ⁇ indicates G, A, T or C.)
- PCR was performed at 94 ° C for 3 minutes. After heat treatment 94.
- Rhodotoru 1 aminuta I FO 0387 a fungus belonging to the genus Rhodotoru 1a.
- Analysis of the nucleotide sequence of the gene revealed that a fragment of about 220 bp of the gene was amplified.
- the chromosomal gene of RhodortixlAminutaIFO0387 was cut with a restriction enzyme EcoRI and inserted into a lambda phage vector to prepare a recombinant phage library. After transferring the plaque to a nylon membrane and performing plaque hybridization using the labeled PCR fragment, a clone having the full-length decaprenyl diphosphate synthase gene could be obtained.
- nucleotide sequence of the decaprenyl diphosphate synthase gene contained in the obtained clone was determined, it was found that the nucleotide sequence had the sequence shown in SEQ ID NO: 1 in the sequence listing.
- amino acid sequence In the amino acid sequence described in SEQ ID NO: 2 in the sequence listing, a sequence characteristic of a gene for decaprenyl diphosphate synthase was found.
- the gene for decaprenyl diphosphate synthase is expressed and functions in mitochondria, so the sequence at the amino acid terminal side of this gene sequence contains a sequence that localizes to mitochondria. It is thought to exist. Therefore, this gene We thought that it would be necessary to identify and eliminate sequences that are not essential for prokaryotes in order to function more effectively in eukaryotes. As a result of repeated investigations on the amino acid terminal side of the gene sequence, it was confirmed that the gene described in SEQ ID NO: 3 was used. It became possible to produce large quantities of.
- the amino acid sequence predicted from the DNA sequence shown in SEQ ID NO: 3 is shown in SEQ ID NO: 4 in the sequence listing.
- the DNA of the present invention may be a DNA whose base sequence is the one shown in SEQ ID NO: 1 or SEQ ID NO: 3, or one or several bases in the base sequence shown in SEQ ID NO: 1 or SEQ ID NO: 3. May have a base sequence of deleted, added, inserted and / or substituted, and may be a DNA encoding a protein having decaprenyl diphosphate synthase activity, or represented by SEQ ID NO: 1 or SEQ ID NO: 3. It may be a DNA that hybridizes with a DNA consisting of a base sequence under stringent conditions and encodes a protein having decaprenyl diphosphate synthase activity.
- the DNA encoding the protein consisting of the amino acid sequence shown in SEQ ID NO: 2 or SEQ ID NO: 4 has the sequence There are many other than the DNA consisting of the nucleotide sequence shown in SEQ ID NO: 1 or SEQ ID NO: 3. Therefore, the DNA of the present invention also includes a DNA encoding a protein consisting of the amino acid sequence shown in SEQ ID NO: 2 or SEQ ID NO: 4.
- the DNA of the present invention may be a DNA whose base sequence is as set forth in SEQ ID NO: 5, or may have one or several bases deleted, added, inserted and Z or It may be a DNA encoding a protein having a substituted base sequence and having decaprenyl diphosphate synthase activity, or hybridizing with a DNA consisting of the base sequence shown in SEQ ID NO: 5 under stringent conditions, and It may be a DNA encoding a protein having decaprenyl diphosphate synthase activity.
- a protein consisting of the amino acid sequence shown in SEQ ID NO: 6 is encoded.
- the DNA of the present invention also includes DNA encoding a protein consisting of the amino acid sequence represented by SEQ ID NO: 6.
- a base sequence in which one or several bases have been deleted, added, inserted, or Z-substituted means a protein nucleic acid enzyme extra gene amplification PCR method TAKKAJ 35 (17), 295 1 -31 78 (1990) or Henry A. Er 1 ich, edited by Ikuyuki Kato, PCR Technology (1990), etc., in such a number as can be deleted, added, inserted and / or substituted by a method well known to those skilled in the art. It means a nucleotide sequence in which a base is deleted, added, inserted, or substituted.
- a person skilled in the art can carry out the hybridization according to the method described in Molecular Cloning 2 nd E dt. (Cold Spring Harbor La boratry Press, 1989). The target DNA can be easily obtained.
- a protein having a decabrenyl diphosphate synthase activity refers to 10% or more, and preferably 40% or more of the protein having the amino acid sequence shown in SEQ ID NO: 2, SEQ ID NO: 4, or SEQ ID NO: 6. It refers to a protein having the ability to synthesize decaprenyl diphosphate with a yield of above, more preferably 60% or more, and even more preferably 80% or more.
- the protein of the present invention has the amino acid sequence of SEQ ID NO: 2, SEQ ID NO: 4, or SEQ ID NO: No. 6 or one or several amino acids in the amino acid sequence shown in SEQ ID NO: 2, SEQ ID NO: 4, or SEQ ID NO: 6, in which deletion, addition, insertion and / or Alternatively, it may be a protein consisting of a substituted amino acid sequence and having decaprenyl diphosphate synthase activity.
- amino acid sequence in which one or several amino acids have been deleted, added, inserted and / or substituted may be obtained by deleting, adding, or removing an amino acid by a method well known to those skilled in the art such as a partially specific mutagenesis method. It can be obtained by inserting and Z or substituting. Specifically, it is described in literatures such as Nucleic Acids Res. 10, 6487 (1 982) and Methods En Enzymo 1 ogy 100, 448 (1983).
- decaprenyl diphosphate synthase gene In order to express the decaprenyl diphosphate synthase gene, it is necessary to connect the gene downstream of an appropriate promoter.For example, a DNA fragment containing the gene is cut out with a restriction enzyme, or the enzyme is amplified by PCR.
- An expression vector can be obtained by, for example, amplifying only the gene portion to be encoded and then inserting it into a vector having a promoter.
- the expression vector incorporating a DNA encoding a protein having decaprenyl diphosphate synthase activity is not particularly limited.
- a vector obtained by incorporating an appropriate promoter into a plasmid derived from Escherichia coli can be used.
- E. coli-derived plasmids include, for example, pBR322, pBR325, pUC19, pUC119, and the like.
- promoters include, for example, T7 promoter, trp promoter, tac promoter, lac promoter, XPL promoter and the like.
- p GEX- 2 T s pGEX- 3T p GEX- 3 X ( manufactured by Pharmacia Co.)
- p B luescriptl I N pUC 19 pUC 18 ( manufactured by Toyobo Co., Ltd.)
- pMALC2, pET-3T pUCNT (described in WO 94/03613) and the like
- UCNT is preferably used.
- the expression vector pUCRm2 can be prepared by inserting a DNA consisting of the nucleotide sequence shown in SEQ ID NO: 5 into an expression vector: UC18.
- the expression vector of the enzyme gene is introduced into an appropriate microorganism, thereby obtaining a congener. It can be used for production.
- the host microorganism is not particularly limited, and Escherichichaiacoli is preferably used. There is no particular limitation on Escherierchiacoli, and examples include XL1-BLue, BL_21, JMl09, NM522, DH5a, HB101, DH5, pUC18, and the like. Of these, Escherichiacoli HB101 and ⁇ UC18 are preferably used.
- the expression vector pNTRm2, pNTRm6 or pUCRm3 of the decaprenyl diphosphate synthase gene is introduced into E.
- E. coli Koenzyme which Escherichia coli does not naturally produce. Can be converted to produce large quantities of E. coli into which pNTRm2 has been introduced is E. coli HB101 (pNTRm2) F ERM BP—7333, and E. coli into which NTRm6 has been introduced is E. coli HB101 (p NTRm6) F ERM BP—7332, and E. coli transfected with p UCRm 3 as E. coli DH5a (p UCRm 3) FERM BP—7638, respectively. Place Deposited at the Patent Organism Depositary (Tsukuba-Higashi 1-chome, 1-Chome, Central No. 6), Ibaraki Prefecture, based on the Budapest Treaty.
- the transformant obtained in the present invention a conventional method, by culturing in a medium, and collecting the Koenzaimu Q 10 from culture, can be produced Koenzaimu Q 10.
- the host microorganism is Escherichiacoli
- LB medium or M9 medium containing glucose or casamino acid can be used as the medium.
- an agent such as, for example, isopropylthiogalactosidindinyl-13-acrylic acid may be added to the medium.
- culture For example, the reaction is carried out at 37 ° C. for 17 to 24 hours. At this time, if necessary, ventilation or stirring may be performed.
- the obtained condensate is carried out at 37 ° C. for 17 to 24 hours.
- Known separation and purification methods include methods using solubility such as salting out and solvent precipitation, dialysis, ultrafiltration, gel filtration, and (SDS-) polyacrylamide gel electrophoresis. Methods that use differences in molecular weight, methods that use differences in charges such as ion-exchange chromatography, methods that use specific affinity such as affinity chromatography, methods that use reversed-phase high-performance liquid chromatography, and others. Examples thereof include a method using a difference in hydrophobicity, a method using a difference in isoelectric point such as isoelectric focusing electrophoresis, and the like.
- Coenzyme Q i0 obtained in the present invention is not particularly limited, and it can be suitably used for pharmaceuticals and the like.
- FIG. 1 is a restriction map of the expression vector pNTRm2.
- FIG. 2 is a restriction map of the expression vector pNTRm6.
- FIG. 3 is an HPLC analysis chart of a host and a transformant product.
- FIG. 4 is a restriction map of the expression vector pUCRm3.
- FIG. 5 is a HPLC analysis chart of the host and the transformant product of the expression vector p UCRm3. BEST MODE FOR CARRYING OUT THE INVENTION
- Rh odotorulami nu ta I FO 0387 was prepared by the method of CS Hoffman et al. (Gene, 57 (1987) 267-272). ).
- Primers DPS-1 (5'-AAGGATCCTNYTNCAYG AYGAYGT-3,) and DPS-I 1 AS (5,1-ARYTGNADRA AYTCNCC-3 ') used for PCR based on homology with known long-chain prenyl diphosphate synthase genes ) was designed.
- R indicates A or G
- Y indicates C or T
- ⁇ indicates G, A ', T or C. With these.
- the obtained fragment of about 220 bp was excised from the gel and purified using a DNA extraction kit (Sephaglas (trademark) Brand Prep Kit, manufactured by Amersham Fanore Masia Biotech), followed by PCR product direct cloning.
- a DNA extraction kit Sephaglas (trademark) Brand Prep Kit, manufactured by Amersham Fanore Masia Biotech
- PCR product direct cloning Using an E. coli kit (pT7BlueT-Vector Kit, NOV AGEN), the vector was cloned into an E. coli expression vector to obtain pT7-RmDPS.
- DNA sequence using DNA sequencer (Type 377, manufactured by PerkinElmer) V ⁇ DNA sequence kit (manufactured by PerkinElmer, AB IPRIS M (trademark) Big Dye (trademark) Te
- the reaction was performed using rm inator Cycle Sequence R e dy R eaction Kit It Wi s Authi Taq (registered trademark) DNA po1ymerase, FS) according to the instruction manual, and the sequence was determined.
- a sequence represented by the nucleotide sequence from 823 to 1029 of SEQ ID NO: 1 in the sequence listing was obtained.
- Rh odotorulami nu ta IFO 0387 has a 220 bp DNA fragment which seems to be the decapreninole 2 phosphate synthase gene! ) T7- RmDP S vector DNA0. 03 / zg using primers for P CR Rm- 1 S (5 5 PCR (94 ° C, 3 minutes ⁇ (94 ° C, 30 seconds ⁇ 55) using -GCCATGAGGAGAGCACAAGCG- 3 'sequence) and Rm-2AS (5'-CACGGAGGCTACTAGCTCGAC- 3' sequence) ° ⁇ , 30 seconds ⁇ 72 ° C, 1 minute) X 25 cycles repeated ⁇ 72 ° C, 5 minutes ⁇ 4 ° C), and gel electrophoresis with 1.2% agarose (Takara Shuzo) The 145 bp fragment was excised from the gel and purified using a DNA extraction kit (Sephaglas (trademark) Brand Prep Kit, manufactured by Amersham Pharmacia Biotech
- Rhodotorulminuta IF ⁇ 0387 The chromosomal DNA of Rhodotorulminuta IF ⁇ 0387 was cut with the restriction enzyme EcoRI, and electrophoresed on a 0.8% agarose gel. The gel was denatured with alkali (0.5 M NaOH, 1.5 M NaCl), neutralized (0.5 M Tris ⁇ HC1 (pH 7.5), 1.5 M NaCl), A high bond N + filter (manufactured by Amersham) was overlaid on the gel, and subjected to Southern transfer using 20 XS SC. The filter was dried, baked at 80 ° C for 2 hours, and then subjected to Southern hybridization and detection using an ECL direct nucleic acid labeling / detection system (manufactured by Amersham Pharmacia Biotech).
- alkali 0.5 M NaOH, 1.5 M NaCl
- neutralized 0.5 M Tris ⁇ HC1 (pH 7.5), 1.5 M NaCl
- a high bond N + filter manufactured by
- pre-hybridization was performed for 1 hour at 42 ° C. using a gold hybridization solution (manufactured by Amersham Almasia Biotech). Heat the chemiluminescent-labeled probe at 95 ° C for 5 minutes, quench in ice, and add to the prehybridized solution of the prehybridized filter. Hybridized at C for 22 hours. The filter was washed twice with a 0.5 X SSC solution containing 6 M urea and 0.4% SDS at 42 ° C for 20 minutes, and then twice with a 2 X SSC solution at room temperature for 5 minutes twice.
- the chromosome DNA of Rhodotorulaminuta I FO 0387 was cut with the restriction enzyme EcoRI, gel electrophoresis was performed with 0.8% agarose, and a DNA fragment of about 5.5 kbp was cut out from the gel and purified. DNA fragments used for cloning were prepared. This DNA fragment was incorporated into the EcoRI site of the phage using an I-ZAP II phage kit (Strategene) and packaged with an in vitro packaging kit (Amersham). Then, E.
- NZY flat plate medium 5 gZL N a C l, 2 g / L Mg S0 4 - 7H 2 0 5 g / L yeast extract, 10 g / Plaques were formed by overlaying LNZammin, 18 g / L agar, pH 7.5) with NZY soft agar medium (8 g / L for NZY plate agar only). This was transferred to Hybond N + filter 1 (Amersham), modified with alkali (0.5M NaOH, 1.5M NaC1), and then neutralized (0.5M Tris ⁇ HC1 (pH7. 5), 1.5M NaCl), dried and baked at 80 ° C for 2 hours.
- NZY flat plate medium 5 gZL N a C l, 2 g / L Mg S0 4 - 7H 2 0 5 g / L yeast extract, 10 g / Plaques were formed by overlaying LNZammin, 18 g / L agar, pH 7.5) with N
- Example 3 Using six filters after baking, prehybridization and hybridization using a chemiluminescent-labeled probe were performed in the same manner as in Example 3, and the filters were washed. After the filter was dried, it was exposed to X-ray film in close contact with it, and phage plaques corresponding to black spots were separated. The phage of the separated plaque was infected with Escherichia coli in the same manner as described above to make a black, and the resultant was transferred to a filter and subjected to hybridization again. After confirmation, seven strains of phage could be selected. '
- This phage suspension was infected with E. coli SOLR in a L-ZAP II phage kit (Strategene) together with helper phage to prepare phagemid in vitro.
- the above-mentioned dimide contains an inserted fragment of about 5.5 kb P and was subjected to PCR using primers Rm-1S and Rm-2AS to obtain 145 b p DNA fragment was detected.
- the DNA sequence was determined using DNA Sequencer (Type 377, manufactured by PerkinElmer) and DNA Sequence Kit (PerkinElmer), ABIPRI SM (TM) BigDye (TM) Terminator Cyclic Sequence Sequence R eaction Kit It With Amp T aq (TM) DNA pol ymerase, FS)
- the reaction was performed according to the instruction manual to determine the sequence.
- the sequence of the decaprenyl diphosphate synthase gene of Rhodotoru 1 aminta IF ⁇ 0387 was revealed by repeatedly creating a brainer based on the sequence revealed by sequencing and sequencing the rest. I was able to.
- the nucleotide sequence of about 1.6 kbp DNA was determined, and the result is shown in SEQ ID NO: 1 in the sequence listing.
- the amino acid sequence predicted from this DNA sequence is shown in SEQ ID NO: 2. (Example 5)
- Increased expression vector pNTRm2 of the prepared decaprenyl diphosphate synthase gene Enterobacteriaceae were introduced into HB101, cultured in 1 OmL LB medium at 37 ° C with shaking, and the bacteria were collected by centrifugation (3000 rpm, 20 minutes).
- the cells were suspended in 1 mL of a 3% aqueous solution of sulfuric acid, heat-treated at 120 ° (:, 30 minutes, then added with 2 mL of a 14% aqueous sodium hydroxide solution, and further heat-treated at 120 ° C for 15 minutes.
- 3 mL of hexane 'isopropanol (10: 2) was added to the treated solution and extracted. After centrifugation, 1.5 mL of the organic solvent layer was separated, and the solvent was evaporated under reduced pressure.
- E. coli HB101 The obtained recombinant Escherichia coli strain E. coli HB101 (pNTRm2) was obtained from the National Institute of Advanced Industrial Science and Technology, Patent Organism Depositary (Tsukuba-Higashi 1-1, Ibaraki Pref. Deposited on October 19, 2012 (Accession No. FERM BP-7333).
- PCR was carried out in the same manner as in Example 2 using the ACAG—3 'sequence. After amplifying a 1.3 Kbp fragment, the fragment was cut with restriction enzymes NdeI and NheI to obtain a fragment. Prepare a 600 bp fragment and digest: NTR m2 with restriction enzymes NdeI and NheI. The resulting fragment was recombined to produce pNTRmS sp.
- RM-1 having the sequence of 5'-AT CATATGATGCACCGAC AAGCT-3 '
- RM-6R having the sequence of 5,-ACAATATTGTATTGAG GGCATTCGGGCGACTGC-3'.
- PCR was performed to amplify a fragment of about 100 bp from which the N portion had been deleted.After that, fragments cut with restriction enzymes NdeI and Ss ⁇ I were prepared, and pNTRmSsp was converted to restriction enzymes Nde Recombined with fragments digested with I and SspI; NTRm6 was generated. (Example 8)
- Expression vector of the prepared decaprenyl diphosphate synthase gene; pNTRm6 was introduced into Escherichia coli HB101, and cultured with shaking at 37 ° C in 101111 ⁇ : 6 medium at 37 ° C, and the bacteria were centrifuged (3,000 rpm, 20 minutes).
- the cells were suspended in 1 mL of a 3 ° / 0 sulfuric acid aqueous solution, heat-treated at 120 ° C for 30 minutes, and then added with 2 mL of a 14% aqueous sodium hydroxide solution and further heated at 120 ° C for 15 minutes. Processed. 3 mL of hexane-isopropanol (10: 2) was added to the treated solution and extracted. After centrifugation, 1.5 mL of the organic solvent layer was separated, and the solvent was evaporated under reduced pressure to dryness. did. This was dissolved in ethanol 200 mu L, Part 2 0 L high performance liquid chromatography (manufactured by Shimadzu Corporation, LC- 10 Alpha) were analyzed by.
- the obtained recombinant Escherichia coli strain E. coli HB101 (pNTRm6) was transferred to the Patent Organism Depositary under the National Institute of Advanced Industrial Science and Technology (Deposit No. FERM BP-7332) on October 19, 2012 at (1-1, Higashi 1-chome, Chuo No. 6), Higashi, Tsukuba, Ibaraki Prefecture.
- TGAGCACAG having a 3 ′ sequence
- PCR was performed using NT Rm 2 as a type II. After amplifying a 1.2 Kbp fragment, the restriction enzymes BamHI and Eco The plasmid was digested with RI, and pUC18 was recombined with a fragment digested with restriction enzymes BamHI and EcoRI to prepare pUCRm3.
- the resulting expression vector pUCRra3 for the decaprenyl diphosphate synthase gene is introduced into Escherichia coli DH5 ⁇ , cultured with shaking at 37 ° C in 1 OmL of LB medium, and centrifuged (3,000 rpm, 20 rpm). Minutes).
- the cells were suspended in 1 mL of a 3% aqueous sulfuric acid solution, heat-treated at 120 ° C for 30 minutes, and then added with 2 mL of a 14% aqueous sodium hydroxide solution, and further heat-treated at 120 ° C for 15 minutes.
- 3 mL of hexane 'isopropanol (10: 2) was added to the treatment solution for extraction. After centrifugation, 1.5 mL of the organic solvent layer was separated, and the solvent was evaporated under reduced pressure to dryness. Hardened. This was dissolved in 200 L of ethanol, and 20 L of the solution was analyzed by high performance liquid chromatography (manufactured by Shimadzu Corporation, LC-10A).
- E. coli DH5a (p UCRm3) was obtained from the National Institute of Advanced Industrial Science and Technology, Patent Organism Depositary (Tsukuba East, Ibaraki Pref. No. 6) was deposited on June 22, 2001 (Accession No. F ERM B P_ 7 6 3 8).
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- Zoology (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Health & Medical Sciences (AREA)
- Genetics & Genomics (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Microbiology (AREA)
- General Engineering & Computer Science (AREA)
- Biotechnology (AREA)
- General Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- Medicinal Chemistry (AREA)
- Molecular Biology (AREA)
- Biomedical Technology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Micro-Organisms Or Cultivation Processes Thereof (AREA)
- Enzymes And Modification Thereof (AREA)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA002429458A CA2429458A1 (en) | 2000-11-20 | 2001-11-20 | Process for producing coenzyme q10 |
EP01982863A EP1336657B1 (en) | 2000-11-20 | 2001-11-20 | Process for producing coenzyme q 10 |
JP2002542995A JP4191482B2 (ja) | 2000-11-20 | 2001-11-20 | コエンザイムq10の製造法 |
DE60134567T DE60134567D1 (de) | 2000-11-20 | 2001-11-20 | Verfahren zur herstellung von coenzym q 10 |
US10/416,855 US20040067566A1 (en) | 2000-11-20 | 2001-11-20 | Process for producing coenzyme q10 |
US11/837,179 US20080064074A1 (en) | 2000-11-20 | 2007-08-10 | Process for producing coenzyme q10 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000-352940 | 2000-11-20 | ||
JP2000352940 | 2000-11-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2002040682A1 true WO2002040682A1 (fr) | 2002-05-23 |
Family
ID=18825771
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2001/010119 WO2002040682A1 (fr) | 2000-11-20 | 2001-11-20 | Procede servant a preparer un coenzyme q¿10? |
Country Status (7)
Country | Link |
---|---|
US (2) | US20040067566A1 (ja) |
EP (1) | EP1336657B1 (ja) |
JP (1) | JP4191482B2 (ja) |
AT (1) | ATE399209T1 (ja) |
CA (1) | CA2429458A1 (ja) |
DE (1) | DE60134567D1 (ja) |
WO (1) | WO2002040682A1 (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2003056024A1 (fr) * | 2001-12-27 | 2003-07-10 | Kaneka Corporation | Procedes de production de la co-enzyme q10 |
EP1386964A1 (en) * | 2001-05-11 | 2004-02-04 | Kaneka Corporation | Method of expressing long-chain prenyl diphosphate synthase |
US8952217B2 (en) | 2005-10-14 | 2015-02-10 | Metanomics Gmbh | Process for decreasing verbascose in a plant by expression of a chloroplast-targeted fimD protein |
US9127286B2 (en) | 2009-02-25 | 2015-09-08 | Hitachi Zosen Corporation | Long-chain trans-prenyl diphosphate synthase gene |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002191367A (ja) * | 2000-12-27 | 2002-07-09 | Kanegafuchi Chem Ind Co Ltd | コエンザイムq10の製造法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4220719A (en) * | 1978-03-20 | 1980-09-02 | Ko Aida | Process for the production of Coenzyme Q10 |
EP0812914A2 (en) * | 1996-06-14 | 1997-12-17 | Toyota Jidosha Kabushiki Kaisha | Prenyl diphosphate synthetase genes |
JPH1057072A (ja) * | 1996-08-22 | 1998-03-03 | Alpha- Shokuhin Kk | ユビキノン−10の生成方法 |
JPH11178590A (ja) * | 1997-09-17 | 1999-07-06 | Toyota Motor Corp | デカプレニル二リン酸合成酵素遺伝子 |
US6103488A (en) * | 1997-08-27 | 2000-08-15 | Alpha Foods Co., Ltd. | Method of forming ubiquinone-10 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2547423A1 (de) * | 1975-10-23 | 1977-04-28 | Kabel Metallwerke Ghh | Abstandshalter fuer koaxiale rohrsysteme mit einem zwischen den konzentrisch angeordneten rohren bestehenden temperaturgefaelle |
JPS5771396A (en) * | 1980-10-07 | 1982-05-04 | Univ Nagoya | Preparation of coenzyme q10 |
JP3941998B2 (ja) * | 1999-08-24 | 2007-07-11 | 株式会社カネカ | コエンザイムq10の製造法 |
-
2001
- 2001-11-20 CA CA002429458A patent/CA2429458A1/en not_active Abandoned
- 2001-11-20 EP EP01982863A patent/EP1336657B1/en not_active Expired - Lifetime
- 2001-11-20 US US10/416,855 patent/US20040067566A1/en not_active Abandoned
- 2001-11-20 WO PCT/JP2001/010119 patent/WO2002040682A1/ja active IP Right Grant
- 2001-11-20 DE DE60134567T patent/DE60134567D1/de not_active Expired - Fee Related
- 2001-11-20 AT AT01982863T patent/ATE399209T1/de not_active IP Right Cessation
- 2001-11-20 JP JP2002542995A patent/JP4191482B2/ja not_active Expired - Lifetime
-
2007
- 2007-08-10 US US11/837,179 patent/US20080064074A1/en not_active Abandoned
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4220719A (en) * | 1978-03-20 | 1980-09-02 | Ko Aida | Process for the production of Coenzyme Q10 |
EP0812914A2 (en) * | 1996-06-14 | 1997-12-17 | Toyota Jidosha Kabushiki Kaisha | Prenyl diphosphate synthetase genes |
JPH1057072A (ja) * | 1996-08-22 | 1998-03-03 | Alpha- Shokuhin Kk | ユビキノン−10の生成方法 |
US6103488A (en) * | 1997-08-27 | 2000-08-15 | Alpha Foods Co., Ltd. | Method of forming ubiquinone-10 |
JPH11178590A (ja) * | 1997-09-17 | 1999-07-06 | Toyota Motor Corp | デカプレニル二リン酸合成酵素遺伝子 |
Non-Patent Citations (2)
Title |
---|
M. TADA: "Mechanism of photoregulated carotenogenesis in rhodotorula minuta VI. photocontrol of ubiquinone production", PLANT CELL PHYSIOL., vol. 30, no. 8, 1989, pages 1193 - 1196, XP002909357 * |
T. KOYAMA ET AL.: "Thermostable farnesyl diphosphate synthase of bacillus stearothermophilus: molecular cloning, sequence determination, overproduction and purification", J. BIOCHEM., vol. 113, no. 3, 1993, pages 355 - 363, XP000561783 * |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1386964A1 (en) * | 2001-05-11 | 2004-02-04 | Kaneka Corporation | Method of expressing long-chain prenyl diphosphate synthase |
EP1386964A4 (en) * | 2001-05-11 | 2005-05-04 | Kaneka Corp | EXPRESSION PROCESS FOR LONG-TERM PRENYL DIPHOSPHATE SYNTHASE |
US7402413B2 (en) | 2001-05-11 | 2008-07-22 | Kaneka Corporation | Method of expressing long-chain prenyl diphosphate synthase |
US8163525B2 (en) | 2001-05-11 | 2012-04-24 | Kaneka Corporation | Method of expressing long-chain prenyl diphosphate synthase |
WO2003056024A1 (fr) * | 2001-12-27 | 2003-07-10 | Kaneka Corporation | Procedes de production de la co-enzyme q10 |
US8952217B2 (en) | 2005-10-14 | 2015-02-10 | Metanomics Gmbh | Process for decreasing verbascose in a plant by expression of a chloroplast-targeted fimD protein |
US9127286B2 (en) | 2009-02-25 | 2015-09-08 | Hitachi Zosen Corporation | Long-chain trans-prenyl diphosphate synthase gene |
Also Published As
Publication number | Publication date |
---|---|
DE60134567D1 (de) | 2008-08-07 |
US20040067566A1 (en) | 2004-04-08 |
EP1336657A4 (en) | 2005-07-27 |
EP1336657B1 (en) | 2008-06-25 |
CA2429458A1 (en) | 2002-05-23 |
US20080064074A1 (en) | 2008-03-13 |
EP1336657A1 (en) | 2003-08-20 |
ATE399209T1 (de) | 2008-07-15 |
JPWO2002040682A1 (ja) | 2004-03-25 |
JP4191482B2 (ja) | 2008-12-03 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
Siebert et al. | Ubiquinone biosynthesis Cloning of the genes coding for chorismate pyruvate-lyase and 4-hydroxybenzoate octaprenyl transferase from Escherichia coli | |
JP2007181452A (ja) | デキストラン生成酵素遺伝子、デキストラン生成酵素およびその製造方法、デキストランの製造方法 | |
US20080064074A1 (en) | Process for producing coenzyme q10 | |
JP3941998B2 (ja) | コエンザイムq10の製造法 | |
JP4307609B2 (ja) | コエンザイムq10の製造法 | |
US8163525B2 (en) | Method of expressing long-chain prenyl diphosphate synthase | |
KR20010111574A (ko) | 소르비톨 데하이드로게나제, 그를 코딩하는 유전자 및그의 용도 | |
KR100713103B1 (ko) | 뉴로스포라 크라사 유래 l-카르니틴 생합성 관련 유전자를포함하는 엔테로박테리아세 속 미생물 및 이를 이용한l-카르니틴의 제조방법 | |
US7320883B2 (en) | Process for producing coenzyme Q10 | |
WO2002088365A1 (fr) | Procede de production de coenzyme q¿10? | |
EP1306438B1 (en) | Novel carbonyl reductase, gene thereof and method of using the same | |
WO2005123921A1 (ja) | 新規グリセロール脱水素酵素、その遺伝子、及びその利用法 | |
JP2004267130A (ja) | 新規カルボニル還元酵素及びこれをコードするdna、ならびにこれらを利用した光学活性アルコールの製造方法 | |
CN115232800A (zh) | 一种298位突变的醛酮还原酶突变体及其应用 | |
KR20110046425A (ko) | 신규 리포산 합성효소와 리포산 단백질 리가제를 이용한 알파-리포산의 생산방법 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): CA JP NO US |
|
AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LU MC NL PT SE TR |
|
DFPE | Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101) | ||
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
WWE | Wipo information: entry into national phase |
Ref document number: 2002542995 Country of ref document: JP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2429458 Country of ref document: CA |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2001982863 Country of ref document: EP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 10416855 Country of ref document: US |
|
WWP | Wipo information: published in national office |
Ref document number: 2001982863 Country of ref document: EP |
|
WWG | Wipo information: grant in national office |
Ref document number: 2001982863 Country of ref document: EP |