Matches 51 - 100 out of 334 < 1 2 3 4 5 6 7 >
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7285403 Xylose-fermenting recombinant yeast strains  
Disclosed are xylose-fermenting recombinant yeast strains expressing xylose reductase, xylitol dehydrogenase, and xylulokinase and having reduced expression of PHO13 or a PHO13 ortholog, as well as...
7273742 BGL3 beta-glucosidase and nucleic acids encoding the same  
The present invention provides a novel β-glucosidase nucleic acid sequence, designated bgl3, and the corresponding BGL3 amino acid sequence. The invention also provides expression vectors and host...
7244597 Secondary liquefaction in ethanol production  
The invention relates to a method of producing ethanol by fermentation, said method comprising a secondary liquefaction step in the presence of a thermostable acid alpha-amylase or, a thermostable...
7223575 Zymomonas pentose-sugar fermenting strains and uses thereof  
Disclosed in the present invention is a Zymomonas integrant and derivatives of these integrants that posses the ability to ferment pentose into ethanol. The genetic sequences encoding for the...
7189306 Process of treating lignocellulosic material to produce bio-ethanol  
This invention relates to a process of treating a lignocellulosic material to produce bio-ethanol. The process includes the steps of: (a) exposing the lignocellulosic material to conditions...
7189552 Thermostable alpha-amylases  
An isolated polynucleotide comprising an open reading frame encoding a polypeptide having alpha-amylase activity, the polypeptide selected from the group consisting of: a) a polypeptide comprising...
7172894 Reductase gene and use of the same  
A gene containing a DNA having the nucleotide sequence encoding any one of the amino acid sequences of the following (a) to (e): (a) an amino acid sequence set out in SEQ ID NO: 1; (b) an...
7138257 Method for producing ethanol by using corn flours  
A method for producing ethanol starting from corn flours, which provides for the milling of the corn, the separation of the light fractions (bran), a first refining of the milled fractions, a first...
7129069 Hybrid enzymes  
The present invention relates to a hybrid enzyme comprising at least one carbohydrate-binding module amino acid sequence and at least the catalytic module of a glucoamylase amino acid sequence. The...
7109005 Process for the simultaneous production of xylitol and ethanol  
Effective processes are provided for the production of xylitol and ethanol and other products from solutions derived from lignocellulose-containing material in biomass. The solutions can be...
7101691 Alcohol production using sonication  
A method comprising applying sonication to a grain-based liquid medium processing stream of a starch-to-alcohol production process with one or more transducers is provided. In one embodiment, the...
7102057 Self-processing plants and plant parts  
The invention provides polynucleotides, preferably synthetic polynucleotides, which encode processing enzymes that are optimized for expression in plants. The polynucleotides encode mesophilic,...
7091014 Transformed microorganisms with improved properties  
The present invention relates to genetic engineering of production microorganisms used in biotechnology to improve their properties so that they produce useful products more efficiently. The...
7083954 Method of producing fermentation-based products from corn  
Corn oil and corn meal obtained from corn are included in useful products. A method for producing fermentation-based products comprises combining corn meal with water and an enzyme, and mixing the...
7078201 Ethanol fermentation using oxidation reduction potential  
A process to improve ethanol yield, decrease fermentation time and reduce byproduct formation by monitoring and controlling oxidation reduction potential (redox) of the fermentor is disclosed.
7074603 Process for producing ethanol from corn dry milling  
A process for producing ethanol by the conversion of carbohydrates from a corn dry milling process in which the bottoms fraction from distillation of ethanol in a conventional yeast fermentation is...
7070967 High speed, consecutive batch or continuous, low effluent process for the production of ethanol from molasses, starches, or sugars  
A flocculent Saccharomyces cerevisae strain (BPSC-15) produces higher yields of ethanol in fermentations of fermentable sugar or fermentable starch/enzyme.
7018829 Metabolically engineered microbial cell with an altered metabolite production  
A recombinant microbial cell comprises at least one increased expressible enzyme activity controlling anabolic metabolism of ammonia as a nutrient source, the increased enzyme activity being an...
6924132 Protein complementing yeast low temperature-sensitivity fermentability  
The present invention relates to yeast having DNA encoding a protein having the amino acid sequence of SEQ ID NO:2, or a gene which comprises DNA having the nucleotide sequence of SEQ ID NO: 1.
6908995 Production of carbohydrates, alcohol and resins from biomass  
Ethanol is produced from biomass by the process of a heated aqueous solution containing 20 to 40 percent alkali metal hydroxide to break the lignin-cellulose bond. Then the biomass is heated...
6849434 Ethanol production in recombinant hosts  
The subject invention concerns the transformation of Gram-positive bacteria with heterologous genes which confer upon these microbes the ability to produce ethanol as a fermentation product....
6846657 Process for the simultaneous production of xylitol and ethanol  
The invention relates to a process for the simultaneous production of xylitol and ethanol from a hydrolyzed lignocellulose-containing material starting. The starting material is fermented with a...
6740508 Fermentation-based products from corn and method  
Corn oil and corn meal obtained from corn are included in useful products. A method for producing fermentation-based products comprises combining corn meal with water and an enzyme, and mixing the...
6737257 Hyperthermophilic enzymes for industrial chemical redox reactions: a method for biofuel ethanol production  
The present invention is directed to use of hyperthermophilic enzymes for industrial chemical redox reactions such as ethanol production. The present invention is especially useful for the coupled...
6737258 Process for the conversion of and aqueous biomass hydrolyzate into fuels or chemicals by the selective removal of fermentation inhibitors  
A process of making a fuel or chemical from a biomass hydrolyzate is provided which comprises the steps of providing a biomass hydrolyzate, adjusting the pH of the hydrolyzate, contacting a metal...
6699696 Genetically modified cyanobacteria for the production of ethanol, the constructs and method thereof  
The invention provides a genetically modified Cyanobacteria having a construct comprising DNA fragments encoding pyruvate decarboxylase (pdc) and alcohol dehydrogenase (adh) enzymes obtained from...
6664076 Modification of bacteria  
Sporulation-deficient variants of thermophilic, facultatively anaerobic, Gram-positive bacteria can be generated using a plasmid transformation system based on a novel method of in vivo...
6582944 Production of ethanol from xylose  
This invention relates to recombinant-DNA-technology. Specifically this invention relates to new recombinant yeast strains transformed with xylose reductase and/or xylitol dehydrogenase enzyme...
6569653 Method for producing ethanol with frequent input of yeast  
In this process for producing ethanol by enzymatic treatment of a must of a starchy plant material with yeasts of the genus Saccharomyces, all the old yeasts are replaced with fresh yeasts in order...
6566107 Recombinant Zymomonas mobilis with improved xylose utilization  
A strain derived from Zymomonas mobilis ATCC31821 or its derivative capable of producing ethanol upon fermentation of a carbohydrate medium containing xylose to provide enhanced xylose...
6555350 Method for processing lignocellulosic material  
A method wherein lignocellulosic biomass materials are converted into combustible fuel products. In particular, the method is a continuous process, involving wet oxidation or steam explosion, for...
6518050 Process for producing and extracting aromatic compounds  
The invention relates to a means for enhancing the value of distillation residues of fermentation products and in particular, a process for producing compounds of economic interest from these...
6475768 Xylose isomerase with improved properties  
The present invention relates to novel nucleic acid sequences which, upon expression in a procaryotic or eucaryotic cell, code for a polypeptide having an elevated specific xylose isomerase...
6419828 Method for the separation of acid from sugars  
A method for separating acid and sugars obtained from liquids resulting from the acid hydrolysis of a material containing at least one of cellulose and hemicellulose is disclosed, comprising adding...
6420146 Process for the preparation of stable yeast crystals for enhanced production of ethanol  
The invention provides a process for the preparation of stable yeast crystals for enhanced production of ethanol, said process comprising the steps of culturing yeast Sacchromyces spp. in a growth...
6395521 Microbial process for producing hydrogen  
In hydrogen production with microorganisms, cultivation of a microalga under light and aerobic conditions and/or hydrogen production by a photosynthetic bacterium under light and anaerobic...
6391599 Sham-sensitive terminal oxidase gene from xylose-fermenting yeast  
Disclosed is a SHAM-sensitive terminal oxidase (STO) gene from the xylose-fermenting yeast Pichia stipitis . Also disclosed is a mutant of Pichia stipitis in which the STO gene natively present...
6358717 Method of producing butanol using a mutant strain of Clostridium beijerinckii  
The present invention relates to a method of producing high levels of butanol using a fermentation process that employs a mutant strain of Clostridium beijerinckii.
6355456 Process of using wet grain residue from ethanol production to feed livestock for methane production  
An integrated continuous process for the production of ethanol and a bio-gas containing methane is disclosed. The process comprises the following steps. First, grain is fermented in an aqueous...
6335177 Microorganisms and method for producing xylitol or d-xylulose  
According to the present invention, there are provided microorganisms having an ability to producing xylitol or D-xylulose by fermentation, and a method for producing xylitol or D-xylulose using...
6280986 Stabilization of pet operon plasmids and ethanol production in bacterial strains lacking lactate dehydrogenase and pyruvate formate lyase activities  
Recombinant bacteria are disclosed which are transformed with heterologous DNA coding for alcohol dehydrogenase (adh) and pyruvate decarboxylase (pdc), and which are effective for use in the...
6231765 Process for making polymeric complex from residual or by-product effluents from distilleries  
A process for obtaining a polymeric complex from a by-product effluent obtained in a process for manufacturing alcohol by distilling a fermented aqueous sugar solution containing yeast. After...
6136577 Biological production of ethanol from waste gases with Clostridium ljungdahlii  
A method and apparatus for converting waste gases from industrial processes such as oil refining, carbon black, coke, ammonia, and methanol production, into useful products is disclosed. The method...
6130076 Ethanol production using a soy hydrolysate-based medium or a yeast autolysate-based medium  
This invention presents a method for the production of ethanol that utilizes a soy hydrolysate-based nutrient medium or a yeast autolysate-based medium nutrient medium in conjunction with...
6090595 Pretreatment process for conversion of cellulose to fuel ethanol  
An improved pretreatment of cellulosic feedstocks, to enable economical ethanol production by enzyme treatment. The improved pretreatment comprises choosing either a feedstock with a ratio of...
6083998 Defoamer and methods of use thereof  
Disclosed are methods and compositions for defoaming alcoholic fermentations. An aqueous composition of polydimethylsiloxane, an ethylene oxide/propylene oxide block copolymer and a silicone/silica...
6071729 Disruption of the cytochrome C gene in xylose-fermenting yeast  
Disclosed is a xylose-fermenting mutant yeast strain exhibiting reduced expression of cytochrome c and enhanced fermentation of xylose relative to xylose-fermenting yeast strains in which...
6054302 High solids, single phase process for preparing enzyme-converted starches  
A high solids, enzyme conversion process for preparing an enzyme-converted starch is carried out by adding to a modified or unmodified starch, preferably a granular starch, water and an enzyme in...
6045660 Mechanically assisted two-phase contactor and fuel ethanol production system  
Apparatus for use in the rectification of liquid mixtures (separation of liquid mixtures into their constituents) and other processes requiring equilibration of liquid and gaseous phases in which...
6015699 Process for the production of alcohol  
The subject invention relates to an improved process for the production of alcohol which obviates the drawbacks and limitations of the hitherto known process, comprises growing a yeast in a...
Matches 51 - 100 out of 334 < 1 2 3 4 5 6 7 >