Patent application number | Description | Published |
20100143997 | ENGINEERED MICROORGANISMS CAPABLE OF PRODUCING TARGET COMPOUNDS UNDER ANAEROBIC CONDITIONS - The present invention is generally provides recombinant microorganisms comprising engineered metabolic pathways capable of producing C3-C5 alcohols under aerobic and anaerobic conditions. The invention further provides ketol-acid reductoisomerase enzymes which have been mutated or modified to increase their NADH-dependent activity or to switch the cofactor preference from NADPH to NADH and are expressed in the modified microorganisms. In addition, the invention provides isobutyraldehyde dehydrogenase enzymes expressed in modified microorganisms. Also provided are methods of producing beneficial metabolites under aerobic and anaerobic conditions by contacting a suitable substrate with the modified microorganisms of the present invention. | 06-10-2010 |
20110201072 | Modified alcohol dehydrogenases for the production of fuels and chemicals - The present invention relates to recombinant microorganisms comprising biosynthetic pathways and methods of using said recombinant microorganisms to produce various beneficial metabolites. In various aspects of the invention, the recombinant microorganisms may further comprise one or more modifications resulting in the reduction or elimination of 3 keto-acid (e.g., acetolactate and 2-aceto-2-hydroxybutyrate) and/or aldehyde-derived by-products. In various embodiments described herein, the recombinant microorganisms may be microorganisms of the | 08-18-2011 |
20120028324 | ENGINEERED MICROORGANISMS CAPABLE OF PRODUCING TARGET COMPOUNDS UNDER ANAEROBIC CONDITIONS - The present invention is generlly provides recombinant microorganisms comprising engineered metabolic pathways capable of producing C3-C5 alcohols under aerobic and anaerobic conditions. The invention further provides ketol-acid reductoisomerase enzymes which have been mutated or modified to increase their NADH-dependent activity or to switch the cofactor preference from NADPH to NADH and are expressed in the modified microorganisms. In addition, the invention provides isobutyraldehyde dehydrogenase enzymes expressed in modified microorganisms. Also provided are methods of producing beneficial metabolites under aerobic and anaerobic conditions by contacting a suitable substrate with the modified microorganisms of the present invention. | 02-02-2012 |
20120058532 | ENGINEERED MICROORGANISMS CAPABLE OF PRODUCING TARGET COMPOUNDS UNDER ANAEROBIC CONDITIONS - The present invention is generally provides recombinant microorganisms comprising engineered metabolic pathways capable of producing C3-C5 alcohols under aerobic and anaerobic conditions. The invention further provides ketol-acid reductoisomerase enzymes which have been mutated or modified to increase their NADH-dependent activity or to switch the cofactor preference from NADPH to NADH and are expressed in the modified microorganisms. In addition, the invention provides isobutyraldehyde dehydrogenase enzymes expressed in modified microorganisms. Also provided are methods of producing beneficial metabolites under aerobic and anaerobic conditions by contacting a suitable substrate with the modified microorganisms of the present invention. | 03-08-2012 |
20120190089 | ENGINEERED MICROOGRANISMS CAPABLE OF PRODUCING TARGET COMPOUNDS UNDER ANAEROBIC CONDITIONS - The present invention is generally provides recombinant microorganisms comprising engineered metabolic pathways capable of producing C3-C5 alcohols under aerobic and anaerobic conditions. The invention further provides ketol-acid reductoisomerase enzymes which have been mutated or modified to increase their NADH-dependent activity or to switch the cofactor preference from NADPH to NADH and are expressed in the modified microorganisms. In addition, the invention provides isobutyraldehyde dehydrogenase enzymes expressed in modified microorganisms. Also provided are methods of producing beneficial metabolites under aerobic and anaerobic conditions by contacting a suitable substrate with the modified microorganisms of the present invention. | 07-26-2012 |
20140017748 | MODIFIED ALCOHOL DEHYDROGENASES FOR THE PRODUCTION OF FUELS AND CHEMICALS - The present invention relates to recombinant microorganisms comprising biosynthetic pathways and methods of using said recombinant microorganisms to produce various beneficial metabolites. In various aspects of the invention, the recombinant microorganisms may further comprise one or more modifications resulting in the reduction or elimination of 3 keto-acid (e.g., acetolactate and 2-aceto-2-hydroxybutyrate) and/or aldehyde-derived by-products. In various embodiments described herein, the recombinant microorganisms may be microorganisms of the | 01-16-2014 |
20140295512 | Ketol-Acid Reductoisomerases With Improved Performance Properties - The present invention relates to recombinant microorganisms comprising at least one nucleic acid molecule encoding a ketol-acid reductoisomerase (KARI) or modified NADH-dependent variant thereof, wherein said KARI is at least about 60% identical to SEQ ID NO: 2. In various aspects of the invention, the recombinant microorganisms may comprise an isobutanol producing metabolic pathway and can be used in methods of making isobutanol. | 10-02-2014 |
20140295513 | High-Performance Ketol-Acid Reductoisomerases - The present invention relates to recombinant microorganisms comprising at least one nucleic acid molecule encoding a ketol-acid reductoisomerase (KARI) or a modified NADH-dependent variant thereof, wherein said KARI is at least about 80% identical to SEQ ID NO: 2, SEQ ID NO: 4, SEQ ID NO: 6, SEQ ID NO: 8, SEQ ID NO: 10, SEQ ID NO: 28, SEQ ID NO: 40, or SEQ ID NO: 58. The present invention also relates to recombinant microorganisms comprising at least one nucleic acid molecule encoding a ketol-acid reductoisomerase (KARI) or a modified NADH-dependent variant thereof, wherein said KARI is at least about 99% identical to SEQ ID NO: 64. In various aspects of the invention, the recombinant microorganisms may comprise an isobutanol producing metabolic pathway and can be used in methods of making isobutanol. | 10-02-2014 |