WO2019017706A2 - 퓨트레신을 생산하는 미생물 및 이를 이용한 퓨트레신 생산방법 - Google Patents
퓨트레신을 생산하는 미생물 및 이를 이용한 퓨트레신 생산방법 Download PDFInfo
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- WO2019017706A2 WO2019017706A2 PCT/KR2018/008165 KR2018008165W WO2019017706A2 WO 2019017706 A2 WO2019017706 A2 WO 2019017706A2 KR 2018008165 W KR2018008165 W KR 2018008165W WO 2019017706 A2 WO2019017706 A2 WO 2019017706A2
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- putrescine
- seq
- gapn
- ncgl2522
- microorganism
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- C12N15/00—Mutation or genetic engineering; DNA or RNA concerning genetic engineering, vectors, e.g. plasmids, or their isolation, preparation or purification; Use of hosts therefor
- C12N15/09—Recombinant DNA-technology
- C12N15/63—Introduction of foreign genetic material using vectors; Vectors; Use of hosts therefor; Regulation of expression
- C12N15/74—Vectors or expression systems specially adapted for prokaryotic hosts other than E. coli, e.g. Lactobacillus, Micromonospora
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- C12Y106/01—Oxidoreductases acting on NADH or NADPH (1.6) with NAD+ or NADP+ as acceptor (1.6.1)
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Definitions
- the present invention relates to a microorganism producing putrescine and a method for producing putrescine using the microorganism.
- the coryneform microorganism is a gram-positive microorganism frequently used industrially for producing a substance having various uses such as feed, medicines and foods including L-amino acid and various nucleic acids.
- diamines and keto-acids have been produced from coryneform microorganisms.
- NADPPH nicotinamide adenine dinucleotide phosphate
- the oxidized form of NADP + and the reduced form of NADPH are in vivo electron transfer materials, which are involved in various synthesis processes.
- the pathway that produces NADPH in the central metabolic pathway is mainly produced by 1) the oxidative pentose phosphate pathway and 2) the NADP-dependent isocitrate dehydrogenase (Icd gene) of the TCA pathway .
- a variety of alternative routes to supply NADPH in a variety of microorganisms include malate enzyme, glucose dehydrogenase. It has a nonphosphorylation glyceraldehyde-3-phosphate dehydrogenase (Glyceraldehyde-3-phosphate dehydrogenase).
- putrescine is known as one of raw materials for polyamides. Putrescine is produced mainly by chemical methods using petroleum compounds as raw materials. Recently, the technology for producing putrescine fermentation using microorganism genetic engineering technology and fermentation technology has been studied. For example, there is disclosed a method for producing putrescine at a high concentration by transforming Escherichia coli and a microorganism of the genus Corotte bacteria (Morris et al., J Biol. Chem. 241: 13, 3129-3135, 1996, International Biotechnol. Bioeng. 104: 4, 651-662, 2009; Schneider et al., Appl. Microbiol. Biotechnol. 88: 4, 859- 868, 2010; Schneider et al., Appl. Microbiol. Biotechnol. 91: 17-30, 2011).
- putrescine production is increased in Corynebacterium sp.
- Microorganisms through a multi-faceted study of enhancing NADPH for high-concentration putrescine production The present invention has been completed.
- One object of the present application is to provide a microorganism of the genus Corynebacterium which produces putrescine, wherein the reduced nicotinamide adenine dinucleotide phosphate (NADPH) production capacity is increased compared to the unmodified microorganism.
- NADPH nicotinamide adenine dinucleotide phosphate
- Another object of the present application is to provide a method for producing putrescine using the microorganism.
- the present invention relates to a microorganism producing putrescine and a method for producing putrescine using the microorganism, and has an excellent effect of increasing putrescine production in a microorganism of the genus Corynebacterium.
- one aspect of the present invention provides a microorganism of the genus Corynebacterium which produces putrescine, which has an increased ability to produce reduced nicotinamide adenine dinucleotide phosphate (NADPH) compared to unmodified microorganisms.
- NADPH nicotinamide adenine dinucleotide phosphate
- NADH reduced nicotinamide adenine dinucleotide phosphate
- NADPH reduced nicotinamide adenine dinucleotide phosphate
- Oxidants (NAD + and NADP + ) of these coenzymes are known to play an important role in accepting the energy generated in the bio-catabolic reaction in the form of electrons and protons, and participate as electron acceptors in the oxidoreductase reaction.
- the Corynebacterium sp. Microorganism producing the putrescine may be selected from the group consisting of (1) NADP-dependent glyceraldehyde-3-phosphate dehydrogenase, Transketolase, Glucose-6-phosphate 1-dehydrogenase, 6-phosphogluconate dehydrogenase, NAD (P) trans Wherein the activity of at least one of the group consisting of NAD (P) transhydrogenase, nicotinate phosphoribosyltransferase, and NAD + kinase (NAD + kinase) is enhanced or (2) gluconate a combination of a kinase (Gluconate kinase) and NAD + diphosphonium Zapata dehydratase (NAD + diphosphophatase) one or more of the active from the group consisting of inactivated or, (3) (1) and (2) But is not limited thereto.
- NADP-dependent glyceraldehyde-3-phosphate dehydrogenase, Transketolase, Glucose-6-phosphate dehydrogenase, 6-phosphate dehydrogenase, 6-phosphogluconate dehydrogenase, NAD (P) transhydrogenase, nicotinate phosphotyrosyl transferase phosphoribosyltransferase), and NAD + kinase (NAD + kinase) may be one or more, two or more, three or more, four or more, five or more, or all enzymes having increased activity.
- the gluconate kinase Gluconate kinase
- NAD + diphosphonium Zapata dehydratase NAD + diphosphophatase
- the combination of (1) and (2) may be a combination of NADP-dependent glyceraldehyde-3-phosphate dehydrogenase, Transketolase, Glucose-6-phosphate dehydrogenase, 6-phosphogluconate dehydrogenase, NAD (P) transhydrogenase (NAD) ), Nicotinate phosphoribosyltransferase, and NAD + kinase (NAD + kinase) is one or more, two or more, three or more, four or more, five or more increase the activity of any enzyme and may be a gluconate kinase (gluconate kinase) and NAD + diphosphonium Zapata dehydratase (NAD + diphosphophatase) one from the group consisting of a combination of two or all of which activity is inactivated in.
- NADP-dependent glyceraldehyde-3-phosphate dehydrogenase in the present application refers to D-glyceraldehyde-3-phosphate (3-phospho-D-glycerate) from NADPH to NADPH 1 molecule.
- the NADP-dependent glyceralde-3-phosphate dehydrogenase may be a protein comprising the amino acid sequence of SEQ ID NO: 1 or SEQ ID NO: 7, A protein having an amino acid sequence to be displayed, or a protein consisting of an amino acid sequence represented by SEQ ID NO: 1 or SEQ ID NO: 7.
- Transketolase in the present application refers to an enzyme that affects the pentose phosphate pathway, and from D-xylulose-5-phosphate and D-ribose- -Phosphoric acid and D-glyceraldehyde-3-phosphate.
- the transketolase may be a protein comprising the amino acid sequence shown in SEQ ID NO: 10 or SEQ ID NO: 16, but not limited thereto, a protein having the amino acid sequence shown in SEQ ID NO: 10 or SEQ ID NO: Or a protein consisting of the amino acid sequence represented by SEQ ID NO: 16.
- Glucose-6-phosphate dehydrogenase refers to an enzyme that converts 6-phospho-D-glucono-1,5- The enzyme that synthesizes NADPH 1 molecules is referred to as the conversion.
- Glucose-6-phosphodihydrogenase is also referred to as G6PD, G6PDH, or the like.
- the glucose-6-phosphodihydrogenase may be mixed with G6PD or G6PDH.
- the glucose-6-phosphodihydrogenase may be a protein including the amino acid sequence shown in SEQ ID NO: 20 or SEQ ID NO: 27, but is not limited thereto, and may include the amino acid sequence shown in SEQ ID NO: 20 or SEQ ID NO: Or a protein consisting of the amino acid sequence shown in SEQ ID NO: 20 or SEQ ID NO: 27.
- 6-phosphogluconate dehydrogenase in the present application refers to an enzyme that converts NADPH 1 molecules while converting D-gluconate 6-phosphate into D-ribulose 5-phosphate Collectively. 6-phosphogluconate dehydrogenase is also referred to as 6PGD or the like. In addition, in the present application, the 6-phosphogluconate dehydrogenase can be mixed with 6PGD.
- the 6-phosphogluconate dehydrogenase may be a protein comprising the amino acid sequence shown in SEQ ID NO: 32 or SEQ ID NO: 36, but is not limited to the amino acid sequence shown in SEQ ID NO: 32 or SEQ ID NO: Or a protein consisting of the amino acid sequence shown in SEQ ID NO: 32 or SEQ ID NO: 36.
- NAD (P) transhydrogenase in the present application refers to an enzyme capable of synthesizing NADPH 1 molecule while transferring hydrogen of NADH to NADP + .
- the NAD (P) transhydrogenase may be a protein comprising the amino acid sequence shown in SEQ ID NO: 39 or SEQ ID NO: 41, but not limited thereto, and the amino acid sequence shown in SEQ ID NO: Protein or a protein consisting of the amino acid sequence shown in SEQ ID NO: 39 or SEQ ID NO: 41.
- Gluconate kinase refers to an enzyme capable of converting gluconate to 6-phospho-D-gluconate, an intermediate of the pentose phosphorylation pathway, do.
- the gluconate kinase may be a protein including an amino acid sequence represented by SEQ ID NO: 53, SEQ ID NO: 51 or SEQ ID NO: 59, but is not limited thereto and may include an amino acid sequence represented by SEQ ID NO: 51 or SEQ ID NO: 59 Or a protein consisting of the amino acid sequence shown in SEQ ID NO: 51 or SEQ ID NO: 59.
- NAD + NAD + is also so be converted to NADP +
- nicotinate phospholipid transferase is enhanced view of the amount of NADPH precursors .
- the nicotinate phosphoribosyltransferase may be a protein comprising the amino acid sequence shown in SEQ ID NO: 61, SEQ ID NO: 65 or SEQ ID NO: 69, but is not limited to the protein having SEQ ID NO: A protein having an amino acid sequence, or a protein consisting of an amino acid sequence represented by SEQ ID NO: 65 or SEQ ID NO: 69.
- NAD + diphosphonium claim Zapata (NAD + diphosphatase) is as enzymes that break from NAD + to nicotinamide ⁇ - D- ribo nucleotide ( ⁇ -nicotinamide D-ribonucleotide) , NAD + di phosphatase is weakened It is possible to increase the amount of NAD which is a precursor of NADPH.
- the NAD + diphosphospatase may be a protein including an amino acid sequence represented by SEQ ID NO: 73 or SEQ ID NO: 79, but is not limited to a protein having an amino acid sequence represented by SEQ ID NO: 73 or SEQ ID NO: A protein consisting of an amino acid sequence represented by SEQ ID NO: 73 or SEQ ID NO: 79.
- NAD kinase in this application is an enzyme that synthesizes NADP + from NAD + , and NADP + is a precursor of NADPH.
- the NAD + kinase may be a protein comprising an amino acid sequence represented by SEQ ID NO: 81 or SEQ ID NO: 85, but not limited thereto, a protein having an amino acid sequence represented by SEQ ID NO: 81 or SEQ ID NO: 85, Or a protein consisting of the amino acid sequence represented by SEQ ID NO: 85.
- NADP-dependent glyceraldehyde-3-phosphate dehydrogenase, transketolase, glucose-6-phosphodihydrogenase, 6-phosphogluconate dehydrogenase, NAD (P) transhydrogenase , Nicotinate phosphoribosyl transferase, NAD + kinase, gluconate kinase or NAD + diphosphatase can be obtained from known databases such as the National Center for Biotechnology Information NCBI), but are not limited thereto.
- the enzymes are not limited to the above-mentioned sequence numbers, but also include not only the above-mentioned sequence numbers but also sequences having 80% or more, 85% or more, specifically 90% or more, more specifically 95% or more, Or a protein exhibiting homology or identity.
- amino acid sequence having homology or identity with the above sequence and having the same or corresponding biological activity as that of the enzyme protein of the sequence listing substantially as described above the amino acid sequence having a deletion, modification, are also included in the scope of the present application.
- the polynucleotide encoding the NADP-dependent glyceraldephosphoribosyltransferase, NAD + kinase, gluconate kinase or NAD + diphosphatase is the NADP-dependent glyceraldehyde-3-phosphate dehydrogenase, transketolase, 6-phosphoglycate dehydrogenase, NAD (P) transhydrogenase, nicotinate phosphoribosyltransferase, NAD + kinase, gluconate kinase or NAD +
- NADP-dependent glyceralde-3-phosphate dehydrogenase may be encoded by the polynucleotide sequence of SEQ ID NO: 2 or SEQ ID NO: 8 and the transketolase may be encoded by the nucleotide sequence of SEQ ID NO: 11 or SEQ ID NO: 17
- Polynucleotide sequence and the glucose-6-phosphodihydrogenase may be encoded by the polynucleotide sequence of SEQ ID NO: 21 or SEQ ID NO: 28, and the 6-phosphogluconate dehydrogenase may be encoded by the polynucleotide sequence of SEQ ID NO: 33 or SEQ ID NO: 37
- the NAD (P) transhydrogenase may be encoded by the polynucleotide sequence of SEQ ID NO: 40 or SEQ ID NO: 42
- the nicotinate phosphoribosyltransferase may be encoded by the polynucleotide sequence of SEQ ID NO:
- polynucleotide can be used in a variety of coding regions within a range that does not change the amino acid sequence of the protein expressed from the coding region, taking into consideration the codon preference in the organism to which the protein is to be expressed owing to codon degeneracy. A deformation can be made.
- the polynucleotide encoding the enzyme protein may be included without limitation as long as it is a polynucleotide encoding a nucleotide, a nicotinate phosphoribosyl transferase, a NAD + kinase, a gluconate kinase, or a NAD + diphosphatase.
- a probe that can be prepared from a known gene sequence for example, hydridylation under stringent conditions with a complementary sequence to all or part of the polynucleotide sequence, and the NADP-dependent glyceraldehyde-3- phosphate dihydro 6-phosphoglycate dehydrogenase, NAD (P) transhydrogenase, nicotinate phospholibosyltransferase, NAD + kinase , A gluconate kinase, or a sequence encoding a protein having the activity of an NAD + diphosphatase enzyme protein.
- Homology or identity refers to the degree of association with two given amino acid sequences or nucleotide sequences and can be expressed as a percentage.
- Sequence homology or identity of conserved polynucleotides or polypeptides is determined by standard alignment algorithms and default gap penalties established by the program used can be used together.
- Substantially homologous or identical sequences generally have at least about 50%, 60%, 70%, 80% or 90% of the length of the sequence or the entire length of the sequence under moderate or high stringency conditions can be hybridized under stringent conditions.
- Polynucleotides containing degenerate codons instead of codons in hybridizing polynucleotides are also contemplated.
- BLAST Altschul, [S.] : 403 (1990); Guide to Huge Computers, Martin J. Bishop, ed., Academic Press, San Diego, 1994; and CARILLO ETA /. (1988) SIAM J Applied Math 48: 1073)
- BLAST or ClustalW, of the National Center for Biotechnology Information Database can be used to determine homology, similarity, or identity.
- the homology, similarity or identity of polynucleotides or polypeptides is described, for example, in Smith and Waterman, Adv. Appl. Math (1981) 2: 482, for example, in Needleman et al. (1970), J Mol Biol. 48: 443, by comparing the sequence information using a GAP computer program.
- the GAP program defines the total number of symbols in the shorter of the two sequences, divided by the number of similar aligned symbols (ie, nucleotides or amino acids).
- the default parameters for the GAP program are (1) a linear comparison matrix (containing 1 for identity and 0 for non-identity) and Schwartz and Dayhoff, eds., Atlas Of Protein Sequence And Structure, National Biomedical Research Foundation, pp.
- enhancing activity in the present application means that the activity of the enzyme protein is introduced, or the activity is enhanced as compared to the intrinsic activity or the pre-modification activity of the microorganism.
- introduction of the activity is meant that the activity of the specific protein, which the microorganism did not originally have, appeared natural or artificial.
- Unmodified microorganism refers to a microorganism having a specific protein activity originally possessed by a parent strain before transformation, when a specific protein of the microorganism to be compared is a genetic variation caused by natural or anthropogenic factors, It says.
- Intransic activity refers to the activity of a specific protein originally possessed by a parent strain before transformation when a microorganism is transformed by genetic variation caused by natural or anthropogenic factors. Unmodified in the present application can be used in combination with a form having an intrinsic activity that does not cause genetic mutation.
- the active enhancement may be enhanced by the introduction or introduction of exogenous NADP-dependent glyceraldehyde-3-phosphate dehydrogenase and / or NAD (P) transhydrogenase, or by intrinsic transketolase, Glucose-6-phosphodihydrogenase, 6-phosphogluconate dehydrogenase, nicotinate phosphoribosyltransferase and / or NAD + kinase.
- NAD NAD
- the copy number increase of the 1) polynucleotide can be carried out in a form that is not particularly limited but is operably linked to a vector or inserted into a chromosome in a host cell. Also, in one embodiment of increasing the number of copies, it can be carried out by introducing an exogenous polynucleotide exhibiting the activity of the enzyme or a codon-optimized mutant polynucleotide of the polynucleotide into a host cell.
- the foreign polynucleotide can be used without limitation in its sequence or sequence as long as it exhibits the same / similar activity as the enzyme. Such introduction can be carried out by appropriately selecting a person skilled in the art by a known transformation method, and the expression of the introduced polynucleotide in the host cell can result in the generation of an enzyme and an increase in its activity.
- nucleic acid sequence may be deleted, inserted, non-conserved or conservative substitution, or the like to enhance the activity of the expression control sequence. , Or by replacing with a nucleic acid sequence having more potent activity.
- the expression regulatory sequence may include, but is not limited to, promoters, operator sequences, sequences encoding ribosomal binding sites, sequences regulating the termination of transcription and translation, and the like.
- a strong heterologous promoter may be connected to the upper part of the polynucleotide expression unit instead of the original promoter.
- the strong promoter include CJ7 promoter, lysCP1 promoter, EF-Tu promoter, groEL promoter, aceA or aceB promoter.
- the expression level of the polynucleotide encoding the enzyme can be improved by being operatively linked to the lysCP1 promoter (WO2009 / 096689) or the CJ7 promoter (WO2006 / 065095), which is a promoter derived from the genus Corynebacterium, It does not.
- modification of the polynucleotide sequence on the chromosome is not particularly limited. However, modification of the nucleotide sequence by deletion, insertion, non-conservative or conservative substitution, or a combination thereof may be used to further enhance the activity of the polynucleotide sequence. , Or by replacing the polynucleotide sequence with an improved polynucleotide sequence so as to have stronger activity.
- a method for modifying to enhance by the combination of 1) to 3) above comprises: increasing the number of copies of the polynucleotide encoding the enzyme; modifying the expression control sequence to increase its expression; A modification of the sequence and an exogenous polynucleotide representing the activity of the enzyme, or a modification of the codon-optimized mutant polynucleotide thereof.
- the term " vector" means a DNA construct containing a nucleotide sequence of a polynucleotide encoding the desired protein operably linked to a suitable regulatory sequence so as to be capable of expressing the protein of interest in the appropriate host.
- the regulatory sequence may include a promoter capable of initiating transcription, any operator sequence for regulating such transcription, a sequence encoding a suitable mRNA ribosome binding site, and a sequence controlling the termination of transcription and translation.
- the vector may be transcribed into an appropriate host cell and then cloned or functioned independently of the host genome and integrated into the genome itself.
- the vector used in the present application is not particularly limited as long as it is replicable in the host cell, and any vector known in the art can be used.
- Examples of commonly used vectors include plasmids, cosmids, viruses and bacteriophages in their natural or recombinant state.
- pWE15, M13, MBL3, MBL4, IXII, ASHII, APII, t10, t11, Charon4A and Charon21A can be used as the phage vector or cosmid vector
- pDZ, pACYC177, pACYC184, pCL, pECCG117, pUC19, pBR322, pMW118, pCC1BAC vector and the like can be used but are not limited thereto.
- the vector usable in the present application is not particularly limited, and known expression vectors can be used.
- a polynucleotide encoding a target protein can be inserted into a chromosome through a vector for intracellular chromosome insertion.
- the insertion of the polynucleotide into the chromosome can be accomplished by any method known in the art, for example, homologous recombination, but is not limited thereto. And may further include a selection marker for confirming whether or not the chromosome is inserted.
- Selection markers are used to select cells that are transfected with a vector, that is, to confirm the insertion of a target nucleic acid molecule, and are provided with selectable phenotypes such as drug resistance, resistance to nutritional requirement, tolerance to cytotoxic agents, May be used. In the environment treated with the selective agent, only the cells expressing the selectable marker survive or express different phenotypes, so that the transformed cells can be selected.
- transformed means introducing a vector comprising a polynucleotide encoding a target protein into a host cell so that the protein encoded by the polynucleotide can be expressed in the host cell.
- Transformed polynucleotides may include all of these, whether inserted into the chromosome of the host cell or located outside the chromosome, provided that the polynucleotide can be expressed in the host cell.
- the polynucleotide includes DNA and RNA encoding a target protein.
- the polynucleotide may be introduced in any form as far as it is capable of being introduced into a host cell and expressed.
- the polynucleotide may be introduced into a host cell in the form of an expression cassette, which is a gene construct containing all the elements necessary for its expression.
- the expression cassette can typically include a promoter operably linked to the polynucleotide, a transcription termination signal, a ribosome binding site, and a translation termination signal.
- the expression cassette may be in the form of an expression vector capable of self-replication.
- the polynucleotide may be introduced into the host cell in its own form and operatively linked to the sequence necessary for expression in the host cell, but is not limited thereto.
- Such a transformation method includes any method of introducing a nucleic acid into a cell, and may be carried out by selecting a suitable standard technique as known in the art depending on the host cell. For example, electroporation, calcium phosphate (CaPO 4 ) precipitation, calcium chloride (CaCl 2 ) precipitation, microinjection, polyethylene glycol (PEG) method, DEAE-dextran method, A lithium acetate-DMSO method, and the like, but are not limited thereto.
- operably linked means that the polynucleotide sequence is functionally linked to a promoter sequence that initiates and mediates transcription of a polynucleotide encoding the protein of interest of the present application.
- Operable linkages can be made using known recombinant techniques in the art, and site-specific DNA cleavage and linkage can be made using, but not limited to, cutting and linking enzymes in the art.
- inactivated refers to a case where the activity is weakened, the protein is not expressed at all, or the protein is not expressed even if it is expressed, compared to the intrinsic activity or the pre-modification activity of the enzyme protein inherently possessed by the microorganism .
- the inactivation may be caused by a mutation or the like of the polynucleotide encoding the enzyme, such that the activity of the enzyme itself is attenuated or eliminated compared to the activity of the enzyme originally possessed by the microorganism, and inhibition of the expression or translation of the gene encoding the enzyme Or the like, the degree of the total enzyme activity in the cell is low or eliminated compared to the natural microorganism, the gene is partially or completely deleted, and combinations thereof.
- This inactivation of the enzyme activity can be achieved by the application of various methods well known in the art.
- the method include 1) a method of replacing the gene encoding the enzyme on chromosome with a gene mutated to weaken the activity of the enzyme including the case where the activity of the enzyme is eliminated; 2) a method of modifying the expression control sequence of the gene on the chromosome encoding the enzyme; 3) a method of replacing the expression control sequence of the gene encoding the enzyme with a sequence having weak or no activity; 4) a method of deleting all or part of the gene on the chromosome encoding the enzyme; 5) a method of introducing an antisense oligonucleotide (for example, antisense RNA) that binds complementarily to a transcript of a gene on the chromosome and inhibits translation of the mRNA into an enzyme; 6) artificially adding a sequence complementary to the SD sequence to the front of the SD sequence of the gene encoding the enzyme to form a secondary structure to make
- the method of modifying the gene sequence on the chromosome may be carried out by inducing a mutation of the sequence in a deletion, insertion, non-conservative or conservative substitution, or a combination thereof, of the gene sequence so as to further weaken the activity of the enzyme, Or by replacing the gene sequence with an improved gene sequence or an improved gene sequence so that there is no activity.
- the method of modifying the expression control sequence may be performed by inducing a mutation in the expression control sequence by deletion, insertion, non-conservative or conservative substitution, or a combination thereof, so as to further weaken the activity of the expression control sequence, To a nucleic acid sequence having an activity.
- expression control sequences include, but are not limited to, promoters, operator sequences, sequences that encode ribosomal binding sites, and sequences that control the termination of transcription and translation.
- a method of deleting a part or the whole of a polynucleotide encoding an enzyme can be performed by replacing a polynucleotide encoding an intrinsic target protein in a chromosome with a polynucleotide or marker gene in which a part of the nucleic acid sequence is deleted through a vector for insertion of a chromosome into a bacterium .
- a method of deleting a part or all of such polynucleotides a method of deleting polynucleotides by homologous recombination can be used, but the present invention is not limited thereto.
- the polynucleotide may be described as a gene when it is a polynucleotide aggregate capable of functioning.
- a polynucleotide and a gene can be mixed.
- part refers to the number of polynucleotides, which varies depending on the kind of the polynucleotide, but may be 1 to 300, more specifically 1 to 100, and more particularly 1 to 50, no.
- microbes producing putrescine and " microbes having ability to produce putrescine” refer to microorganisms that have putrescine production ability or naturally occurring microspheres Means a microorganism that has putrescine-producing ability through natural type or mutation.
- the microorganism producing putrescine may be a microorganism which has inherent ability to produce putrescine by inserting a polynucleotide associated with the native microorganism itself or an external putrescine production mechanism or by intensifying or inactivating the intrinsic gene activity . ≪ / RTI >
- the microorganism producing putrescine in the present application may be " the genus Corynebacterium microorganism ".
- the microorganism of the genus Corynebacterium is specifically exemplified by Corynebacterium glutamicum, Corynebacterium ammonia genesis, Brevibacterium lactis fermentum lactofermentum ), Brevibacterium ( Brevibacterium or the like flavu m), Corynebacterium thermo amino to Ness (Corynebacterium thermoaminogenes), Corynebacterium epi syeonseu (Corynebacterium efficiens), is not limited thereto. More specifically, the microorganism of the genus Corynebacterium in the present application may be Corynebacterium glutamicum .
- the microorganism producing the putrescine may be one in which the activity of ornithine decarboxylase (ODC) is further introduced, though not particularly limited thereto.
- ODC ornithine decarboxylase
- the ornithine decarboxylase refers to an enzyme that produces putrescine through the decarboxylation of ornithine. Although there is no putrescine biosynthetic pathway in Corynebacterium sp. Microorganisms, putrescine can be synthesized by introducing ornithine decarboxylase (ODC) from the outside.
- the microorganism producing putrescine is not particularly limited, but additionally, ornithine carbamoyltransfrase (ArgF) involved in the arginine synthesis in ornithine, a protein involved in the release of glutamate (NCgl1221 ) May be inactivated.
- ArgF ornithine carbamoyltransfrase
- the microorganism producing putrescine is not particularly limited.
- acetyl glutamate synthase or acetyl glutamate synthase that converts glutamate to N-acetylglutamate to enhance the biosynthetic pathway from glutamate to ornithine (ArgJ) which converts ornithine to ornithine
- acetylglutamate kinase (ArgB) which converts acetylglutamate to N-acetylglutamyl phosphate
- acetylglutamate kinase (ArgB) which converts acetylglutamate phosphate to acetylglutamate semialdehyde
- ArC acetylglutamate semialdehyde
- the activity of acetyl ornithine aminotransferase (ArgD) which converts acetyl ornithine aminotransferase
- the microorganism producing putrescine may be a microorganism belonging to the genus Corynebacterium having putrescine-producing ability, in which the activity of putrescine acetyltransferase is weakened, though not particularly limited thereto.
- the microorganism that produces putrescine may be, but not limited to, an enhanced activity of putrescine excretion protein.
- the activation of the putrescine excretion protein may be enhanced by the activity of a protein having the amino acid sequence of SEQ ID NO: 87 in a microorganism belonging to the genus Corynebacterium having putrescine-producing ability, but the present invention is not limited thereto.
- the activation of the putrescine excretion protein may be inactivated but not limited to the activity of the protein having the amino acid sequence of SEQ ID NO: 88 in the microorganism of the genus Corynebacterium having putrescine-producing ability.
- the present application is directed to a method for the treatment of NADP-dependent glyceraldehyde-3-phosphate dehydrogenase, transketolase, glucose-6-phosphate dehydrogenase, 6-phosphate dehydrogenase, 6-phosphogluconate dehydrogenase, NAD (P) transhydrogenase, nicotinate phosphate dehydrogenase, Poly view transferase (nicotinate phosphoribosyltransferase), and NAD + kinase (NAD + kinase), one or more active from the group consisting of enhanced or, (2), gluconate kinase (gluconate kinase) and NAD + diphosphonium Zapata claim (NAD + diphosphophatase, or (3) a combination of (1) and (2), wherein the ability to produce NADPH is increased, and wherein Corynebacterium Culturing the microorganism in a medium; And (P) trans
- NADP-dependent glyceraldehyde-3-phosphate dehydrogenase "transketolase”, "glucose-6-phospho-1-dehydrogenase”, “6-phosphogluconate dehydrogenase”
- NAD (P) transhydrogenase "Nicotinate phospholibosyltransferase”
- NAD kinase "Enhancement of activity”
- Gluconate kinase” NAD + Quot ;, " inactivation of activity ", and " Corynebacterium sp.
- Microorganism producing putrescine "
- the step of culturing the microorganism may be performed by a known batch culture method, a continuous culture method, a fed-batch culture method, and the like, though not particularly limited thereto.
- the culturing conditions are not particularly limited, but may be carried out at a suitable pH (for example, a pH of 5 to 9, specifically, a pH of 5 to 10, and a pH of 5 to 10) using a basic compound such as sodium hydroxide, potassium hydroxide or ammonia or an acidic compound such as phosphoric acid or sulfuric acid.
- PH 6 to 8, most specifically pH 6.8 oxygen or an oxygen-containing gas mixture can be introduced into the culture to maintain aerobic conditions.
- the incubation temperature can be maintained at 20 to 45 ⁇ , specifically at 25 to 40 ⁇ , and can be cultured for about 10 to 160 hours, but is not limited thereto.
- the putrescine produced by the above culture may be secreted into the medium or left in the cells.
- the culture medium used may be a carbon source such as sugars and carbohydrates such as glucose, sucrose, lactose, fructose, maltose, molasses, starch and cellulose, oils and fats such as soybean oil, sunflower seeds Alcohols such as glycerol and ethanol, and organic acids such as acetic acid may be used individually or in combination with each other, , But is not limited thereto.
- a carbon source such as sugars and carbohydrates such as glucose, sucrose, lactose, fructose, maltose, molasses, starch and cellulose, oils and fats such as soybean oil, sunflower seeds Alcohols such as glycerol and ethanol, and organic acids such as acetic acid may be used individually or in combination with each other, , But is not limited thereto.
- nitrogen sources include nitrogen-containing organic compounds such as peptone, yeast extract, juice, malt extract, corn steep liquor, soybean meal and urea, or inorganic compounds such as ammonium sulfate, ammonium chloride, ammonium phosphate, Ammonium nitrate), and the like may be used individually or in combination, but the present invention is not limited thereto.
- the phosphorus source potassium dihydrogenphosphate, dipotassium hydrogenphosphate, and the corresponding sodium-containing salt may be used individually or in combination, but the present invention is not limited thereto.
- the medium may include essential growth-promoting substances such as other metal salts (e.g., magnesium sulfate or ferrous sulfate), amino acids and vitamins.
- the method of recovering putrescine produced in the above culturing step of the present application may collect the desired amino acid from the culture solution by a suitable method known in the art according to the culture method. For example, centrifugation, filtration, anion exchange chromatography, crystallization, HPLC and the like can be used, and the desired putrescine can be recovered from the culture medium or microorganism using a suitable method known in the art.
- the method for recovering the putrescine may further comprise a purification step.
- NADP-dependent glyceraldehyde-3-phosphate dehydrogenase derived from Lactobacillus delbrueckii subsp .
- Bulgaricus with NADP-dependent glyceraldehyde-3-phosphate dehydrogenase with high affinity to Corynebacterium Genease was selected. Then, the following experiment was conducted to improve the activity.
- amino acid sequence SEQ ID NO: 1
- nucleotide sequence SEQ ID NO: 2
- the transformation vector pDZTn (WO2009 / 125992) was used for introducing the Ldb1179 gene into the chromosome using the transposon gene region of the genus Corynebacterium, and the promoter was cj7 (WO 2006/65095) .
- the Ldb1179 gene was amplified from the chromosome of Lactobacillus delbrueckii bulgaricus ATCC 11842 strain using the primers of SEQ ID NOS: 3 and 4, and the gene fragment of about 1.43 kb in the form of the initiation codon TTG changed to ATG (Table 1) .
- the PCR reaction was repeated 30 times at 95 ° C for 30 seconds of denaturation, 55 ° C for 30 seconds of annealing, and 72 ° C for 1 minute and 30 seconds of elongation.
- the PCR product was electrophoresed on 0.8% agarose gel and eluted with a band of about 1.4 kb.
- the CJ7 promoter region was subjected to PCR under the same conditions using the primer pairs of SEQ ID NOS: 5 and 6 to obtain PCR products.
- the PCR reaction was repeated 30 times for denaturation at 95 ° C for 30 seconds, annealing at 55 ° C for 30 seconds, and extension at 72 ° C for 30 seconds.
- the pDZTn vector was treated with XhoI and the PCR product obtained above was subjected to fusion cloning. Fusion cloning was performed using an In-Fusion® HD cloning kit (Clontech). The resulting plasmid was named pDZTn: P (CJ7) - (L).
- SEQ ID NO: primer The sequence (5'-3 ') 3 gapN (L) -F aaggaacactgatatc aTGACAGAACACTATTTAAACTATGTCAATG 4 gapN (L) -R gccaaaacagcctcgagTTAGTCTTCGATGTTGAAGACAACG 5 CJ7-F ggcccactagtctcgagGCCGGCATAGCCTACCGAT 6 CJ7-R GATATCAGTGTTTCCTTTCGTTGG
- Streptococcus Mutant (Streptococcus mutans ) ATCC 25175-derived NADP-dependent Glyceryl aldehyde -3- Phosphate Dihydrogenase Coryneform Construction of vectors for introduction into transposon genes in microbial chromosomes
- the amino acid sequence (SEQ ID NO: 7) of the SMUFR_0590 gene (SEQ ID NO: 7) encoding the gapN derived from the Streptococcus mutant strain ATCC 25175 was obtained from NIH GenBank and the CJ7 promoter in the transposon gene A vector was introduced to introduce the expressed SMUFR_0590
- the transformation vector pDZTn was used, and the promoter was cj7.
- the SMUFR_0590 gene derived from Streptococcus mutant ATCC 25175 was amplified with about 1.7 kb of the gene fragment using pECCG117-Pcj7-gapN1 (Korean Patent No. 1182033) as a template and the primers of SEQ ID NOS: 5 and 9 (Table 2). At this time, the PCR reaction was repeated 30 times for denaturation at 95 DEG C for 30 seconds, annealing at 55 DEG C for 30 seconds, and extension at 72 DEG C for 2 minutes.
- the PCR product was electrophoresed on 0.8% agarose gel and eluted with a band of a desired size.
- the pDZTn vector was treated with XhoI and the PCR product obtained above was subjected to fusion cloning. Fusion cloning was performed using an In-Fusion® HD cloning kit (Clontech). The resulting plasmid was named pDZTn: P (CJ7) -gapN (S).
- SEQ ID NO: primer The sequence (5'-3 ') 5 CJ7-F ggcccactagtctcgagGCCGGCATAGCCTACCGAT 9 gapN (S) -R gccaaaacagcctcgagTTATTTGATATCAAATACGACGGATTTA
- the plasmid pDZTn: P (CJ7) -gapN (L) prepared in Example 1-1 and the plasmid pDZTn: P (CJ7) -gapN (S) prepared in Example 1-2 were subjected to electroporation using Corynebacterium (Korean Patent Laid-Open Publication No. 2013-0003648), KCCM11240P P (CJ7) -NCgl2522 (Korea Patent Publication No. 2014-0115244) and KCCM11520P (Korean Patent Laid-Open No.
- a transformant was cultured in a BHIS plate medium containing 25 ⁇ g / ml of kanamycin and X-gal (5-bromo-4-chloro-3-indoline- ⁇ -D- galactoside) infusion 37 g / l, sorbitol 91 g / l, agar 2%) and cultured to form colonies.
- a strain in which the plasmid pDZTn: P (CJ7) -gapN (L) or pDZTn: P (CJ7) -gapN (S) was introduced was selected by selecting a blue colony among the colonies formed therefrom.
- the selected strains were cultured in CM medium (glucose 10 g / l, polypeptone 10 g / l, yeast extract 5 g / l, beef extract 5 g / l, sodium chloride (NaCl) 2.5 g / l, urea 2 g / pH 6.8) and shake-cultured at 30 ° C for 8 hours.
- CM medium glucose 10 g / l, polypeptone 10 g / l, yeast extract 5 g / l, beef extract 5 g / l, sodium chloride (NaCl) 2.5 g / l, urea 2 g / pH 6.8
- the cells were sequentially diluted with 10-4 to 10-10, and then plated on X-gal-containing solid medium and cultured to form colonies.
- Corynebacterium glutamicum mutants were designated as KCCM11240P Tn: P (CJ7) -gapN (L), KCCM11240P Tn: P (CJ7) -gapN (S), KCCM11240P P P (CJ7) -gapN (S), KCCM11520P Tn: P (CJ7) -gapN (L), KCCM11520P Tn: P (CJ7) (S).
- control groups KCCM11240P, KCCM11240PP (CJ7) -NCgl2522, KCCM11520P, DAB12-b, DAB12-bP (CJ7) -NCgl2522, DAB12-b?
- Each of the cultivated strains was inoculated into 25 ml of the production medium at a level of about one platinum, sampled at 30 ° C at 200 rpm for 50 hours, and sampled at the end of 98 hours. When all strains were cultured, 1 mM arginine was added to the medium.
- KCCM11240P Tn P (CJ7) -gapN (L), KCCM11240P Tn: P (CJ7) -gapN (S), DAB12-b Tn: P (CJ7) -gapN (L) and DAB12-b Tn: P (CJ7) -gapN (S) showed comparable levels of putrescine production compared to the control group and KTCM11240P P P (CJ7) -gapN (L), KCCM11240P (CJ7) -NCG2522, and DAB12-bNCG2525 based on 8 mutant strains KCCM11240P P (CJ7) -GapN (S), DAB12-bP (CJ7) -GapN (S), KCCM11520P Tn: P ) -NCgl2522 Tn: P (CJ7) -gapN (L), DAB12-bP (C
- the activity of NADP-dependent glyceraldehyde-3-phosphate dehydrogenase of gapN (L) derived from Bulgaricus and gapN (S) derived from Streptococcus mutant was compared.
- the NADP-dependent glyceraldehyde-3-phosphate dehydrogenase activity of KCCM 11240P Tn: P (CJ7) -gapN (S) to which gapN (S) derived from Streptococcus mutant was introduced was 100 When viewed, L.delbrueckii subsp. It was confirmed that the activity of NADP-dependent glyceraldehyde-3-phosphate dehydrogenase of KCCM 11240P Tn: P (CJ7) -gapN (L) strain from which BulgarNus -derived gapN (L) was introduced was more than 1.5 times higher. As a result, it was confirmed that the activity of NADP-dependent glyceraldehyde-3-phosphate dehydrogenase was higher, and that the amount of NADPH supplied increased the productivity and yield of putrescine.
- a vector was prepared to convert the initiation codon TTG of the gene encoding it into ATG.
- amino acid sequence SEQ ID NO: 10
- nucleotide sequence SEQ ID NO: 11
- the transformation vector pDZ was used. Two gene fragments of about 0.5 kb were amplified using the primers of SEQ ID NOs: 12 and 13 and the primers of SEQ ID NOs: 14 and 15 with the chromosome of Corynebacterium glutamicum ATCC 13032 as a template (Table 6). At this time, the PCR reaction was repeated 30 times for denaturation at 95 ° C for 30 seconds, annealing at 55 ° C for 30 seconds, and extension at 72 ° C for 30 seconds. The PCR product was electrophoresed on 0.8% agarose gel and eluted with a band of a desired size.
- the pDZ vector was treated with XbaI and the PCR products obtained above were subjected to fusion cloning. Fusion cloning was performed using an In-Fusion® HD cloning kit (Clontech). The resulting plasmid was named pDZ-1'tkt (ATG).
- SEQ ID NO: primer The sequence (5'-3 ') 12 NCgl1512_5F CCGGGGATCCTCTAGAGTAGACGCTTGATTGGCGGAC 13 NCgl1512_5R TCCTTCCTGGGTTAAACCGGG 14 NCgl1512_ATG_3F gtttaacccaggaaggaaTGACCACCTTGACGCTGTCAC 15 NCgl1512_3R GCAGGTCGACTCTAGAGTCGAATAGGCCACGCTCAC
- amino acid sequence of a gene having homology with NCgl1512 encoding the transketolase of Corynebacterium glutamicum ATCC 13869 through PCR reaction and sequencing based on the nucleotide sequence of Corynebacterium glutamicum ATCC 13032 ( SEQ ID NO: 16) and a base sequence (SEQ ID NO: 17).
- DA112-b P CJ7 -NCgl2522 (Korea Patent Publication No. 2014-0115244) and DAB12-b? NCgl2523 (Korean Patent Launch No. 2014-0049766) based on Corynebacterium glutamicum ATCC13869 .
- the plasmid pDZ-2'tkt (ATG) prepared in Example 2-1-1 was transformed in the same manner as in Example ⁇ 1-4-1> to prepare a strain in which the start codon of NCgl1512 was substituted with ATG .
- the selected Corynebacterium glutamicum mutant was named DAB12-bP (CJ7) -NCgl2522 tkt (ATG) and DAB12-b ⁇ NCgl2523 tkt (ATG).
- mutants in which the initiation codon of tkt was substituted with ATG in the putrescine-producing strain derived from Corynebacterium glutamicum ATCC 13032 or 13869 were increased in putrescine productivity compared to the control.
- NCgl1512 To enhance the activity of NCgl1512 with transketolase activity, a vector was introduced to introduce the CJ7 promoter before the initiation codon of the NCgl1512 gene in the chromosome.
- the transformation vector pDZ was used. Two gene fragments of about 0.5 kb were amplified using the primers of SEQ ID NOs: 12 and 13 and the primers of SEQ ID NOs: 19 and 15 with the chromosome of Corynebacterium glutamicum ATCC 13032 as a template (Table 8). At this time, the PCR reaction was repeated 30 times for denaturation at 95 ° C for 30 seconds, annealing at 55 ° C for 30 seconds, and extension at 72 ° C for 30 seconds. The PCR product was electrophoresed on 0.8% agarose gel and eluted with a band of a desired size.
- the CJ7 promoter region was obtained by repeating 30 cycles of denaturation at 95 DEG C for 30 seconds, annealing at 55 DEG C for 30 seconds, and 72 DEG C for 30 seconds using the primer pairs of SEQ ID NOS: 18 and 6.
- the pDZ vector was treated with XbaI and the PCR products obtained above were subjected to fusion cloning. Fusion cloning was performed using an In-Fusion® HD cloning kit (Clontech). The resulting plasmid was named pDZ-P (CJ7) -1'tkt (ATG).
- SEQ ID NO: primer The sequence (5'-3 ') 12 NCgl1512_5F CCGGGGATCCTCTAGAGTAGACGCTTGATTGGCGGAC 13 NCgl1512_5R TCCTTCCTGGGTTAAACCGGG 18 NCgl1512-PC7-F gtttaacccaggaaggaGCCGGCATAGCCTACCGAT 6 PC7-R GATATCAGTGTTTCCTTTCGTTGG 19 NCgl1512-PC7-ATG-F aaggaaacactgatatcaTGACCACCTTGACGCTGTCAC 15 NCgl1512_3R GCAGGTCGACTCTAGAGTCGAATAGGCCACGCTCAC
- Corynebacterium glutamicum mutant selected from these was named KCCM11240P P (CJ7) -NCgl2522 P (CJ7) -tkt (ATG) and KCCM11520P P (CJ7) -tkt (ATG).
- the plasmid pDZ-P (CJ7) -2'tkt (ATG) prepared in Example 2-2-1 was transformed in the same manner as in Example ⁇ 1-4-1>, and the CJ7 promoter was introduced in front of the NCgl1512 start codon .
- the Corynebacterium glutamicum mutant was named DAB12-bP (CJ7) -NCgl2522 P (CJ7) -tkt (ATG) and DAB12-b ⁇ NCgl2523 P (CJ7) -tkt (ATG).
- the mutant strain in which the promoter of tkt was replaced with the CJ7 promoter was significantly increased in putrescine productivity compared to the control.
- a vector was introduced to introduce the CJ7 promoter before the initiation codon of the gene encoding the gene in the chromosome.
- the amino acid sequence (SEQ ID NO: 20) and the nucleotide sequence (SEQ ID NO: 21) of the NCgl1514 gene encoding G6PD derived from Corynebacterium glutamicum ATCC 13032 were obtained from NIH GenBank.
- the transformation vector pDZ was used. Two gene fragments of about 0.5 kb were amplified using the primers of SEQ ID NOs: 22 and 23 and the primers of SEQ ID NOs: 25 and 26 with the chromosome of Corynebacterium glutamicum ATCC 13032 as a template (Table 10). At this time, the PCR reaction was repeated 30 times for denaturation at 95 ° C for 30 seconds, annealing at 55 ° C for 30 seconds, and extension at 72 ° C for 30 seconds. The PCR product was electrophoresed on 0.8% agarose gel and eluted with a band of a desired size.
- the CJ7 promoter region was obtained by repeating 30 cycles of denaturation at 95 DEG C for 30 seconds, annealing at 55 DEG C for 30 seconds, and 72 DEG C for 30 seconds using the primer pairs of SEQ ID NOS: 24 and 6, respectively.
- the pDZ vector was treated with XbaI and the PCR products obtained above were subjected to fusion cloning. Fusion cloning was performed using an In-Fusion® HD cloning kit (Clontech). The resulting plasmid was designated pDZ-P (CJ7) -1'zwf.
- SEQ ID NO: primer The sequence (5'-3 ') 22 NCgl1514-5F CCGGGGATCCTCTAGACTGAAGGTGCCAACACTCAGC 23 NCgl1514-5R GATGGTAGTGTCACGATCCTTTC 24 PC7-F (1514) gatcgtgacactaccatcGCCGGCATAGCCTACCGAT 6 PC7-R GATATCAGTGTTTCCTTTCGTTGG 25 NCgl1514-3F (C7-GTG) aaggaaacactgatatcGTGAGCACAAACACGACCCCC 26 NCgl1514-3R GCAGGTCGACTCTAGACGGTGGATTCAGCCATGCC
- amino acid sequence of a gene having homology with NCgl1514 encoding G6PD of Corynebacterium glutamicum ATCC 13869 (SEQ ID NO: 1) through PCR reaction and sequencing based on the nucleotide sequence of Corynebacterium glutamicum ATCC 13032 27) and the nucleotide sequence (SEQ ID NO: 28) were obtained from NIH GenBank.
- two gene fragments of about 0.5 kb were amplified using the primers of SEQ ID NOS: 22 and 29 and the primers of SEQ ID NOS: 25 and 26 with the chromosome of Corynebacterium glutamicum ATCC 13869 as a template (Table 11).
- the PCR reaction was repeated 30 times for denaturation at 95 ° C for 30 seconds, annealing at 55 ° C for 30 seconds, and extension at 72 ° C for 30 seconds.
- the PCR product was electrophoresed on 0.8% agarose gel and eluted with a band of a desired size.
- the CJ7 promoter region was obtained by repeating 30 cycles of denaturation at 95 DEG C for 30 seconds, annealing at 55 DEG C for 30 seconds, and 72 DEG C for 30 seconds using the primer pairs of SEQ ID NOS: 30 and 6, respectively.
- the pDZ vector was treated with XbaI and the PCR products obtained above were subjected to fusion cloning. Fusion cloning was performed using an In-Fusion® HD cloning kit (Clontech). The resulting plasmid was designated pDZ-P (CJ7) -2'zwf.
- SEQ ID NO: primer The sequence (5'-3 ') 22 NCgl1514-5F CCGGGGATCCTCTAGACTGAAGGTGCCAACACTCAGC 29 2 'NCgl1514-5R GATGGTAGCGTCACGATCCTTTC 30 2 'PC7-F (1514) gatcgtgacgctaccatcGCCGGCATAGCCTACCGAT 6 PC7-R GATATCAGTGTTTCCTTTCGTTGG 25 NCgl1514-3F (C7-GTG) aaggaaacactgatatcGTGAGCACAAACACGACCCCC 26 NCgl1514-3R GCAGGTCGACTCTAGACGGTGGATTCAGCCATGCC
- KCCM11240P P CJ7
- the plasmid pDZ-P (CJ7) -1'zwf prepared in -1-1 was transformed in the same manner as in Example ⁇ 1-4-1> to prepare a strain into which the CJ7 promoter was introduced before the start codon of NCgl1514.
- the Corynebacterium glutamicum mutant selected from these was named KCCM11240P P (CJ7) -NCgl2522 P (CJ7) -zwf and KCCM11520P P (CJ7) -zwf.
- the plasmid pDZ-P (CJ7) -2'zwf prepared in Example 3-1-1 was transformed in the same manner as in Example ⁇ 1-4-1 > and a strain in which the CJ7 promoter was introduced in front of the NCgl1512 start codon Respectively.
- the selected Corynebacterium glutamicum mutant was named DAB12-bP (CJ7) -NCgl2522 P (CJ7) -zwf and DAB12-b ⁇ NCgl2523 P (CJ7) -zwf.
- a vector was prepared to introduce the CJ7 promoter in front of the initiation codon of the gene encoding the gene in the chromosome and to substitute the initiation codon GTG with ATG at the same time.
- the transformation vector pDZ was used. Two gene fragments of about 0.5 kb were amplified using the primers of SEQ ID NOs: 22 and 23 and the primers of SEQ ID NOS: 31 and 26, respectively, using the chromosome of Corynebacterium glutamicum ATCC 13032 as a template (Table 13). At this time, the PCR reaction was repeated 30 times for denaturation at 95 ° C for 30 seconds, annealing at 55 ° C for 30 seconds, and extension at 72 ° C for 30 seconds. The PCR product was electrophoresed on 0.8% agarose gel and eluted with a band of a desired size.
- the CJ7 promoter region was obtained by repeating 30 cycles of denaturation at 95 DEG C for 30 seconds, annealing at 55 DEG C for 30 seconds, and 72 DEG C for 30 seconds using the primer pairs of SEQ ID NOS: 24 and 6, respectively.
- the pDZ vector was treated with XbaI and the PCR products obtained above were subjected to fusion cloning. Fusion cloning was performed using an In-Fusion® HD cloning kit (Clontech). The resulting plasmid was designated pDZ-P (CJ7) -1'zwf (ATG).
- SEQ ID NO: primer The sequence (5'-3 ') 22 NCgl1514-5F CCGGGGATCCTCTAGACTGAAGGTGCCAACACTCAGC 23 NCgl1514-5R GATGGTAGTGTCACGATCCTTTC 24 PC7-F (1514) gatcgtgacactaccatcGCCGGCATAGCCTACCGAT 6 PC7-R GATATCAGTGTTTCCTTTCGTTGG 31 NCgl1514-3F (C7-ATG) aaggaaacactgatatcATGAGCACAAACACGACCCCC 26 NCgl1514-3R GCAGGTCGACTCTAGACGGTGGATTCAGCCATGCC
- the CJ7 promoter region was obtained by repeating 30 cycles of denaturation at 95 DEG C for 30 seconds, annealing at 55 DEG C for 30 seconds, and 72 DEG C for 30 seconds using the primer pairs of SEQ ID NOS: 30 and 6, respectively.
- the pDZ vector was treated with XbaI and the PCR products obtained above were subjected to fusion cloning. Fusion cloning was performed using an In-Fusion® HD cloning kit (Clontech). The resulting plasmid was designated pDZ-P (CJ7) -2'zwf (ATG).
- SEQ ID NO: primer The sequence (5'-3 ') 22 NCgl1514-5F CCGGGGATCCTCTAGACTGAAGGTGCCAACACTCAGC 29 2 'NCgl1514-5R GATGGTAGCGTCACGATCCTTTC 30 2 'PC7-F (1514) gatcgtgacgctaccatcGCCGGCATAGCCTACCGAT 6 PC7-R GATATCAGTGTTTCCTTTCGTTGG 31 NCgl1514-3F (C7-ATG) aaggaaacactgatatcATGAGCACAAACACGACCCCC 26 NCgl1514-3R GCAGGTCGACTCTAGACGGTGGATTCAGCCATGCC
- Corynebacterium glutamicum mutants were named KCCM11240P P (CJ7) -NCgl2522 P (CJ7) -zwf (ATG) and KCCM11520P P (CJ7) -zwf (ATG).
- the plasmid pDZ-P (CJ7) -2'zwf (ATG) prepared in Example 3-2-1 was transformed in the same manner as in Example ⁇ 1-4-1>, and the CJ7 promoter was introduced in front of the NCgl1512 start codon .
- the selected Corynebacterium glutamicum mutant was designated as DAB12-bP (CJ7) -NCgl2522 P (CJ7) -zwf (ATG) and DAB12-b ⁇ NCgl2523 P (CJ7) -zwf (ATG).
- 6PGD (6-phosphogluconate dehydrogenase)
- NCgl1396 with 6PGD activity a vector was introduced to introduce NCgl1396 expressed by the CJ7 promoter in the chromosomal transposon gene.
- the amino acid sequence (SEQ ID NO: 32) and the nucleotide sequence (SEQ ID NO: 33) of NCgl1396 encoding Gnd with 6PGD activity from Corynebacterium glutamicum ATCC 13032 were obtained from NIH GenBank, .
- a transfection vector pDZTn was used to introduce a gene in a transposon gene in a chromosome using a transposon gene region of a microorganism belonging to the genus Corynebacterium.
- a gene fragment of about 1.45 kb was amplified using the primers of SEQ ID NOS: 34 and 35 with the chromosome of Corynebacterium glutamicum ATCC 13032 as a template (Table 16).
- the PCR reaction was repeated 30 times at 95 ° C for 30 seconds of denaturation, 55 ° C for 30 seconds of annealing, and 72 ° C for 1 minute and 30 seconds of elongation.
- the PCR product was electrophoresed on 0.8% agarose gel and eluted with a band of a desired size.
- the CJ7 promoter region was obtained by repeating 30 seconds of denaturation at 95 DEG C for 30 seconds, annealing at 55 DEG C for 30 seconds, and 72 DEG C for 30 seconds using the primer pairs of SEQ ID NOS: 5 and 6.
- the pDZ vector was treated with XbaI and the PCR products obtained above were subjected to fusion cloning. Fusion cloning was performed using an In-Fusion® HD cloning kit (Clontech). The resulting plasmid was named pDZTn: P (CJ7) -1'gnd.
- SEQ ID NO: primer The sequence (5'-3 ') 34 NCgl1396-F aaggaacactgatatcATGACTAATGGAGATAATCTCGCAC 35 1 ' NCgl1396-R gccaaaacagcctcgagTTAAGCTTCAACCTCGGAGCG 5 CJ7-F ggcccactagtctcgagGCCGGCATAGCCTACCGAT 6 CJ7-R GATATCAGTGTTTCCTTTCGTTGG
- nucleotide sequence of Corynebacterium glutamicum ATCC 13032 was subjected to PCR reaction and sequencing to determine the amino acid sequence of a gene having homology with NCgl1396 encoding Gnd of Corynebacterium glutamicum ATCC 13869 (SEQ ID NO: 36) and (SEQ ID NO: 37) were obtained from NIH GenBank.
- a gene fragment of about 1.45 kb was amplified using the primers of SEQ ID NOS: 34 and 38 with the chromosome of Corynebacterium glutamicum ATCC 13869 as a template (Table 17).
- the PCR reaction was repeated 30 times for denaturation at 95 ° C for 30 seconds, annealing at 55 ° C for 30 seconds, and extension at 72 ° C for 30 seconds.
- the PCR product was electrophoresed on 0.8% agarose gel and eluted with a band of a desired size.
- the CJ7 promoter region was obtained by repeating 30 seconds of denaturation at 95 DEG C for 30 seconds, annealing at 55 DEG C for 30 seconds, and 72 DEG C for 30 seconds using the primer pairs of SEQ ID NOS: 5 and 6.
- the pDZ vector was treated with XbaI and the PCR products obtained above were subjected to fusion cloning. Fusion cloning was performed using an In-Fusion® HD cloning kit (Clontech). The resulting plasmid was named pDZTn: P (CJ7) -2'gnd.
- SEQ ID NO: primer The sequence (5'-3 ') 34 NCgl1396-F aaggaacactgatatcATGTCTGGAGGATTAGTTACAGC 38 2'NCgl1396-R gccaaaacagcctcgagTTAAGCTTCCACCTCGGAGC 5 CJ7-F ggcccactagtctcgagGCCGGCATAGCCTACCGAT 6 CJ7-R GATATCAGTGTTTCCTTTCGTTGG
- KCCM11520P Korean Patent Laid-Open No. 2014-0049766
- the plasmid pDZTn: P (CJ7) -1'gnd prepared in Example 1 was transformed in the same manner as in Example ⁇ 1-4-1> to confirm that NCgl1396, which is a gene encoding Gnd in transposon, was introduced.
- the Corynebacterium glutamicum mutant was named KCCM11240P P (CJ7) -NCgl2522 Tn: P (CJ7) -gnd and KCCM11520P Tn: P (CJ7) -gnd.
- the plasmid pDZTn: P (CJ7) -1'gnd prepared in Example 4-1 was transformed in the same manner as in Example ⁇ 1-4-1> to introduce NCgl1396, which is a gene encoding Gnd in transposon, Respectively.
- the Corynebacterium glutamicum mutant was named DAB12-bP (CJ7) -NCgl2522 Tn: P (CJ7) -gnd and DAB12-bNCgl2523 Tn: P (CJ7) -gnd.
- Putrescine-producing strain of Corynebacterium produced NCgl1396 encrypting 6PGD in the embodiments 4-2 and 4-3, in order to confirm the effect on the inside when introduced, putrescine production in trans pojon chromosome Solarium Glutamicum mutants were compared with their ability to produce putrescine.
- Corynebacterium glutamicum mutants (KCCM11240P P (CJ7) -NCGL2522, KCCM11520P, DAB12-bP (CJ7) -NCgl2522 and DAB12- PNCJ2522 Tn: P (CJ7) -Gnd, DAB12-BNCg2523 Tn: P (CJ7) -Gnd, KCCM11520P Tn: P -gnd were plated on a CM plate medium containing 1 mM arginine each and cultured for 24 hours at 30 ° C. Each strain was inoculated into 25 ml of the production medium in an amount of one platinum and incubated at 30 ° C. at 200 rpm And incubated for 98 hours. When all strains were cultured, 1 mM arginine was added to the medium.
- E. coli E. coli
- W3110 derived NAD P
- Transhydrogenase Coryneform Construction of vectors for introduction into transposon genes in microbial chromosomes
- amino acid sequence SEQ ID NO: 39
- nucleotide sequence SEQ ID NO: 40
- amino acid sequence SEQ ID NO: 41
- a transfection vector pDZTn was used to introduce a gene in a transposon gene in a chromosome using a transposon gene region of a microorganism belonging to the genus Corynebacterium.
- E. coli W3110 A DNA fragment of about 2.92 kb was amplified using the primers of SEQ ID NOS: 43 and 44 with the chromosome of the strain as a template (Table 19). At this time, the PCR reaction was repeated 30 times for denaturation at 95 ° C for 30 seconds, annealing at 55 ° C for 30 seconds, and extension at 72 ° C for 3 minutes.
- the PCR product was electrophoresed on 0.8% agarose gel and eluted with a band of a desired size.
- the CJ7 promoter region was obtained by repeating 30 seconds of denaturation at 95 DEG C for 30 seconds, annealing at 55 DEG C for 30 seconds, and 72 DEG C for 30 seconds using the primer pairs of SEQ ID NOS: 5 and 6.
- the pDZTn vector was treated with XhoI and the PCR product obtained above was subjected to fusion cloning. Fusion cloning was performed using an In-Fusion® HD cloning kit (Clontech). The resulting plasmid was designated pDZTn: P (CJ7) -pntAB.
- SEQ ID NO: primer The sequence (5'-3 ') 43 Y75_p1579-F aaggaaacactgatatcATGCGAATTGGCATACCAAGAGAAC 44 Y75_p1578-R gccaaaacagcctcgagTTACAGAGCTTTCAGGATTGCATCC 5 CJ7-F ggcccactagtctcgagGCCGGCATAGCCTACCGAT 6 CJ7-R GATATCAGTGTTTCCTTTCGTTGG
- Corynebacterium glutamicum mutant selected from these was named KCCM11240P Tn: P (CJ7) -pntAB, KCCM11240PP (CJ7) -NCgl2522 Tn: P (CJ7) -pntAB.
- DAB12-b Korean Patent Laid-open No. 10-2013-0003648
- DAB12-bP DAB12-bP
- NCgl2522 Korean Patent Laid-Open Patent No. 2014-0115244
- the plasmid pDZTn: P (CJ7) -pntAB prepared in Example 5-1 was transformed in the same manner as in Example ⁇ 1-4-1> to give Y75_p1579, which is a gene encoding the PntAB in the transposon, Y75_p1578 was introduced.
- the selected Corynebacterium glutamicum mutant was designated as DAB12-b Tn: P (CJ7) -pntAB, DAB12-bP (CJ7) -NCgl2522 Tn: P (CJ7) -pntAB.
- mutants in which a putrescine-producing strain derived from Corynebacterium glutamicum ATCC 13032 or 13869 introduced the NADP transhydrogenase pntAB from Escherichia coli showed slight increase in putrescine productivity compared to the control group .
- Example 6-1 Gluconate Kinase gene NCgl2399 , NCgl2905 Construction of defect vector
- NCgl2399 and NCgl2905 are the genes NCgl2399 and NCgl2905 with gluconate kinase activity.
- NCgl2399 and NCgl2905 are the genes having gluconate kinase activity.
- a vector for the deletion of the NCgl2399 gene was constructed.
- the amino acid sequence (SEQ ID NO: 45) and the nucleotide sequence (SEQ ID NO: 46) of the NCgl2399 gene of the Corynebacterium glutamicum ATCC 13032 strain were obtained from NIH GenBank.
- the transformation vector pDZ was used. Two gene fragments of about 0.5 kb were amplified using the primers of SEQ ID NOs: 47 and 48 and the primers of SEQ ID NOs: 49 and 50 with the chromosome of Corynebacterium glutamicum ATCC 13032 as a template (Table 21). At this time, the PCR reaction was repeated 30 times for denaturation at 95 ° C for 30 seconds, annealing at 55 ° C for 30 seconds, and extension at 72 ° C for 30 seconds. The PCR product was electrophoresed on 0.8% agarose gel and eluted with a band of a desired size.
- the pDZ vector was treated with XbaI and the PCR products obtained above were subjected to fusion cloning. Fusion cloning was performed using an In-Fusion® HD cloning kit (Clontech). The resulting plasmid was designated pDZ-1 ' NCgl2399 (K / O).
- SEQ ID NO: primer The sequence (5'-3 ') 47 NCgl2399-del-5F CCGGGGATCCTCTAGAgcccacgctttgtatcaatgg 48 NCgl2399-del-5R GAAGTTCGTCGCCGTCTTTG 49 NCgl2399-del-3F GACGGCGACGAACTTCGGCCGCCCAATCTGCAG 50 NCgl2399-del-3R GCAGGTCGACTCTAGAGGGTGGGGTCTGCTTTGG
- NCgl2905 having gluconate kinase activity was prepared.
- the amino acid sequence (SEQ ID NO: 53) and the nucleotide sequence (SEQ ID NO: 54) of NCgl2905 gene of Corynebacterium glutamicum ATCC 13032 strain were obtained from NIH GenBank.
- the transformation vector pDZ was used. Two gene fragments of about 0.5 kb were amplified using the primers of SEQ ID NOs: 55 and 56 and the primers of SEQ ID NOs: 57 and 58 with the chromosome of Corynebacterium glutamicum ATCC 13032 as a template (Table 22). At this time, the PCR reaction was repeated 30 times for denaturation at 95 ° C for 30 seconds, annealing at 55 ° C for 30 seconds, and extension at 72 ° C for 30 seconds. The PCR product was electrophoresed on 0.8% agarose gel and eluted with a band of a desired size.
- the pDZ vector was treated with XbaI and the PCR products obtained above were subjected to fusion cloning. Fusion cloning was performed using an In-Fusion® HD cloning kit (Clontech). The resulting plasmid was designated pDZ-1 ' NCgl2905 (K / O).
- SEQ ID NO: primer The sequence (5'-3 ') 55 NCgl2905-del-5F CCGGGGATCCTCTAGActgggtcgtggcataagaa 56 NCgl2905-del-5R GTGCCTTTGATTGGGCAGC 57 NCgl2905-del-3F GCCCAATCAAAGGCACGAATTCCTCGCGATGCTTTCC 58 NCgl2905-del-3R GCAGGTCGACTCTAGACTAGACCAACTTGAGGTAGAGG
- the putrescine-producing strain Corynebacterium glutamicum KCCM11240P (Korean Patent Laid-Open Publication No. 2013-0003648) based on Corynebacterium glutamicum ATCC 13032 was cultured in the same manner as in Example 6-1-1 except that the plasmid pDZ- 1 > NCgl2399 (K / O) was transformed in the same manner as in Example ⁇ 1-4-1 > to produce NCgl2399 gene-deficient strain.
- the selected Corynebacterium glutamicum mutant was named KCCM11240P ⁇ NCgl2399.
- the plasmid pDZ-1 'NCgl2905 (K / O) prepared in Example 6-1-2 and the KCCM11240P ⁇ NCgl2399 prepared in Example 6-2-1 were subjected to the same method as in Example ⁇ 1-4-1> To produce a strain in which both NCgl2399 gene and NCgl2905 were deleted.
- the selected Corynebacterium glutamicum mutant was designated as KCCM11240P ⁇ NCgl2399 ⁇ NCgl2905.
- the selected Corynebacterium glutamicum mutant was designated as DAB12-b ⁇ NCgl2399.
- the plasmid pDZ-2 'NCgl2905 (K / O) prepared in Example 6-1-2 was subjected to KCCM11240P ⁇ NCGL2399 prepared in Example 7-2-3 in the same manner as in Example ⁇ 1-4-1> To produce a strain in which both NCgl2399 gene and NCgl2905 were deleted.
- the Corynebacterium glutamicum mutant selected therefrom was named DAB12-b ⁇ NCgl2399 ⁇ NCgl2905.
- Example 6-2-1, 6-2-2, 6-2-3 In order to confirm the effects of the gluconate kinase gene NCgl2399 and NCgl2905 on the putrescine production in the putrescine-producing strain, in the case of Example 6-2-1, 6-2-2, 6-2-3 and The putrescine production ability of the Corynebacterium glutamicum mutants prepared in 6-2-4 was compared in the same manner as in Example 1-4-3.
- mutans strains lacking the gluconate kinase gene NCgl2399 and NCgl2905 in the putrescine-producing strain derived from Corynebacterium glutamicum ATCC 13032 or 13869 were increased in putrescine productivity compared to the control. It was also found that the putrescine productivity of the NCgl2399 and NCgl2905 deficient strains was higher than that of NCgl2399 alone.
- Example 7 NADP Dependent Glyceryl aldehyde -3- Phosphate Dihydrogenase Introduction and production of purresin by transketolase enrichment
- Example 2-1-1 The plasmids prepared in Example 2-1-1 were subjected to the ATCC 13032-based putrescine-producing strain KCCM11240P P (CJ7) -NCgl2522 Tn: P (CJ7) -gapN (S) pDZ-1'tkt (ATG) was transformed in the same manner as in Example ⁇ 1-4-1>.
- the resulting Corynebacterium glutamicum mutant was named KCCM11240P P (CJ7) -NCgl2522 Tn: P (cj7) -gapN (S) tkt (ATG).
- Example 1-4-2 the ATTC 13869-based putrescine-producing strain DAB-b P (CJ7) -NCgl2522 P (CJ7) -gapN (S) prepared in Example 1-4-2 was used Plasmid pDZ-2'tkt (ATG) was transformed in the same manner as in Example ⁇ 1-4-1>.
- the Corynebacterium glutamicum mutant prepared from this was named DAB-b P (CJ7) -NCgl2522 Tn: P (cj7) -gapN (S) tkt (ATG).
- the putrescine-producing strain KCCM11240P P (CJ7) -NCgl2522 Tn: P (CJ7) -gapN (S) prepared in Example 1-4-1 was tested for the plasmid produced in Example 2-2-1 pDZ-P (CJ7) -1'tkt (ATG) was transformed in the same manner as in Example ⁇ 1-4-1>.
- the resulting Corynebacterium glutamicum mutant was named KCCM11240P P (CJ7) -NCgl2522 Tn: P (cj7) -gapN (S) P (CJ7) -tkt (ATG).
- Example 1-4-2 the ATCC 13869-based putrescine-producing strain DAB-b P (CJ7) -NCgl2522 P (CJ7) -gapN (S) prepared in Example 1-4-2 was tested in the same manner as in Example 2-2-1 Plasmid pDZ-P (CJ7) -2'tkt (ATG) was transformed in the same manner as in Example ⁇ 1-4-1>.
- the resulting Corynebacterium glutamicum mutant was named DAB-b P (CJ7) -NCgl2522 Tn: P (cj7) -gapN (S) P (CJ7) -tkt (ATG).
- NADP-dependent glyceraldehyde-3-phosphate dehydrogenase gapN was introduced in the putrescine-producing strain derived from Corynebacterium glutamicum ATCC 13032 or 13869 and the initiation codon of tkt was introduced It was confirmed that putrescine productivity was increased more than that of gapN alone when ATG was substituted or gapN was introduced and the tkt promoter was replaced to increase the expression level.
- Example 8 NADP Dependent Glyceryl aldehyde -3- Phosphate Dihydrogenase Introduction and purine production through enhanced G6PD
- putrescine-producing strains were confirmed when both NADP-dependent glyceraldehyde-3-phosphate dehydrogenase activity and G6PD activity were enhanced.
- Example 3-1-1 The plasmids prepared in Example 3-1-1 were subjected to the ATCC 13032-based putrescine-producing strain KCCM11240P P (CJ7) -NCgl2522 Tn: P (CJ7) -gapN (S) pDZ-P (CJ7) -1'zwf was transformed in the same manner as in Example ⁇ 1-4-1> to prepare a strain into which the CJ7 promoter was introduced before the start codon of NCgl1514.
- the selected Corynebacterium glutamicum mutant was named KCCM11240P P (CJ7) -NCgl2522 Tn: P (CJ7) -gapN (S) P (CJ7) -zwf.
- Example 1-4-2 the ATTC 13869-based putrescine-producing strain DAB-b P (CJ7) -NCgl2522 P (CJ7) -gapN (S) produced in Example 1-4-2 was used
- the plasmid pDZ-P (CJ7) -2'zwf was transformed in the same manner as in Example ⁇ 1-4-1> to prepare a strain into which the CJ7 promoter was introduced before the start codon of NCgl1514.
- the Corynebacterium glutamicum mutant selected from the above was named DAB-b P (CJ7) -NCgl2522 Tn: P (CJ7) -gapN (S) P (CJ7) -zwf.
- NADP-dependent glyceraldehyde-3-phosphate dehydrogenase gapN was introduced in the putrescine-producing strain derived from Corynebacterium glutamicum ATCC 13032 or 13869 and the start codon of zwf When the CJ7 promoter was introduced, it was confirmed that the putrescine productivity was slightly increased as compared with the gapN-only enhanced strain.
- Example 9 NADP Dependent Glyceryl aldehyde -3- Phosphate Dihydrogenase Introduction and production of putrescine through reinforcement of nicotinate phospholiposyl transferase
- NADP-dependent glyceraldehyde-3 was produced in a putrescine-producing strain in order to activate the reaction for synthesizing NADPH from NADP and also to strengthen the ⁇ -nicotinate D-ribonucleotide which is a precursor of NAD and NADP -Phosphate dehydrogenase activity and nicotinate phospholipoxyl transferase activity on enhancing putrescine production were examined. Nicotinate phospholiposyltransferase was applied to genes derived from E. coli and Corynebacterium glutamicum, respectively.
- nicotinate of E. coli W3110 comes Nate Phospholipids see the acyltransferase (EC.2.4.2.11) Preparation of vector for introduction into transposon gene in coryneform microbial chromosome .
- Escherichia coli W3110-derived A vector was introduced to introduce Y75_p0903 encoding the pncB having nicotinate phosphoribosyl transferase activity into the transposon gene in the chromosome.
- the amino acid sequence (SEQ ID NO: 61) and the nucleotide sequence (SEQ ID NO: 62) of the Y75_p0903 gene encoding PncB having the nicotinate phosphoribosyltransferase activity derived from E. coli W3110 were obtained from NIH GenBank, USA .
- a transformation vector pDZTn was used to introduce a gene in a chromosome using a transposon gene region of a microorganism of the genus Corynebacterium.
- the Y75_p0903 gene amplified about 1.2 kb of the gene fragment using the primers of SEQ ID NOS: 63 and 64 with the chromosome of E. coli W3110 as a template (Table 26).
- the PCR reaction was repeated 30 times at 95 ° C for 30 seconds of denaturation, 55 ° C for 30 seconds of annealing, and 72 ° C for 1 minute and 30 seconds of elongation.
- the PCR product was electrophoresed on 0.8% agarose gel and eluted with a band of a desired size.
- the CJ7 promoter region was subjected to PCR under the same conditions using the primer pairs of SEQ ID NOS: 5 and 6 to obtain PCR products.
- the PCR reaction was repeated 30 times for denaturation at 95 ° C for 30 seconds, annealing at 55 ° C for 30 seconds, and extension at 72 ° C for 30 seconds.
- the pDZTn vector was treated with XhoI and the PCR product obtained above was subjected to fusion cloning. Fusion cloning was performed using an In-Fusion® HD cloning kit (Clontech).
- the resulting plasmid was named pDZTn: P (CJ7) -pncB (Eco).
- SEQ ID NO: primer The sequence (5'-3 ') 63 pNCB (Eco) -F aaggaaacactgatatcATGACACAATTCGCTTCTCCTG 64 pncB (Eco) -R gccaaaacagcctcgagTTAACTGGCTTTTTTAATATGCGGAAG 5 CJ7-F ggcccactagtctcgagGCCGGCATAGCCTACCGAT 6 CJ7-R GATATCAGTGTTTCCTTTCGTTGG
- NCgl2431 coding for PncB having the nicotinate phosphoribosyltransferase activity derived from Corynebacterium glutamicum ATCC 13032 into the chromosome was prepared.
- the amino acid sequence (SEQ ID NO: 65) and the nucleotide sequence (SEQ ID NO: 66) of the NCgl2431 gene from Corynebacterium glutamicum ATCC 13032 were obtained from NIH GenBank. At this time, NCG2431 was introduced in the ATG form, not the initiation codon GTG.
- a transformation vector pDZTn was used to introduce a gene in a chromosome using a transposon gene region of a microorganism of the genus Corynebacterium.
- a gene fragment of about 1.3 kb was amplified using the primers of SEQ ID NOS: 67 and 68 with the chromosome of Corynebacterium glutamicum ATCC 13032 as a template (Table 27).
- the PCR reaction was repeated 30 times at 95 ° C for 30 seconds of denaturation, 55 ° C for 30 seconds of annealing, and 72 ° C for 1 minute and 30 seconds of elongation.
- the PCR product was electrophoresed on 0.8% agarose gel and eluted with a band of a desired size.
- the CJ7 promoter region was obtained by repeating 30 seconds of denaturation at 95 DEG C for 30 seconds, annealing at 55 DEG C for 30 seconds, and 72 DEG C for 30 seconds using the primer pairs of SEQ ID NOS: 5 and 6.
- the pDZ vector was treated with XbaI and the PCR products obtained above were subjected to fusion cloning. Fusion cloning was performed using an In-Fusion® HD cloning kit (Clontech). The resulting plasmid was designated pDZTn: P (CJ7) -1'pncB.
- SEQ ID NO: primer The sequence (5'-3 ') 67 1 'NCgl2431-F aaggaaacactgatatcATGAATACCAATCCGTCTGAATTCTCC 68 1'NCgl2431-R gccaaaacagcctcgag CTAAGCGGCCGGCGGGAA 5 CJ7-F ggcccactagtctcgagGCCGGCATAGCCTACCGAT 6 CJ7-R GATATCAGTGTTTCCTTTCGTTGG
- amino acid sequence (SEQ ID NO: 69) of a gene having homology with NCgl2431 of Corynebacterium glutamicum ATCC 13869 (SEQ ID NO: 69) and the base (SEQ ID NO: 70).
- a gene fragment of about 1.45 kb was amplified using the primers of SEQ ID NOS: 71 and 72 with the chromosome of Corynebacterium glutamicum ATCC 13869 as a template (Table 28). At this time, the PCR reaction was repeated 30 times for denaturation at 95 ° C for 30 seconds, annealing at 55 ° C for 30 seconds, and extension at 72 ° C for 30 seconds. The PCR product was electrophoresed on 0.8% agarose gel and eluted with a band of a desired size.
- the CJ7 promoter region was obtained by repeating 30 seconds of denaturation at 95 DEG C for 30 seconds, annealing at 55 DEG C for 30 seconds, and 72 DEG C for 30 seconds using the primer pairs of SEQ ID NOS: 5 and 6.
- the pDZ vector was treated with XbaI and the PCR products obtained above were subjected to fusion cloning. Fusion cloning was performed using an In-Fusion® HD cloning kit (Clontech). The resulting plasmid was designated pDZTn: P (CJ7) -2'pncB.
- SEQ ID NO: primer The sequence (5'-3 ') 71 2 'NCgl2431-F aaggaaacactgatatcATGAATACCAATCCTTCTGAATTCTCC 72 2 'NCgl2431-R gccaaaacagcctcgagCTAAGCGACCGGCGGGAATC 5 CJ7-F ggcccactagtctcgagGCCGGCATAGCCTACCGAT 6 CJ7-R GATATCAGTGTTTCCTTTCGTTGG
- the plasmid pDZTn produced in Example 9-1 was tested for ATCC 13032-based putrescine-producing strain KCCM11240P P (CJ7) -NCgl2522 Tn: P (CJ7) -gapN (S)
- the plasmid pDZTn: P (CJ7) -1'pncB prepared in Example 9-2 was transformed in the same manner as in ⁇ 1-4-1 > to obtain pncB from Escherichia coli W3110 Encoding Y75_p0903 gene or coding for pncB derived from Corynebacterium glutamicum ATCC 13032 produced a strain into which NCgl2431 gene was introduced into transposon.
- CJ7 -GapN (S) Tn P (CJ7) -pncB (Eco), KCCM11240P P (CJ7) -NCgl2522 Tn: P (CJ7) -gapN (S) Tn: P (CJ7) -1'NCgl2431.
- Example 9-1 the plasmid pDZTn (SEQ ID NO: 1) prepared in Example 9-1 was used as the target strain DAB-b P (CJ7) -NCgl2522 P (CJ7) : P (CJ7) -pncB (Eco) and the plasmid pDZTn: P (CJ7) -2'pncB prepared in Example 9-2 were transformed in the same manner as in ⁇ 1-4-1> Encoding the Y75_p0903 gene or the pncB derived from Corynebacterium glutamicum ATCC 13869 was prepared by introducing the NCgl2431 gene into the transposon.
- CJ7 -gapN (S) Tn P (CJ7) -pncB (Eco), DAB-bP CJ7) -NCgl2522 Tn: P (CJ7) -gapN (S) Tn: P (CJ7) -2'NCgl2431.
- Encryption of Y75_p0903 gene encoding PncB derived from Escherichia coli W3110 or PncB derived from Corynebacterium glutamicum was carried out in the same manner as in Example 9-1 to confirm the effect on the production of putrescine when the NCgl2431 gene was enhanced The ability of putrescine to produce Corynebacterium glutamicum mutants was compared.
- Example 10 NADP Dependent Glyceryl aldehyde -3- Phosphate Dihydrogenase Introduction and NAD + Production of putrescine through dephosphatase deficiency
- NCgl0744 gene having NAD + diphosphatase activity was obtained from NIH GenBank. To attenuate the activity of NAD + diphosphatase, a vector was constructed to delete the NCgl0744 gene.
- the transformation vector pDZ was used. Two gene fragments of about 0.5 kb were amplified using the primers of SEQ ID NOs: 75 and 76 and the primers of SEQ ID NOs: 77 and 78 with the chromosome of Corynebacterium glutamicum ATCC 13032 as a template (Table 30). At this time, the PCR reaction was repeated 30 times for denaturation at 95 ° C for 30 seconds, annealing at 55 ° C for 30 seconds, and extension at 72 ° C for 30 seconds. The PCR product was electrophoresed on 0.8% agarose gel and eluted with a band of a desired size.
- the pDZ vector was treated with XbaI and the PCR products obtained above were subjected to fusion cloning. Fusion cloning was performed using an In-Fusion® HD cloning kit (Clontech). The resulting plasmid was designated pDZ-1 ' NCgl0744 (K / O).
- SEQ ID NO: primer The sequence (5'-3 ') 75 0744-del-5F CCGGGGATCCTCTAGAGCAGATGTGTTGCGTCTAGC 76 0744-del-5R TTGTCATTTACCTCCTCGCTAAATAC 77 0744-del-3F cgaggaggtaaatgacaaGGAAGATGAGTTGCCTCAAGG 78 0744-del-3R GCAGGTCGACTCTAGACAGATTACCCGCCACCTGAG
- the plasmid pDZ-1 produced in Example 10-1 was tested for ATCC 13032-based putrescine-producing strain KCCM11240P P (CJ7) -NCgl2522 Tn: P (CJ7) -gapN (S) 1 > NCgl0744 (K / O) was transformed in the same manner as in ⁇ 1-4-1 > to prepare NCgl0744 gene-deficient strain.
- the Corynebacterium glutamicum mutant selected from the above was named KCCM11240PP (CJ7) -NCgl2522 Tn: P (CJ7) -gapN (S)? NCgl0744, KCCM11240P? )? NCgl0744.
- CJ7 -NCGl2522 P (CJ7) -gapN (S) prepared in Example 1-4-2 was tested for the putrescine-producing strain DAB-b P -2 'NCgl0744 (K / O) was transformed in the same manner as in ⁇ 1-4-1> to prepare a strain in which the NCgl0744 gene was deleted.
- Example 10-2-1 In order to confirm the effect of the NAD + diphosphatase gene NCgl0744 on the production of putrescine in the putrescine-producing strain, the Corynebacterium glutamicum mutant prepared in Example 10-2-1 The putrescine production ability was compared in the same manner as in Example 1-4-3.
- NADP-dependent glyceraldehyde-3-phosphate dehydrogenase gapN was introduced in a putrescine-producing strain derived from Corynebacterium glutamicum ATCC 13032 or 13869 and NAD + diphosphatase When NCgl0744 was deleted, the productivity of putrescine was slightly increased.
- NAD + kinase A vector for introducing NCgl1358 expressed by the CJ7 promoter in the intrachromosomal transposon gene was constructed in order to enhance the activity of NCgl1358 having activity.
- a transfection vector pDZTn was used to introduce a gene in a transposon gene in a chromosome using a transposon gene region of a microorganism belonging to the genus Corynebacterium.
- a gene fragment of about 0.96 kb was amplified using the primers of SEQ ID NOS: 83 and 84 with the chromosome of Corynebacterium glutamicum ATCC 13032 as a template (Table 32).
- the PCR reaction was repeated 30 times for denaturation at 95 ° C for 30 seconds, annealing at 55 ° C for 30 seconds, and extension at 72 ° C for 1 minute.
- the PCR product was electrophoresed on 0.8% agarose gel and eluted with a band of a desired size.
- the CJ7 promoter region was obtained by repeating 30 seconds of denaturation at 95 DEG C for 30 seconds, annealing at 55 DEG C for 30 seconds, and 72 DEG C for 30 seconds using the primer pairs of SEQ ID NOS: 5 and 6.
- the pDZ vector was treated with XbaI and the PCR products obtained above were subjected to fusion cloning. Fusion cloning was performed using an In-Fusion® HD cloning kit (Clontech). The resulting plasmid was designated pDZTn: P (CJ7) -1'ppnk.
- SEQ ID NO: primer The sequence (5'-3 ') 83 NCgl1358-F aaggaaacactgatatc_atgactgcacccacgaacgc 84 NCgl1358-R gccaaaacagcctcgag TTACCCCGCTGACCTGGG 5 CJ7-F ggcccactagtctcgag GCCGGCATAGCCTACCGAT 6 CJ7-R GATATCAGTGTTTCCTTTCGTTGG
- amino acid sequence of a gene having homology with NCK1358 encoding ppnK of Corynebacterium glutamicum ATCC 13869 through a PCR reaction and sequencing based on the nucleotide sequence of Corynebacterium glutamicum ATCC 13032 (SEQ ID NO: 85 ) And a base sequence (SEQ ID NO: 86).
- pDZTn P (CJ7) -2'ppnk.
- the plasmid pDZTn produced in Example 11-1 was tested on the ATCC 13032-based putrescine-producing strain KCCM11240P P (CJ7) -NCgl2522 Tn: P (CJ7) -gapN (S) P (CJ7) -1'ppnk was transformed in the same manner as in ⁇ 1-4-1 > to prepare a strain into which NCgl1358 gene was introduced into transposon.
- the Corynebacterium glutamicum mutant selected from this was named KCCM11240P P (CJ7) -NCgl2522 Tn: P (CJ7) -gapN (S) Tn: P (CJ7) -1'ppnk.
- the ATCC 13869-based putrescine-producing strain DAB-b P (CJ7) -NCgl2522 P (CJ7) -gapN (S) prepared in Example 1-4-2 was subjected to plasmid pDZTn : P (CJ7) -2'ppnk was transformed in the same manner as in ⁇ 1-4-1 > to prepare a strain into which NCgl1358 gene was introduced into transposon.
- the Corynebacterium glutamicum mutant selected from the above was named DAB-b P (CJ7) -NCgl2522 Tn: P (CJ7) -gapN (S) Tn: P (CJ7) -2'ppnK.
- NADP-dependent glyceraldehyde-3-phosphate dehydrogenase gapN was introduced in putrescine-producing strains derived from Corynebacterium glutamicum ATCC 13032 or 13869 and Corynebacterium glue Encryption of NAD + kinase, ppnK, derived from Tamikum, showed a slight increase in putrescine productivity when NCgl1358 was enhanced.
- the present application discloses that Corynebacterium, which enhances NADP-dependent glyceraldehyde-3-phosphate dehydrogenase activity by introducing Ldb1179 in a transposon in a Corynebacterium sp.
- CJ7 Korean Center for Microorganism Conservation
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Abstract
Description
서열번호 | 프라이머 | 서열(5'-3') |
3 | gapN(L)-F | aaggaaacactgatatc aTGACAGAACACTATTTAAACTATGTCAATG |
4 | gapN(L)-R | gccaaaacagcctcgagTTAGTCTTCGATGTTGAAGACAACG |
5 | CJ7-F | ggcccactagtctcgagGCCGGCATAGCCTACCGAT |
6 | CJ7-R | GATATCAGTGTTTCCTTTCGTTGG |
서열번호 | 프라이머 | 서열(5'-3') |
5 | CJ7-F | ggcccactagtctcgagGCCGGCATAGCCTACCGAT |
9 | gapN(S)-R | gccaaaacagcctcgagTTATTTGATATCAAATACGACGGATTTA |
균주명 | 퓨트레신(g/L) | 생산성(g/l/min) |
KCCM11240P | 5.8 | 6.96 |
KCCM11240P Tn:P(CJ7)-gapN(L) | 6.4 | 7.68 |
KCCM11240P Tn:P(CJ7)-gapN(S) | 6.3 | 7.56 |
KCCM11240P P(CJ7)-NCgl2522 | 7.3 | 8.76 |
KCCM11240P P(CJ7)-NCgl2522 Tn:P(CJ7)-gapN(L) | 10.6 | 12.72 |
KCCM11240P P(CJ7)-NCgl2522 Tn:P(CJ7)-gapN(S) | 9.8 | 11.76 |
KCCM11520P | 7.0 | 8.40 |
KCCM11520P P(CJ7)-NCgl2522 Tn:P(CJ7)-gapN(L) | 9.8 | 11.76 |
KCCM11520P P(CJ7)-NCgl2522 Tn:P(CJ7)-gapN(S) | 9.2 | 11.04 |
DAB12-b | 6.5 | 7.80 |
DAB12-b Tn:P(CJ7)-gapN(L) | 7.0 | 8.40 |
DAB12-b Tn:P(CJ7)-gapN(S) | 6.9 | 8.28 |
DAB12-b P(CJ7)-NCgl2522 | 7.8 | 9.36 |
DAB12-b P(CJ7)-NCgl2522 Tn:P(CJ7)-gapN(L) | 11.5 | 13.80 |
DAB12-b P(CJ7)-NCgl2522 Tn:P(CJ7)-gapN(S) | 10.7 | 12.84 |
DAB12-b ΔNCgl2523 | 7.5 | 9.00 |
DAB12-b ΔNCgl2523 Tn:P(CJ7)-gapN(L) | 10.6 | 12.72 |
DAB12-b ΔNCgl2523 Tn:P(CJ7)-gapN(S) | 10.1 | 12.12 |
균주명 | 퓨트레신(g/L) | 생산성(g/L/min) |
KCCM11240P | 12.3 | 7.52 |
KCCM11240P Tn:P(cj7)-gapN(L) | 12.5 | 7.65 |
KCCM11240P Tn:P(cj7)-gapN(S) | 12.3 | 7.52 |
KCCM11240P P(CJ7)-NCgl2522 | 15.5 | 9.48 |
KCCM11240P P(CJ7)-NCgl2522 Tn:P(cj7)-gapN(L) | 16.5 | 10.01 |
KCCM11240P P(CJ7)-NCgl2522 Tn:P(cj7)-gapN(S) | 16.0 | 9.79 |
KCCM11520P | 14.5 | 8.87 |
KCCM11520P P(CJ7)-NCgl2522 Tn:P(cj7)-gapN(L) | 15.3 | 9.36 |
KCCM11520P P(CJ7)-NCgl2522 Tn:P(cj7)-gapN(S) | 15.0 | 9.18 |
DAB12-b | 13.1 | 8.02 |
DAB12-b Tn:P(cj7)-gapN(L) | 13.4 | 8.20 |
DAB12-b Tn:P(cj7)-gapN(S) | 13.3 | 8.14 |
DAB12-b P(CJ7)-NCgl2522 | 15.9 | 9.73 |
DAB12-b P(CJ7)-NCgl2522 Tn:P(cj7)-gapN(L) | 16.7 | 10.22 |
DAB12-b P(CJ7)-NCgl2522 Tn:P(cj7)-gapN(S) | 16.4 | 10.04 |
DAB12-b ΔNCgl2523 | 15.0 | 9.18 |
DAB12-b ΔNCgl2523 Tn:P(cj7)-gapN(L) | 15.7 | 9.61 |
DAB12-b ΔNCgl2523 Tn:P(cj7)-gapN(S) | 15.5 | 9.49 |
균주명 | gapN activity (%) |
KCCM 11240P | 0 |
KCCM 11240P Tn:P(CJ7)-gapN(L) | 154 |
KCCM 11240P Tn:P(CJ7)-gapN(S) | 100 |
서열번호 | 프라이머 | 서열(5'-3') |
12 | NCgl1512_5F | CCGGGGATCCTCTAGAGTAGACGCTTGATTGGCGGAC |
13 | NCgl1512_5R | TCCTTCCTGGGTTAAACCGGG |
14 | NCgl1512_ATG_3F | gtttaacccaggaaggaaTGACCACCTTGACGCTGTCAC |
15 | NCgl1512_3R | GCAGGTCGACTCTAGAGTCGAATAGGCCACGCTCAC |
균주명 | 퓨트레신(g/L) | 생산성(g/l/min) |
KCCM11240P P(CJ7)-NCgl2522 | 7.3 | 8.76 |
KCCM11240P P(CJ7)-NCgl2522 tkt(ATG) | 8.3 | 9.96 |
KCCM11520P | 7.0 | 8.40 |
KCCM11520P P(CJ7)-NCgl2522 tkt(ATG) | 7.9 | 9.48 |
DAB12-b P(CJ7)-NCgl2522 | 7.8 | 9.36 |
DAB12-b P(CJ7)-NCgl2522 tkt(ATG) | 8.9 | 10.68 |
DAB12-b ΔNCgl2523 | 7.5 | 9.00 |
DAB12-b ΔNCgl2523 tkt(ATG) | 8.5 | 10.2 |
서열번호 | 프라이머 | 서열(5'-3') |
12 | NCgl1512_5F | CCGGGGATCCTCTAGAGTAGACGCTTGATTGGCGGAC |
13 | NCgl1512_5R | TCCTTCCTGGGTTAAACCGGG |
18 | NCgl1512-PC7-F | gtttaacccaggaaggaGCCGGCATAGCCTACCGAT |
6 | PC7-R | GATATCAGTGTTTCCTTTCGTTGG |
19 | NCgl1512-PC7-ATG-F | aaggaaacactgatatcaTGACCACCTTGACGCTGTCAC |
15 | NCgl1512_3R | GCAGGTCGACTCTAGAGTCGAATAGGCCACGCTCAC |
균주명 | 퓨트레신(g/L) | 생산성(g/l/min) |
KCCM11240P P(CJ7)-NCgl2522 | 7.3 | 8.76 |
KCCM11240P P(CJ7)-NCgl2522 P(CJ7)-tkt(ATG) | 12.4 | 14.94 |
KCCM11520P | 7.0 | 8.4 |
KCCM11520P P(CJ7)-NCgl2522 P(CJ7)-tkt(ATG) | 11.8 | 14.22 |
DAB12-b P(CJ7)-NCgl2522 | 7.8 | 9.36 |
DAB12-b P(CJ7)-NCgl2522 P(CJ7)-tkt(ATG) | 13.4 | 16.08 |
DAB12-b ΔNCgl2523 | 7.5 | 9.00 |
DAB12-b ΔNCgl2523 P(CJ7)-tkt(ATG) | 12.5 | 15.06 |
서열번호 | 프라이머 | 서열(5'-3') |
22 | NCgl1514-5F | CCGGGGATCCTCTAGACTGAAGGTGCCAACACTCAGC |
23 | NCgl1514-5R | GATGGTAGTGTCACGATCCTTTC |
24 | PC7-F(1514) | gatcgtgacactaccatcGCCGGCATAGCCTACCGAT |
6 | PC7-R | GATATCAGTGTTTCCTTTCGTTGG |
25 | NCgl1514-3F(C7-GTG) | aaggaaacactgatatcGTGAGCACAAACACGACCCCC |
26 | NCgl1514-3R | GCAGGTCGACTCTAGACGGTGGATTCAGCCATGCC |
서열번호 | 프라이머 | 서열(5'-3') |
22 | NCgl1514-5F | CCGGGGATCCTCTAGACTGAAGGTGCCAACACTCAGC |
29 | 2'NCgl1514-5R | GATGGTAGCGTCACGATCCTTTC |
30 | 2'PC7-F(1514) | gatcgtgacgctaccatcGCCGGCATAGCCTACCGAT |
6 | PC7-R | GATATCAGTGTTTCCTTTCGTTGG |
25 | NCgl1514-3F(C7-GTG) | aaggaaacactgatatcGTGAGCACAAACACGACCCCC |
26 | NCgl1514-3R | GCAGGTCGACTCTAGACGGTGGATTCAGCCATGCC |
균주명 | 퓨트레신(g/L) | 생산성(g/l/h) |
KCCM11240P P(CJ7)-NCgl2522 | 7.3 | 8.76 |
KCCM11240P P(CJ7)-NCgl2522 P(CJ7)-zwf | 7.9 | 9.48 |
KCCM11520P | 7.0 | 8.40 |
KCCM11520P P(CJ7)-NCgl2522 P(CJ7)-zwf | 7.5 | 9.00 |
DAB12-b P(CJ7)-NCgl2522 | 7.8 | 9.36 |
DAB12-b P(CJ7)-NCgl2522 P(CJ7)-zwf | 8.5 | 10.20 |
DAB12-b ΔNCgl2523 | 7.5 | 9.00 |
DAB12-b ΔNCgl2523 P(CJ7)-zwf | 8.0 | 9.60 |
서열번호 | 프라이머 | 서열(5'-3') |
22 | NCgl1514-5F | CCGGGGATCCTCTAGACTGAAGGTGCCAACACTCAGC |
23 | NCgl1514-5R | GATGGTAGTGTCACGATCCTTTC |
24 | PC7-F(1514) | gatcgtgacactaccatcGCCGGCATAGCCTACCGAT |
6 | PC7-R | GATATCAGTGTTTCCTTTCGTTGG |
31 | NCgl1514-3F(C7-ATG) | aaggaaacactgatatcATGAGCACAAACACGACCCCC |
26 | NCgl1514-3R | GCAGGTCGACTCTAGACGGTGGATTCAGCCATGCC |
서열번호 | 프라이머 | 서열(5'-3') |
22 | NCgl1514-5F | CCGGGGATCCTCTAGACTGAAGGTGCCAACACTCAGC |
29 | 2'NCgl1514-5R | GATGGTAGCGTCACGATCCTTTC |
30 | 2'PC7-F(1514) | gatcgtgacgctaccatcGCCGGCATAGCCTACCGAT |
6 | PC7-R | GATATCAGTGTTTCCTTTCGTTGG |
31 | NCgl1514-3F(C7-ATG) | aaggaaacactgatatcATGAGCACAAACACGACCCCC |
26 | NCgl1514-3R | GCAGGTCGACTCTAGACGGTGGATTCAGCCATGCC |
균주명 | 퓨트레신(g/L) | 생산성(g/l/min) |
KCCM11240P P(CJ7)-NCgl2522 | 7.3 | 8.76 |
KCCM11240P P(CJ7)-NCgl2522 P(CJ7)-zwf(ATG) | 7.9 | 9.48 |
KCCM11520P | 7.0 | 8.40 |
KCCM11520P P(CJ7)-NCgl2522 P(CJ7)-zwf(ATG) | 7.6 | 9.12 |
DAB12-b P(CJ7)-NCgl2522 | 7.8 | 9.36 |
DAB12-b P(CJ7)-NCgl2522 P(CJ7)-zwf(ATG) | 8.6 | 10.32 |
DAB12-b ΔNCgl2523 | 7.5 | 9.00 |
DAB12-b ΔNCgl2523 P(CJ7)-zwf(ATG) | 8.1 | 9.72 |
서열번호 | 프라이머 | 서열(5'-3') |
34 | NCgl1396-F | aaggaaacactgatatcATGACTAATGGAGATAATCTCGCAC |
35 | 1'NCgl1396-R | gccaaaacagcctcgagTTAAGCTTCAACCTCGGAGCG |
5 | CJ7-F | ggcccactagtctcgagGCCGGCATAGCCTACCGAT |
6 | CJ7-R | GATATCAGTGTTTCCTTTCGTTGG |
서열번호 | 프라이머 | 서열(5'-3') |
34 | NCgl1396-F | aaggaaacactgatatcATGTCTGGAGGATTAGTTACAGC |
38 | 2'NCgl1396-R | gccaaaacagcctcgagTTAAGCTTCCACCTCGGAGC |
5 | CJ7-F | ggcccactagtctcgagGCCGGCATAGCCTACCGAT |
6 | CJ7-R | GATATCAGTGTTTCCTTTCGTTGG |
균주명 | 퓨트레신(g/L) | 생산성(g/L/min) |
KCCM11240P P(CJ7)-NCgl2522 | 15.5 | 9.48 |
KCCM11240P P(CJ7)-NCgl2522 Tn:P(CJ7)-gnd | 15.9 | 9.73 |
KCCM11520P | 14.5 | 8.87 |
KCCM11520P P(CJ7)-NCgl2522 Tn:P(CJ7)-gnd | 15.2 | 9.30 |
DAB12-b P(CJ7)-NCgl2522 | 15.9 | 9.73 |
DAB12-b P(CJ7)-NCgl2522 Tn:P(CJ7)-gnd | 16.2 | 9.91 |
DAB12-b ΔNCgl2523 | 15.0 | 9.18 |
DAB12-b ΔNCgl2523 Tn:P(CJ7)-gnd | 15.5 | 9.49 |
서열번호 | 프라이머 | 서열(5'-3') |
43 | Y75_p1579-F | aaggaaacactgatatcATGCGAATTGGCATACCAAGAGAAC |
44 | Y75_p1578-R | gccaaaacagcctcgagTTACAGAGCTTTCAGGATTGCATCC |
5 | CJ7-F | ggcccactagtctcgagGCCGGCATAGCCTACCGAT |
6 | CJ7-R | GATATCAGTGTTTCCTTTCGTTGG |
균주명 | 퓨트레신(g/L) | 생산성(g/l/min) |
KCCM11240P | 5.8 | 6.96 |
KCCM11240P Tn:P(CJ7)-pntAB | 6.1 | 7.32 |
KCCM11240P P(CJ7)-NCgl2522 | 7.3 | 8.76 |
KCCM11240P P(CJ7)-NCgl2522 Tn:P(CJ7)-pntAB | 7.5 | 9.00 |
DAB12-b | 6.5 | 7.80 |
DAB12-b Tn:P(CJ7)-pntAB | 6.7 | 8.04 |
DAB12-b P(CJ7)-NCgl2522 | 7.8 | 9.36 |
DAB12-b P(CJ7)-NCgl2522 Tn:P(CJ7)-pntAB | 8.1 | 9.72 |
서열번호 | 프라이머 | 서열(5'-3') |
47 | NCgl2399-del-5F | CCGGGGATCCTCTAGAgcccacgctttgtatcaatgg |
48 | NCgl2399-del-5R | GAAGTTCGTCGCCGTCTTTG |
49 | NCgl2399-del-3F | GACGGCGACGAACTTCGGCCGCCCAATCTGCAG |
50 | NCgl2399-del-3R | GCAGGTCGACTCTAGAGGGTGGGGTCTGCTTTGG |
서열번호 | 프라이머 | 서열(5'-3') |
55 | NCgl2905-del-5F | CCGGGGATCCTCTAGActgggtcgtggcataagaa |
56 | NCgl2905-del-5R | GTGCCTTTGATTGGGCAGC |
57 | NCgl2905-del-3F | GCCCAATCAAAGGCACGAATTCCTCGCGATGCTTTCC |
58 | NCgl2905-del-3R | GCAGGTCGACTCTAGACTAGACCAACTTGAGGTAGAGG |
균주명 | 퓨트레신(g/L) | 생산성(g/l/min) |
KCCM11240P | 5.8 | 6.96 |
KCCM11240P ΔNCgl2399 | 5.9 | 7.08 |
KCCM11240P ΔNCgl2399 ΔNCgl2905 | 6.4 | 7.68 |
DAB12-b | 6.5 | 7.80 |
DAB12-b ΔNCgl2399 | 6.5 | 7.80 |
DAB12-b ΔNCgl2399 ΔNCgl2905 | 7.1 | 8.52 |
균주명 | 퓨트레신(g/L) | 생산성(g/l/min) |
KCCM11240P P(CJ7)-NCgl2522 | 7.3 | 8.76 |
KCCM11240P P(CJ7)-NCgl2522 Tn:P(cj7)-gapN(S) | 9.9 | 11.88 |
KCCM11240P P(CJ7)-NCgl2522 Tn:P(cj7)-gapN(S) tkt(ATG) | 10.5 | 12.60 |
KCCM11240P P(CJ7)-NCgl2522 Tn:P(cj7)-gapN(S) P(CJ7)-tkt(ATG) | 12.7 | 15.24 |
DAB12-b P(CJ7)-NCgl2522 | 7.9 | 9.48 |
DAB12-b P(CJ7)-NCgl2522 Tn:P(cj7)-gapN(S) | 10.7 | 12.84 |
DAB12-b P(CJ7)-NCgl2522 Tn:P(cj7)-gapN(S) tkt(ATG) | 11.3 | 13.56 |
DAB12-b P(CJ7)-NCgl2522 Tn:P(cj7)-gapN(S) P(CJ7)-tkt(ATG) | 13.6 | 16.32 |
균주명 | 퓨트레신(g/L) | 생산성(g/l/min) |
KCCM11240P P(CJ7)-NCgl2522 | 7.3 | 8.76 |
KCCM11240P P(CJ7)-NCgl2522 Tn:P(CJ7)-gapN(S) | 9.9 | 11.88 |
KCCM11240P P(CJ7)-NCgl2522 Tn:P(CJ7)-gapN(S) P(CJ7)-zwf | 10.0 | 12.00 |
DAB12-b P(CJ7)-NCgl2522 | 7.8 | 9.48 |
DAB12-b P(CJ7)-NCgl2522 Tn:P(CJ7)-gapN(S) | 10.7 | 12.84 |
DAB12-b P(CJ7)-NCgl2522 Tn:P(CJ7)-gapN(S) P(CJ7)-zwf | 10.9 | 13.08 |
서열번호 | 프라이머 | 서열(5'-3') |
63 | pncB(Eco)-F | aaggaaacactgatatcATGACACAATTCGCTTCTCCTG |
64 | pncB(Eco)-R | gccaaaacagcctcgagTTAACTGGCTTTTTTAATATGCGGAAG |
5 | CJ7-F | ggcccactagtctcgagGCCGGCATAGCCTACCGAT |
6 | CJ7-R | GATATCAGTGTTTCCTTTCGTTGG |
서열번호 | 프라이머 | 서열(5'-3') |
67 | 1'NCgl2431-F | aaggaaacactgatatcATGAATACCAATCCGTCTGAATTCTCC |
68 | 1'NCgl2431-R | gccaaaacagcctcgag CTAAGCGGCCGGCGGGAA |
5 | CJ7-F | ggcccactagtctcgagGCCGGCATAGCCTACCGAT |
6 | CJ7-R | GATATCAGTGTTTCCTTTCGTTGG |
서열번호 | 프라이머 | 서열(5'-3') |
71 | 2'NCgl2431-F | aaggaaacactgatatcATGAATACCAATCCTTCTGAATTCTCC |
72 | 2'NCgl2431-R | gccaaaacagcctcgagCTAAGCGACCGGCGGGAATC |
5 | CJ7-F | ggcccactagtctcgagGCCGGCATAGCCTACCGAT |
6 | CJ7-R | GATATCAGTGTTTCCTTTCGTTGG |
균주명 | 퓨트레신(g/L) | 생산성(g/l/min) |
KCCM11240P P(CJ7)-NCgl2522 | 7.3 | 8.76 |
KCCM11240P P(CJ7)-NCgl2522 Tn:P(CJ7)-gapN(S) | 9.9 | 11.88 |
KCCM11240P P(CJ7)-NCgl2522 Tn:P(CJ7)-gapN(S) Tn:P(CJ7)-pncB(Eco) | 10.0 | 12.00 |
KCCM11240P P(CJ7)-NCgl2522 Tn:P(CJ7)-gapN(S) Tn:P(CJ7)-1'NCgl2431 | 10.2 | 12.24 |
DAB12-b P(CJ7)-NCgl2522 | 7.8 | 9.48 |
DAB12-b P(CJ7)-NCgl2522 Tn:P(CJ7)-gapN(S) | 10.7 | 12.84 |
DAB12-b P(CJ7)-NCgl2522 Tn:P(CJ7)-gapN(S) Tn:P(CJ7)-pncB(Eco) | 10.9 | 13.08 |
DAB12-b P(CJ7)-NCgl2522 Tn:P(CJ7)-gapN(S) Tn:P(CJ7)-2'NCgl2431 | 11.1 | 13.32 |
서열번호 | 프라이머 | 서열(5'-3') |
75 | 0744-del-5F | CCGGGGATCCTCTAGAGCAGATGTGTTGCGTCTAGC |
76 | 0744-del-5R | TTGTCATTTACCTCCTCGCTAAATAC |
77 | 0744-del-3F | cgaggaggtaaatgacaaGGAAGATGAGTTGCCTCAAGG |
78 | 0744-del-3R | GCAGGTCGACTCTAGACAGATTACCCGCCACCTGAG |
균주명 | 퓨트레신(g/L) | 생산성(g/l/min) |
KCCM11240P P(CJ7)-NCgl2522 | 7.3 | 8.76 |
KCCM11240P P(CJ7)-NCgl2522 Tn:P(CJ7)-gapN(S) | 9.9 | 11.88 |
KCCM11240P P(CJ7)-NCgl2522 Tn:P(CJ7)-gapN(S) ΔNCgl0744 | 10.1 | 12.12 |
DAB12-b P(CJ7)-NCgl2522 | 7.8 | 9.48 |
DAB12-b P(CJ7)-NCgl2522 Tn:P(CJ7)-gapN(S) | 10.7 | 12.84 |
DAB12-b P(CJ7)-NCgl2522 Tn:P(CJ7)-gapN(S) ΔNCgl0744 | 11.0 | 13.20 |
서열번호 | 프라이머 | 서열(5'-3') |
83 | NCgl1358-F | aaggaaacactgatatc_atgactgcacccacgaacgc |
84 | NCgl1358-R | gccaaaacagcctcgag TTACCCCGCTGACCTGGG |
5 | CJ7-F | ggcccactagtctcgag GCCGGCATAGCCTACCGAT |
6 | CJ7-R | GATATCAGTGTTTCCTTTCGTTGG |
균주명 | 퓨트레신(g/L) | 생산성(g/L/min) |
KCCM11240P P(CJ7)-NCgl2522 | 15.5 | 9.48 |
KCCM11240P P(CJ7)-NCgl2522 Tn:P(CJ7)-gapN(S) | 16.1 | 9.85 |
KCCM11240P P(CJ7)-NCgl2522 Tn:P(CJ7)-gapN(S) Tn:P(CJ7)-1'ppnK | 16.7 | 10.22 |
DAB12-b P(CJ7)-NCgl2522 | 15.9 | 9.73 |
DAB12-b P(CJ7)-NCgl2522 Tn:P(CJ7)-gapN(S) | 16.5 | 10.01 |
DAB12-b P(CJ7)-NCgl2522 Tn:P(CJ7)-gapN(S) Tn:P(CJ7)-2'ppnK | 16.9 | 10.34 |
Claims (7)
- NADPH (reduced nicotinamide adenine dinucleotide phosphate) 생산능이 비변형 미생물에 비해 증가된, 퓨트레신을 생산하는 코리네박테리움 속 미생물.
- 제 1항에 있어서, 상기 미생물은(1) NADP 의존적 글리세르알데드-3-포스페이트 디하이드로게나제(NADP dependent glyceraldehyde-3-phosphate dehydrogenase), 트랜스케톨라제(Transketolase), 글루코스-6-포스포 디하이드로게나제 (Glucose-6- phosphate dehydrogenase), 6-포스포글루코네이트 디하이드로게나제 (6-phosphogluconate dehydrogenase), NAD(P) 트랜스하이드로게나제 (NAD(P) transhydrogenase), 니코티네이트 포스포리보실트랜스퍼라제 (nicotinate phosphoribosyltransferase), 및 NAD+ 키나제 (NAD+ kinase)로 구성되는 그룹 중에서 하나 이상의 활성이 강화되거나,(2) 글루코네이트 키나제 (Gluconate kinase) 및 NAD+ 디포스파타제 (NAD+ diphosphophatase)로 구성되는 그룹 중에서 하나 이상의 활성이 불활성화되거나,(3) (1) 및 (2)의 조합으로 구성되어,NADPH 생산능이 비변형 미생물에 비해 증가된, 퓨트레신을 생산하는 코리네박테리움 속 미생물.
- 제1항에 있어서, 상기 미생물은 추가로 오르니틴 디카복실라아제의 활성이 도입된, 퓨트레신을 생산하는 코리네박테리움 속 미생물.
- 제1항에 있어서, 상기 미생물은 추가적으로 퓨트레신 아세틸트렌스퍼라아제의 활성이 약화된, 퓨트레신을 생산하는 코리네박테리움 속 미생물.
- 제1항에 있어서, 상기 미생물은 추가적으로 퓨트레신 배출단백질의 활성이 강화된, 퓨트레신을 생산하는 코리네박테리움 속 미생물.
- 제1항에 있어서, 상기 미생물은 코리네박테리움 글루타미쿰인, 퓨트레신을 생산하는 미생물.
- (i) 제1항 내지 제6항 중 어느 한 항에 따른 퓨트레신을 생산하는 미생물을 배지에서 배양하는 단계; 및(ii) 상기 배양된 미생물 또는 배지로부터 퓨트레신을 회수하는 단계를 포함하는, 퓨트레신의 생산방법.
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CN117264924B (zh) * | 2023-11-21 | 2024-02-06 | 内蒙古伊品生物科技有限公司 | Bbd29_11900基因突变体及其在制备l-谷氨酸中的应用 |
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CN113785070A (zh) * | 2020-01-21 | 2021-12-10 | Cj第一制糖株式会社 | 利用含有nadp-依赖性甘油醛-3-磷酸脱氢酶的微生物产生l-氨基酸的方法 |
EP3878965A4 (en) * | 2020-01-21 | 2022-03-09 | CJ Cheiljedang Corporation | METHOD FOR PRODUCING L-AMINO ACID USING A MICROORGANISM CONTAINING NADP-DEPENDENT GLYCERADEHYDE-3-PHOSPHATE DEHYDROGENASE |
JP2022521115A (ja) * | 2020-01-21 | 2022-04-06 | シージェイ チェイルジェダン コーポレーション | Nadp依存的グリセルアルデヒド-3-ホスフェートデヒドロゲナーゼを含む微生物を用いてl-アミノ酸を生産する方法 |
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JP7193902B2 (ja) | 2020-01-21 | 2022-12-21 | シージェイ チェイルジェダン コーポレーション | Nadp依存的グリセルアルデヒド-3-ホスフェートデヒドロゲナーゼを含む微生物を用いてl-アミノ酸を生産する方法 |
CN113785070B (zh) * | 2020-01-21 | 2023-10-24 | Cj第一制糖株式会社 | 利用含有nadp-依赖性甘油醛-3-磷酸脱氢酶的微生物产生l-氨基酸的方法 |
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