WO2015165746A1 - Verfahren zur produktion von l-aminosäuren unter verwendung eines alkaliphilen bakteriums - Google Patents
Verfahren zur produktion von l-aminosäuren unter verwendung eines alkaliphilen bakteriums Download PDFInfo
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- BZQFBWGGLXLEPQ-REOHCLBHSA-N phosphoserine Chemical compound OC(=O)[C@@H](N)COP(O)(O)=O BZQFBWGGLXLEPQ-REOHCLBHSA-N 0.000 description 1
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Classifications
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N1/00—Microorganisms, e.g. protozoa; Compositions thereof; Processes of propagating, maintaining or preserving microorganisms or compositions thereof; Processes of preparing or isolating a composition containing a microorganism; Culture media therefor
- C12N1/20—Bacteria; Culture media therefor
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- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N9/00—Enzymes; Proenzymes; Compositions thereof; Processes for preparing, activating, inhibiting, separating or purifying enzymes
- C12N9/0004—Oxidoreductases (1.)
- C12N9/0012—Oxidoreductases (1.) acting on nitrogen containing compounds as donors (1.4, 1.5, 1.6, 1.7)
- C12N9/0014—Oxidoreductases (1.) acting on nitrogen containing compounds as donors (1.4, 1.5, 1.6, 1.7) acting on the CH-NH2 group of donors (1.4)
- C12N9/0016—Oxidoreductases (1.) acting on nitrogen containing compounds as donors (1.4, 1.5, 1.6, 1.7) acting on the CH-NH2 group of donors (1.4) with NAD or NADP as acceptor (1.4.1)
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- C12N9/00—Enzymes; Proenzymes; Compositions thereof; Processes for preparing, activating, inhibiting, separating or purifying enzymes
- C12N9/14—Hydrolases (3)
- C12N9/78—Hydrolases (3) acting on carbon to nitrogen bonds other than peptide bonds (3.5)
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- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N9/00—Enzymes; Proenzymes; Compositions thereof; Processes for preparing, activating, inhibiting, separating or purifying enzymes
- C12N9/14—Hydrolases (3)
- C12N9/78—Hydrolases (3) acting on carbon to nitrogen bonds other than peptide bonds (3.5)
- C12N9/86—Hydrolases (3) acting on carbon to nitrogen bonds other than peptide bonds (3.5) acting on amide bonds in cyclic amides, e.g. penicillinase (3.5.2)
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- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
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- C12N9/00—Enzymes; Proenzymes; Compositions thereof; Processes for preparing, activating, inhibiting, separating or purifying enzymes
- C12N9/88—Lyases (4.)
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- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
- C12P13/00—Preparation of nitrogen-containing organic compounds
- C12P13/04—Alpha- or beta- amino acids
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12Y—ENZYMES
- C12Y104/00—Oxidoreductases acting on the CH-NH2 group of donors (1.4)
- C12Y104/01—Oxidoreductases acting on the CH-NH2 group of donors (1.4) with NAD+ or NADP+ as acceptor (1.4.1)
- C12Y104/01001—Alanine dehydrogenase (1.4.1.1)
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- C12Y305/00—Hydrolases acting on carbon-nitrogen bonds, other than peptide bonds (3.5)
- C12Y305/02—Hydrolases acting on carbon-nitrogen bonds, other than peptide bonds (3.5) in cyclic amides (3.5.2)
- C12Y305/02007—Imidazolonepropionase (3.5.2.7)
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- C12Y—ENZYMES
- C12Y305/00—Hydrolases acting on carbon-nitrogen bonds, other than peptide bonds (3.5)
- C12Y305/03—Hydrolases acting on carbon-nitrogen bonds, other than peptide bonds (3.5) in linear amidines (3.5.3)
- C12Y305/03013—Formimidoylglutamate deiminase (3.5.3.13)
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- C12Y402/00—Carbon-oxygen lyases (4.2)
- C12Y402/01—Hydro-lyases (4.2.1)
- C12Y402/01049—Urocanate hydratase (4.2.1.49)
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- C12Y—ENZYMES
- C12Y403/00—Carbon-nitrogen lyases (4.3)
- C12Y403/01—Ammonia-lyases (4.3.1)
- C12Y403/01003—Histidine ammonia-lyase (4.3.1.3)
Definitions
- the present invention relates to a process for the production of L-amino acids, in which an alkaliphilic bacterium, in particular a strain of the species Corynebacterium humireducens, is used.
- Corynebacterium are used, are known in the art.
- Corynebacterium species are known, these species are usually used bacteria of the species Corynebacterium glutamicum, as this species has been found to be particularly advantageous for the production of L-amino acids.
- the object of the present invention was to provide a new strain which, as an alternative to C. glutamicum, is either directly suitable for the production of L-amino acids because it has a significant overproduction of at least one L-amino acid or else at least as a promising starting strain for the development of a new L-amino acid production strain is considered.
- Bacterium namely a bacterium of the species Corynebacterium humireducens, already naturally the L-amino acids L-alanine, L-glutamic acid and L-valine in a significant amount overproduced.
- C. humireducens thus represents at the same time a suitable starting point for the production of further L-amino acid production strains. Because by corresponding diversion of the bacterial metabolism, the overproduction of said L-amino acids can be converted into an overproduction of other desired L-amino acids. The naturally occurring overproduction of L-alanine is probably due mainly to a highly efficient alanine dehydrogenase found in C. humireducens.
- Corynebacteria have hitherto been described as hat genes, but none of them have such active hat genes whose presence already leads to an accumulation of L-glutamate in the cell interior of the wild type.
- a first subject of the present invention is therefore a method for
- an alkaliphilic bacterium preferably an alkaliphilic coryneform bacterium, in particular an alkaliphilic Corynebacterium, more preferably C. humireducens, is used in this process.
- Alkaline bacteria according to the invention are preferably halotolerant and / or
- an “alkaliphilic bacterium” is meant, according to the invention, a bacterium capable of growing at a pH of 8.5 to 1 1. Preferably, it is to be understood as meaning a bacterium which is also capable of to grow at a pH of 9 to 10.5.
- halotolerant bacterium a bacterium capable of growing at water activities of 0.6 to 0.98, preferably including a bacterium which is capable of doing so Water activities grow from 0.75 to 0.9.
- L-amino acid is to be understood as meaning in particular the proteinogenic L-amino acids.
- the L-amino acid here is preferably selected from L-alanine, L-valine, L-amino acids of the glutamate family, in particular L-glutamate, L-glutamine, L-proline and L-arginine, and L-amino acids of the aspartate family , in particular L-aspartate, L-asparagine, L-methionine, L-lysine, L-isoleucine and L-threonine.
- the L-amino acid is particularly preferably selected from L-alanine, L-valine, L-glutamate, L-methionine, L-lysine and L-threonine, in particular from L-alanine, L-valine, L-glutamate and L- lysine.
- the strain C. humireducens is described for the first time by Wu et al. (International Journal of Systematic and Evolutionary Microbiology (201 1), 61, 882-887). He was deposited with the DSMZ under the accession number DSM 45392, his 16S rRNA was deposited with EMBL and has accession number GQ421281.
- the parent strain is a halotolerant, alkaliphilic, humic acid reducing bacterium.
- the present invention likewise relates to an alanine dehydrogenase (Aid), characterized in that it has a sequence identity of at least 85 or 90%, preferably at least 92, 94, 96 or 98%, especially of 100%, to the sequence according to SEQ ID NO: 72.
- a further subject of the present invention is therefore likewise a polynucleotide which codes for an alanine dehydrogenase according to the invention. It is preferably a polynucleotide having a sequence identity of at least 70 or 75%,
- the present invention therefore also provides the enzymes of the hut cluster, selected from a) a urocanate hydratase (hutU), characterized in that it has a
- a histidine-ammonialase (hutH), characterized in that it has a
- Another object of the present invention are therefore also polynucleotides that code for the genes of the invention hat cluster.
- polynucleotides preferably the following polynucleotides: a) a polynucleotide coding for a uroconate hydratase (hutU), and a
- Sequence identity of at least 70 or 75%, preferably of at least 80 or 85%, more preferably of at least 90 or 95%, especially of 100%, to the sequence of position 301 to 1983 according to SEQ ID NO: 189 and / or under stringent conditions are hybridized with a polynucleotide whose sequence is complementary to the sequence from position 301 to 1983 according to SEQ ID NO: 189;
- Sequence identity of at least 70 or 75%, preferably of at least 80 or 85%, more preferably of at least 90 or 95%, especially of 100%, to the sequence of position 301 to 1851 according to SEQ ID NO: 193 and / or under stringent conditions are hybridized with a polynucleotide whose sequence is complementary to the sequence from position 301 to 1851 according to SEQ ID NO: 193; and d) a polynucleotide encoding a formididoylglutamase (hutG), and a
- Sequence is complementary to the sequence from position 301 to 1209 according to SEQ ID NO: 195.
- stringent conditions is meant according to the invention washing at a salt concentration of 1 ⁇ SSC and 0.1% by weight SDS at a temperature of 80 ° C.
- the present invention also relates to polynucleotides which are complementary to the coding polynucleotides according to the invention are.
- the present invention also relates to vectors, in particular cloning and expression vectors, containing polynucleotides according to the invention.
- vectors can correspondingly be incorporated into microorganisms, in particular coryneform bacteria, in particular of the genus Corynebacterium, or Enterobacteriaceae, in particular of the genus Escherichia.
- a polynucleotide according to the invention can furthermore, for the purpose of expression of the encoded genes, also be incorporated into the genome of microorganisms, in particular into the genome of coryneform bacteria, in particular those of the genus Corynebacterium, or into the genome of Enterobacteriaceae, in particular those of the genus Escherichia.
- Another subject of the present invention are accordingly recombinant microorganisms, preferably bacteria, especially coryneform bacteria, especially those of the genus Corynebacterium, particularly preferably of the species C. humireducens or C. glutamicum, and Enterobacteriaceae, especially those of the genus Escherichia, which is a novel Alanine dehydrogenase and / or one or more, preferably all, enzymes according to the invention of the hat cluster and / or one or more polynucleotides according to the invention and / or vectors according to the invention.
- bacteria especially coryneform bacteria, especially those of the genus Corynebacterium, particularly preferably of the species C. humireducens or C. glutamicum, and Enterobacteriaceae, especially those of the genus Escherichia, which is a novel Alanine dehydrogenase and / or one or more, preferably all, enzymes according to the invention of the
- a preferred object here are recombinant corynebacteria, in particular of the species C. humireducens and of the species C. glutamicum, which contain an alanine dehydrogenase according to the invention and / or a polynucleotide coding for them and / or at least one vector comprising this polynucleotide.
- Further preferred objects here are recombinant corynebacteria, in particular of the species C. humireducens and of the species C. glutamicum, which contain at least one, preferably all, enzyme (s) of the hat cluster and / or polynucleotides coding for them and / or at least one containing these polynucleotides vector.
- a particular object of the present invention are in particular also also
- recombinant microorganisms preferably bacteria, in particular coryneform bacteria, especially those of the genus Cornyebacterium with the exception of the species C.
- humireducens in particular of the species C. glutamicum, which contain an alanine dehydrogenase according to the invention and / or one or more, preferably all, enzymes according to the invention of the hat cluster and / or one or more polynucleotides according to the invention and / or vectors according to the invention.
- a "recombinant microorganism” or “recombinant bacterium” is to be understood as meaning a microorganism or bacterium which has been subjected to at least one genetic engineering measure.
- the genetic engineering measure may be, in particular, a targeted or undirected mutation, the incorporation of a foreign gene, and / or the overexpression or attenuation of a host or alien gene.
- a targeted or undirected mutation the incorporation of a foreign gene, and / or the overexpression or attenuation of a host or alien gene.
- inventive recombinant microorganism or a recombinant bacterium according to the invention by the overexpression or attenuation of at least one gene.
- inventive recombinant microorganism or a recombinant bacterium according to the invention by the overexpression or attenuation of at least one gene.
- Corynebacterium efficiens such as the type strain DSM44549
- Corynebacterium glutamicum such as the type strain ATCC13032 or the strain R
- Corynebacterium ammoniagenes such as the strain
- Corynebacterium humireducens such as strain DSM 45392, and Corynebacterium pekinese, such as strain CGMCC no. 5361.
- Particularly preferred are the species Corynebacterium glutamicum and Corynebacterium humireducens. If in the context of this application the strain Corynebacterium humireducens is mentioned, it is preferably the strain DSM 45392 or a strain derived therefrom.
- Some representatives of the species Corynebacterium glutamicum are also known in the art under other names.
- Corynebacterium acetoacidophilum ATCC13870 Corynebacterium lilium DSM20137, Corynebacterium molassecola ATCC17965, Brevibacterium flavum ATCC14067, Brevibacterium
- Strains designated "ATCC” can be purchased from the American Type Culture Collection (Manassas, Va.) Strains designated “DSM” can be obtained from the German Collection of Microorganisms and Cell Cultures (DSMZ, Braunschweig, Germany). Strains designated “NRRL” may be derived from the
- ARS Agricultural Research Service Patent Culture Collection
- CGMCC China General Microbiological Culture Collection Center
- Another object of the present invention is also a method for overproduction of an L-amino acid, characterized in that in this method an alanine dehydrogenase according to the invention and / or at least one
- Inventive enzyme of the hat cluster preferably all the enzymes according to the invention of the hat cluster, and / or at least one polynucleotide according to the invention and / or a recombinant microorganism according to the invention, preferably a recombinant bacterium according to the invention, in particular a recombinant coryneform bacterium according to the invention, particularly preferably a recombinant corynebacterium according to the invention , especially a Corynebacterium of the species C. humireducens or C. glutamicum, is used.
- a recombinant bacterium according to the invention in particular a recombinant coryneform bacterium according to the invention, particularly preferably a recombinant corynebacterium according to the invention , especially a Corynebacterium of the species C. humireducens or C. glutamicum, is used.
- a preferred according to the invention is
- the at least one polynucleotide according to the invention or the polypeptide encoded by it is used in over-expressed form.
- a preferred subject matter of the present invention is a process for the overproduction of an L-amino acid, characterized in that in this process an alanine dehydrogenase according to the invention and / or at least one polynucleotide coding for them and / or at least one polynucleotide containing vector and / or a recombinant Corynebacterium, preferably of the species C. humireducens or C. glutamicum, which contains an alanine dehydrogenase according to the invention and / or at least one polynucleotide encoding it and / or at least one vector comprising this polynucleotide is used.
- Another preferred subject of the present invention is therefore also a
- Process for the overproduction of an L-amino acid characterized in that in this process at least one enzyme according to the invention of the hut cluster, preferably all enzymes according to the invention of the hat cluster, and / or at least one polynucleotide coding for this enzyme (s), preferably polynucleotides coding for all the enzymes of the hat cluster according to the invention, and / or at least one vector containing said polynucleotide (s) and / or a recombinant corynebacterium, preferably of the species C. humireducens or C.
- glutamicum which contains at least one Enzyme of the hat cluster, preferably all enzymes of the hat cluster according to the invention, and / or at least one polynucleotide encoding this enzyme (s), preferably polynucleotides encoding all enzymes of the hat cluster according to the invention, and / or at least one of these (s) polynucleotide (s) comprising vector is used.
- the L-amino acid produced according to the invention here is preferably selected from L-alanine, L-valine, L-amino acids of the glutamate family, in particular L-glutamate, L-glutamine, L-proline and L-arginine, and L-amino acids of aspartate Family, especially L-aspartate, L-asparagine, L-methionine, L-lysine, L-isoleucine and L-threonine, particularly preferred selected from L-alanine, L-valine, L-glutamate, L-methionine, L-lysine and L-threonine, especially L-alanine, L-valine, L-glutamate and L-lysine.
- the corynebacterium used in the production process according to the invention is preferably selected from C. humireducens and C. glutamicum.
- overproduction or “overproduction” according to the invention with respect to the L-amino acid is meant that the microorganisms produce the L-amino acid beyond its own needs and either accumulate in the cell or excrete and accumulate in the surrounding nutrient medium ,
- the microorganisms are preferably capable of> (at least) 0.25 g / l,> 0.5 g / l,> 1, 0 g / l,> 1, 5 g / l,> 2.0 g / l,> 4 g / l or> 10 g / l of the relevant L-amino acid in ⁇ (maximum) 120 hours, ⁇ 96 hours, ⁇ 48 hours, ⁇ 36 hours, ⁇ 24 hours or ⁇ 12 hours in the cell or in the To enrich or accumulate nutrient medium.
- Recombinant microorganisms according to the invention in which polynucleotides according to the invention and / or vectors according to the invention have been introduced have, in a preferred embodiment, the ability to overproduce an L-amino acid even before the incorporation of the polynucleotides and / or vectors according to the invention.
- the parent strains are preferably strains which have been produced by mutagenesis and selection, by recombinant DNA techniques or by a combination of both methods. It is obvious and requires no further explanation that one becomes one becomes one
- Recombinant microorganism according to the invention can also be achieved by causing a wild strain, in which a polynucleotide according to the invention and / or a vector according to the invention is incorporated or incorporated, then by appropriate further genetic measures causes the L-amino acid to
- Another subject of the present invention are also other polynucleotides from C. humireducens and the polypeptides encoded by these polynucleotides.
- the subject of the present invention is therefore likewise: a) a threonine dehydratase (IIvA, EC 4.3.1 .19) having a sequence identity of at least 90, 95 or 98%, preferably 100%, to the sequence according to SEQ ID NO: 106 and polynucleotides coding for these,
- an isomeroreductase (IIvC, EC 1.1 .1 .86) having a sequence identity of at least 90, 95 or 98%, preferably 100%, to the sequence according to SEQ ID NO: 100 and polynucleotides coding therefor,
- a dihydroxy acid dehydratase (IIvD, EC 4.2.1.9) having a sequence identity of at least 90, 95 or 98%, preferably 100%, to the sequence according to SEQ ID NO: 102 and polynucleotides coding therefor,
- transaminase (IIvE, EC 2.6.1 .42) having a sequence identity of at least 90, 95 or 98%, preferably 100%, to the sequence according to SEQ ID NO: 104 and polynucleotides coding therefor,
- a 3-methyl-2-oxobutanoate hydroxymethyltransferase (PanB, EC 2.1.2.1 1) having a sequence identity of at least 90, 95 or 98%, preferably 100%, to the sequence according to SEQ ID NO: 1 18 and for these h) a pantothenate synthase (PanC, EC 6.3.2.1) with a sequence identity of
- Gdh glutamate dehydrogenase having a sequence identity of at least 90, 95 or 98%, preferably 100%, to the sequence according to SEQ ID NO: 124 as well as polynucleotides coding therefor,
- glutamine synthetase 1 having a sequence identity of at least 90, 95 or 98%, preferably 100%, to the sequence according to SEQ ID NO: 126 and polynucleotides coding therefor,
- glutamine synthetase (glutamine synthetase 2) having a sequence identity of at least 90, 95 or 98%, preferably 100%, to the sequence according to SEQ ID NO: 128 and polynucleotides coding therefor, I) a glutamate synthase with a sequence identity of at least 90, 95 or 98
- an isocitrate dehydrogenase having a sequence identity of at least 90, 95 or 98%, preferably 100%, to the sequence according to SEQ ID NO: 132 and polynucleotides coding therefor,
- citrate synthase having a sequence identity of at least 90, 95 or 98%, preferably 100%, to the sequence according to SEQ ID NO: 136 and polynucleotides coding therefor,
- PepC aminopeptidase C having a sequence identity of at least 90, 95 or 98%, preferably 100%, to the sequence according to SEQ ID NO: 138 as well as polynucleotides coding therefor,
- pyruvate kinase 1 having a sequence identity of at least 90, 95 or 98%, preferably 100%, to the sequence according to SEQ ID NO: 142 and polynucleotides coding therefor,
- pyruvate kinase 2 a pyruvate kinase with a sequence identity of at least
- Pgk phosphoglycerate kinase
- glyceraldehyde-3-phosphate dehydrogenase having a sequence identity of at least 90, 95 or 98%, preferably 100%, to the sequence according to SEQ ID NO: 152 and polynucleotides coding therefor,
- Dehydrogenase 2 having a sequence identity of at least 90, 95 or 98%, preferably 100%, to the sequence according to SEQ ID NO: 154 and polynucleotides coding for these,
- TpiA triosephosphate isomerase
- a fructose bisphosphate aldolase having a sequence identity of at least 90, 95 or 98%, preferably 100%, to the sequence according to SEQ ID NO: 158 and polynucleotides coding therefor,
- aa a 1-phosphofructokinase with a sequence identity of at least 90, 95 or
- CBS cysteine synthase
- CysK cysteine synthase
- ee a cystathionine-beta (AecD) with a sequence identity of at least 90,
- CysK cysteine synthase
- the H protein of a glycine-cleaving system having a sequence identity of at least 90, 95 or 98%, preferably 100%, to the sequence according to
- GcvP glycine-cleaving system
- LipA lipoyl synthase
- LipB lipoyl transferase having a sequence identity of at least 90, 95 or 98%, preferably 100%, to the sequence according to SEQ ID NO: 50 as well as polynucleotides coding therefor,
- LplA lipoate protein ligase
- GcvL dihydrolipoyl dehydrogenase having a sequence identity of at least 90, 95 or 98%, preferably 100%, to the sequence according to SEQ ID NO: 96 and polynucleotides coding therefor,
- yy an O-acetyl homoserine lyase (MetY) having a sequence identity of at least 90, 95 or 98%, preferably 100%, to the sequence according to SEQ ID NO: 62 as well as polynucleotides coding therefor,
- zz a preferably feedback-resistant pyruvate carboxylase (Pye, EC 6.4.1 .1) having a sequence identity of at least 90, 95 or 98%, preferably 100%, to the sequence according to SEQ ID NO: 64 as well as polynucleotides encoding same, aaa ) an optionally feedback-resistant D-3-phosphoglycerate
- SerA Dehydrogenase with a sequence identity of at least 90, 95 or 98%, preferably 100%, to the sequence according to SEQ ID NO: 66 as well as polynucleotides coding therefor,
- a phosphoserine aminotransferase (SerC) having a sequence identity of at least 90, 95 or 98%, preferably 100%, to the sequence according to SEQ ID NO: 1
- ddd the subunit of a sulfate adenylyltransferase (CysD) with a
- fff a sulfite reductase (CysI) with a sequence identity of at least 90, 95 or
- ggg a NADPH-dependent glutamate synthase beta chain (CysJ) with a
- yyj a sulfate transporter (CysZ) having a sequence identity of at least 90, 95 or 98%, preferably 100%, to the sequence according to SEQ ID NO: 86 and polynucleotides coding therefor,
- PtH1 a peptidyl tRNA hydrolase 1 (PtH1) with a sequence identity of at least
- SEQ ID NO: 166 as well as polynucleotides encoding them,
- an L-lysine exporter (LysE, lysine efflux permease) having a sequence identity of at least 90, 95 or 98%, preferably 100%, to the sequence according to SEQ ID NO: 168, as well as polynucleotides coding therefor,
- DapB dihydropicolinate reductase having a sequence identity of at least 90, 95 or 98%, preferably 100%, to the sequence according to SEQ ID NO: 170 and polynucleotides coding for these,
- Sequence identity of at least 90, 95 or 98%, preferably 100%, to the sequence according to SEQ ID NO: 174 as well as polynucleotides coding for them.
- Another subject of the present invention are also vectors containing the aforementioned polynucleotides, as well as recombinant microorganisms containing the aforementioned enzymes and / or polynucleotides and / or vectors.
- the polypeptide and / or polynucleotide in question is present in the microorganism in overexpressed form.
- the recombinant microorganisms are preferably coryneform bacteria, especially um
- Corynebacteria especially those of the species C. humireducens or C. glutamicum.
- Another object of the present invention is therefore also a method for
- an L-amino acid preferably selected from L-alanine, L-valine, L-amino acid Amino acids of the glutamate family, in particular L-glutamate, L-glutamine, L-proline and L-arginine, and L-amino acids of the aspartate family, in particular L-aspartate, L-asparagine, L-methionine, L-lysine, L Isoleucine and L-threonine, more preferably selected from L-alanine, L-valine, L-glutamate, L-methionine, L-lysine and L-threonine, especially from L-alanine, L-valine, L-glutamate and L-lysine in which at least one, preferably at least two, three or four, of said polynucleotides are present in overexpressed form, the method preferably being used in corynebacteria, in particular those of the type C.
- Another subject of the present invention are also other polynucleotides from C. humireducens and the polypeptides encoded by these polynucleotides.
- the present invention therefore also provides: a) a threonine synthase (ThrC, EC 4.2.3.1) having a sequence identity of
- an isopropyl malate synthase (LeuA, EC 2.3.3.13) having a sequence identity of at least 90, 95 or 98%, preferably 100%, to the sequence according to SEQ ID NO: 1 10 and polynucleotides coding for these,
- an isopropyl malate dehydrogenase (LeuB, EC 1.1.1.85) having a sequence identity of at least 90, 95 or 98%, preferably 100%, to the sequence according to SEQ ID NO: 1 12 and polynucleotides coding therefor,
- Sequence identities of at least 90, 95 or 98%, preferably 100%, to the sequences according to SEQ ID NO: 198 or SEQ ID NO: 200 and to polynucleotides coding for them,
- a DNA binding domain of the type HTH tetR having a sequence identity of at least 90, 95 or 98%, preferably 100%, to the sequence according to SEQ ID NO: 2 as well as polynucleotides coding therefor
- a homoserine kinase ThrB, EC 2.7.1.39 having a sequence identity of at least 90, 95 or 98%, preferably 100%, to the sequence according to SEQ ID NO: 4 and polynucleotides coding for these
- a glucose-6-phosphate isomerase (Pgi, EC 5.3.1.9) having a sequence identity of at least 90, 95 or 98%, preferably 100%, to the sequence according to SEQ ID NO: 1
- a methionine transporter having a sequence identity of at least 90, 95 or 98%, preferably 100%, to the sequence according to SEQ ID NO: 12 as well as polynucleotides coding therefor,
- an ATP-dependent methionine transporter (MetN) with a sequence identity of at least 90, 95 or 98%, preferably 100%, to the sequence according to SEQ ID NO: 14 as well as polynucleotides coding therefor,
- a malate quinone oxidoreductase (Mqo, EC 1.1.99.16) having a sequence identity of at least 90, 95 or 98%, preferably 100%, to the sequence according to SEQ ID NO: 176 and polynucleotides coding therefor, r) the El p subunit of a pyruvate dehydrogenase complex (AceE, EC 1 .2.4.1) having a sequence identity of at least 90, 95 or 98%, preferably 100%, to the sequence according to SEQ ID NO: 178 and for these coding polynucleotides, s) a citrate synthase (GltA, EC 4.1 .3.7) having a sequence identity of at least 90, 95 or 98%, preferably 100%, to the sequence according to SEQ ID NO: 180 as well as polynucleotides coding therefor,
- a UDP-N-acetylmuramoyl-alanyl-D-glutamate-2,6-diaminopimelate ligase (MurE, EC 6.3.2.13) having a sequence identity of at least 90, 95 or 98%, preferably 100%, to the sequence according to SEQ ID NO: 184, as well as for these coding polynucleotides.
- Another subject of the present invention are also vectors containing the aforementioned polynucleotides, as well as recombinant microorganisms containing the aforementioned enzymes and / or polynucleotides and / or vectors.
- the polypeptide and / or polynucleotide in question is present in the microorganism in an off or attenuated form.
- the recombinant microorganisms are preferably coryneform bacteria, above all corynebacteria, in particular those of the species C. humireducens or C. glutamicum, in particular of the species C. humireducens.
- Another object of the present invention is therefore also a method for
- an L-amino acid preferably selected from L-alanine, L-valine, L-amino acids of the glutamate family, in particular L-glutamate, L-glutamine, L-proline and L-arginine, and L-amino acids of the aspartate family , in particular L-aspartate, L-asparagine, L-methionine, L-lysine, L-isoleucine and L-threonine, more preferably selected from L-alanine, L-valine, L-glutamate, L-methionine, L-lysine and L-threonine, especially of L-alanine, L-valine, L-glutamate and L-lysine, in which at least one, preferably at least two, three or four, of said polynucleotides in switched off or attenuated form, wherein the method is preferably in corynebacteria, in particular those of the species C. humireducens
- microorganisms or bacteria according to the invention in particular corynebacteria according to the invention, have, in particular, inventive corynebacteria of the species C. humireducens or C. glutamicum, in particular
- L-valine overproducing strains of the invention at least one, preferably at least 2 or 3, more preferably at least 4 or 5, of the following characteristics: a) an overexpressed polynucleotide (ilvA gene) encoding a threonine dehydratase (NvA, EC 4.3.1.19 ), preferably for a threonine dehydratase with a
- Acetolactate synthase (NvB), preferably for the subunit of an acetolactate synthase having a sequence identity of at least 90, 95 or 98%, preferably 100%, to the sequence according to SEQ ID NO: 98, encoded,
- an overexpressed polynucleotide which codes for the preferably feedback-resistant subunit of an acetolactate synthase (NvN, EC 4.1.3.18)
- an overexpressed polynucleotide coding for an isomeroreductase (NvC , EC 1.1.1 .86), preferably for an isomeroreductase having a sequence identity of at least 90, 95 or 98%, preferably 100%, to the sequence according to SEQ ID NO: 100, encoded,
- Dehydratase (NvD, EC 4.2.1.9), preferably for a dihydroxy acid dehydratase having a sequence identity of at least 90, 95 or 98%, preferably 100%, to the sequence according to SEQ ID NO: 102, encoded,
- an overexpressed polynucleotide (ilvE gene) which is suitable for a transaminase (NvE, EC 2.6.1.42), preferably for a transaminase having a sequence identity of at least 90, 95 or 98%, preferably 100%, to the sequence according to SEQ ID NO: 104, coded,
- an overexpressed polynucleotide encoding an acetolactate synthase (IIvH, EC 2.2.1.6), preferably an acetolactate synthase with a
- thrB gene an attenuated polynucleotide (thrB gene) encoding a homoserine kinase (ThrB, EC 2.7.1.39), preferably a homoserine kinase having a sequence identity of at least 90, 95 or 98%, preferably 100%, to the sequence according to SEQ ID NO: 4, encoded,
- thrC gene an attenuated polynucleotide (thrC gene) encoding a threonine synthase
- an overexpressed polynucleotide which is responsible for an optionally feedback-resistant homoserine dehydrogenase (Horn, EC 1 .2.1 .1 1), preferably for a homoserine dehydrogenase with a sequence identity of at least 90, 95 or 98% , preferably 100%, to the sequence according to SEQ ID NO: 46, encoded, k) an attenuated polynucleotide (leuA gene), which optionally represents
- leuB gene an attenuated polynucleotide (leuB gene) encoding an isopropyl malate dehydrogenase (LeuB, EC 1.1.1.85), preferably an isopropyl malate dehydrogenase having a sequence identity of at least 90, 95 or 98%, preferably 100%, to the sequence according to SEQ ID NO: 1 12, encoded,
- Isopropyl malate isomerase (LeuCD, EC 4.2.1.33), preferably for the subunits of an isopropyl malate isomerase with sequence identities of at least 90, 95 or 98%, preferably 100%, to the sequences according to SEQ ID NO: 1 14 and SEQ ID NO: 1 16, code,
- Oxobutanoate hydroxymethyltransferase (PanB, EC 2.1.2.1 1), preferably for a 3-methyl-2-oxobutanoate hydroxymethyltransferase having a sequence identity of at least 90, 95 or 98%, preferably 100%, to the sequence of SEQ ID NO: 1 18, coded,
- panC gene an overexpressed polynucleotide (panC gene), which for a pantothenate synthase (PanC, EC 6.3.2.1), preferably for a pantothenate synthase with a
- a further subject of the present invention is accordingly also a process for the overproduction of an L-amino acid, in particular L-valine, in which such a microorganism or such a bacterium is used.
- L-amino acid in particular L-valine
- microorganisms or bacteria according to the invention in particular corynebacteria according to the invention, in particular inventive corynebacteria of the species C. humireducens or C.
- glutamicum in particular L-glutamate overproducing strains according to the invention, at least one, preferably at least two or three, more preferably at least four or five, of the following features, more preferably in combination with the overexpression of at least one hat gene according to the invention, in particular in combination with the overexpression of all hat genes according to the invention: a) an overexpressed polynucleotide (gdh) which is a glutamate dehydrogenase (Gdh), preferably for a glutamate dehydrogenase having a sequence identity of at least 90, 95 or 98%, preferably 100%, to the sequence according to SEQ ID NO: 124 encoded,
- glucose synthetase 1 glutamine synthetase 1
- glutamine synthetase 2 glutamine synthetase 1
- glutamine synthetase 1 glutamine synthetase 1
- glutamine synthetase 1 glutamine synthetase 1
- glutamine synthetase 1 glutamine synthetase 1
- glutamine synthetase 1 glutamine synthetase 1
- glucose synthetase 2 a glutamine synthetase having a sequence identity of at least 90, 95 or 98%, preferably 100%, to the sequence according to SEQ ID NO: 128 coded
- an overexpressed polynucleotide which codes for a glutamate synthase, preferably for a glutamate synthase having a sequence identity of at least 90, 95 or 98%, preferably 100%, to the sequence according to SEQ ID NO: 130,
- an overexpressed polynucleotide which codes for an isocitrate dehydrogenase, preferably an isocitrate dehydrogenase having a sequence identity of at least 90, 95 or 98%, preferably 100%, to the sequence according to SEQ ID NO: 132, f) an overexpressed one A polynucleotide which encodes an aconitate hydrase, preferably an aconate hydrase having a sequence identity of at least 90, 95 or 98%, preferably 100%, to the sequence according to SEQ ID NO: 134,
- an overexpressed polynucleotide coding for a citrate synthase preferably for a citrate synthase having a sequence identity of at least 90, 95 or 98%, preferably 100%, to the sequence according to SEQ ID NO: 136,
- an overexpressed polynucleotide which codes for an aminopeptidase C (PepC), preferably an aminopeptidase C having a sequence identity of at least 90, 95 or 98%, preferably 100%, to the sequence according to SEQ ID NO: 138, i) an overexpressed polynucleotide which codes for a pyruvate dehydrogenase, preferably a pyruvate dehydrogenase with a sequence identity of at least 90, 95 or 98%, preferably 100%, to the sequence according to SEQ ID NO: 140, j) an overexpressed one A polynucleotide encoding a pyruvate kinase (pyruvate kinase 1), preferably a pyruvate kinase having a sequence identity of at least 90, 95 or 98%, preferably 100%, to the sequence of SEQ ID NO: 142, k) an overexpressed polynucleotide
- gpmA overexpressed polynucleotide
- GpmA 2,3-bisphosphoglycerate-dependent phosphoglycerate mutase
- GpmA 2,3-bisphosphoglycerate-dependent phosphoglycerate mutase
- pgk an overexpressed polynucleotide (pgk) encoding a phosphoglycerate kinase (Pgk), preferably a phosphoglycerate kinase having a sequence identity of at least 90, 95 or 98%, preferably 100%, to the sequence of SEQ ID NO: 150 coded,
- glyceraldehyde-3-phosphate dehydrogenase glycerol-3-phosphate dehydrogenase 1
- glycerol-3-phosphate dehydrogenase 1 glycerol-3-phosphate dehydrogenase 1
- Glyceraldehyde-3-phosphate dehydrogenase having a sequence identity of at least 90, 95 or 98%, preferably 100%, to the sequence encoded according to SEQ ID NO: 152,
- glyceraldehyde-3-phosphate dehydrogenase glycerol-3-phosphate dehydrogenase 2
- glycerol-3-phosphate dehydrogenase 2 glycerol-3-phosphate dehydrogenase 2
- Glyceraldehyde-3-phosphate dehydrogenase having a sequence identity of at least 90, 95 or 98%, preferably 100%, to the sequence encoded according to SEQ ID NO: 154,
- tpiA an overexpressed polynucleotide
- TpiA a triosephosphate isomerase
- a triosephosphate isomerase having a sequence identity of at least 90, 95 or 98%, preferably 100%, to the sequence of SEQ ID NO: 156 coded
- r an overexpressed polynucleotide which codes for a fructose bisphosphate aldolase, preferably a fructose bisphosphate aldolase having a sequence identity of at least 90, 95 or 98%, preferably 100%, to the sequence according to SEQ ID NO: 158,
- an overexpressed polynucleotide encoding a 1-phosphofructokinase, preferably a 1-phosphofructokinase having a sequence identity of at least 90, 95 or 98%, preferably 100%, to the sequence of SEQ ID NO: 160, t) an overexpressed one Polynucleotide encoding a 6-phosphofructokinase, preferably a 6-phosphofructokinase having a sequence identity of at least 90, 95 or 98%, preferably 100%, to the sequence of SEQ ID NO: 162, u) an overexpressed polynucleotide (pgi) which codes for a glucose-6-phosphate isomerase, preferably a glucose-6-phosphate isomerase having a sequence identity of at least 90, 95 or 98%, preferably 100%, to the sequence according to SEQ ID NO: 6,
- v attenuated polynucleotides (sucCD) encoding the subunits of a succinyl CoA ligase (SucCD, EC 6.2.1.5), preferably the subunits of a succinyl CoA ligase having sequence identities of at least 90, 95 or 98%, preferably 100 %, to the sequences according to SEQ ID NO: 198 or SEQ ID NO: 200.
- a further subject of the present invention is accordingly also a process for the overproduction of an L-amino acid, in particular L-glutamate, in which such a microorganism or such a bacterium is used.
- microorganisms or bacteria according to the invention in particular corynebacteria according to the invention, in particular inventive corynebacteria of the species C. humireducens or C. glutamicum, in particular L-alanine overproducing strains according to the invention, at least one, preferably at least two or three, more preferably at least four or five, of the following features, particularly preferably in combination with the overexpression of the ald gene according to the invention: a) an overexpressed polynucleotide (alaD) which codes for an alanine dehydrogenase (AlaD), preferably an alanine dehydrogenase from corynebacteria .
- alaD overexpressed polynucleotide
- an overexpressed polynucleotide which codes for a glyceraldehyde-3-phosphate dehydrogenase (GapA), preferably for a glyceraldehyde-3-phosphate dehydrogenase from corynebacteria
- gapA overexpressed polynucleotide
- GapA glyceraldehyde-3-phosphate dehydrogenase
- IdhA switched-off or attenuated polynucleotide which is responsible for an L-lactate dehydrogenase (LdhA), preferably an L-lactate dehydrogenase
- ppc switched off or attenuated polynucleotide
- Phosphoenolpyruvate carboxylase preferably encoded for a phosphoenolpyruvate carboxylase from corynebacteria
- a switched-off or attenuated polynucleotide which codes for an alanine racemase (Air), preferably an alanine racemase from corynebacteria.
- a further subject of the present invention is accordingly also a process for the overproduction of an L-amino acid, in particular L-alanine, in which such a microorganism or such a bacterium is used.
- microorganisms or bacteria according to the invention in particular corynebacteria according to the invention, in particular inventive corynebacteria of the species C. humireducens or C. glutamicum, in particular L-methionine overproducing strains according to the invention, at least one, preferably at least two or three, more preferably at least four or five, the following features: a) an attenuated polynucleotide (mcbR) encoding a DNA binding domain of the type HTH tetR (McbR), preferably for a DNA binding domain having a sequence identity of at least 90, 95 or 98%, preferably 100%, to the sequence according to SEQ ID NO: 2 coded,
- thrB gene an attenuated polynucleotide (thrB gene) encoding a homoserine kinase (ThrB, EC 2.7.1.39), preferably a homoserine kinase having a sequence identity of at least 90, 95 or 98%, preferably 100%, to the sequence according to SEQ ID NO: 4, coded,
- pgi an attenuated polynucleotide (pgi) encoding a glucose-6-phosphate isomerase (Pgi, EC 5.3.1.9), preferably a glucose-6-phosphate isomerase having a sequence identity of at least 90, 95 or 98%, preferably 100%, to the sequence according to SEQ ID NO: 6, encoded,
- an attenuated polynucleotide encoding a phosphoenolpyruvate carboxykinase (Pck, EC 4.1.1.32), preferably a phosphoenolpyruvate carboxykinase having a sequence identity of at least 90, 95 or 98%, preferably 100%, to the Sequence according to SEQ ID NO: 8, encoded, e) an attenuated polynucleotide (metQ) that binds to a D-methionine
- Lipoprotein (MetQ) preferably for a D-methionine binding lipoprotein having a sequence identity of at least 90, 95 or 98%, preferably 100%, to the sequence according to SEQ ID NO: 10, encoded,
- MethodP preferably for a methionine transporter having a sequence identity of at least 90, 95 or 98%, preferably 100%, to the sequence according to SEQ ID NO: 12, encoded,
- an attenuated polynucleotide (metN) encoding an ATP-dependent methionine transporter (MetN), preferably an ATP-dependent methionine transporter having a sequence identity of at least 90, 95 or 98%, preferably 100%, to the sequence coded according to SEQ ID NO: 14,
- an attenuated polynucleotide encoding an S-adenosylmethionine synthase (MetK), preferably an S-adenosylmethionine synthase having a sequence identity of at least 90, 95 or 98%, preferably 100%, to the
- an attenuated polynucleotide which is suitable for a methionine import system permease (Metl), preferably for a methionine import system permease having a sequence identity of at least 90, 95 or 98%, preferably 100%, to the sequence according to SEQ ID NO: 18, coded,
- Tetrahydrodipicolinate synthase (DapA), preferably for a 4-hydroxy-tetrahydrodipicolinate synthase with a sequence identity of at least 90, 95 or 98%, preferably 100%, to the sequence according to SEQ ID NO: 20, encoded, k) an overexpressed polynucleotide (CBS, cysK) which codes for a cysteine synthase (CBS, CysK), preferably for a cysteine synthase having a sequence identity of at least 90, 95 or 98%, preferably 100%, to the sequence according to SEQ ID NO: 22 .
- CBS, cysK polynucleotide
- cysteine synthase CBS, CysK
- a carboxylate-amine ligase having a sequence identity of at least 90, 95 or 98%, preferably 100%, to the sequence encoded according to SEQ ID NO: 24,
- Branched-chain amino acid transporters (BrnE), preferably one
- Subunit having a sequence identity of at least 90, 95 or 98%, preferably 100%, to the sequence encoded according to SEQ ID NO: 30,
- Branched-chain amino acid transporters (BrnF), preferably one
- Subunit having a sequence identity of at least 90, 95 or 98%, preferably 100%, to the sequence encoded according to SEQ ID NO: 32,
- cysE an overexpressed polynucleotide that is responsible for a serine acetyltransferase
- CysE preferably for a serine acetyltransferase having a sequence identity of at least 90, 95 or 98%, preferably 100%, to the sequence according to SEQ ID NO:
- cysteine synthase preferably a cysteine synthase having a sequence identity of at least 90, 95 or 98%, preferably 100%, to the sequence according to SEQ ID NO: 36,
- gcvH overexpressed polynucleotide encoding the H protein of a glycine-cleaving system (GcvH), preferably an H protein with a
- gcvP polynucleotide
- GcvP glycine-cleaving system
- gcvT polynucleotide encoding the T-protein of a glycine-cleaving system (GcvT), preferably a T-protein with a Sequence identity of at least 90, 95 or 98%, preferably 100%, to the sequence encoded according to SEQ ID NO: 42,
- an overexpressed polynucleotide which is suitable for a serine hydroxymethyltransferase (GlyA), preferably for a serine hydroxymethyltransferase having a sequence identity of at least 90, 95 or 98%, preferably 100%, to the sequence according to SEQ ID NO: 44 coded,
- homoserine dehydrogenase preferably for a homoserine dehydrogenase having a sequence identity of at least 90, 95 or 98%, preferably 100%, to the sequence according to SEQ ID NO: 46 encoded
- NpA polynucleotide
- LipA lipoyl synthase
- NpB polynucleotide
- LipB lipoyl transferase
- an overexpressed polynucleotide which is suitable for a dihydrolipoyl dehydrogenase (Lpd), preferably for a dihydrolipoyl dehydrogenase having a sequence identity of at least 90, 95 or 98%, preferably 100%, to the sequence according to SEQ ID NO: 52 coded,
- an overexpressed polynucleotide which is suitable for a lipoate protein ligase (LplA), preferably for a lipoate protein ligase having a sequence identity of at least 90, 95 or 98%, preferably 100%, to the sequence according to SEQ ID NO: 94 encoded,
- cc an overexpressed polynucleotide (gcvL) which is suitable for a dihydrolipoyl dehydrogenase (GcvL), preferably for a Dihydrolipoyl dehydrogenase with a
- polynucleotide which is suitable for a preferably feedback-resistant aspartate kinase (LysC), preferably for an aspartate kinase having a sequence identity of at least 90, 95 or 98%, preferably 100%, to the sequence according to SEQ ID NO: 54 encoded,
- metalB an overexpressed polynucleotide that is responsible for a cystathionine gamma synthase (MetB), preferably a cystathinonine gamma synthase with a Sequence identity of at least 90, 95 or 98%, preferably 100%, to the
- Reductase preferably for a 5,10-methylenetetrahydrofolate reductase having a sequence identity of at least 90, 95 or 98%, preferably 100%, to the sequence according to SEQ ID NO: 58, encoded,
- gg an overexpressed polynucleotide (metX) which is responsible for a homoserine
- Acetyltransferase (MetX), preferably for a homoserine O-acetyltransferase having a sequence identity of at least 90, 95 or 98%, preferably 100%, to the sequence according to SEQ ID NO: 60, encoded,
- MethodY preferably for an O-acetyl homoserine lyase having a sequence identity of at least 90, 95 or 98%, preferably 100%, to the sequence according to
- an overexpressed polynucleotide which is responsible for a pyruvate carboxylase (Pye), preferably a pyruvate carboxylase having a sequence identity of at least 90, 95 or 98%, preferably 100%, to the sequence according to SEQ ID
- an overexpressed polynucleotide (serA) which is suitable for an optionally feedback-resistant D-3-phosphoglycerate dehydrogenase (SerA), preferably for a D-3
- Phosphoglycerate dehydrogenase having a sequence identity of at least 90, 95 or 98%, preferably 100%, to the sequence according to SEQ ID NO: 66, kk) an overexpressed polynucleotide (serB) suitable for a phosphoserine phosphatase (SerB), preferably for a phosphoserine phosphatase having a sequence identity of at least 90, 95 or 98%, preferably 100%, to the sequence according to SEQ ID NO: 66, kk) an overexpressed polynucleotide (serB) suitable for a phosphoserine phosphatase (SerB), preferably for a phosphoserine phosphatase having a sequence identity of at least 90, 95 or 98%, preferably 100%, to the sequence according to SEQ ID NO: 66, kk) an overexpressed polynucleotide (serB) suitable for a phosphoserine phosphatase (SerB),
- Aminotransferase preferably for a phosphoserine aminotransferase having a sequence identity of at least 90, 95 or 98%, preferably 100%, to the sequence according to SEQ ID NO: 70, encoded,
- an overexpressed polynucleotide encoding the subunit of a sulfate adenylyltransferase (CysD), preferably a subunit having a sequence identity of at least 90, 95 or 98%, preferably 100%, to the sequence of SEQ ID NO: 74 coded, nn) an overexpressed polynucleotide (cysH) which is suitable for adenosine phosphosulfate reductase (CysH), preferably for adenosine phosphosulfate reductase having a sequence identity of at least 90, 95 or 98%, preferably 100%, to the sequence according to SEQ ID NO: 76 encoded,
- sulfite reductase having a sequence identity of at least 90, 95 or 98%, preferably 100%, to the sequence according to SEQ ID NO: 78,
- cysJ polynucleotide coding for (CysJ), preferably one with a sequence identity of at least 90, 95 or 98%, preferably 100%, to the sequence according to SEQ ID NO: 80,
- cysN an overexpressed polynucleotide (cysN) encoding the subunit of a sulfate adenylyltransferase (CysD), preferably a subunit having a
- cystathionine-beta synthase preferably for a cystathionine-beta synthase having a sequence identity of at least 90, 95 or 98%, preferably 100%, to the sequence according to SEQ ID NO: 84, coded,
- ss an overexpressed polynucleotide (cysZ) which is suitable for a putative sulfate transporter (CysZ), preferably for a sulfate transporter having a sequence identity of at least 90, 95 or 98%, preferably 100%, to the sequence according to SEQ ID NO: 86, coded,
- metalE an overexpressed polynucleotide
- MetalE an overexpressed polynucleotide
- MetalE a 5-methyltetrahydropteroyl triglutamate homocysteine methyltransferase
- an overexpressed polynucleotide encoding a peptidyl tRNA hydrolase 1 (PtH1), preferably a peptidyl tRNA hydrolase 1 having a sequence identity of at least 90, 95 or 98%, preferably 100%, to the sequence according to
- ptH2 an overexpressed polynucleotide (ptH2) encoding a peptidyl-tRNA-hydrolase 2 (PtH2), preferably a peptidyl-tRNA-hydrolase 2 with a
- a further subject of the present invention is accordingly also a process for the overproduction of an L-amino acid, in particular L-methionine, in which such a microorganism or such a bacterium is used.
- microorganisms or bacteria according to the invention in particular corynebacteria according to the invention, have, above all
- corynebacteria of the species C. humireducens or C. glutamicum according to the invention at least one, preferably at least 2 or 3, particularly preferably at least 4 or 5, of the following features: a) an overexpressed polynucleotide (dapA), which codes for a dihydrodipicolinate synthase (DapA, EC 4.2.1.52), preferably a dihydrodipicolinate synthase having a sequence identity of at least 90, 95 or 98%, preferably 100%, to the sequence according to SEQ ID NO: 20,
- an overexpressed polynucleotide which is responsible for a preferably feedback-resistant aspartate kinase (LysC, EC 2.7.2.4), preferably for an aspartate kinase having a sequence identity of at least 90, 95 or 98%, preferably 100%, encodes the sequence according to SEQ ID NO: 54,
- ddh an overexpressed polynucleotide (ddh) suitable for a diaminopimelate dehydrogenase (Ddh, EC 1.4.1.16), preferably a diaminopimelate dehydrogenase having a sequence identity of at least 90, 95 or 98%, preferably 100%, to the Sequence coded according to SEQ ID NO: 202,
- an overexpressed polynucleotide which is suitable for an aspartate semialdehyde dehydrogenase (Asd, EC 1 .2.1.1 1), preferably for an aspartate semialdehyde dehydrogenase having a sequence identity of at least 90, 95 or 98%, preferably 100%, coding for the sequence according to SEQ ID NO: 28, e) an overexpressed polynucleotide (lysA) suitable for a diaminopimelate decarboxylase (LysA, EC 4.1 .1.20), preferably for a diaminopimelate decarboxylase having a sequence identity of at least 90, 95 or 98%, preferably 100%, to the sequence according to SEQ ID NO: 164, encoded,
- an overexpressed polynucleotide (aat) encoding an aspartate aminotransferase (AaT, EC 2.6.1.1), preferably an aspartate aminotransferase having a sequence identity of at least 90, 95 or 98%, preferably 100%, to the Sequence according to SEQ ID NO: 166, encoded, g) an overexpressed polynucleotide (lysE) encoding an L-lysine exporter (LysE, lysine efflux permease), preferably an L-lysine exporter having a
- dapB an overexpressed polynucleotide (dapB) encoding a dihydropicolinate reductase (DapB, EC 1 .3.1.26), preferably a dihydropicolinate reductase having a sequence identity of at least 90, 95 or 98%, preferably 100%, to the Sequence according to SEQ ID NO: 170, encoded,
- glucose-6-phosphate dehydrogenase (EC 1.1 .1 .49), preferably a glucose-6-phosphate dehydrogenase having a sequence identity of at least 90, 95 or 98%, preferably 100% , encoded to the sequence according to SEQ ID NO: 172,
- zwf an overexpressed polynucleotide which is responsible for the Zwf subunit of a glucose-6-phosphate dehydrogenase (Zwf, EC 1 .1 .1 .49), preferably for a
- Subunit having a sequence identity of at least 90, 95 or 98%, preferably 100%, to the sequence according to SEQ ID NO: 186, encoded,
- OpcA Glucose-6-phosphate dehydrogenase
- n an overexpressed polynucleotide (gnd) encoding a phosphogluconic acid dehydrogenase (Gnd, EC 1 .1 .1.44), preferably a phosphogluconic acid dehydrogenase having a sequence identity of at least 90, 95 or 98%, preferably 100%, to the Sequence according to SEQ ID NO: 174, encoded,
- a switched off or attenuated polynucleotide which is responsible for a malate quinone oxidoreductase (Mqo, EC 1 .1 .99.16), preferably for a malate quinone oxidoreductase having a sequence identity of at least 90, 95 or 98%, preferably 100%, to the sequence according to SEQ ID NO: 176, encoded,
- a switched-off or attenuated polynucleotide encoding the E1 p subunit of a pyruvate dehydrogenase complex (AceE, EC 1 .2.4.1), preferably an El p subunit having a sequence identity of at least 90, 95 or 98% , preferably 100%, to the sequence according to SEQ ID NO: 178, encoded,
- gltA switched-off or attenuated polynucleotide
- gltA switched-off or attenuated polynucleotide
- a citrate synthase preferably a citrate synthase having a sequence identity of at least 90, 95 or 98%, preferably 100%, to the Sequence according to SEQ ID NO: 180, encoded
- mdh a switched-off or attenuated polynucleotide which is suitable for a malate dehydrogenase (Mdh, EC 1.1 .1 .37), preferably for a malate dehydrogenase having a sequence identity of at least 90, 95 or 98%, preferably 100%, to the sequence according to SEQ ID NO: 182, encoded,
- a switched-off or attenuated polynucleotide encoding a UDP-N-acetylmuramoyl-alanyl-D-glutamate-2,6-diaminopimelate ligase, 6-diaminopimelate ligase (MurE, EC 6.3.2.13), preferably an enzyme with a sequence identity of at least 90, 95 or 98%, preferably 100%, to the sequence according to SEQ ID NO: 184.
- a further subject of the present invention is accordingly also a process for the overproduction of an L-amino acid, in particular L-lysine, in which such a microorganism or such a bacterium is used.
- the aforementioned polynucleotides and polypeptides used or to be used in the method according to the invention are preferably derived from corynebacteria, in particular from C. glutamicum or C. humireducens, more preferably from C. humireducens.
- overexpression is generally understood as meaning an increase in the intracellular concentration or activity of a ribonucleic acid, a protein (polypeptide) or an enzyme which is encoded by a corresponding DNA in a microorganism in comparison to the parent strain (parent strain) or wild-type strain
- An initial stem (parent strain) is the strain on which the
- the increase in concentration or activity can be achieved, for example, by increasing the copy number of the corresponding coding polynucleotides chromosomally or extrachromosomally by at least one copy.
- a widely used method of increasing the copy number consists of incorporating the corresponding coding polynucleotide into a vector, preferably a plasmid, which is replicated by a microorganism, in particular a coryneform bacterium.
- transposons, insertion elements (IS elements) or phages as vectors. The art describes a wealth of suitable vectors.
- Another common method of overexpression is chromosomal gene amplification.
- at least one additional copy of the polynucleotide of interest is inserted into the chromosome of a coryneform
- Another method for achieving overexpression is to link the corresponding gene or allele in a functional manner (operably linked) with a promoter or an expression cassette.
- Suitable promoters for Corynebacterium glutamicum are described for example in FIG. 1 of the review article by Patek et al. (Journal of Biotechnology 104 (1-3), 311-323 (2003)) and in summary presentations such as the "Handbook of Corynebacterium glutamicum” (Ed .: Lothar Eggeling and Michael Bott, CRC Press, Boca Raton, US (2005) )) or the book “Corynebacteria, Genomics and Molecular Biology” (Ed .: Andreas Burkovski, Caister Academic Press, Norfolk, UK (2008)).
- the variants of the dapA promoter described by Vasicova et al for example the promoter A25, can be used.
- the gap promoter of Corynebacterium glutamicum can be used.
- the well-known Amann et al. (Gene 69 (2), 301-315 (1988)) and promoters T3, T7, SP6, M13, lac, tac, and trc, described to Amann and Brosius (Gene 40 (2-3), 183-190 (1985)) become.
- such a promoter may be inserted upstream of the subject gene, typically at a distance of about 1-500 nucleobases from the start codon.
- the activity or concentration of the corresponding polypeptide is preferably at least 10%, 25%, 50%, 75%, 100%, 150%, 200%, 300%, 400% or 500%, at most, preferably 1000 % or 2000%, based on the activity or concentration of the polypeptide in the strain prior to
- the concentration of a protein can be determined by 1 - and 2-dimensional protein gel separation and subsequent optical identification of the protein concentration with appropriate evaluation software in the gel.
- a common method for preparing the protein gels in coryneform bacteria and for identifying the proteins is that described by Hermann et al. (Electrophoresis, 22: 1712-23 (2001)).
- the protein concentration can also be determined by Western blot hybridization with an antibody specific for the protein to be detected (Sambrook et al., Molecular cloning: a laboratory manual, 2nd ed., Cold Spring Harbor Laboratory Press, Cold Spring Harbor, NY, 1989) and subsequent optical evaluation with appropriate software for
- Polypeptids or an enzyme which are encoded by a corresponding DNA, in a microorganism, compared to the parent strain (parent strain) or
- the parent strain is the strain on which the mitigation was performed.
- the attenuation may be achieved by reducing the expression of a polypeptide, for example by using a weak promoter, or by using an allele which codes for a polypeptide having a lower activity and optionally combining these measures.
- the attenuation can also be achieved by completely inhibiting the expression of the polypeptide, for example by switching off the coding gene.
- the activity or concentration of the corresponding polypeptide is preferably increased by at least 10%, 25%, 50% or 75%, at most 100%, based on the activity or concentration of the polypeptide in the strain prior to the attenuation-inducing measure, reduced. In a preferred
- Amino acid production generally enzymes, which in comparison to the wild form a lower Have sensitivity to inhibition by the produced L-amino acid and / or analogs thereof.
- a feedback-resistant aspartate kinase (LysC FBR ) is understood to be an aspartate kinase which has a lower sensitivity to inhibition by mixtures of lysine and threonine or mixtures of AEC (aminoethylcysteine) and threonine or lysine alone or AEC alone compared to wild-type ,
- AEC aminoethylcysteine
- glutamicum are further referred to the following publications: JP1993184366-A, JP1994062866-A, JP1994261766-A, JP1997070291-A, JP1997322774-A, JP1998165180-A, JP1998215883-A, US5688671-A, EP0387527, WO00 / 63388, US3732144, JP6261766, Jetten et al. (1995; Applied
- the following feedback-resistant aspartate kinases from C. humireducens are preferably used: D274Y, A279E, S301Y, T308I, T31I, G359D.
- Hom FBR homoserine dehydrogenase
- strains are preferably used which accordingly contain a feedback-resistant acetolactate synthase.
- leucine production preferably strains are used, which accordingly contain a feedback-resistant isopropyl malate synthase (LeuA FBR ).
- LeuA FBR feedback-resistant isopropyl malate synthase
- strains are preferably used which accordingly contain a feedback-resistant glutamate-5-kinase (ProB FBR ).
- ProB FBR glutamate-5-kinase
- arginine preferably strains are used which accordingly contain a feedback-resistant ornithine carbamoyltransferase (ArgF FBR ).
- strains are preferably used in serine production, which accordingly contain a feedback-resistant D-3-phosphoglycerate dehydrogenase (SerA FBR ).
- SerA FBR D-3-phosphoglycerate dehydrogenase
- Pyc FBR feedback-resistant pyruvate carboxylases
- strains are preferably used in the tryptophan production, the
- a feedback-resistant phospho-2-dehydro-3-deoxyheptonate aldolase (AroG FBR or AroH FBR ) included.
- Microorganisms according to the invention in particular bacteria of the genus Corynebacterium, can be used continuously - as described, for example, in WO 05/021772 - or discontinuously in the batch process (batch cultivation or batch process) or in the fed-batch (feed process) or repeated-fed batch process (repetitive feed method) for the purpose of producing the L-amino acid.
- batch cultivation or batch process or in the fed-batch (feed process) or repeated-fed batch process (repetitive feed method) for the purpose of producing the L-amino acid.
- the culture medium or fermentation medium to be used must suitably satisfy the requirements of the respective strains. Descriptions of culture media of various microorganisms are contained in the Manual of Methods for General Bacteriology of the American Society for Bacteriology (Washington D.C., USA, 1981). The terms culture medium and fermentation medium or medium are mutually exchangeable.
- sugars and carbohydrates such as glucose, sucrose, lactose, fructose, maltose, molasses, sucrose-containing solutions from sugar beet or sugar cane production, starch, starch hydrolyzate and cellulose, oils and fats, such as soybean oil, sunflower oil, peanut oil and coconut fat, fatty acids such as palmitic acid, stearic acid and linoleic acid, alcohols such as glycerol, methanol and ethanol and organic acids such as acetic acid or lactic acid.
- sugars and carbohydrates such as glucose, sucrose, lactose, fructose, maltose, molasses, sucrose-containing solutions from sugar beet or sugar cane production, starch, starch hydrolyzate and cellulose, oils and fats, such as soybean oil, sunflower oil, peanut oil and Coconut fat, fatty acids such as palmitic acid, stearic acid and linoleic acid, alcohols such as glycerol, methanol and ethanol
- organic nitrogen-containing compounds such as peptones, yeast extract, meat extract, malt extract, corn steep liquor, soybean meal and urea or inorganic compounds such as ammonium sulfate, ammonium chloride,
- Ammonium phosphate, ammonium carbonate and ammonium nitrate can be used.
- the nitrogen sources can be used singly or as a mixture.
- a phosphorus source can phosphoric acid, potassium dihydrogen phosphate or
- Dipotassium hydrogen phosphate or the corresponding sodium-containing salts are used.
- the culture medium must further contain salts, for example, in the form of chlorides or sulfates of metals such as sodium, potassium, magnesium, calcium and iron, such as magnesium sulfate or ferric sulfate, necessary for growth.
- salts for example, in the form of chlorides or sulfates of metals such as sodium, potassium, magnesium, calcium and iron, such as magnesium sulfate or ferric sulfate, necessary for growth.
- essential growth substances such as amino acids such as homoserine and vitamins such as thiamine, biotin or pantothenic acid in addition to the above substances can be used.
- the said feedstocks may be added to the culture in the form of a one-time batch or fed in a suitable manner during the cultivation.
- the pH is generally adjusted to a value of 6.0 to 9.0, preferably 6.5 to 8.
- antifoams such as, for example, fatty acid polyglycol esters, can be used.
- suitable, selectively acting substances, such as antibiotics may be added to the medium.
- Gas mixtures such as air entered into the culture.
- liquids enriched with hydrogen peroxide is also possible.
- the fermentation at elevated pressure, for example at a pressure of 0.03 to 0.2 MPa, driven.
- the temperature of the culture is usually 20 ° C to 45 ° C, and preferably 25 ° C to 40 ° C.
- the cultivation is continued until a maximum of the desired L-amino acid, has formed. This goal is usually reached within 10 hours to 160 hours. In continuous Procedures are longer cultivation times possible.
- the activity of the bacteria leads to an accumulation (accumulation) of the L-amino acid in the fermentation medium and / or in the bacterial cells.
- the analysis of L-amino acids to determine the concentration at one or more times in the course of the fermentation can be carried out by separating the L-amino acids by ion exchange chromatography, preferably cation exchange chromatography followed by post-column derivatization using ninhydrin, as described by Spackman et al. (Analytical Chemistry 30: 1 190-1206 (1958)). Instead of ninhydrin and ortho-Phtadialdehyd can be used for Nachklaklaivatmaschine. For a review on ion exchange chromatography, see Pickering (LC-GC (Magazine of Chromatography Science) 7 (6), 484-487 (1989)).
- RP reversed-phase chromatography
- HPLC high performance liquid chromatography
- the invention accordingly also provides a process for preparing an L-amino acid, which comprises carrying out the following steps: a) fermentation of the microorganisms according to the invention, in particular
- coryneform bacteria preferably of the genus Corynebacterium, more preferably of the species Corynebacterium glutamicum or Corynebacterium humireducens, in a suitable nutrient medium, and b) accumulation of the L-amino acid in the nutrient medium and / or in the cells of said bacteria. Subsequently, the preparation or production or recovery of a L-amino acid-containing product takes place in liquid or solid form.
- a fermentation broth containing the relevant L-amino acid is obtained.
- a fermentation broth is understood as meaning a fermentation medium or nutrient medium in which a microorganism has been cultivated for a certain time and at a certain temperature.
- the fermentation medium or the media used during the fermentation contains / contain all substances or
- Fermentation medium or the starting materials such as vitamins such as biotin or salts such as magnesium sulfate.
- the organic by-products include substances which are produced by the microorganisms used in the fermentation in addition to the desired L-amino acid and optionally excreted. These include sugars such as trehalose.
- the fermentation broth is removed from the culture vessel or fermentation vessel, optionally collected, and used to provide an L-amino acid-containing product in liquid or solid form.
- the term "recovery of the L-amino acid-containing product" is used for this purpose.
- the L-amino acid-containing fermentation broth itself represents the product obtained.
- Fermentation medium or the starting materials from the fermentation broth to achieve a concentration or purification of the L-amino acid. In this way, products are isolated which have a desired content of L-amino acid.
- the partial (> 0% to ⁇ 80%) to complete (100%) or nearly complete (> 80% to ⁇ 100%) removal of the water (measure a)) is also referred to as drying.
- the type strain of C. humireducens (DSM 45392) was cultured in the shake flask approach.
- the C. humireducens strain was incubated in 10 ml BHI liquid medium (Brain Heart infusion, Merck) (37 g / l H 2 O) as preculture at 37 ° C. at 200 rpm for 24 hours. Subsequently, 10 ml shake flask medium were placed on a
- OD 6 6o in 0.2 inoculated and cultured at 37 ° C at 200 rpm, 48 h.
- this Medium were 20 g of ammonium sulfate, 0.4 g MgS0 4 * 7H 2 0, 0.6 g KH 2 P0 4 and 10 g of yeast extract dissolved in 750 ml H 2 0. The pH of the solution was adjusted to 7.8 with 20% NH 4 OH and the solution was then autoclaved.
- a vitamin solution (pH 7 with NH 4 OH) consisting of 0.25 g / l thiamine, 50 mg / l cyanocobalamin, 25 mg / l biotin and 1, 25 g / l pyridoxine were added. Furthermore, 140 ml of a sterile-filtered 50% glucose solution and 50 g of dry autoclaved CaC0 3 were added and the medium was then made up to one liter.
- the type strain of C. humireducens produces after 48 h of cultivation in
- the measured values are given after culturing with cells and those of the empty medium.
- Example 2 Glutamate Performance Test
- the type strain of C. humireducens DSM 45392
- the C. humireducens strain was incubated in 10 ml BHI liquid medium (Brain Heart infusion, Merck) (37 g / l H 2 O) as preculture at 37 ° C. at 200 rpm for 24 hours.
- 10 ml of shake flask medium were inoculated to an OD 6 6o on 0.2 and cultured at 37 ° C at 200 rpm, 48 h.
- the supernatant from four parallel cultures was subjected to HPLC analysis to determine the glutamate content with a detection limit of> 0.01 g / l.
- the remaining ingredients were prepared separately and filtered sterile. 20 ml of 50% (w / v) glucose, 1 ml of 1% (w / v) CaCl 2 , 1 ml of 1 M MgSO 4 , 1 ml of 0.02% biotin and 1 ml of trace element solution (1 g FeS0 4 ⁇ 7 H 2 0, 1 g MnS0 4 7 x H 2 0, 0.1 g ZnS0 4 x 7 H 2 0, 0.021 g CuS0 4 x 5 H 2 0, 0.002 g NiCl 2 x 6 H 2 0 to 100 ml H 2 0) was added to the medium and then filled with sterile H 2 0 to 1000 ml.
- AEC + threonine screening were cultured in shake flasks and subjected to a performance test for their lysine synthesis on a shake flask scale.
- the C. humireducens strain and the isolated AEC + threonine resistant C. humireducens clones were incubated in 10 ml BHI liquid medium (Brain Heart infusion; Merck) (37 g / l H 2 O) as pre-culture at 37 ° C. incubated for 24 h.
- 10 ml of shake flask medium were inoculated to an OD 6 6o on 0.2 and cultured at 37 ° C at 200 rpm, 48 h. to
- Morpholinopropanesulfonic acid 25 g (NH 4) 2 S0 4, 0.1 g KH 2 P0 4, 1 g MgS0 4 * 7H 2 0, 0.01 g CaCl 2 * 2H 2 0, 0.01 g of FeS0 4 * 7H 2 0, 0.005 g MnS0 4 * H 2 0 dissolved in 750 ml H 2 0, the pH was adjusted to 7.0 with ammonia water and autoclaved. Subsequently, 25 g of dry autoclaved CaC0 3 were added. The remaining ingredients were prepared separately and filtered sterile.
- MOPS Morpholinopropanesulfonic acid
- the supernatant from two parallel cultures was subjected to HPLC analysis to determine the L-lysine contents with a detection limit of> 0.01 g / l.
- the lysine end titers and yields of the cultivations are shown in the table below.
- Table 3 Mean values and standard deviation of the lysine end titers of two parallel cultures with AEC + threonine resistant C. humireducens clones after 48 h cultivation in
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US15/307,372 US20170051323A1 (en) | 2014-04-30 | 2015-04-16 | Method for Producing L-Amino Acids Using an Alkaliphilic Bacteria |
JP2016560997A JP2017514464A (ja) | 2014-04-30 | 2015-04-16 | 好アルカリ菌を使用するl−アミノ酸の製造方法 |
BR112016023707A BR112016023707A2 (pt) | 2014-04-30 | 2015-04-16 | método para produzir l-aminoácidos com o uso de uma bactéria alcalifílica |
MX2016013950A MX376105B (es) | 2014-04-30 | 2015-04-16 | Método para producir l-aminoacidos utilizando una bacteria alcalifílica. |
CN201580023593.6A CN106574254A (zh) | 2014-04-30 | 2015-04-16 | 使用嗜碱性细菌生产l‑氨基酸的方法 |
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US (1) | US20170051323A1 (de) |
JP (1) | JP2017514464A (de) |
KR (1) | KR102250342B1 (de) |
CN (1) | CN106574254A (de) |
BR (1) | BR112016023707A2 (de) |
MX (1) | MX376105B (de) |
MY (1) | MY179341A (de) |
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WO (1) | WO2015165746A1 (de) |
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WO2016146633A1 (en) * | 2015-03-18 | 2016-09-22 | Basf Se | Recombinant microorganism for improved production of fine chemicals |
JP2019531757A (ja) * | 2016-10-26 | 2019-11-07 | 味の素株式会社 | 目的物質の製造方法 |
WO2022207543A1 (en) | 2021-04-01 | 2022-10-06 | Evonik Operations Gmbh | Enzymatic method for producing l-glufosinate and its phosphoesters |
WO2023166027A1 (en) * | 2022-03-01 | 2023-09-07 | Metabolic Explorer | Microorganism and method for the improved production of leucine and/or isoleucine |
WO2024061455A1 (en) | 2022-09-21 | 2024-03-28 | Evonik Operations Gmbh | Enzymatic method for producing l-glufosinate and its phosphoesters |
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GB2545261A (en) * | 2015-12-11 | 2017-06-14 | Jaguar Land Rover Ltd | Control system and method of controlling a driveline |
EP3625351A1 (de) * | 2017-05-19 | 2020-03-25 | Zymergen Inc. | Genomische manipulation von biosynthesewegen, die zu erhöhtem nadph führen |
KR102198072B1 (ko) * | 2020-03-04 | 2021-01-04 | 씨제이제일제당 주식회사 | 글루타민 신테타아제 변이형 폴리펩티드 및 이를 이용한 l-글루타민 생산 방법 |
KR102344689B1 (ko) * | 2020-09-01 | 2021-12-29 | 씨제이제일제당 주식회사 | L-발린 생산 미생물 및 이를 이용한 l-발린 생산 방법 |
MX2023002783A (es) * | 2020-09-09 | 2023-03-15 | Cj Cheiljedang Corp | Un microorganismo recombinante para producir acido l-glutamico y un metodo para producir acido l-glutamico utilizando el mismo. |
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CN114507273B (zh) * | 2022-03-14 | 2024-05-07 | 宁夏伊品生物科技股份有限公司 | Yh66_07020蛋白及其相关生物材料在提高精氨酸产量中的应用 |
KR20240138673A (ko) * | 2023-03-10 | 2024-09-20 | 씨제이제일제당 (주) | L-알라닌 생산 미생물 및 이를 이용한 l-알라닌 생산 방법 |
WO2025002383A1 (en) * | 2023-06-28 | 2025-01-02 | Westlake University | Regulation of cellular energy metabolism by lipoate protein ligase and its applications |
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- 2015-04-16 KR KR1020167033499A patent/KR102250342B1/ko active Active
- 2015-04-16 BR BR112016023707A patent/BR112016023707A2/pt not_active Application Discontinuation
- 2015-04-16 MX MX2016013950A patent/MX376105B/es active IP Right Grant
- 2015-04-16 RU RU2016144069A patent/RU2702416C2/ru active
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Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2016146633A1 (en) * | 2015-03-18 | 2016-09-22 | Basf Se | Recombinant microorganism for improved production of fine chemicals |
US10717998B2 (en) | 2015-03-18 | 2020-07-21 | Basf Se | Recombinant microorganism for improved production of fine chemicals |
JP2019531757A (ja) * | 2016-10-26 | 2019-11-07 | 味の素株式会社 | 目的物質の製造方法 |
JP7074133B2 (ja) | 2016-10-26 | 2022-05-24 | 味の素株式会社 | 目的物質の製造方法 |
WO2022207543A1 (en) | 2021-04-01 | 2022-10-06 | Evonik Operations Gmbh | Enzymatic method for producing l-glufosinate and its phosphoesters |
US12146167B2 (en) | 2021-04-01 | 2024-11-19 | Evonik Operations Gmbh | Enzymatic method for producing L-glufosinate and its phosphoesters |
WO2023166027A1 (en) * | 2022-03-01 | 2023-09-07 | Metabolic Explorer | Microorganism and method for the improved production of leucine and/or isoleucine |
WO2024061455A1 (en) | 2022-09-21 | 2024-03-28 | Evonik Operations Gmbh | Enzymatic method for producing l-glufosinate and its phosphoesters |
Also Published As
Publication number | Publication date |
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KR102250342B1 (ko) | 2021-05-10 |
JP2017514464A (ja) | 2017-06-08 |
MX376105B (es) | 2025-03-07 |
KR20160145827A (ko) | 2016-12-20 |
MX2016013950A (es) | 2016-11-09 |
CN106574254A (zh) | 2017-04-19 |
SG11201608272RA (en) | 2016-11-29 |
US20170051323A1 (en) | 2017-02-23 |
RU2016144069A (ru) | 2018-05-15 |
MY179341A (en) | 2020-11-04 |
BR112016023707A2 (pt) | 2017-10-17 |
RU2702416C2 (ru) | 2019-10-08 |
RU2016144069A3 (de) | 2018-12-05 |
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