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Ellen Burke, San Diego US

Ellen Burke, San Diego, CA US

Patent application numberDescriptionPublished
20080268527Mutant bacterial strains of the genus sphingomonas deficient in production of polyhydroxybutyrate and a process of clarification of sphingans and compositions thereof - The invention relates to mutant strains of the genus 10-30-2008
20090038023Lyase Enzymes, Nucleic Acids Encoding Them and Methods For Making and Using Them - This invention provides polypeptides having lyase activity, polynucleotides encoding these polypeptides, and methods of making and using these polynucleotides and polypeptides. In one aspect, the invention is directed to polypeptides having ammonia lyase activity, e.g., phenylalanine ammonia lyase, tyrosine ammonia lyase and/or histidine ammonia lyase activity, including thermostable and thermotolerant activity, and polynucleotides encoding these enzymes, and making and using these polynucleotides and polypeptides. The polypeptides of the invention can be used in a variety of pharmaceutical, agricultural and industrial contexts.02-05-2009
20100095390Aldolases, Nucleic Acids Encoding Them and Methods for Making and Using Them - This invention relates to polypeptides having aldolase activity, including pyruvate activity such as, without limitation, HMG and/or KHG aldolase activity, polynucleotides encoding these polypeptides, and methods of making and using these polynucleotides and polypeptides. In some embodiments, the invention is directed to polypeptides having aldolase activity, including pyruvate activity such as, without limitation, HMG and/or KHG aldolase activity, including thermostable and thermotolerant activity, and polynucleotides encoding these enzymes, and making and using these polynucleotides and polypeptides. The polypeptides in accordance with the invention can be used in a variety of pharmaceutical, agricultural and industrial contexts. In some embodiments, the invention provides polypeptides and biosynthetic pathways that are useful in the production of R-2-hydroxy 2-(indol-3ylmethyl)-4-keto glutaric acid (R-MP) and certain stereoisomers of monatin, such as R,R and S,R monatin, and salts thereof, as well as certain stereoisomers of monatin derivatives, such as the R,R and S,R configurations, and salts thereof.04-15-2010
20100189706ENZYMES FOR THE TREATMENT OF LIGNOCELLULOSICS, NUCLEIC ACIDS ENCODING THEM AND METHODS FOR MAKING AND USING THEM - The invention provides polypeptides having a lignocellulolytic activity, e.g., a glycosyl hydrolase, a cellulase, an endoglucanase, a cellobiohydrolase, a beta-glucosidase, a xylanase, a mannanse, a xylosidase (e.g., a β-xylosidase), an arabinofuranosidase, and/or a glucose oxidase activity, polynucleotides encoding these polypeptides, and methods of making and using these polynucleotides and polypeptides. In one aspect, the invention provides polypeptides that can enzymatically process (hydrolyze) sugarcane bagasse, i.e., for sugarcane bagasse degradation, or for biomass processing, and polynucleotides encoding these enzymes, and making and using these polynucleotides and polypeptides. In one embodiment, the invention provides thermostable and thermotolerant forms of polypeptides of the invention. The polypeptides of the invention can be used in a variety of pharmaceutical, agricultural and industrial contexts; for example, the invention provides a multi-enzyme system that can hydrolyze polysaccharides in a bagasse component of sugarcane processed in sugar mills. The invention provides enzymes for the bioconversion of lignocellulosic residues into fermentable sugars; and these sugars can be used as a chemical feedstock for the production of ethanol and fuels, including biofuels such as bioethanol, biopropanol, biobutanol and biodiesels.07-29-2010
20110009611CLARIFICATION OF SPHINGANS AND COMPOSITIONS THEREOF - The invention relates to mutant strains of the genus 01-13-2011
20110020882AMINOTRANSFERASE AND OXIDOREDUCTASE NUCLEIC ACIDS AND POLYPEPTIDES AND METHODS OF USING - The invention provides for aminotransferase and oxidoreductase polypeptides and nucleic acids encoding such polypeptides. Also provided are methods of using such aminotransferase and oxidoreductase nucleic acids and polypeptides.01-27-2011
20110027346Lyase Enzymes, Nucleic Acids Encoding Them and Methods for Making and Using Them - This invention provides polypeptides having lyase activity, polynucleotides encoding these polypeptides, and methods of making and using these polynucleotides and polypeptides. In one aspect, the invention is directed to polypeptides having ammonia lyase activity, e.g., phenylalanine ammonia lyase, tyrosine ammonia lyase and/or histidine ammonia lyase activity, including thermostable and thermotolerant activity, and polynucleotides encoding these enzymes, and making and using these polynucleotides and polypeptides. The polypeptides of the invention can be used in a variety of pharmaceutical, agricultural and industrial contexts.02-03-2011
20110039308AMYLASES AND GLUCOAMYLASES, NUCLEIC ACIDS ENCODING THEM AND METHODS FOR MAKING AND USING THEM - In one aspect, the invention is directed to polypeptides having an amylase and/or glucoamylase activity, polynucleotides encoding the polypeptides, and methods for making and using these polynucleotides and polypeptides. In one aspect, the polypeptides of the invention can be used as amylases, for example, alpha amylases, to catalyze the hydrolysis of polysaccharide, oligosaccharide or starch into sugars. In one aspect, the invention provides delayed release compositions comprising an desired ingredient coated by a latex polymer coating. In alternative embodiments, enzymes are used to make biofuels, e.g., ethanol, butanol, propanol, or a gasoline-ethanol mix, including a bioethanol, biopropanol, biobutanol, or a biodiesel, or for any form of fuel or biomass processing.02-17-2011
20110045547ISOMERASES AND EPIMERASES AND METHODS OF USING - The invention provides for isomerase (e.g., racemase) and epimerase polypeptides and nucleic acids encoding such polypeptides. Also provided are methods of using such isomerase (e.g., racemase) and epimerase nucleic acids and polypeptides.02-24-2011

Patent applications by Ellen Burke, San Diego, CA US