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Metabolic Explorer

Metabolic Explorer Patent applications
Patent application numberTitlePublished
20120135487MUTANT 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
20120122169MUTANT 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
20120122166MUTANT 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
20120058531CONTINUOUS 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
20110294178METHOD 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
20110257441METHOD 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
20110217744USE 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
20110201070MICROORGANISMS 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
20110151530ENZYMATIC 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
20110014666POLYPEPTIDE 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
20100330678PROCESS 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
20100330636PROCESS 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
20100279369METABOLICALLY 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
20100248311INCREASING 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
20100137655PROCESS 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
20100086982PROCESS 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
20090029424Recombinant 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

Patent applications by Metabolic Explorer