Patents by Inventor Cédric Boisart
Cédric Boisart has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20220348897Abstract: The invention concerns a genetically modified microorganism expressing a functional type I or II RuBisCO enzyme and a functional phosphoribulokinase (PRK), and in which the glycolysis pathway is at least partially inhibited, said microorganism being genetically modified so as to produce an exogenous molecule and/or to overproduce an endogenous molecule. According to the invention, the oxidative branch of the pentose phosphate pathway may also be at least partially inhibited. The invention also concerns the use of such a genetically modified microorganism for the production or overproduction of a molecule of interest and processes for the synthesis or bioconversion of molecules of interest.Type: ApplicationFiled: January 12, 2022Publication date: November 3, 2022Inventors: Cedric BOISART, Nicolas MORIN
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Publication number: 20210324427Abstract: The invention relates to a naturally hydrogen-oxidizing bacterium which is genetically modified to produce lactate from CO2, said bacterium being genetically modified to overexpress at least one gene encoding a lactate dehydrogenase, and to a process for producing lactate from CO2 using such a bacterium.Type: ApplicationFiled: November 30, 2018Publication date: October 21, 2021Inventors: Cédric BOISART, Nicolas CHABOT
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Publication number: 20200399650Abstract: The present technology relates to a method for generating crop yield traits. The method comprises identifying a multi-genic system associated with one or more gene of interest, wherein the one or more gene of interest is operatively linked to yield of crop. Identifying at least one combination of genes within the multi-genic system that yields an active multi-protein system of interest and generating mutational diversity on the at least one combination of genes to generate a library. The method further comprises screening the library to identify mutations yielding an improved activity of multi-protein system of interest in an expression system and introducing the screened mutations into the crop.Type: ApplicationFiled: June 19, 2020Publication date: December 24, 2020Inventors: Cedric BOISART, Nicolas CHABOT
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Patent number: 10858679Abstract: 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.Type: GrantFiled: February 12, 2016Date of Patent: December 8, 2020Assignee: EVONIK DEGUSSA GMBHInventors: Rainer Figge, Philippe Soucaille, Guillaume Barbier, Gwénaëlle Bestel-Corre, Cédric Boisart, Michel Chateau
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Publication number: 20200277592Abstract: The invention concerns a genetically modified microorganism expressing a functional type I or II RuBisCO enzyme and a functional phosphoribulokinase (PRK), and in which the glycolysis pathway is at least partially inhibited, said microorganism being genetically modified so as to produce an exogenous molecule and/or to overproduce an endogenous molecule. According to the invention, the oxidative branch of the pentose phosphate pathway may also be at least partially inhibited. The invention also concerns the use of such a genetically modified microorganism for the production or overproduction of a molecule of interest and processes for the synthesis or bioconversion of molecules of interest.Type: ApplicationFiled: January 26, 2018Publication date: September 3, 2020Inventors: Cedric BOISART, Nicolas MORIN
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Publication number: 20190359988Abstract: The invention concerns a genetically modified microorganism expressing a functional type I or II RuBisCO enzyme and a functional phosphoribulokinase (PRK), and in which the non-oxidative branch of the pentose phosphate pathway is at least partially inhibited, said microorganism being genetically modified so as to produce an exogenous molecule and/or to overproduce an endogenous molecule. The invention also concerns the use of such a genetically modified microorganism for the production or overproduction of a molecule of interest and processes for the synthesis or bioconversion of molecules of interest.Type: ApplicationFiled: January 26, 2018Publication date: November 28, 2019Inventors: Cedric BOISART, Nicolas MORIN
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Patent number: 10124512Abstract: The invention relates to a method for recycling at least one plastic product, the method comprising degrading at least one polymer of the plastic product to monomers using an enzyme and recovering the resulting monomers. The method of the invention may be used for degrading, simultaneously or sequentially, at least two different polymers of the plastic product, and/or for recycling at least two plastic products.Type: GrantFiled: November 19, 2013Date of Patent: November 13, 2018Assignee: CARBIOSInventors: Cédric Boisart, Emmanuel Maille
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Patent number: 9476073Abstract: The invention concerns a microorganism which is genetically modified so as to i) synthesize an organic monomer by fermentation of a carbon source, and ii) depolymerize a polymer constituted at least by an organic monomer which it is capable of synthesizing. The invention also concerns a method for producing an organic monomer using a genetically modified microorganism of this type, as well as the coculture of this microorganism with another microorganism which is capable of synthesizing a polymer of interest.Type: GrantFiled: March 27, 2013Date of Patent: October 25, 2016Assignee: CARBIOSInventor: Cédric Boisart
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Publication number: 20160280881Abstract: The present invention relates to a method for degrading a plastic containing non-biodegradable polymers comprising submitting said plastic to at least one enzyme for modifying a polymer of said plastic which has a methane potential less than 5 Nm3/t+/?20%, wherein at least one product resulting from the modification exhibits a methane potential greater than 10 Nm3/t+/?20%.Type: ApplicationFiled: November 4, 2014Publication date: September 29, 2016Inventors: CÉDRIC BOISART, EMMANUEL MAILLE, FRÉDÉRIQUE GUILLAMOT
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Patent number: 9410164Abstract: 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 alcohol dehydrogenase enzyme and of an aldehyde dehydrogenase enzyme.Type: GrantFiled: October 11, 2012Date of Patent: August 9, 2016Assignee: METABOLIC EXPLORERInventors: Cedric Boisart, Sr., Guillaume Letellier
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Patent number: 9382561Abstract: 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 ?-ketobutyrate. The invention also concerns the modified strains with attenuated transformation of threonine.Type: GrantFiled: December 29, 2010Date of Patent: July 5, 2016Assignee: METABOLIC EXPLORERInventors: Cedric Boisart, Gwenaelle Bestel-Corre, Guillaume Barbier, Rainer Figge
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Publication number: 20160160249Abstract: 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.Type: ApplicationFiled: February 12, 2016Publication date: June 9, 2016Applicant: METABOLIC EXPLORERInventors: Rainer FIGGE, Philippe SOUCAILLE, Guillaume BARBIER, Gwénaëlle BESTEL-CORRE, Cédric BOISART, Michel CHATEAU
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Publication number: 20150290840Abstract: The invention relates to a method for recycling at least one plastic product, the method comprising degrading at least one polymer of the plastic product to monomers using an enzyme and recovering the resulting monomers. The method of the invention may be used for degrading, simultaneously or sequentially at least two different polymers of the plastic product, and/or for recycling at least two plastic products.Type: ApplicationFiled: November 19, 2013Publication date: October 15, 2015Inventors: CÉDRIC BOISART, EMMANUEL MAILLE
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Patent number: 9121041Abstract: 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. The invention also concerns a modified microorganism for the production of an aliphatic diol.Type: GrantFiled: June 27, 2011Date of Patent: September 1, 2015Assignee: METABOLIC EXPLORERInventors: Philippe Soucaille, Cédric Boisart
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Patent number: 9034611Abstract: 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.Type: GrantFiled: October 24, 2011Date of Patent: May 19, 2015Assignee: METALBOLIC EXPLORERInventors: Wanda Dischert, Perrine Vasseur, Cédric Boisart, Rainer Figge
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Publication number: 20150056673Abstract: The invention concerns a microorganism which is genetically modified so as to i) synthesize a hydrocarbon monomer by fermentation of a carbon source, and ii) depolymerize a polymer constituted at least by hydrocarbon monomer which it is capable of synthesizing. The invention also concerns a method for producing a hydrocarbon monomer using a genetically modified microorganism of this type, as well as the coculture of this microorganism with another microorganism which is capable of synthesizing a polymer of interest.Type: ApplicationFiled: March 27, 2013Publication date: February 26, 2015Inventor: Cédric Boisart
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Patent number: 8911978Abstract: The present invention concerns a modified microorganism for the biological preparation of an hydroxy acid of formula (I) wherein the microorganism comprises a two-step metabolic pathway for the production of the said hydroxy acid from a hydroxy keto-acid of formula (II) through an intermediate hydroxy-aldehyde of formula (III), wherein EA1 is an enzyme having a 2-keto-acid decarboxylase activity, and EA2 is an enzyme having hydroxy aldehyde dehydrogenase activity. The invention also concerns a method for the fermentative production of a hydroxy acid.Type: GrantFiled: June 28, 2011Date of Patent: December 16, 2014Assignee: Metabolic ExplorerInventors: Philippe Soucaille, Cedric Boisart
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Patent number: 8900838Abstract: A microorganism genetically modified for the bioproduction of 1,3-propanediol from sucrose, wherein the microorganism includes: a two-step metabolic pathway for the production of 1,3-propanediol, including a first step of decarboxylation of 4-hydroxy-2-ketobutyrate with an enzyme having a 2-keto acid decarboxylase activity, and a second step of reduction of the obtained 3-hydroxypropionaldehyde with an enzyme having hydroxy aldehyde reductase activity, and genes enabling the microorganism to utilize sucrose as sole carbon source. A method for the biological preparation of 1,3-propanediol by fermentation, including cultivating said microorganism genetically modified, wherein the culture is performed in an appropriate medium including a source of sucrose, and recovering the 1,3-propanediol being produced.Type: GrantFiled: July 5, 2011Date of Patent: December 2, 2014Assignee: Metabolic ExployerInventors: Philippe Soucaille, Cedric Boisart
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Publication number: 20140256008Abstract: 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.Type: ApplicationFiled: October 11, 2011Publication date: September 11, 2014Applicant: METABOLIC EXPLORERInventors: Cedric Boisart, SR., Guillaume Letellier
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Publication number: 20130309737Abstract: The present invention concerns a microorganism genetically modified for the bioproduction of 1,3-propanediol from sucrose, wherein the microorganism comprises: a two-step metabolic pathway for the production of 1,3-propanediol, comprising a first step of decarboxylation of 4-hydroxy-2-ketobutyrate with an enzyme having a 2-keto acid decarboxylase activity, and a second step of reduction of the obtained 3 -hydroxypropionaldehyde with an enzyme having hydroxy aldehyde reductase activity, and genes enabling the microorganism to utilize sucrose as sole carbon source. The invention also concerns a new method for the biological preparation of 1,3-propanediol by fermentation, comprising cultivating said microorganism genetically modified, wherein the culture is performed in an appropriate medium comprising a source of sucrose, and recovering the 1,3 -propanediol being produced. In a preferred aspect of the invention, the source of sucrose is obtained from plant biomass.Type: ApplicationFiled: July 5, 2011Publication date: November 21, 2013Applicant: METABOLIC EXPLORERInventors: Philippe Soucaille, Cedric Boisart