Metabolic Explorer Patent applications |
Patent application number | Title | Published |
20140256008 | NEW BIOSYNTHESIS PATHWAY FOR PRENOL IN A RECOMBINANT MICROORGANISM - The present invention concerns a method for the biological preparation of prenol comprising culturing a microorganism genetically modified for the bioproduction of prenol, wherein the microorganism comprises a metabolic pathway for conversion of 3-methylcrotonyl-CoA into prenol by the action of an alcool dehydrogenase enzyme and of an aldehyde dehydrogenase enzyme. | 09-11-2014 |
20140017740 | FERMENTATIVE PRODUCTION OF METHIONINE HYDROXY ANALOG (MHA) - The present invention is related to a method for the fermentative production of hydroxymethionine, comprising the steps of:
| 01-16-2014 |
20140005308 | METHOD FOR PRODUCING PLASTICIZED STARCH BY USING 1,3-PROPANEDIOL AND RESULTING COMPOSITION | 01-02-2014 |
20130309737 | METHOD FOR THE PREPARATION OF 1,3-PROPANEDIOL FROM SUCROSE - The present invention concerns a microorganism genetically modified for the bioproduction of 1,3-propanediol from sucrose, wherein the microorganism comprises:
| 11-21-2013 |
20130210097 | GLYCOLIC ACID FERMENTATIVE PRODUCTION WITH A MODIFIED MICROORGANISM - The present invention is related to a method for the fermentative production of glycolic acid, its derivatives or precursors, comprising the culture of an | 08-15-2013 |
20130183727 | INCREASING NADPH AVAILABILITY FOR METHIONINE PRODUCTION - The present invention is related to a microorganism for the production of methionine, wherein said microorganism is modified to enhance the transhydrogenase activity of PntAB. In a preferred aspect of the invention, the activity of the transhydrogenase UdhA is attenuated in said microorganisms. The invention also related to a method for producing methionine by fermentation. | 07-18-2013 |
20130183726 | METHODS FOR PRODUCING METHIONINE BY CULTURING A MICROORGANISM MODIFIED TO ENHANCE PRODUCTION OF CYSTEINE - A method of producing methionine, derivatives or precursors thereof includes culturing a modified microorganism in a culture medium comprising a source of carbon and a source of sulfur; and recovering methionine from the culture medium, wherein said modified microorganism has an increased expression of cysE gene encoding serine acetyltransferase, metH gene encoding methionine synthase and metF gene encoding 5,10-methylenetetrahydrofolate reductase compared to expression of the cysE, metH and metF genes in an unmodified microorganism. | 07-18-2013 |
20130177956 | MICROORGANISMS FOR 1,3-PROPANEDIOL PRODUCTION USING HIGH GLYCERINE CONCENTRATION - The present invention is related to a population of | 07-11-2013 |
20130089903 | USE OF INDUCIBLE PROMOTERS IN THE PRODUCTION OF GLYCOLIC ACID - The present invention relates to use of inducible promoters in the production of glycolic acid by fermentation. The present invention concerns a method for the production of glycolic acid in a fermentative process comprising the following steps:
| 04-11-2013 |
20120315682 | METHOD FOR PRODUCING HIGH AMOUNT OF GLYCOLIC ACID BY FERMENTATION - The present invention relates to an improved method for the bioconversion of a fermentable carbon source to glycolic acid by a recombinant microorganism bearing new genetic modifications such as ΔldhA, ΔmgsA, ΔarcA, and ΔlldP, ΔglcA, ΔyjcG and combination of them allowing a production with higher yield, titer and productivity. | 12-13-2012 |
20120288904 | STRAINS AND METHOD FOR THE PRODUCTION OF METHIONINE - The present invention relates to a method for the production of methionine using modified strains with attenuated transformation of threonine. This can be achieved by reducing threonine transformation into glycine, and/or by reducing its transformation to α-ketobutyrate. The invention also concerns the modified strains with attenuated transformation of threonine. | 11-15-2012 |
20120288903 | INCREASING METHIONINE PRODUCTION BY OVEREXPRESSING SUCCINATE DEHYDROGENASE - The present invention relates to a process for improving the production of methionine by culturing a microorganism modified for enhancing the expression of genes involved in succinate dehydrogenase synthesis. The microorganisms were modified in a way that the methionine/carbon source yield is increased. The isolation of methionine from the fermentation medium is also claimed. | 11-15-2012 |
20120252077 | USE OF INDUCIBLE PROMOTERS IN THE PRODUCTION OF METHIONINE - The present invention relates to use of inducible promoters in the production of methionine by fermentation. The present invention concerns a method for the production of methionine, its precursors or derivatives in a fermentative process comprising the following steps:
| 10-04-2012 |
20120190116 | PROCESS FOR CHROMOSOMAL INTEGRATION AND DNA SEQUENCE REPLACEMENT IN CLOSTRIDIA - The present invention is related to a new method for replacing or deleting DNA sequences in Clostridia, with high efficiency, easy to perform and applicable at an industrial level. This method is useful to modify several genetic loci in Clostridia in a routine manner. This method is based on a replicative vector carrying at least two marker genes. | 07-26-2012 |
20120135487 | MUTANT GLYCEROL DEHYDROGENASE (GLYDH) FOR THE PRODUCTION OF A BIOCHEMICAL BY FERMENTATION - The present invention concerns a method for the production of 1,2-propanediol, comprising culturing a microorganism modified for an improved production of 1,2-propanediol in an appropriate culture medium and recovery of the 1,2-propanediol which may be further purified wherein the microorganism expresses a glycerol dehydrogenase (GlyDH) enzyme the inhibition of which activity by NAD+ and/or its substrate and/or its product is reduced. | 05-31-2012 |
20120122169 | MUTANT YQHD ENZYME FOR THE PRODUCTION OF A BIOCHEMICAL BY FERMENTATION - The present invention concerns a method for the production of a biochemical selected among acetol and 1,2-propanediol, 1,3-propanediol, ethylene glycol and 1,4-butanediol comprising culturing a microorganism modified for an improved production of the biochemical selected among acetol and 1,2-propanediol, 1,3-propanediol, ethylene glycol and 1,4-butanediol in an appropriate culture medium and recovery of the desired biochemical which may be further purified wherein the microorganism expresses a YqhD enzyme which catalytic efficiency toward NADPH is increased. | 05-17-2012 |
20120122166 | MUTANT METHYLGLYOXAL SYNTHASE (MGS) FOR THE PRODUCTION OF A BIOCHEMICAL BY FERMENTATION - The present invention concerns a method for the production of a biochemical selected among lactic acid, acetol and 1,2-propanediol, comprising culturing a microorganism modified for an improved production of the biochemical selected among lactic acid, acetol and 1,2-propanediol in an appropriate culture medium and recovery of the desired biochemical which may be further purified wherein the microorganism expresses a methylglyoxal synthase (MGS) enzyme which activity is not inhibited by orthophosphate. | 05-17-2012 |
20120058531 | CONTINUOUS CULTURE FOR 1,3-PROPANEDIOL PRODUCTION USING HIGH GLYCERINE CONCENTRATION - The present invention concerns a new method for the production of 1,3-propanediol comprising culturing a microorganism on a culture medium with high glycerine content. The invention also concerns a new microorganism, or strain of microorganism, adapted for the production of 1,3-propanediol from medium comprising high glycerine content. | 03-08-2012 |
20110294178 | METHOD FOR THE PREPARATION OF DIOLS - The present invention concerns a new method for the biological preparation of a diol comprising culturing a microorganism genetically modified for the bioproduction of an aliphatic diol, wherein the microorganism comprises a metabolic pathway for the decarboxylation of a hydroxy-2-keto-aliphatic acid metabolite with an enzyme having a 2-keto acid decarboxylase activity, the product obtained from said decarboxylation step being further reduced into the corresponding aliphatic diol, and wherein the microorganism is genetically modified for the improved production of said hydroxy-2-keto-aliphatic acid metabolite. | 12-01-2011 |
20110257441 | METHOD FOR PURIFYING AN ALCOHOL FROM A FERMENTATION BROTH USING A FALLING FILM, A WIPED FILM, A THIN FILM OR A SHORT PATH EVAPORATOR - Method for purifying an alcohol from a fermentation broth comprising adding a heavy solvent, evaporating the alcohol to be purified, and mechanically drawing out of the crystallized salts by heavy solvent flow and scrapping on a falling film evaporator, a wiped film evaporator, a thin film evaporator or a short path evaporator. | 10-20-2011 |
20110217744 | USE OF SUCROSE AS SUBSTRATE FOR FERMENTATIVE PRODUCTION OF 1,2-PROPANEDIOL - The present invention is relative to a method for producing 1,2-propanediol by fermentation, comprising: cultivating a microorganism producing 1,2-propanediol in an appropriate medium comprising a source of sucrose, and recovering the 1,2-propanediol being produced, wherein the microorganism is able to utilize sucrose as sole carbon source for the production of 1,2-propanediol. In a preferred aspect of the invention, the source of sucrose is obtained from plant biomass, and is in particular sugar cane juice. | 09-08-2011 |
20110201070 | MICROORGANISMS AND METHODS FOR PRODUCTION OF 1,2-PROPANEDIOL AND ACETOL - The present invention concerns a modified microorganism with an increased methylglyoxal reductase activity, and its use for the preparation of 1,2-propanediol and/or acetol. In particular this increased methylglyoxal reductase activity is obtained by increasing the expression of specific genes from microorganisms. | 08-18-2011 |
20110151530 | ENZYMATIC PRODUCTION OF 2-HYDROXY-ISOBUTYRATE (2-HIBA) - The present invention concerns a new method for the biological preparation of 2-hydroxy-isobutyrate (2-HIBA), including a fermentation method with microorganisms modified to favour production of 2-HIBA from renewable resources. The invention also concerns the modified microorganisms used in such fermentation method. | 06-23-2011 |
20110014666 | POLYPEPTIDE HAVING GLYOXALASE III ACTIVITY, POLYNUCLEOTIDE ENCODING THE SAME AND USES THEREOF - The present invention relates to a novel polypeptide having the enzymatic activity of conversion of methylglyoxal to lactic acid in a single step (known as glyoxalase III activity), a polynucleotide having a nucleotide sequence encoding such polypeptide and uses thereof. | 01-20-2011 |
20100330678 | PROCESS FOR THE STABLE GENE INTERRUPTION IN CLOSTRIDIA - The present invention is related to a new method for interrupting multiple DNA sequences in Clostridia, even in genes recognized to be essential for the optimal growth of Clostridii by using a counter-selectable marker that would pinpoint the cells that have lost the plasmid and acquired a modified function that permits survival without the interrupted gene. This method is easy to perform and applicable at an industrial level. This method is useful to modify several genetic loci in Clostridia in a routine manner. This method is based on a replicative vector carrying at least two marker genes. | 12-30-2010 |
20100330636 | PROCESS FOR THE BIOLOGICAL PRODUCTION OF N-BUTANOL WITH HIGH YIELD - The present invention provides a method for the biological production of n-butanol at high yield from a fermentable carbon source. In one aspect of the present invention, a process for the conversion of glucose to n-butanol is achieved by the use of a recombinant organism comprising a host | 12-30-2010 |
20100279369 | METABOLICALLY ENGINEERED MICROORGANISM USEFUL FOR THE PRODUCTION OF ACETOL - This invention concerns a microorganism useful for the production of acetol from a simple carbon source, wherein said microorganism is characterized by:
| 11-04-2010 |
20100248311 | INCREASING METHIONINE YIELD - Process for the production of methionine or its derivatives by culturing a microorganism in an appropriate culture medium comprising a source of carbon and a source of sulfur. The microorganism and/or the culture medium are modified in such way that the methionine/carbon source yield is increased. The isolation of methionine or its derivates from the fermentation medium is also described. | 09-30-2010 |
20100137655 | PROCESS FOR THE BIOLOGICAL PRODUCTION OF 1,3-PROPANEDIOL FROM GLYCEROL WITH HIGH YIELD - The present invention provides a method for the anaerobic production of 1,3 propanediol, by culturing a | 06-03-2010 |
20100086982 | PROCESS FOR THE BIOLOGICAL PRODUCTION OF n-BUTANOL WITH HIGH YIELD - The present invention provides a method for the biological production of n-butanol at high yield from a fermentable carbon source. In one aspect of the present invention, a process for the conversion of glucose to n-butanol is achieved by the use of a recombinant organism comprising a host | 04-08-2010 |
20090029424 | Recombinant enzyme with altered feedback sensitivity - The present invention relates to the use of recombinant homoserine transsuccinylase enzymes with altered feedback sensitivity (MetA*) and possibly recombinant S-adenosyl methionine synthetase enzymes with reduced activity (MetK*) for the production of methionine, its precursors or derivatives thereof. | 01-29-2009 |