Entries |
Document | Title | Date |
20080241898 | Application of Glucose Transport Mutants For Production Of Aromatic Pathway Compounds - This invention describes methods for enhancing carbon flow into a pathway of a host cell to enhance the biosynthetic production of compounds therefrom, the host cells being selected based on being phenotypically Pts | 10-02-2008 |
20080261283 | Biooxidation capabilities of Candida sp - A bioprocess for producing carboxylic acids, alcohols and aldehydes is provided by culturing | 10-23-2008 |
20080280337 | Process for the Production of Citronellal -
The invention relates to a process for the production of optically active Citronellal by enzymatic reduction of Citral with a reductase from | 11-13-2008 |
20090029429 | Process for Producing Optically Active 2-Substituent-Oxy-3-(4-Substituent-Oxyphenyl) Propionic Acid Derivative - The present invention relates to a process for producing an optically active 2-substituent-oxy-3-(4-substituent-oxyphenyl)propionic acid derivative which comprises stereoselectively reducing an 2-oxo-3-(4-substituent-oxyphenyl)propionic acid by an enzyme and subjecting the thus-obtained optically active 2-hydroxy-3-(4-substituent-oxyphenyl)propionic acid to esterification of the carboxyl group according to need, then to alkylation of the hydroxyl group and, if necessary, to deprotection of an ether type protective group. The present invention may make it possible to produce an optically active 2-substituent-oxy-3-(4-substituent-oxyphenyl)propionic acid derivative, which is useful as intermediates for the synthesis of medicinal compounds, efficiently, in a simple and easy manner, and commercially advantageously. | 01-29-2009 |
20090191603 | Use of rice bran as an accelerant in alcohol fermentation - The present invention relates to a method for production of fermentation-based products, through the fermentation of a carbohydrate substrate in the presence of a microorganism capable of fermentation. The fermentation process may be enhanced through use of a rice bran material as a nutrient source. | 07-30-2009 |
20090298145 | Acid-resistance endoglucanase and the use of thereof - The present teachings relate to an acid-resistant endoglucanase, which is a protein exhibiting excellent endoglucanase activity under acidic conditions. The present teachings provide a protein having the amino acid sequence set forth in SEQ ID NO: 2, a protein having an amino acid sequence with one or more amino acid modifications in the amino acid sequence set forth in SEQ ID NO: 2 and having endoglucanase activity, or a protein having an amino acid sequence with at least 75% homology to the amino acid sequence set forth in SEQ ID NO: 2 and having endoglucanase activity. | 12-03-2009 |
20090305366 | Production Of Peracids Using An Enzyme Having Perhydrolysis Activity - A process is provided for producing peroxycarboxylic acids from carboxylic acid esters. More specifically, carboxylic acid esters are reacted with an inorganic peroxide, such as hydrogen peroxide, in the presence of an enzyme catalyst having perhydrolysis activity. The present perhydrolase catalysts are classified as members of the carbohydrate esterase family 7 (CE-7) based on the conserved structural features. Further, disinfectant formulations comprising the peracids produced by the processes described herein are provided. | 12-10-2009 |
20090311760 | HOST CELLS AND USES THEREOF IN THE MICROBIAL PRODUCTION OF HYDROXYLATED AROMATICS - The invention relates to the field of the microbial production of substituted aromatics. In particular, it relates to the production of hydroxylated aromatics from renewable carbon stocks, like sugars or glycerol, via the metabolic intermediate L-tyrosine. Provided is a microbial host cell capable of producing at least one hydroxylated aromatic from a renewable carbon source, wherein at least one enzyme of said host cell that is involved in the degradation of said at least one hydroxylated aromatic is disabled and wherein the de novo synthesis of L-phenylalanine (L-Phe) in said host cell is impeded. Also provided is a method for the microbial production of at least one hydroxylated aromatic from a renewable carbon source, comprising culturing a host cell in the presence of exogenous L-Phe and a renewable carbon source and allowing said host cell to produce said at least one hydroxylated aromatic. | 12-17-2009 |
20100047885 | Pantothenate Kinase Overexpression and Pantothenic Acid Supplementation in Actinomycetes - The invention relates to the synthesis of polyketides in Actinomycetes by overexpression of pantothenate kinase and supplementation with pantothenic acid. This results in increasing in vivo CoA production and thereby drives increased production of secondary metabolites, such as polyketides. | 02-25-2010 |
20100136639 | Production Of Peracids Using An Enzyme Having Perhydrolysis Activity - A process is provided for producing peroxycarboxylic acids from carboxylic acid esters. More specifically, carboxylic acid esters are reacted with an inorganic peroxide, such as hydrogen peroxide, in the presence of an enzyme catalyst having perhydrolysis activity. The present perhydrolase catalysts are classified as members of the carbohydrate esterase family 7 (CE-7) based on the conserved structural features. Further, disinfectant formulations comprising the peracids produced by the processes described herein are provided. | 06-03-2010 |
20100167360 | PROCESS FOR HETEROGENEOUSLY CATALYSED PREPARATION OF CARBOXYLIC ACID DERIVATIVES - Process for heterogeneously catalysed preparation of carboxylic acid derivatives using a reactor system comprising at least one reservoir vessel V, feed lines, at least one pump and a reaction vessel R, characterized in that a permanent gas flow through the reaction vessel R is applied through a gas feed line, and in which a reaction chamber in which the heterogeneous catalyst is not introduced in tightly packed form is delimited by at least two filters such that both the mass flow and the gas flow are passed through the reaction chamber. | 07-01-2010 |
20100184170 | Development of a Fermentative Enrichment Culture and Two Pure Isolates that Biotransform High Concentrations of Chloroform and Other Halomethanes - Disclosed are fermentative enrichment cultures and two pure isolates there from for use in biotransformation of halomethanes. Disclosed bioaugmentation cultures are dominated by Enterobacteriaceae, and are implemented together with one or more electron donors such as corn syrup, glucose, and the like, and a corrinoid catalyst such as vitamin B | 07-22-2010 |
20100209985 | NOVEL ESTERASES AND THEIR USE - The present invention relates to polyesterases having cutinase and/or suberinase activity obtainable from | 08-19-2010 |
20100267100 | Enzymatic synthesis of optically pure beta-hydroxy carboxylic acids and their derivatives - The present disclosure is related to systems, compositions, and methods for producing a β-hydroxy carboxylic acid and/or a β-hydroxy carboxylic amide in enantiomeric excess (e.g., enantiomerically pure). In some specific example embodiments, a method may include contacting a substrate and/or intermediate with a cyanide, a ketoreductase, a nitrilase, and/or a nitrile hydratase. Systems, compositions, and methods, in some embodiments, may produce a β-hydroxy carboxylic acid and/or a β-hydroxy carboxylic amide in enantiomeric excess under convenient conditions (e.g., pH 5-9 and temperatures under 50° C.). | 10-21-2010 |
20100317073 | MOLECULAR APPROACHES FOR THE OPTIMIZATION OF BIOFUEL PRODUCTION - Embodiments of the present invention utilize rationale genetic and chemical engineering strategies to achieve even greater efficiencies in biofuel production from microalgae. These increased efficiencies may be achieved through the application of targeted and well-designed chemical and genetic engineering methods disclosed herein. The exemplary embodiments focus on increasing single cell oil yields, increased algal culture densities, and increased efficiencies in oil production. Individually or in combination, exemplary embodiments may reduce the cost to produce a barrel of biofuel to enable commercial viability. | 12-16-2010 |
20110003352 | PROCESS FOR THE STEPWISE TREATMENT OF LIGNOCELLULOSIC MATERIAL TO PRODUCE REACTIVE CHEMICAL FEEDSTOCKS - A method for the fractionation of lignocellulosic materials into reactive chemical feedstock in a batch or semi continuous process by the stepwise treatment with aqueous aliphatic alcohols in the presence of sulfur dioxide or acid. Lignocellulosic material is fractionated in a fashion that cellulose is removed as pulp, or converted to esterified cellulose, cooking chemicals are reused, lignin is separated in the forms of reactive native lignin and reactive lignosulfonates and hemicelluloses are converted into fermentable sugars, while fermentation inhibitors are removed. In an integrated vapor compression stripper and evaporator system, aliphatic alcohol is removed from a liquid stream and the resulting stream is concentrated for further processing. | 01-06-2011 |
20110020884 | METHOD FOR THE CONVERSION OF PLANT MATERIALS INTO FUELS AND CHEMICALS BY SEQUENTIAL ACTION OF TWO MICROORGANISMS - A process is disclosed for converting complex plant polysaccharides, including cellulosic materials, into fuels and other chemicals. In preferred embodiments, the process comprises sequential hydrolysis of the plant polysaccharides by two or more microorganisms | 01-27-2011 |
20110053230 | METHOD FOR CONTROLLING RATE OF LOWERING MOLECULAR WEIGHT OF POLYSACCHARIDES CONTAINED IN CELLULOSIC BIOMASS, AND METHOD FOR PRODUCING SUGAR, ALCOHOL, OR ORGANIC ACID - An object of the present invention is to provide, with regard to a method for lowering the molecular weight of polysaccharides contained in a cellulosic biomass by mixing the cellulosic biomass with ionic liquid, a method for controlling such rate of lowering of molecular weight. Also, a method for producing sugar, alcohol, or organic acid using the controlling method is provided. The method comprises mixing a cellulosic biomass with ionic liquid under an atmosphere with a partial pressure ratio differing from that of air. Under such an atmosphere with oxygen partial pressure higher than that of air, the rate of lowering molecular weight can be increased, and under an atmosphere with nitrogen partial pressure or carbon dioxide partial pressure higher than that of air or a reduced-pressure atmosphere, the rate of lowering molecular weight can be decreased. | 03-03-2011 |
20110065155 | Productions of Organic Acid Salts from Digested Biomass and Their Uses and Self Cleaning Emitter Therefor - A method and means of producing organic acids (such as acetic acid) and calcium-, magnesium-, iron-organic acid salts (mostly acetates) from readily available, digested biomass (or biomass rich trash or waste) and limestone, or magnesium rich stone, or iron oxides is described. The invention also relates to the use of inexpensive, common chemicals in a process for treating water and for the separation of microbes from fresh water or saltwater. The treatments include denitrification, flocculation-separation of microbes and suspended particles, and removing dissolved phosphates (i.e., those rendered insoluble by the process) from water. Other benefits of induced bio-flocculation include separating microbes for use as animal feed or separating fatty algae harvested in the production of bio-diesel. A two way emitter for use with the process is also described. | 03-17-2011 |
20110081693 | PERHYDROLASE FOR ENZYMATIC PERACID PRODUCTION - A process is provided for rapidly producing target concentrations of peroxycarboxylic acids from carboxylic acid esters. More specifically, carboxylic acid esters are reacted with a source of peroxygen, such as hydrogen peroxide, in the presence of an enzyme catalyst comprising an enzyme having identity to an acetyl xylan esterase from | 04-07-2011 |
20110117615 | PRODUCTION PROCESS - The invention relates to a process for producing organic acids, acid derivatives thereof and/or organic alcohols. In particular, the invention relates to a process for culturing a butyric acid-producing micro-organism in a culture vessel; transferring a portion of the butyric acid which is produced in the culture vessel to a separate compartment; and then reintroducing a portion of the acids from the second compartment in a controlled manner into the culture vessel. The invention also relates to a process for making butanol. The invention further relates to a process for culturing a butyrate-producing micro-organism in a first compartment of an electrochemical reactor, passing a direct current electric field across the electrochemical reactor and harvesting butyric acid or acid derivatives thereof in a second compartment of the reactor. The invention further relates to a process for producing butanol from the butyric acid. | 05-19-2011 |
20110117616 | METHOD FOR PRODUCING (1S,2R)-2-CHLORO-2-FLUOROCYCLOPROPANECARBOXYLIC ACID - The present invention provides a method for producing (1S,2R)-2-chloro-2-fluorocyclopropanecarboxylic acid with a high yield and high selectivity. Specifically, disclosed is a method for producing (1S,2R)-2-chloro-2-fluorocyclopropanecarboxylic acid, wherein (1S)-2-chloro-2-fluorocyclopropanecarboxylic acid ester is hydrolyzed using an esterase derived from Burkholderia cepacia. | 05-19-2011 |
20110189742 | METHOD FOR THE PRODUCTION OF FREE CARBOXYLIC ACIDS - A process for the preparation of free carboxylic acids including: A) preparation of carboxylic acid by a biological cell located in an aqueous medium with addition of an amine of formula (I) | 08-04-2011 |
20110195468 | SYSTEM AND PROCESS FOR SEPARATING PURE CHEMICALS FROM BIOMASS EXTRACT - A system or plant and method for the production of pure alcohol, acetic acid or its derivatives from the extract containing hemicelluloses filtered after extraction of woody biomass or directly extracted from woody biomass. The process can be integrated with the host plant process to minimize the effect of loss of heat value from the extracted hemicelluloses and reduce the loading to the effluent plant. | 08-11-2011 |
20110201068 | MICROORGANISMS AND METHODS FOR THE CO-PRODUCTION OF ISOPROPANOL WITH PRIMARY ALCOHOLS, DIOLS AND ACIDS - The invention provides a non-naturally occurring microbial organism having n-propanol and isopropanol pathways, 1,4-butanediol (14-BDO) and isopropanol pathways, 1,3-butanediol (13-BDO) and isopropanol pathways or methylacrylic acid (MAA) and isopropanolpathways. The microbial organism contains at least one exogenous nucleic acid encoding an enzyme in each of the respective n-propanol, 14-BDO, 13-BDO or MAA and isopropanol pathways. The invention additionally provides a method for co-producing n-propanol and isopropanol, 14-BDO and isopropanol, 13-BDO and isopropanol or MAA and isopropanol. The method can include culturing an n-propanol and an isopropanol co-producing microbial organism, where the microbial organism expresses at least one exogenous nucleic acid encoding an n-propanol, an isopropanol, a 14-BDO, a 13-BDO and/or a MAA pathway enzyme in a sufficient amount to produce each of the respective products, under conditions and for a sufficient period of time to produce each of the respective products. | 08-18-2011 |
20110236937 | Multi-Stage Fermenter Nutrient Feeding - A method for operating a fermenter system. In one instances, the method comprises flowing biomass and liquid in opposite directions through a fermenter train comprising a plurality of fermenters, and introducing a nutrient to any of the plurality of fermenters to optimize the production carboxylate products in the fermenter system. | 09-29-2011 |
20110244533 | FIBROUS MATERIALS AND COMPOSITES - Fibrous materials, compositions that include fibrous materials, and uses of the fibrous materials and compositions are disclosed. For example, the fibrous materials can be operated on by a microorganism to produce ethanol or a by-product, such as a protein or lignin. | 10-06-2011 |
20110269197 | ALCOHOL PRODUCTION PROCESS - The invention relates to methods for improving the efficiency of carbon capture in microbial fermentation of a gaseous substrate comprising CO and/or H2. In certain aspects the invention relates to improving the efficiency of carbon capture in the microbial fermentation of gaseous substrate comprising CO and/or H2 to produce alcohol(s) and/or acid(s). In particular the invention relates to methods for improving the efficiency of carbon capture in carboxydotrophic fermentation. | 11-03-2011 |
20110281313 | IMPROVED PRODUCTION OF ACID AND SOLVENT IN MICROORGANISMS - The invention relates to a method and means for the bioengineered fermentative production of solvents, in particular of butanol, acetone and ethanol, and of short-chained carboxylic acids such as acetic acid and butyric acid, in particular in host cells of the species | 11-17-2011 |
20110306103 | Stabilization Of Perhydrolases - Disclosed herein is a method for stabilization of the perhydrolase activity of the CE-7 esterase in a formulation with a carboxylic acid ester that employs the addition of a buffering agent, substantially undissolved, to the mixture of the CE-7 esterase and the carboxylic acid ester. Further, disinfectant and laundry care formulations comprising the peracids produced by the processes described herein are provided. | 12-15-2011 |
20110312046 | Methods for C4 Dicarboxylic Acid Production in Filamentous Fungi - The present invention relates to methods of producing C4-dicarboxylic acids, such as malic acid, comprising: (a) cultivating a host cell comprising a polynucleotide encoding a C4-dicarboxylic acid transporter; and (b) recovering the C4-dicarboxylic acid. The present invention also relates to methods for increasing C4-dicarboxylic acid production, as well as host cells comprising the polynucleotides. | 12-22-2011 |
20120003705 | Biological Clean Fuel Processing Systems and Methods - Methods and systems to achieve clean fuel processing systems in which carbon dioxide emissions ( | 01-05-2012 |
20120009637 | Nitrilases, Nucleic Acids Encoding Them and Methods For Making and Using Them - The invention relates to nitrilases and to nucleic acids encoding the nitrilases. In addition methods of designing new nitrilases and method of use thereof are also provided. The nitrilases have increased activity and stability at increased pH and temperature. | 01-12-2012 |
20120015414 | Production of organic compounds - The present invention provides methods for the production of hydrocarbons, particularly alkanes and alkenes, using biosynthetic routes, as well as genes and enzymes involved therein. | 01-19-2012 |
20120034663 | METHODS AND SYSTEMS FOR BIOMASS CONVERSION TO CARBOXYLIC ACIDS AND ALCOHOLS - The disclosure includes a method, process and apparatus for the conversion of biomass to carboxylic acids and/or primary alcohols. The system may include a pretreatment/fermentation subsystem operable to produce a fermentation broth containing carboxylic acid salts from biomass, such as lignocellulosic biomass. The system may also include a dewatering subsystem operable to remove excess water from the fermentation broth to produce a concentrated product. The system may also includes an acid springing subsystem operable to produce a mixed carboxylic acid product. The system may also include a hydrogenation subsystem operable to produce an alcohol mixture, such as a mixture containing primary alcohols. Methods of operating this system or other systems to obtain a carboxylic acid or alcohol mixture are also provided. | 02-09-2012 |
20120094341 | METHODS FOR THE SYNTHESIS OF OLEFINS AND DERIVATIVES - The invention provides a method of producing acrylic acid. The method includes contacting fumaric acid with a sufficient amount of ethylene in the presence of a cross-metathesis transformation catalyst to produce about two moles of acrylic acid per mole of fumaric acid. Also provided is an acrylate ester. The method includes contacting fumarate diester with a sufficient amount of ethylene in the presence of a cross-metathesis transformation catalyst to produce about two moles of acrylate ester per mole of fumarate diester. An integrated process for process for producing acrylic acid or acrylate ester is provided which couples bioproduction of fumaric acid with metathesis transformation. An acrylic acid and an acrylate ester production also is provided. | 04-19-2012 |
20120094342 | ENZYMATIC PERACID PRODUCTION USING A COSOLVENT - Disclosed herein are two-component enzymatic peracid generation systems and methods of using such systems wherein the first component comprises a formulation of at least one enzyme catalyst having perhydrolysis activity, a carboxylic acid ester substrate, and a cosolvent and wherein the second component comprises a source of peroxygen in water. The two components are combined to produce an aqueous peracid formulation useful as, e.g., a disinfecting or bleaching agent. Specifically, organic cosolvents are used to control the viscosity of a substrate-containing component and to enhance the solubility of the substrate in an aqueous reaction formulation without causing substantial loss of perhydrolytic activity of the enzyme catalyst. | 04-19-2012 |
20120142063 | NITRILASE BIOCATALYSTS - The present disclosure relates to polypeptides having nitrilase activity, polynucleotides encoding the polypeptides, and methods of using the polypeptides. | 06-07-2012 |
20120149077 | Mesophilic and Thermophilic Organisms Modified to Produce Acrylate, and Methods of Use Thereof - The present invention provides for novel metabolic pathways leading to acrylate formation in a consolidated bio-processing system (CBP) where lignocellulosic biomass is efficiently converted to acrylate. In one such metabolic pathway, pyruvate is converted to lactate, which is converted to lactoyol-CoA, which is converted to acryloyl-CoA, and which is finally converted to acrylate. In another such metabolic pathway, pyruvate is converted to L-α-alanine, which is converted to L-aspartate, which is converted to β-alanine, which is converted to β-alanyl-CoA, which is converted to acryloyl-CoA, and which is finally converted to acrylate. In yet another metabolic pathway, pyruvate is converted to lactate, and then lactate is converted directly to acrylate. In certain aspects, the invention provides for heterologous expression of one or more enzymes in a mesophilic or thermophilic organism, such as | 06-14-2012 |
20120149078 | Polypeptides Having Acetylxylan Esterase Activity And Polynucleotides Encoding Same - The present invention relates to isolated polypeptides having acetylxylan esterase activity and isolated polynucleotides encoding the polypeptides. The invention also relates to nucleic acid constructs, vectors, and host cells comprising the polynucleotides as well as methods of producing and using the polypeptides. | 06-14-2012 |
20120184005 | BACTERIAL STRAINS AND VARIANTS THEREOF THAT CAN DEGRADE POLYLACTIC ACID, AND USES OF SAME - The invention relates to strains of bacteria of the genus | 07-19-2012 |
20120202259 | METABOLIC EVOLUTION OF ESCHERICHIS COLI STRAINS THAT PRODUCE ORGANIC ACIDS - This invention relates to the metabolic evolution of a microbial organism previously optimized for producing an organic acid in commercially significant quantities under fermentative conditions using a hexose sugar as sole source of carbon in a minimal mineral medium. As a result of this metabolic evolution, the microbial organism acquires the ability to use pentose sugars derived from cellulosic materials for its growth while retaining the original growth kinetics, the rate of organic acid production and the ability to use hexose sugars as a source of carbon. This invention also discloses the genetic change in the microorganism that confers the ability to use both the hexose and pentose sugars simultaneously in the production of commercially significant quantities of organic acids. | 08-09-2012 |
20120219998 | Producing a Trimethylpentanoic Acid Using Hybrid Polyketide Synthases - The present invention provides for a polyketide synthase (PKS) capable of synthesizing trimethylpentanoic acid. The present invention also provides for a host cell comprising the PKS and when cultured produces the trimethylpentanoic acid. The present invention also provides for a method of producing the trimethylpentanoic acid, comprising: providing a host cell of the present invention, and culturing said host cell in a suitable culture medium such that the trimethylpentanoic acid is produced, optionally isolating the trimethylpentanoic acid, and optionally, reducing the isolated trimethylpentanoic acid into a trimethylpentanol or an iso-octane. | 08-30-2012 |
20120225460 | SYSTEM AND METHOD FOR PROCESSING BIOMASS - A method for processing biomass that includes forming a first pile comprising biomass; inoculating said first pile comprising biomass; circulating a liquid in said first pile; fermenting the biomass in said first pile to produce a carboxylate salt; and extracting at least a portion of the liquid in the first pile and passing said portion of liquid to a second pile comprising biomass, wherein said second pile is operating at a higher carboxylate salt concentration than said first pile. | 09-06-2012 |
20120237989 | SEPARATION OF LIGNIN FROM HYDROLYZATE - A method for the production water insoluble reactive lignin having low sulfur content and lignosulfonates from lignocellulosic material in a batch or continuous process. Lignocellulosic material is fractionated to produce water insoluble native lignin and lignosulfonates in various ratios, while preserving the cellulose and hydrolyzed hemicelluloses using water, ethanol and sulfur dioxide. | 09-20-2012 |
20120237990 | MICROORGANISMS AND METHODS FOR THE BIOSYNTHESIS OF FUMARATE, MALATE, AND ACRYLATE - A non-naturally occurring eukaryotic or prokaryotic organism includes one or more gene disruptions occurring in genes encoding enzymes imparting increased fumarate, malate or acrylate production in the organism when the gene disruption reduces an activity of the enzyme. The one or more gene disruptions confers increased production of acrylate onto the organism. Organisms that produce acrylate have an acrylate pathway that at least one exogenous nucleic acid encoding an acrylate pathway enzyme expressed in a sufficient amount to produce acrylate, the acrylate pathway comprising a decarboxylase. Methods of producing fumarate, malate or acrylate include culturing these organisms. | 09-20-2012 |
20120258508 | ALTERNATIVE PATHS TO ALCOHOLS AND HYDROCARBONS FROM BIOMASS - A method of producing hydrocarbons from biomass that includes converting at least a portion of the biomass into a first product having at least one of a carboxylic acid, a ketone, an ammonium carboxylate salt, and combinations thereof; converting at least a portion of the first product into an alcohol; reacting at least some of the alcohol in an oligomerization reactor as part of a process that produces an oligomerization product. | 10-11-2012 |
20120258509 | METHODS AND SYSTEMS FOR PRETREATMENT AND PROCESSING OF BIOMASS - A method of biomass pretreatment that includes forming a mixture comprising alkali and lignocellulosic biomass; controlling at least one physical property of the mixture selected from the group of pressure, temperature, and a combination thereof; contacting the mixture with a fluid; fermenting at least a portion of the mixture; and collecting carboxylate salts formed from fermenting. | 10-11-2012 |
20130011890 | WHOLE CELL BIOCATALYST - The present invention relates to a method for producing a product of a reaction catalysed by a nitrilase, which method comprises the steps (i) providing a microorganism comprising said nitrilase located on its surface, and/or a membrane preparation of said microorganism, and (ii) contacting the microorganism and/or the membrane preparation thereof with one or more nitrilase substrates under conditions compatible with nitrilase activity. The present invention further relates to a method for producing enantiomerically pure (R)-mandelic acid using the nitrilase-displaying whole cell biocatalyst or membrane preparation thereof for the conversion of racemic mandelonitrile. | 01-10-2013 |
20130034888 | METHODS AND COMPOSITIONS FOR DECOMPOSITION OF BIOMASS - Disclosed are methods for detecting cellulose in cellulosic materials and producing alcohol using cellulosic materials. More particularly, disclosed are methods for producing alcohol in a cell-free system by contacting pyruvate with enzymes from a minimal enzymatic pathway. Also disclosed are methods of producing pyruvate by culturing a microorganism under hypoxic conditions. Disclosed are methods for detecting cellulose in a sample using Congo red dye. | 02-07-2013 |
20130040351 | POLYHYDROXYALKANOATE PRODUCTION DURING WASTEWATER TREATMENT - A wastewater treatment process elicits microorganisms to convert a waste stream/organic resource to intracellular biopolymer polyhydroxyalkanoate (PHA). The process includes (i) waste stream/organic resource composition feed criteria, (ii) configuration coupled with operational parameters, and (iii) PHA-laden biomass separation and stabilization. A waste stream/organic resource capable of producing enhanced levels of PHA may be selected based on a combination of criteria, which may include short chain fatty acid concentration, protein concentration, polysaccharides concentration, and total suspended solids concentration. The waste stream is introduced into an aeration basin upon a specific configuration and operated under various parameter combinations for selecting/enriching microorganisms capable of producing PHA. The PHA-laden biomass is separated and stabilized for downstream PHA related product beneficial uses. The present process achieves concurrent wastewater treatment and PHA production, where PHA level (of more than 10% on a cell-weight basis) otherwise could not be obtained. | 02-14-2013 |
20130059352 | Alcohol Production Process - The invention relates generally to methods for improving the microbial fermentation of gaseous substrates to produce one or more products. The invention relates to the capture of one or more components of a gaseous stream in a liquid. The invention relates to the deoxygenation of a liquid by contacting the liquid with a gaseous stream. The invention relates to methods of increasing efficiency of fermentation by using gas streams exiting a bioreactor to deoxygenate liquid streams entering a bioreactor. | 03-07-2013 |
20130071893 | METHODS FOR PRODUCING 3-HYDROXYPROPIONIC ACID AND OTHER PRODUCTS - This invention relates to metabolically engineered microorganism strains, such as bacterial strains, in which there is an increased utilization of malonyl-CoA for production of a chemical product, which includes 3-hydroxypropionic acid. | 03-21-2013 |
20130078687 | FROM CARBON MONOXIDE AND HYDROGEN ANAEROBIC FERMENTATION PROCESSES USING A PRE-REACTOR/DEEP TANK REACTOR SYSTEM - Processes are disclosed for the low energy, anaerobic bioconversion of hydrogen and carbon monoxide in a gaseous substrate stream to oxygenated organic compounds such as ethanol by contact with microorganisms in a fermentation system with high conversion efficiency of both hydrogen and carbon monoxide. The processes of this invention use a pre-reactor and a deep, tank reactor in gaseous substrate flow sequence to obtain high conversion of gas substrate without undue risk of carbon monoxide inhibition. | 03-28-2013 |
20130143285 | METHOD FOR DILUTE ACID PRETREATMENT OF LIGNOCELLULOSIC FEEDSTOCKS - The present invention relates to a process for the conversion of a lignocellulosic feedstock involving acid pretreatment. The process comprises the steps of treating the lignocellulosic feedstock with alkali at a pH of between about 8.0 and about 12.0 so as to dissolve acetyl groups present on said lignocellulosic feedstock, while converting less than about 10% of the xylan present in the lignocellulosic feedstock to xylose and less than about 10% of the cellulose to glucose, thereby producing an alkali conditioned feedstock. The alkali conditioned feedstock is then pretreated at a temperature of about 160° C. to about 250° C., at a pH of about 0.5 to about 2.5 for about 0.5 to about 10 minutes so as to hydrolyze about 80 to 100% of the xylan and about 3 to about 15% of the cellulose to produce an acid pretreated feedstock comprising cellulose. The cellulose in the pretreated feedstock can be hydrolyzed to glucose with cellulase and the glucose can be fermented to produce a fermentation product. | 06-06-2013 |
20130330791 | FERMENTATION PROCESSES AND BY-PRODUCTS - The present disclosure relates to an improved process of producing a fermentation product, in particular ethanol. The present disclosure relates also to the use of enzymes for improving the quality of by-products in the fermentative production process and to compositions comprising enzymes capable of degrading components in the fermented mash in the fermentation process. | 12-12-2013 |
20140011248 | CONVERSION OF BIOMASS - Biomass feedstocks (e.g., plant biomass, animal biomass, and municipal waste biomass) are processed to produce useful products, such as fuels. For example, systems are described that can convert feedstock materials to a sugar solution, especially, xylose, which can then be chemically converted to furfural and furfural-derived products. | 01-09-2014 |
20140030776 | IDENTIFICATION AND USE OF BACTERIAL [2Fe-2S] DIHYDROXY-ACID DEHYDRATASES - A group of bacterial dihydroxy-acid dehydratases having a [2Fe-2S] cluster was discovered. Bacterial [2Fe-2S] DHADs were expressed as heterologous proteins in bacteria and yeast cells, providing DHAD activity for conversion of 2,3-dihydroxyisovalerate to α-ketoisovalerate or 2,3-dihydroxymethylvalerate to α-ketomethylvalerate. Isobutanol and other compounds may be synthesized in pathways that include bacterial [2Fe-2S] DHAD activity. | 01-30-2014 |
20140030777 | APPARATUS AND METHOD FOR SEPARATING AND REFINING PRODUCT MANUFACTURED BY MICROBIAL FERMENTATION BY USING ADSORBENT - The present invention relates to an apparatus and a method for fermenting, separating, and refining a product, which is produced by cultivating a microorganism. The apparatus and the method for fermenting, separating, and refining, of the present invention, can separate and refine the product that is produced by microbial fermentation in a simple, continuous manner and with high efficiency. | 01-30-2014 |
20140038250 | APPARATUS AND METHOD FOR SEPARATING AND REFINING PRODUCT MANUFACTURED BY MICROBIAL FERMENTATION BY USING ADSORBENT - The present invention relates to an apparatus and a method for fermenting, separating, and refining a product, which is produced by cultivating a microorganism. The apparatus and the method for fermenting, separating, and refining, of the present invention, can separate and refine the product that is produced by microbial fermentation in a simple, continuous manner and with high efficiency. | 02-06-2014 |
20140051137 | IDENTIFICATION AND USE OF BACTERIAL [2Fe-2S] DIHYDROXY-ACID DEHYDRATASES - A group of bacterial dihydroxy-acid dehydratases having a [2Fe-2S] cluster was discovered. Bacterial [2Fe-2S] DHADs were expressed as heterologous proteins in bacteria and yeast cells, providing DHAD activity for conversion of 2,3-dihydroxyisovalerate to α-ketoisovalerate or 2,3-dihydroxymethylvalerate to α-ketomethylvalerate. Isobutanol and other compounds may be synthesized in pathways that include bacterial [2Fe-2S] DHAD activity. | 02-20-2014 |
20140193869 | CELL-FREE SYSTEM FOR CONVERTING METHANE INTO FUEL AND CHEMICAL COMPOUNDS - The present disclosure relates, in some aspects, to cell-free methods and systems for large-scale conversion of methane to isobutanol, comprising combining, in a bioreactor at elevated pressure, methane, oxygen, and cell lysates containing methane monooxygenase, methanol dehydrogenase, and enzymes that catalyze the conversion of formaldehyde to isobutanol, to form a cell-free reaction mixture, and incubating under suitable conditions the cell-free reaction to convert methane to isobutanol. | 07-10-2014 |
20140242653 | METHOD FOR PRODUCING PYRUVIC ACID FROM ALGINIC ACID - A method for producing pyruvic acid from polysaccharide alginic acid that is contained in large amounts in brown algae using the ability to assimilate alginic acid possessed by a lactate-dehydrogenase-gene-deficient | 08-28-2014 |
20140273116 | DHAD VARIANTS AND METHODS OF SCREENING - Methods of screening for dihydroxy-acid dehydratase (DHAD) variants that display increased DHAD activity are disclosed, along with DHAD variants identified by these methods. Such enzymes can result in increased production of compounds from DHAD requiring biosynthetic pathways. Also disclosed are isolated nucleic acids encoding the DHAD variants, recombinant host cells comprising the isolated nucleic acid molecules, and methods of producing butanol. | 09-18-2014 |
20140273117 | PROCESS AND COMPOSITION FOR PRODUCTION OF ORGANIC PRODUCTS - The present invention comprises a process to produce organic products from a single-carbon substrate; microbial compositions used in the process; and a process to isolate microorganisms for the process. | 09-18-2014 |
20140273118 | Processes for Converting Biomass-Derived Feedstocks to Chemicals and Liquid Fuels - The present invention provides processes, methods, and systems for converting biomass-derived feedstocks to liquid fuels and chemicals. The method generally includes the reaction of a hydrolysate from a biomass deconstruction process with hydrogen and a catalyst to produce a reaction product comprising one of more oxygenated compounds. The process also includes reacting the reaction product with a condensation catalyst to produce C | 09-18-2014 |
20140273119 | Polypeptides Having Beta-Xylosidase Activity and Polynucleotides Encoding Same - Provided are isolated polypeptides having beta-xylosidase activity and polynucleotides encoding the polypeptides. Also provided are nucleic acid constructs, vectors and host cells comprising the polynucleotides as well as methods of producing and using the polypeptides. | 09-18-2014 |
20140308720 | PROCESSES FOR PRODUCING LEVULINIC ACID FROM BIOMASS - This invention provides processes to convert biomass, including wood and agricultural residues, to levulinic acid and co-products. Some variations treat feedstock with steam and/or hot water to produce an extract liquor containing hemicellulosic oligomers, lignin, and cellulose-rich solids, wherein the hemicellulosic oligomers comprise C | 10-16-2014 |
20140322772 | PRODUCTION OF CARBOXYLATES AND METHANE FROM BIOMASS WASTE - Methods and systems for producing and removing C | 10-30-2014 |
20140342414 | DIRECT BIOCATALYTIC PRODUCTION OF ACRYLIC ACID AND OTHER CARBOXYLIC ACID COMPOUNDS - The present disclosure relates to biocatalytic methods or processes for the synthesis of acrylic acid and its derivatives, or other carboxylic acid compounds of the formula R—CO2H, wherein R is a carbon chain of 5 carbons or fewer, such as methacrylic acid or 3-hydroxypropionic acid. More specifically, the disclosure relates to methods of using an acyl-CoA hydrolase (such as a thioesterase) as a biocatalyst for the hydrolysis (and removal of the CoA moiety) of a substrate acyl-CoA compound to produce the corresponding carboxylic acid compound, such as acrylic acid. In some embodiments, the disclosure provides non-naturally occurring microorganisms that have been transformed with a heterologous acyl-CoA hydrolase, such as a thioesterase, that is capable of hydrolyzing an acyl-CoA produced in a pathway of the microorganism and produce the corresponding carboxylic acid compound, thereby allowing methods for the direct fermentative production of the compound. | 11-20-2014 |
20140356918 | PROCESS FOR SYNTHESIZING BIFUNCTIONAL HYDROCARBON-BASED COMPOUNDS FROM BIOMASS - The subject of the present invention is a process for synthesizing bifunctional hydrocarbon-based compounds from biomass, comprising a step of fermentation of the biomass and a step of oxidation of the intermediate compounds resulting from the fermentation step. | 12-04-2014 |
20140377820 | MICROORGANISMS AND METHODS FOR THE CO-PRODUCTION OF ISOPROPANOL WITH PRIMARY ALCOHOLS, DIOLS AND ACIDS - The invention provides a non-naturally occurring microbial organism having n-propanol and isopropanol pathways, 1,4-butanediol (14-BDO) and isopropanol pathways, 1,3-butanediol (13-BDO) and isopropanol pathways or methylacrylic acid (MAA) and isopropanol pathways. The microbial organism contains at least one exogenous nucleic acid encoding an enzyme in each of the respective n-propanol, 14-BDO, 13-BDO or MAA and isopropanol pathways. The invention additionally provides a method for co-producing n-propanol and isopropanol, 14-BDO and isopropanol, 13-BDO and isopropanol or MAA and isopropanol. The method can include culturing an n-propanol and an isopropanol co-producing microbial organism, where the microbial organism expresses at least one exogenous nucleic acid encoding an n-propanol, an isopropanol, a 14-BDO, a 13-BDO and/or a MAA pathway enzyme in a sufficient amount to produce each of the respective products, under conditions and for a sufficient period of time to produce each of the respective products. | 12-25-2014 |
20150010968 | BIOLOGICAL ALKENE OXIDATION - The present invention relates to method for oxidising an alkene comprising contacting said alkene with an AlkB-type oxidoreductase in the presence of oxygen, and a use of an AlkB-type oxidoreductase, preferably AlkB from | 01-08-2015 |
20150037853 | Methods and Systems for Chemoautotrophic Production of Organic Compounds - The present disclosure identifies pathways, mechanisms, systems and methods to confer chemoautotrophic production of carbon-based products of interest, such as sugars, alcohols, chemicals, amino acids, polymers, fatty acids and their derivatives, hydrocarbons, isoprenoids, and intermediates thereof, in organisms such that these organisms efficiently convert inorganic carbon to organic carbon-based products of interest using inorganic energy, such as formate, and in particular the use of organisms for the commercial production of various carbon-based products of interest. | 02-05-2015 |
20150044739 | CANDIDA SAKE STRAIN FOR PRODUCING LONG CHAIN DICARBOXYLIC ACIDS - A strain of Candida sake, CAT H | 02-12-2015 |
20150132813 | BIOSYNTHETIC PATHWAYS, RECOMBINANT CELLS, AND METHODS - This disclosure describes, generally, recombinant cells modified to exhibit increased biosynthesis of pentanoic acid, methods of making such recombinant cells, and methods of inducing the cells to produce pentanoic acid. This disclosure also describes, generally, recombinant cells modified to exhibit increased biosynthesis of 2-methylbutyric acid, methods of making such recombinant cells, and methods of inducing the cells to produce 2-methylbutyric acid. | 05-14-2015 |
20150329881 | MICROORGANISM HAVING NOVEL ACRYLIC ACID SYNTHESIS PATHWAY AND METHOD OF PRODUCING ACRYLIC ACID BY USING THE MICROORGANISM - A microorganism capable of producing an acrylic acid (AA), wherein activities of a pathway producing AA through conversions of 3-HP to 3-HP-CoA and 3-HP-CoA to AA-CoA in the microorganisms are increased; as well as a method of producing the microorganism and a method of producing an acrylic acid by using the same. | 11-19-2015 |
20160024534 | Increased Heterologous Fe-S Enzyme Activity in Yeast - Yeast strains were engineered that have increased activity of heterologous proteins that require binding of an Fe—S cluster for their activity. The yeast strains have reduced activity of an endogenous Fe—S protein. Activities of heterologous fungal or plant 2Fe-2S dihydroxy-acid dehydratases and Fe—S propanediol dehydratase reactivase were increased for increased production of products made using biosynthetic pathways including these enzymes, such as valine, isoleucine, leucine, pantothenic acid (vitamin B5), isobutanol, 2-butanone and 2-butanol. | 01-28-2016 |
20160068871 | MICROORGANISMS AND METHODS FOR PRODUCING PYRUVATE, ETHANOL, AND OTHER COMPOUNDS - Microorganisms comprising modifications for producing pyruvate, ethanol, and other compounds. The microorganisms comprise modifications that reduce or ablate activity of one or more of pyruvate dehydrogenase, 2-oxoglutarate dehydrogenase, phosphate acetyltransferase, acetate kinase, pyruvate oxidase, lactate dehydrogenase, cytochrome terminal oxidase, succinate dehydrogenase, 6-phosphogluconate dehydrogenase, glutamate dehydrogenase, pyruvate formate lyase, pyruvate formate lyase activating enzyme, and isocitrate lyase. The microorganisms optionally comprise modifications that enhance expression or activity of pyruvate decarboxylase and alcohol dehydrogenase. The microorganisms are optionally evolved in defined media to enhance specific production of one or more compounds. Methods of producing compounds with the microorganisms are provided. | 03-10-2016 |
20160138054 | Method for Decreasing Pyruvate Catabolism and Increasing the Accumulation of Pyruvate in Microbes - The present invention provides a method for decreasing pyruvate catabolism and increasing the accumulation of pyruvate in microbes. By overexpressing wild type dihydrolipoamide acetyltransferase or dihydrolipoamide acetyltransferase mutants which have mutations at conservative active sites, the present invention provide a method to decrease overall activity of pyruvate dehydrogenase complex and pyruvate catabolism, and thus increase the accumulation of extracellular pyruvate without killing the pyruvate-producing microbes. Overexpressing dihydrolipoamide acetyltransferase mutants is an effective way to increase pyruvate accumulation. | 05-19-2016 |
20160177344 | METHOD AND APPARATUS FOR CO2 SEQUESTRATION | 06-23-2016 |