WO2023219437A1 - 코리네박테리움 글루타미쿰을 이용한 락토-n-테트라오스 및 락토-n-네오테트라오스의 생산 방법 - Google Patents
코리네박테리움 글루타미쿰을 이용한 락토-n-테트라오스 및 락토-n-네오테트라오스의 생산 방법 Download PDFInfo
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- WO2023219437A1 WO2023219437A1 PCT/KR2023/006403 KR2023006403W WO2023219437A1 WO 2023219437 A1 WO2023219437 A1 WO 2023219437A1 KR 2023006403 W KR2023006403 W KR 2023006403W WO 2023219437 A1 WO2023219437 A1 WO 2023219437A1
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Definitions
- the present invention relates to a method for producing lacto-N-tetraose (Lacto-N-tetraose, LNT) and lacto-N-neotetraose (LNnT) using Corynebacterium glutamicum.
- LNT lacto-N-tetraose
- LNnT lacto-N-neotetraose
- genes introduced from outside are expressed within Corynebacterium glutamicum , and the genes that Corynebacterium glutamicum possesses are expressed. It relates to a recombinant Corynebacterium glutamicum transformed to overexpress and a method for producing LNT and LNnT using the same.
- HMOs Human milk oligosaccharides
- breast milk oligosaccharides are oligosaccharides contained in breast milk and are the third most abundant component in breast milk after lactose and fat. There are about 200 different types of breast milk oligosaccharides. Representative examples of breast milk oligosaccharides include 2'-fucosyllactose (2'-FL) and 3-fucosyllactose (3-FL).
- Lacto-N-triose II Lacto-N-tetraose (LNT), Lacto-N-neotetraose (LNnT), Lacto-N-fucopentaose (LNFP), Lacto-N-neofucopentaose, Lacto-N-hexaose (LNH), lacto -N-neohexaose (Lacto-N-neohexaose, LNnH), 6'-galactosylactose, and 3'-galactosylactose.
- breast milk oligosaccharides have various benefits, such as strengthening immune function or having a positive effect on the child's development and behavior, continuous research is needed on technologies for producing various breast milk oligosaccharides.
- technology for producing human milk oligosaccharides using microorganisms has been studied, and among them, recombinant Escherichia coli has been used.
- E. coli is not actually a pathogen, it is strongly recognized by consumers as a harmful bacterium, and because the cell membrane components of E. coli can act as endotoxin, it costs a lot of money to isolate and purify the produced human milk oligosaccharides, and in the case of E.
- lactose permease lactose permease
- lactose permease lactose permease
- LNT lacto-N-tetraose
- LNnT lacto-N-neotetraose
- the present invention relates to a gene encoding lactose permease, a gene encoding beta-1,3-N-acetylglucosaminyltransferase, and a gene encoding beta-1,3-N-acetylglucosaminyltransferase.
- the gene encoding galactosyltransferase ( ⁇ -1,3-galactosyltransferase) is introduced from outside and transformed to express the gene in Corynebacterium glutamicum, and the gene that Corynebacterium itself possesses Gene encoding glutamine-fructose-6-phosphate aminotransferase, gene encoding phosphoglucosamine mutase, glucosamine-1-phosphate N-acetyl Gene encoding transferase (glucosamine-1-phosphate N-acetyltransferase), gene encoding UDP-N-acetylglucosamine pyrophosphorylase, phosphoglucomutase A gene encoding, UTP-glucose-1-phosphate uridylyltransferase, a gene encoding UDP-glucose-4-epimerase Provided is a recombinant Corynebacterium glutamicum, characterized in
- the present invention provides a method for producing lacto-N-tetraose, characterized in that the recombinant Corynebacterium glutamicum is cultured in a medium to which lactose is added. do.
- the medium preferably further contains glucose.
- the present invention relates to a gene encoding lactose permease, a gene encoding beta-1,3-N-acetylglucosaminyltransferase, beta-1,
- a gene encoding 4-galactosyltransferase ( ⁇ -1,4-galactosyltransferase) is introduced from outside and transformed so that the genes are expressed in Corynebacterium glutamicum, and Corynebacterium possesses its own Genes encoding glutamine-fructose-6-phosphate aminotransferase, genes encoding phosphoglucosamine mutase, and glucosamine-1-phosphate N.
- acetyltransferase (glucosamine-1-phosphate N-acetyltransferase), gene encoding UDP-N-acetylglucosamine pyrophosphorylase, phosphoglucomutase ( A gene encoding phosphoglucomutase, a gene encoding UTP-glucose-1-phosphate uridylyltransferase, and a gene encoding UDP-glucose-4-epimerase.
- Corynebacterium glutamicum characterized in that it is transformed to overexpress one or more genes selected from genes encoding epimerase.
- the present invention provides a method for producing lacto-N-neotetraose, characterized in that the recombinant Corynebacterium glutamicum is cultured in a medium to which lactose is added. to provide.
- the medium preferably further contains glucose.
- the present invention uses Corynebacterium glutamicum to produce lacto-N-tetraose (LNT) and lactobacillus with high concentration, high yield, and high productivity while being safer than conventional E. coli.
- -N-neotetraose Lacto-N-neotetraose, LNnT
- LNT lacto-N-tetraose
- Figure 1 is a diagram showing the biosynthesis pathway of lacto-N-tetraose (LNT) in the recombinant Corynebacterium glutamicum strain of the present invention.
- Figure 2 is a diagram showing the biosynthesis pathway of Lacto-N-neotetraose (LNnT) in the recombinant Corynebacterium glutamicum strain of the present invention.
- Figure 3 shows Lacto-N-triose II ( This is a graph comparing the production of Lacto-N-trioseII, LNTII).
- Figure 4 compares the LNT/LNnT production (final production amount) of a recombinant Corynebacterium glutamicum strain prepared to overexpress pgm, galU, and galE of the production pathway of UDP-galactose, a precursor material in the present invention. This is a graph of the results.
- Figure 5 shows the results of confirming the LNT/LNnT production over time of a recombinant Corynebacterium glutamicum strain prepared to overexpress pgm, galU, and galE of the production pathway of UDP-galactose, a precursor material in the present invention. It's a graph.
- breast milk oligosaccharides have various benefits, such as strengthening immune function or having a positive effect on the child's development and behavior
- research is continuously being conducted on technologies for producing various breast milk oligosaccharides.
- technology for producing human milk oligosaccharides using microorganisms has been studied, and there is a high need for producing various human milk oligosaccharides using new microorganisms.
- Corynebacterium glutamicum is used as a host cell to produce Lacto-N-neotetraose (LNnT) and Lacto-N-tetraose (LNT). glutamicum ) was used. Unlike E. coli, which was mainly used in existing research, this is not only a strain recognized as GRAS (generally recognized as safe), but also a strain that is widely used in the industrial production of amino acids and nucleic acids, which are food additives. In addition, E. coli is strongly recognized by consumers as a harmful bacterium, and because the cell membrane components of E.
- Corynebacterium glutamicum used in the present invention can be said to be a safe and suitable strain for the production of food and pharmaceutical materials.
- the present invention provides a gene encoding lactose permease, a gene encoding beta-1,3-N-acetylglucosaminyltransferase, beta-1,3 -A gene encoding galactose transferase ( ⁇ -1,3-galactosyltransferase) is introduced from outside and transformed so that the genes are expressed in Corynebacterium glutamicum, and Corynebacterium possesses its own Gene encoding glutamine-fructose-6-phosphate aminotransferase, gene encoding phosphoglucosamine mutase, glucosamine-1-phosphate N- Gene encoding acetyltransferase (glucosamine-1-phosphate N-acetyltransferase), gene encoding UDP-N-acetylglucosamine pyrophosphorylase, phosphoglucomutase ), a gene encoding UTP-glucose
- the present invention relates to a gene encoding lactose permease, a gene encoding beta-1,3-N-acetylglucosaminyltransferase, beta-1,
- a gene encoding 4-galactosyltransferase ( ⁇ -1,4-galactosyltransferase) is introduced from outside and transformed so that the genes are expressed in Corynebacterium glutamicum, and Corynebacterium possesses its own Genes encoding glutamine-fructose-6-phosphate aminotransferase, genes encoding phosphoglucosamine mutase, and glucosamine-1-phosphate N.
- acetyltransferase (glucosamine-1-phosphate N-acetyltransferase), gene encoding UDP-N-acetylglucosamine pyrophosphorylase, phosphoglucomutase ( A gene encoding phosphoglucomutase, a gene encoding UTP-glucose-1-phosphate uridylyltransferase, and a gene encoding UDP-glucose-4-epimerase.
- Corynebacterium glutamicum characterized in that it is transformed to overexpress one or more genes selected from genes encoding epimerase.
- the present invention provides a method for producing lacto-N-neotetraose, characterized in that the recombinant Corynebacterium glutamicum is cultured in a medium to which lactose is added. to provide.
- LNTII meets another precursor material, UDP-galactose, and at this time, it is mediated by beta-1,3-galactosyltransferase ( ⁇ -1,3-galactosyltransferase, encoded by WbgO).
- beta-1,3-galactosyltransferase ⁇ -1,3-galactosyltransferase, encoded by WbgO
- LNT is produced ( Figure 1), and when beta-1,4-galactosyltransferase ( ⁇ -1,4-galactosyltransferase, encoded by lgtB) is mediated, LNnT is produced ( Figure 2).
- the recombinant Corynebacterium glutamicum of the present invention is transformed to express a gene encoding lactose permease, which is an enzyme involved in transporting lactose present outside the strain into the strain. It is preferable to use one derived from E. coli. An example may be the use of LacY.
- the recombinant Corynebacterium glutamicum of the present invention is transformed to express the gene encoding beta-1,3-N-acetylglucosaminyltransferase (lgtA),
- lgtA beta-1,3-N-acetylglucosaminyltransferase
- it may be from Neisseria meningitidis or Neisseria cinerea. More preferably, those derived from Neisseria meningitidis M98 or Neisseria cinerea ATCC 14685 are used.
- the recombinant Corynebacterium glutamicum of the present invention is transformed to express the gene encoding beta-1,3-N-acetylglucosaminyltransferase for LNT production.
- it may be lgtA, and preferably, it is derived from Neisseria cinerea .
- it is transformed to express the gene encoding beta-1,3-galactosyltransferase.
- it may be WbgO, and preferably, it may be derived from Lutiella nitroferrum . More preferably, it is good to use one derived from Lutiella nitroferrum ATCC BAA-1479.
- the recombinant Corynebacterium glutamicum of the present invention is transformed to express the gene encoding beta-1,3-N-acetylglucosaminyltransferase to produce LNnT.
- the gene encoding beta-1,3-N-acetylglucosaminyltransferase may be lgtA, and preferably, it is derived from Neisseria meningitidis .
- it is transformed to express a gene encoding beta-1,4-galactosyltransferase, for example, it may be lgtB, preferably from Neisseria cinerea . It is good that it originated from
- the recombinant Corynebacterium glutamicum of the present invention contains glutamine-fructose-6-phosphate aminotransferase, a gene possessed by Corynebacterium itself. aminotransferase), a gene encoding phosphoglucosamine mutase, a gene encoding glucosamine-1-phosphate N-acetyltransferase, UDP-N -Gene encoding acetylglucosamine pyrophosphorylase (UDP-N-acetylglucosamine pyrophosphorylase), gene encoding phosphoglucomutase, UTP-glucose-1-phosphate uridylyltransferase (UTP-glucose) It is better to be transformed to overexpress one or more genes selected from the genes encoding -1-phosphate uridylyltransferase and the genes encoding UDP-glucose-4-ep
- the gene encoding the glutamine-fructose-6-phosphate aminotransferase is preferably glmS, and the gene encoding the phosphoglucosamine mutase The gene is preferably glmM.
- the gene encoding the glucosamine-1-phosphate N-acetyltransferase and the UDP-N-acetylglucosamine pyrophosphorylase is preferably glmU, and in this case, glmU is UDP-N-acetylglucosamine pyrophosphorylase/glucosamine-1-phosphate N-acetyltransferase (glucosamine -1-phosphate N-acetyltransferase) is a gene that encodes a bifunctional enzyme (see Figures 1 and 2).
- the gene encoding the phosphoglucomutase is preferably pgm
- the gene encoding the UTP-glucose-1-phosphate uridylyltransferase is preferably galU
- the gene encoding UDP-glucose-4-epimerase is preferably galE.
- Corynebacterium glutamicum overexpresses its own genes to produce UDP-N-acetylglucosamine (UDP-N-GlcNAc), a precursor material for LNT and LNnT, and lacto-N-
- Triose II Lacto-N-triose II, LNT II
- the productivity of LNT and LNnT can be increased.
- the term 'expression' used in the present invention refers to expression by introducing an external gene into the strain to artificially express an enzyme that the Corynebacterium glutamicum strain of the present invention cannot express on its own.
- the term 'overexpression' refers to the fact that the Corynebacterium glutamicum strain of the present invention has its own gene encoding the enzyme and can express it on its own, but for the purpose of mass production, its expression level is This means overexpression by artificially increasing the expression level of the enzyme in question in order to increase it.
- the medium further contains glucose. good night.
- the growth of the strain becomes active, making it possible to produce Lacto-N-tetraose or Lacto-N-neotetraose with higher productivity.
- the recombinant Corynebacterium glutamicum of the present invention contains glmS, glmM, and glmU in the production pathway of UDP-N-acetylglucosamine (UDP-N-GlcNAc), a precursor material.
- UDP-N-GlcNAc UDP-N-acetylglucosamine
- lacto-N-tetraose (Lacto-N-tetraose, LNT) is safer than conventional E. coli, and has high concentration, high yield, and high productivity. ) and lacto-N-neotetraose (LNnT) can be produced.
- LNTII lacto-N-triose II
- LNT lacto-N-tetraose
- LNnT lacto-N-neotetraose
- the gene (lgtA) encoding beta-1,3-N-acetylglucosaminyltransferase was generated through a PCR reaction using two DNA primers, 21RBS-lgtA F and lgtA R. amplified.
- the lacY gene was amplified from the genomic DNA of E. coli K-12 MG1655 through a PCR reaction using two DNA primers RBS-lacY F and LacY R, and then overlapped using two DNA primers 21RBS-lgtA F and LacY R. (overlap) After synthesizing the lgtA-lacY DNA fragment through a PCR reaction, it was inserted into plasmid pCN013 treated with restriction enzyme EcoRI to construct the pAY plasmid.
- Neisseria meningitidis The gene (lgtA) encoding beta-1,3-N-acetylglucosaminyltransferase was amplified from M98 through a PCR reaction using two DNA primers lgtA_t F and lgtA_20B R. , the gene encoding beta-1,4-galactosyltransferase ( ⁇ -1,4-galactosyltransferase) was identified from Neisseria cinerea ATCC 14685 through PCR reaction using two DNA primers, 20_B1 F and 15_B1 R.
- lgtA-lgtB DNA fragments were synthesized through an overlap PCR reaction using two DNA primers lgtA_t F and 15_B1 R.
- the lacY gene was amplified from the genomic DNA of E. coli K-12 MG1655 through a PCR reaction using two DNA primers lacY_B F and 20ABY R3, and then through an overlap PCR reaction using two DNA primers lgtA_t F and 20ABY R3.
- synthesizing the lgtA-lgtB-lacY DNA fragment it was inserted into plasmid pCN013 treated with restriction enzyme EcoRI to construct the pABY plasmid.
- the pgk promoter was amplified from Corynebacterium glutamicum ATCC 13032 through a PCR reaction using two DNA primers, pgk F and pgk R.
- the gene encoding beta-1,3- N -acetylglucosaminyl transferase ( lgtA (i.e. NclgtA; where Nc means that lgtA is derived from Neisseria cinerea ) was amplified, and beta- was obtained from Lutiella nitroferrum ATCC BAA-1479 through a PCR reaction using two DNA primers, LnW F and LnW R.
- the gene encoding 1,3-galactosyltransferase (WbgO, i.e. LnWbgO; Ln is (meaning that WbgO originated from Lutiella nitroferrum ) was amplified.
- the lacY gene was amplified from the genomic DNA of E. coli K-12 MG1655 through a PCR reaction using two DNA primers 20ABY F3 and 20ABY R3, and then pgk-lgtA was amplified through an overlap PCR reaction using two DNA primers pgk F and 20ABY R3.
- -WbgO-lacY i.e.
- Nc means lgtA originated from Neisseria cinerea
- Ln means After synthesizing the DNA fragment (meaning that WbgO originated from Lutiella nitroferrum ), it was inserted into pCN013 plasmid treated with restriction enzymes EcoRI and EcoRV to construct pAWY plasmid.
- a strain overproducing the precursor material 'UDP-N-acetylglucosamine (UDP-N-GlcNAc)' was constructed.
- UDP-N-GlcNAc UDP-N-GlcNAc
- pK19mobsacB-tuf-glmS, pK19mobsacB-tuf-glmM, and pK19mobsacB-tuf-glmU were created to overexpress glmS, glmM, and glmU in the biosynthetic pathway as shown in Figures 1 and 2.
- Plasmid construction Plasmid construction (plasmid construction for glmM overexpression)
- a strain overproducing 'UDP-galactose' another precursor material for the biosynthesis of LNT and LNnT, was constructed.
- a total of three integration plasmids pK19mobsacB-tuf-pgm, pK19mobsacB-tuf-galU1, and pK19mobsacB-tuf-galE, were created to overexpress pgm, galU1, and galE in the biosynthetic pathway as shown in Figures 1 and 2.
- Three genes were amplified from the genomic DNA of Corynebacterium glutamicum through a PCR reaction using six DNA primers (pgm F1, pgm R1), (pgm F2, pgm R2), and (pgm F3, pgm R4). Afterwards, a DNA fragment was synthesized through an overlap PCR reaction using two DNA primers pgm F1 and pgm R4, and then inserted into the Xba I-treated plasmid pK19mobsacB to construct the pK19mobsacB-tuf-pgm plasmid.
- primer primer name Sequence ('->3') 21RBS-lgtA F TCCAGGAGGACATACAACCGAGAAGGAGGGTTATTAGATGCCGTCTGAAGCCT lgtA R CCTTTATGCGCAACGTTAAATCTCCTGTTCTTTCCCTGCC RBS-lacY F AACAGGAGATTTAACGTTGCGCATAAAGGAGCATCTACAATGTACTATTTAAAAAACA LacY R TTGTCGACGGAGCTCGAATTCTTTAAGCGACTTCATTCACCCTGACG lgtA_tF TCCAGGAGGACATACAACCGAGAAGGAGGGTTATTAGtctagaGATGCAGCCCCTAGTCAGC lgtA_20B R CATTAATAATCCTCCTTCTGTCAACGGTTTTTCAACAACCGG 20_B1 F TGACAGAAGGAGGATTATTAATGGAAAACCGTATTATCAG 15_B1 R ATGCTCCTTTATGCGCAACGCCGCGGTTACCGGAACGGTATGATAA lacY
- Example 2 Culture conditions and methods of recombinant Corynebacterium glutamicum
- a glass test tube containing 4 mL BHI (Brain Heart Infusion) medium containing an appropriate antibiotic (kanamycin 25 ⁇ g/mL) was used, and the culture was maintained at 30°C and a stirring speed of 250 rpm for 12 hours.
- This culture was performed in a flask, and 40 mL CGXII containing appropriate antibiotics (kanamycin 25 ⁇ g/mL) (Urea 5 g/L, MgSO4 0.25 g/L, MOPS 42 g/L, Potassium phosphate monobasic 1 g/L, Potassium phosphate dibasic 1 g/L, CaCl2 10 mg/L, Biotin 0.2 mg/L, Protocatechuic acid 30 mg/L, FeSO47H2O 10 mg/L, MnSO4H2O 10 mg/L, ZnSO47H2O 1 mg/L, CuSO4 0.2 mg/L , NiCl26H2O 0.02 mg/L, Glucose 20 g/L, Lactose 5 g/L, pH 7.0) medium was used, and the culture was cultured for 72 hours while maintaining the temperature at 25°C and the stirring speed at 200 rpm.
- appropriate antibiotics kanamycin 25 ⁇ g/m
- a glass test tube containing 4 mL BHI (Brain Heart Infusion) medium containing antibiotics (kanamycin 25 ⁇ g/mL) was used, and the temperature was 30°C and the stirring speed was 250 rpm. After culturing for 12 hours, the culture was inoculated into a shake flask containing 40 mL CGXII medium containing 25 ⁇ g/mL kanamycin at an initial OD (optical density) of 0.3. The culture temperature was maintained at 25°C and the stirring speed was maintained at 200 rpm and cultured for 72 hours.
- the strain of Example 1 was prepared to overexpress glmS, glmM, and glmU in the production pathway of UDP-N-acetylglucosamine, a precursor material, to produce LNT/LNnT precursors using the productivity comparison test method.
- the production volume of phosphorus LNTII was compared.
- LNT/LNnT For the production of LNT/LNnT, the production of LNT/LNnT was compared using the above productivity comparison test method using the strain of Example 1 prepared to overexpress pgm, galU, and galE in the production pathway of UDP-galactose, a precursor material.
- PU O/E pgm GalU O/E
- PE O/E pgm GalE O/E
- UE O/E GalU GalE O/E
- PUE O/E pgm GalU GalE O/E
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Abstract
Description
| 프라이머 이름 | 서열 (5'->3') |
| 21RBS-lgtA F | TCCAGGAGGACATACAACCGAGAAGGAGGGTTATTAGATGCCGTCTGAAGCCT |
| lgtA R | CCTTTATGCGCAACGTTAAATCTCCTGTTCTTTCCCTGCC |
| RBS-lacY F | AACAGGAGATTTAACGTTGCGCATAAAGGAGCATCTACAATGTACTATTTAAAAAACA |
| LacY R | TTGTCGACGGAGCTCGAATTCTTTAAGCGACTTCATTCACCTGACG |
| lgtA_t F | TCCAGGAGGACATACAACCGAGAAGGAGGGTTATTAGtctagaGATGCAGCCCCTAGTCAGC |
| lgtA_20B R | CATTAATAATCCTCCTTCTGTCAACGGTTTTTCAACAACCGG |
| 20_B1 F | TGACAGAAGGAGGATTATTAATGGAAAACCGTATTATCAG |
| 15_B1 R | ATGCTCCTTTATGCGCAACGCCGCGGTTACCGGAACGGTATGATAA |
| lacY_B F | TTATCATACCGTTCCGGTAACCGCGGCGTTGCGCATAAAGGAGCATCTACAATGTACTATTTAAAAAACACAAACTTTTG |
| 20ABY R3 | AAGCTTGTCGACGGAGCTCGTTAAGCGACTTCATTCACCT |
| pgk F | GCAAACTATGATGGGTCTTGTTGTTGGATTCTAGATAACGTGGGCGATCGATG |
| pgk R | GGGGCTGCATCTAATAACCCTCCTTCTGATATCGCCGTACTCCTTGGAGAT |
| 21NcA F | ATCAGAAGGAGGGTTATTAGATGCAGCCCCTAGTCAG |
| NcA R | ATGCTCCTTTCCGAAACTCCGTATACTCAACGGTTTTTCAACAACCG |
| LnW F | TTCGGAAAGGAGCATCTAGGATGGATAAGATTAAACAAGGATCTGC |
| LnW R | CTTTATGCGCAACGGGATCCTTACTTTCTCCATAGCGTCACC |
| 20ABY F3 | CGTTGCGCATAAAGGAGCATCTACAATGTACTATTTAAAAAACAC |
| 프라이머 이름 | 서열 (5'->3') |
| glmS F1 | TGCATGCCTGCAGGTCGACTTCACGAGCCCCTCATTGCCT |
| glmS R1 | CATTCGCAGGGTAACGGCCAGACTTTACAACAACTTTTTC |
| glmS F2 | GAAAAAGTTGTTGTAAAGTCTGGCCGTTACCCTGCGAATG |
| glmS R2 | ACAATTCCACACATGCGCATTGTATGTCCTCCTGGACTTC |
| glmS F3 | GAAGTCCAGGAGGACATACAATGCGCATGTGTGGAATTGT |
| glmS R3 | GCTCGGTACCCGGGGATCCTAAAGCACCCTCAAGGCGCTG |
| glmM F1 | CTATGACCATGATTACGCCACTCCGGCGAGTTCAAG |
| glmM R1 | CATTCGCAGGGTAACGGCCAGCGATTAATTATGCACGGC |
| glmM F2 | AGGCCGTGCATAATTAATCGCTGGCCGTTACCCTGC |
| glmM R2 | GTTCCAAATAGTCGAGTCATTGTATGTCCTCCTGGACTT |
| glmM F3 | GAAGTCCAGGAGGACATACAATGACTCGACTATTTGGAACTG |
| glmM R3 | TTGTAAAACGACGGCCAGTGTTCAGGTGCTCTAGGTAACGG |
| glmU F1 | TGCATGCCTGCAGGTCGACTCTCTGGAATCTGGTCGGATC |
| glmU R1 | CATTCGCAGGGTAACGGCCAGATTATCTCAAATCCTTAAA |
| glmU F2 | TTTAAGGATTTGAGATAATCTGGCCGTTACCCTGCGAATG |
| glmU R2 | GAGAAATCGCTTGCGCTCAATGTATGTCCTCCTGGACTTC |
| glmU F3 | GAAGTCCAGGAGGACATACATTGAGCGCAAGCGATTTCTC |
| glmU R3 | GCTCGGTACCCGGGGATCCTTGCTCAACGATGGCGGTGAC |
| pgm F1 | TGCATGCCTGCAGGTCGACTACACGCCAGGGTATTCGCCG |
| pgm R1 | CATTCGCAGGGTAACGGCCAGTTTGCTCCTTAAAACACCA |
| pgm F2 | TGGTGTTTTAAGGAGCAAACTGGCCGTTACCCTGCGAATG |
| pgm R2 | CCGGCGCGTTCATGTGCCATTGTATGTCCTCCTGGACTTC |
| pgm F3 | GAAGTCCAGGAGGACATACAATGGCACATGAACGCGCCGG |
| pgm R4 | GCTCGGTACCCGGGGATCCTTTGTATTTGAATCCGCCATC |
| galU1 F1 | TGCATGCCTGCAGGTCGACTTCGTAGAAACCGCCACCTTT |
| galU1 R1 | CATTCGCAGGGTAACGGCCAGGAACCAAGAGTACCTGCCC |
| galU1 F2 | GGGCAGGTACTCTTGGTTCCTGGCCGTTACCCTGCGAATG |
| galu1 R2 | TCATCGATAGGCAAACTCATTGTATGTCCTCCTGGACTTC |
| galU1 F3 | GAAGTCCAGGAGGACATACAATGAGTTTGCCTATCGATGA |
| galU1 R3 | GCTCGGTACCCGGGGATCCTCAAAGGACAGATCCACCG |
| galE F1 | TGCATGCCTGCAGGTCGACTCTCCAGAGGGACGTTCCCTC |
| galE R1 | CATTCGCAGGGTAACGGCCACGTGTGTTAGCCCTCAACCT |
| galE F2 | AGGTTGAGGGCTAACACACGTGGCCGTTACCCTGCGAATG |
| galE R2 | CCGGTAACCAGAAGCTTCATTGTATGTCCTCCTGGACTTC |
| galE F3 | GAAGTCCAGGAGGACATACAATGAAGCTTCTGGTTACCGG |
| galE R3 | GCTCGGTACCCGGGGATCCTAAGTAGCGCAAGCTGGTTGC |
| 균주 | 관련된 특징 |
| E. coli TOP10 | F, mrcA △(mrr-hsdRMS-mcrBC)φ80lacZ△M15
lacX74 recA1 araD139△(ara-leu)7697 galU galK rpsL (StrR) endA1 nupG |
| E.Coli K-12 MG1655 | F-, lambda-, rph-1 |
| C. glutamicum | Wild-type strain, ATCC13032 |
| C. glutamicum P | Ptuf-pgm |
| C. glutamicum U | Ptuf-galU1 |
| C. glutamicum E | Ptuf-galE |
| C. glutamicum PU | Ptuf-pgm, Ptuf-galU1 |
| C. glutamicum PE | Ptuf-pgm, Ptuf-galE |
| C. glutamicum UE | Ptuf-galU1, Ptuf-galE |
| C. glutamicum PUE | Ptuf-pgm, Ptuf-galU1, Ptuf-galE |
| C. glutamicum S | ATCC13032 Ptuf-glmS |
| C. glutamicum M | ATCC13032 Ptuf-glmM |
| C. glutamicum U | ATCC13032 Ptuf-glmU |
| C. glutamicum SM | ATCC13032 Ptuf-glmS Ptuf-glmM |
| C. glutamicum SU | ATCC13032 Ptuf-glmS Ptuf-glmU |
| C. glutamicum MU | ATCC13032 Ptuf-glmM Ptuf-glmU |
| C. glutamicum SMU | ATCC13032 Ptuf-glmS Ptuf-glmM Ptuf-glmU |
| 플라스미드 | 관련된 특징 |
| pCN013 | KanR, pUC origin of replication, Tuf(p), T7 terminator, 6xHis affinity tag |
| pAY | pCN013 + 21RBS-lgtA-LacYA |
| pAWY | pCN013 + lgtA-WbgO-lacY |
| pABY | pCN013 + lgtA-lgtB-lacY |
| pKmobsacB | KanR, mobilizable E.coli vector for the construction of insertion and deletion mutants of C.glutamicum (oriV, sacB, lacZ) |
| pK19mobsacB-tuf-glmS | pKmobsacB + 500base pair upstream of glmS gene-Tuf(p) glmS 500base pair |
| pK19mobsacB-tuf-glmM | pKmobsacB + 500base pair upstream of glmM gene-Tuf(p)-glmM 500base pair |
| pK19mobsacB-tuf-glmU | pKmobsacB + 500base pair upstream of glmU gene-Tuf(p)-glmU 500base pair |
| pK19mobsacB-tuf-pgm | pKmobsacB + 500base pair upstream of pgm gene-Tuf(p)-pgm 500base pair |
| pK19mobsacB-tuf-GalU1 | pKmobsacB + 500base pair upstream of GalU1 gene-Tuf(p)-GalU1 500base pair |
| pK19mobsacB-tuf-GalE | pKmobsacB + 500base pair upstream of GalE gene-Tuf(p)-GalE 500base pair |
| 유전자명 | 서열번호 | 코리네박테리움 글루타미쿰에서 발현되도록 코돈 최적화 |
| lgtA (β-1,3-N-acetylglucosaminyltransferase) - Neisseria cinerea ATCC 14685 |
서열번호 1 | X |
| lgtA (β-1,3-N-acetylglucosaminyltransferase) - Neisseria meningitidis M98 |
서열번호 2 | X |
| lgtB (β-1,4-galactosyltransferase) - Neisseria cinerea ATCC 14685 |
서열번호 3 | X |
| WbgO(β-1,3-galactosyltransferase) - Lutiella nitroferrum ATCC BAA-1479 |
서열번호 4 | X |
| lacY (lactose permease) | 서열번호 5 | X |
Claims (6)
- 락토오스 퍼미아제 (lactose permease)를 암호화하는 유전자, 베타-1,3-N-아세틸글루코사민전이효소 (β-1,3-N-acetylglucosaminyltransferase)를 암호화하는 유전자, 베타-1,3-갈락토오스전이효소 (β-1,3-galactosyltransferase)를 암호화하는 유전자를 외부로부터 도입하여 상기 유전자들이 코리네박테리움 글루타미쿰 내에서 발현되도록 형질전환되며,코리네박테리움이 자체적으로 보유하고 있는 유전자인 글루타민-프록토오스-6-포스페이트아미노트랜스퍼라제(Glutamine-fructose-6-phosphate aminotransferase)를 암호화하는 유전자, 포스포글루코사민 뮤타아제 (Phosphoglucosamine mutase)를 암호화하는 유전자, 글루코사민-1-포스페이트 N-아세틸트랜스퍼라아제(glucosamine-1-phosphate N-acetyltransferase)를 암호화하는 유전자, UDP-N-아세틸글루코사민 피로포스포릴라제(UDP-N-acetylglucosamine pyrophosphorylase)를 암호화하는 유전자, 포스포글루코뮤타아제(phosphoglucomutase)를 암호화하는 유전자, UTP-글루코스-1-포스페이트 우리딜릴트랜스퍼라아제 (UTP-glucose-1-phosphate uridylyltransferase)를 암호화하는 유전자, UDP-글루코스-4-에피메라아제(UDP-glucose-4-epimerase)를 암호화하는 유전자 중 선택되는 어느 하나 이상의 유전자가 과발현되도록 형질전환되는 것을 특징으로 하는 재조합 코리네박테리움 글루타미쿰(Corynebacterium glutamicum).
- 락토오스 퍼미아제 (lactose permease)를 암호화하는 유전자, 베타-1,3-N-아세틸글루코사민전이효소 (β-1,3-N-acetylglucosaminyltransferase)를 암호화하는 유전자, 베타-1,4-갈락토오스전이효소 (β-1,4-galactosyltransferase)를 암호화하는 유전자를 외부로부터 도입하여 상기 유전자들이 코리네박테리움 글루타미쿰 내에서 발현되도록 형질전환되며,코리네박테리움이 자체적으로 보유하고 있는 유전자인 글루타민-프록토오스-6-포스페이트아미노트랜스퍼라제(Glutamine-fructose-6-phosphate aminotransferase)를 암호화하는 유전자, 포스포글루코사민 뮤타아제 (Phosphoglucosamine mutase)를 암호화하는 유전자, 글루코사민-1-포스페이트 N-아세틸트랜스퍼라아제(glucosamine-1-phosphate N-acetyltransferase)를 암호화하는 유전자, UDP-N-아세틸글루코사민 피로포스포릴라제(UDP-N-acetylglucosamine pyrophosphorylase)를 암호화하는 유전자, 포스포글루코뮤타아제(phosphoglucomutase)를 암호화하는 유전자, UTP-글루코스-1-포스페이트 우리딜릴트랜스퍼라아제 (UTP-glucose-1-phosphate uridylyltransferase)를 암호화하는 유전자, UDP-글루코스-4-에피메라아제(UDP-glucose-4-epimerase)를 암호화하는 유전자 중 선택되는 어느 하나 이상의 유전자가 과발현되도록 형질전환되는 것을 특징으로 하는 재조합 코리네박테리움 글루타미쿰(Corynebacterium glutamicum).
- 락토오스가 첨가된 배지에, 제1항의 재조합 코리네박테리움 글루타미쿰(Corynebacterium glutamicum)을 배양하는 것을 특징으로 하는 락토-N-테트라오스(Lacto-N-tetraose)의 생산방법.
- 제3항에 있어서,상기 배지는,글루코오스를 더 포함하고 있는 것을 특징으로 하는 락토-N-테트라오스(Lacto-N-tetraose)의 생산방법.
- 락토오스가 첨가된 배지에, 제2항의 재조합 코리네박테리움 글루타미쿰(Corynebacterium glutamicum)을 배양하는 것을 특징으로 하는 락토-N-네오테트라오스(Lacto-N-neotetraose)의 생산방법.
- 제5항에 있어서,상기 배지는,글루코오스를 더 포함하고 있는 것을 특징으로 하는 락토-N-네오테트라오스(Lacto-N-neotetraose)의 생산방법.
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| CN202380039271.5A CN119278266A (zh) | 2022-05-11 | 2023-05-11 | 利用谷氨酸棒状杆菌生产乳糖-n-四糖及乳糖-n-新四糖的方法 |
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| PCT/KR2023/006403 Ceased WO2023219437A1 (ko) | 2022-05-11 | 2023-05-11 | 코리네박테리움 글루타미쿰을 이용한 락토-n-테트라오스 및 락토-n-네오테트라오스의 생산 방법 |
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| Country | Link |
|---|---|
| US (1) | US20250313874A1 (ko) |
| KR (1) | KR102700534B1 (ko) |
| CN (1) | CN119278266A (ko) |
| WO (1) | WO2023219437A1 (ko) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119662501A (zh) * | 2024-12-11 | 2025-03-21 | 天津科技大学 | 一种合成乳酰-n-新四糖且安全的重组枯草芽孢杆菌及其构建方法和应用 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20170028438A (ko) * | 2014-07-14 | 2017-03-13 | 바스프 에스이 | Lnt, lnnt 및 이들의 푸코실화 유도체의 생명공학적 생산 |
| KR20180043297A (ko) * | 2015-09-12 | 2018-04-27 | 젠와인 바이오테크놀로지 게엠바하 | 조작된 내수송/외수송을 가진 미생물 숙주에서 모유 올리고당류의 생산 |
| WO2021077580A1 (zh) * | 2019-10-24 | 2021-04-29 | 华熙生物科技股份有限公司 | 一种高效合成高纯度透明质酸及其寡聚糖的重组谷氨酸棒状杆菌 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3720300A1 (en) | 2017-12-08 | 2020-10-14 | Jennewein Biotechnologie GmbH | Spray-dried tetrasaccharides |
-
2023
- 2023-05-11 US US18/864,765 patent/US20250313874A1/en active Pending
- 2023-05-11 CN CN202380039271.5A patent/CN119278266A/zh active Pending
- 2023-05-11 WO PCT/KR2023/006403 patent/WO2023219437A1/ko not_active Ceased
- 2023-08-21 KR KR1020230109385A patent/KR102700534B1/ko active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20170028438A (ko) * | 2014-07-14 | 2017-03-13 | 바스프 에스이 | Lnt, lnnt 및 이들의 푸코실화 유도체의 생명공학적 생산 |
| KR20180043297A (ko) * | 2015-09-12 | 2018-04-27 | 젠와인 바이오테크놀로지 게엠바하 | 조작된 내수송/외수송을 가진 미생물 숙주에서 모유 올리고당류의 생산 |
| WO2021077580A1 (zh) * | 2019-10-24 | 2021-04-29 | 华熙生物科技股份有限公司 | 一种高效合成高纯度透明质酸及其寡聚糖的重组谷氨酸棒状杆菌 |
Non-Patent Citations (2)
| Title |
|---|
| LUO GUOCONG, ZHU YINGYING, MENG JIAWEI, WAN LI, ZHANG WENLI, MU WANMENG: "A Novel β-1,4-Galactosyltransferase from Histophilus somni Enables Efficient Biosynthesis of Lacto- N -Neotetraose via Both Enzymatic and Cell Factory Approaches", JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY, AMERICAN CHEMICAL SOCIETY, US, vol. 69, no. 20, 26 May 2021 (2021-05-26), US , pages 5683 - 5690, XP093106777, ISSN: 0021-8561, DOI: 10.1021/acs.jafc.1c01419 * |
| ZHU YINGYING, LI ZEYU, LUO GUOCONG, WU HAO, ZHANG WENLI, MU WANMENG: "Metabolic Engineering of Escherichia coli for Efficient Biosynthesis of Lacto- N -tetraose Using a Novel β-1,3-Galactosyltransferase from Pseudogulbenkiania ferrooxidans", JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY, AMERICAN CHEMICAL SOCIETY, US, vol. 69, no. 38, 29 September 2021 (2021-09-29), US , pages 11342 - 11349, XP093033459, ISSN: 0021-8561, DOI: 10.1021/acs.jafc.1c04059 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119662501A (zh) * | 2024-12-11 | 2025-03-21 | 天津科技大学 | 一种合成乳酰-n-新四糖且安全的重组枯草芽孢杆菌及其构建方法和应用 |
Also Published As
| Publication number | Publication date |
|---|---|
| US20250313874A1 (en) | 2025-10-09 |
| KR20230159686A (ko) | 2023-11-21 |
| CN119278266A (zh) | 2025-01-07 |
| KR102700534B1 (ko) | 2024-09-02 |
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