Patent application number | Description | Published |
20090104674 | Diacylglycerol Acyltransferases for Alteration of Polyunsaturated Fatty Acids and Oil Content in Oleaginous Organisms - Acyltransferases are provided, suitable for use in the manufacture of microbial oils enriched in omega fatty acids in oleaginous yeast (e.g., | 04-23-2009 |
20090117253 | PEROXISOME BIOGENESIS FACTOR PROTEIN (PEX) DISRUPTIONS FOR ALTERING POLYUNSATURATED FATTY ACIDS AND TOTAL LIPID CONTENT IN OLEAGINOUS EUKARYOTIC ORGANISMS - Methods of increasing the amount of polyunsaturated fatty acids (PUFAs) in the total lipid fraction and in the oil fraction of PUFA-producing, oleaginous eukaryotes, accomplished by modifying the activity of peroxisome biogenesis factor (Pex) proteins. Disruptions of a chromosomal Pex3 gene, Pex10p gene or Pex16p gene in a PUFA-producing, oleaginous eukaryotic strain resulted in an increased amount of PUFAs, as a percent of total fatty acids and as a percent of dry cell weight, in the total lipid fraction and in the oil fraction of the strain, as compared to the parental strain whose native Pex protein was not disrupted. | 05-07-2009 |
20090186362 | FUNGAL DELTA-12 DESATURASE AND DELTA-15 DESATURASE MOTIFS - The present invention relates to fungal Δ12 desaturases (responsible for conversion of oleic acid to linoleic acid (18:2, LA)) and Δ15 fatty acid desaturases (responsible for conversion of LA to α-linolenic acid (18:3, ALA)). Amino acid motifs diagnostic of Δ12 desaturases and Δ15 desaturases are also provided. Methods of altering enzyme specificity towards Δ12 desaturation or towards Δ15 desaturation and/or increasing production of specific ω-3 and ω-6 fatty acids by over-expression of the fungal desaturases are also described. | 07-23-2009 |
20090203142 | NUCLEOTIDE SEQUENCES OF A NEW CLASS OF DIVERGED DELTA-9 STEAROYL-ACP DESATURASE GENES - An isolated nucleic acid fragment encoding a diverged delta-9 fatty acid desaturase is disclosed. Also the construction of a chimeric gene encoding all or a portion of the diverged delta-9 fatty acid desaturase is disclosed, in sense or antisense orientation, wherein expression of the chimeric gene results in production of altered levels of the diverged delta-9 fatty acid desaturase in a transformed host cell. | 08-13-2009 |
20090205066 | FATTY ACID DESATURASE GENES FROM PLANTS - The preparation and use of nucleic acid fragments encoding fatty acid desaturase enzymes are described. The invention permits alteration of plant lipid composition. Chimeric genes incorporating such nucleic acid fragments with suitable regulatory sequences may be used to create transgenic plants with altered levels of unsaturated fatty acids. | 08-13-2009 |
20090233346 | PRODUCTION OF POLYUNSATURATED FATTY ACIDS IN OLEAGINOUS YEASTS - The present invention relates to methods for the production of ω-3 and/or ω-6 fatty acids in oleaginous yeast. Thus, desaturases and elongases able to catalyze the conversion of linoleic acid (LA) to γ-linolenic acid (GLA); α-linoleic acid (ALA) to stearidonic acid (STA); GLA to dihomo-γ-linoleic acid (DGLA); STA to eicosatetraenoic acid (ETA); DGLA to arachidonic acid (ARA); ETA to eicosapentaenoic acid (EPA); DGLA to ETA; EPA to docosapentaenoic acid (DPA); and ARA to EPA have been introduced into the genome of | 09-17-2009 |
20090233347 | PRODUCTION OF POLYUNSATURATED FATTY ACIDS IN OLEAGINOUS YEASTS - The present invention relates to methods for the production of ω-3 and/or ω-6 fatty acids in oleaginous yeast. Thus, desaturases and elongases able to catalyze the conversion of linoleic acid (LA) to γ-linolenic acid (GLA); α-linoleic acid (ALA) to stearidonic acid (STA); GLA to dihomo-γ-linoleic acid (DGLA); STA to eicosatetraenoic acid (ETA); DGLA to arachidonic acid (ARA); ETA to eicosapentaenoic acid (EPA); DGLA to ETA; EPA to docosapentaenoic acid (DPA); and ARA to EPA have been introduced into the genome of | 09-17-2009 |
20090269828 | ACYLTRANSFERASES FOR ALTERATION OF POLYUNSATURATED FATTY ACIDS AND OIL CONTENT IN OLEAGINOUS YEASTS - Two acyltransferases are provided, suitable for use in the manufacture of microbial oils enriched in omega fatty acids in oleaginous yeast (e.g., | 10-29-2009 |
20090274816 | DELTA-15 DESATURASE GENES SUITABLE FOR INCREASING LEVELS OF OMEGA-3 FATTY ACIDS - The present invention relates to fungal Δ-15 fatty acid desaturases that are able to catalyze the conversion of linoleic acid (18:2, LA) to alpha-linolenic acid (18:3, ALA). Nucleic acid sequences encoding the desaturases, nucleic acid sequences which hybridize thereto, DNA constructs comprising the desaturase genes, and recombinant host plants and microorganisms expressing increased levels of the desaturases are described. Methods of increasing production of specific omega-3 and omega-6 fatty acids by over-expression of the Δ-15 fatty acid desaturases are also described herein. | 11-05-2009 |
20090280996 | DELTA 17 DESATURASE AND ITS USE IN MAKING POLYUNSATURATED FATTY ACIDS - The present invention relates to Δ17 desaturases, which have the ability to convert ω-6 fatty acids into their ω-3 counterparts (i.e., conversion of arachidonic acid [20:4, ARA] to eicosapentaenoic acid [20:5, EPA]). Isolated nucleic acid fragments and recombinant constructs comprising such fragments encoding Δ17 desaturases along with a method of making long-chain polyunsaturated fatty acids (PUFAs) using these Δ17 desaturases in oleaginous yeast are disclosed. | 11-12-2009 |
20090311380 | DOCOSAHEXAENOIC ACID PRODUCING STRAINS OF YARROWIA LIPOLYTICA - An engineered strain of the oleaginous yeast | 12-17-2009 |
20090325265 | High eicosapentaenoic acid producing strains of yarrowia lipolytica - Lysophosphatidic acid acyltransferase [“LPAAT”] participates in the second step of oil biosynthesis and is expected to play a key role in altering the quantity of long-chain polyunsaturated fatty acids [“LC-PUFAs”] produced in oils of oleaginous organisms. An LPAAT isolated from | 12-31-2009 |
20100022647 | HIGH ARACHIDONIC ACID PRODUCING STRAINS OF YARROWIA LIPOLYTICA - Engineered strains of the oleaginous yeast | 01-28-2010 |
20100041113 | DELTA 6 DESATURASES AND THEIR USE IN MAKING POLYUNSATURATED FATTY ACIDS - The present invention relates to Δ6 desaturases, which have the ability to convert linoleic acid [“LA”; 18:2 ω-6] to γ-linolenic acid [“GLA”; 18:3 ω-6] and/or α-linolenic acid [“ALA”; 18:3 ω-3] to stearidonic acid [“STA”; 18:4 ω-3]. Isolated nucleic acid fragments and recombinant constructs comprising such fragments encoding Δ6 desaturases, along with methods of making long-chain polyunsaturated fatty acids [“PUFAs”] using these Δ6 desaturases in oleaginous yeast, are disclosed. | 02-18-2010 |
20100113811 | DELTA-15 DESATURASES GENES SUITABLE FOR INCREASING LEVELS OF OMEGA-3 FATTY ACIDS - The present invention relates to fungal Δ-15 fatty acid desaturases that are able to catalyze the conversion of linoleic acid (18:2, LA) to alpha-linolenic acid (18:3, ALA). Nucleic acid sequences encoding the desaturases, nucleic acid sequences which hybridize thereto, DNA constructs comprising the desaturase genes, and recombinant host plants and microorganisms expressing increased levels of the desaturases are described. Methods of increasing production of specific omega-3 and omega-6 fatty acids by over-expression of the Δ-15 fatty acid desaturases are also described herein. | 05-06-2010 |
20100317072 | OPTIMIZED STRAINS OF YARROWIA LIPOLYTICA FOR HIGH EICOSAPENTAENOIC ACID PRODUCTION - Described are engineered strains of the oleaginous yeast | 12-16-2010 |
20100317735 | HIGH EICOSAPENTAENOIC ACID OILS FROM IMPROVED OPTIMIZED STRAINS OF YARROWIA LIPOLYTICA - Described are engineered strains of the oleaginous yeast | 12-16-2010 |
20100317882 | LONG CHAIN OMEGA-3 AND OMEGA-6 POLYUNSATURATED FATTY ACID BIOSYNTHESIS BY EXPRESSION OF ACYL-CoA LYSOPHOSPHOLIPID ACYLTRANSFERASES - Methods for increasing C | 12-16-2010 |
20110086919 | HIGH EICOSAPENTAENOIC ACID PRODUCING STRAINS OF YARROWIA LIPOLYTICA - Engineered strains of the oleaginous yeast | 04-14-2011 |
20120058246 | DGAT GENES FROM YARROWIA LIPOLYTICA FOR INCREASED SEED STORAGE LIPID PRODUCTION AND ALTERED FATTY ACID PROFILES IN SOYBEAN - Transgenic soybean seed having increased total fatty acid content of at least 10% and altered fatty acid profiles when compared to the total fatty acid content of non-transgenic, null segregant soybean seed are described. DGAT genes from | 03-08-2012 |
20120151621 | GENES FOR MICROSOMAL DELTA-12 FATTY ACID DESATURASES AND HYDROXYLASES FROM PLANTS - The preparation and use of nucleic acid fragments encoding fatty acid desaturase enzymes are described. The invention permits alteration of plant lipid composition. Chimeric genes incorporating such nucleic acid fragments with suitable regulatory sequences may be used to create transgenic plants with altered levels of unsaturated fatty acids. | 06-14-2012 |
20120289600 | OPTIMIZED STRAINS OF YARROWIA LIPOLYTICA FOR HIGH EICOSAPENTAENOIC ACID PRODUCTION - Engineered strains of the oleaginous yeast | 11-15-2012 |
20130006004 | DELTA-15 DESATURASE GENES SUITABLE FOR INCREASING LEVELS OF OMEGA-3 FATTY ACIDS - The present invention relates to fungal Δ-15 fatty acid desaturases that are able to catalyze the conversion of linoleic acid (18:2, LA) to alpha-linolenic acid (18:3, ALA). Nucleic acid sequences encoding the desaturases, nucleic acid sequences which hybridize thereto, DNA constructs comprising the desaturase genes, and recombinant host plants and microorganisms expressing increased levels of the desaturases are described. Methods of increasing production of specific omega-3 and omega-6 fatty acids by over-expression of the Δ-15 fatty acid desaturases are also described herein. | 01-03-2013 |
20130011846 | DELTA 17 DESATURASE AND ITS USE IN MAKING POLYUNSATURATED FATTY ACIDS - The present invention relates to Δ17 desaturases, which have the ability to convert ω-6 fatty acids into their ω-3 counterparts (i.e., conversion of arachidonic acid [20:4, ARA] to eicosapentaenoic acid [20:5, EPA]). Isolated nucleic acid fragments and recombinant constructs comprising such fragments encoding Δ17 desaturases along with a method of making long-chain polyunsaturated fatty acids (PUFAs) using these Δ17 desaturases in oleaginous yeast are disclosed. | 01-10-2013 |
20130123361 | HIGH ARACHIDONIC ACID PRODUCING STRAINS OF YARROWIA LIPOLYTICA - Engineered strains of the oleaginous yeast | 05-16-2013 |
20130143305 | PRODUCTION OF POLYUNSATURATED FATTY ACIDS IN OLEAGINOUS YEASTS - The present invention relates to methods for the production of ω-3 and/or ω-6 fatty acids in oleaginous yeast. Thus, desaturases and elongases able to catalyze the conversion of linoleic acid (LA) to γ-linolenic acid (GLA); α-linoleic acid (ALA) to stearidonic acid (STA); GLA to dihomo-γ-linoleic acid (DGLA); STA to eicosatetraenoic acid (ETA); DGLA to arachidonic acid (ARA); ETA to eicosapentaenoic acid (EPA); DGLA to ETA; EPA to docosapentaenoic acid (DPA); and ARA to EPA have been introduced into the genome of | 06-06-2013 |
20130230891 | PEROXISOME BIOGENESIS FACTOR PROTEIN (PEX) DISRUPTIONS FOR ALTERING POLYUNSATURATED FATTY ACIDS AND TOTAL LIPID CONTENT IN OLEAGINOUS EUKARYOTIC ORGANISMS - Methods of increasing the amount of polyunsaturated fatty acids (PUFAs) in the total lipid fraction and in the oil fraction of PUFA-producing, oleaginous eukaryotes, accomplished by modifying the activity of peroxisome biogenesis factor (Pex) proteins. Disruptions of a chromosomal Pex3 gene, Pex10p gene or Pex16p gene in a PUFA-producing, oleaginous eukaryotic strain resulted in an increased amount of PUFAs, as a percent of total fatty acids and as a percent of dry cell weight, in the total lipid fraction and in the oil fraction of the strain, as compared to the parental strain whose native Pex protein was not disrupted. | 09-05-2013 |
20130337514 | PRODUCTION OF POLYUNSATURATED FATTY ACIDS BY COEXPRESSION OF ACYL-CoA:LYSOPHOSPHATIDYLCHOLINE ACYLTRANSFERASES AND PHOSPHOLIPID:DIACYLGLYCEROL ACYLTRANSFERASES - Acyl-CoA:lysophosphatidylcholine acyltransferase [“LPCAT”] having the ability to convert acyl-CoA+1-acyl-sn-glycero-3-phosphocholine to CoA+1,2-diacyl-sn-glycero-3-phosphocholine (EC 2.3.1.23) is disclosed herein to be over-expressed along with the over-expression of phospholipid:diacylglycerol acyltransferase [“PDAT”] having the ability to transfer a fatty acyl group from the sn-2 position of a phospholipid (e.g., phosphatidylcholine) to the sn-3 position of 1,2-diacylglycerol [E.C.2.3.1.158], thus resulting in a lysophospholipid and TAG. Co-expression of these enzymes in a recombinant microbial host cell resulted in increased production of long chain polyunsaturated fatty acids [“PUFAs”]. | 12-19-2013 |
20130337538 | MUTANT ACYL-CoA:LYSOPHOSPHATIDYLCHOLINE ACYLTRANSFERASES - Mutant acyl-CoA:lysophosphatidylcholine acyltransferases [“LPCATs”] having the ability to convert acyl-CoA+1-acyl-sn-glycero-3-phosphocholine to CoA+1,2-diacyl-sn-glycero-3-phosphocholine (EC 2.3.1.23) are disclosed herein. Isolated nucleic acid fragments and recombinant constructs comprising such fragments encoding mutant LPCATs, along with a method of making long chain polyunsaturated fatty acids [“PUFAs”] using these mutant LPCATs in oleaginous yeast, are also disclosed. | 12-19-2013 |
20140030772 | HIGH EICOSAPENTAENOIC ACID PRODUCING STRAINS OF YARROWIA LIPOLYTICA - Engineered strains of the oleaginous yeast | 01-30-2014 |
20140031572 | LONG CHAIN OMEGA-3 AND OMEGA-6 POLYUNSATURATED FATTY ACID BIOSYNTHESIS BY EXPRESSION OF ACYL-CoA LYSOPHOSPHOLIPID ACYLTRANSFERASES - Methods for increasing C | 01-30-2014 |
20140050838 | DELTA-15 DESATURASES SUITABLE FOR ALTERING LEVELS OF POLYUNSATURATED FATTY ACIDS IN OILSEED PLANTS AND OLEAGINOUS YEAST - The present invention relates to fungal Δ-15 fatty acid desaturases that are able to catalyze the conversion of linoleic acid (18:2, LA) to alpha-linolenic acid (18:3, ALA). Nucleic acid sequences encoding the desaturases, nucleic acid sequences which hybridize thereto, DNA constructs comprising the desaturase genes, and recombinant host plants and microorganisms expressing increased levels of the desaturases are described. Methods of increasing production of specific omega-3 and omega-6 fatty acids by over-expression of the Δ-15 fatty acid desaturases are also described herein. | 02-20-2014 |
20140186906 | RECOMBINANT MICROBIAL CELLS THAT PRODUCE AT LEAST 28% EICOSAPENTAENOIC ACID AS DRY CELL WEIGHT - Recombinant microbial cells are disclosed herein that produce an oil comprising at least 28 percent eicosapentaenoic acid (EPA) measured as a weight percent of dry cell weight. These cells may comprise a polynucleotide sequence encoding an active acyl-CoA:lysophosphatidylcholine acyltransferase (LPCAT) comprising at least one amino acid mutation in a membrane-bound O-acyltransferase motif. In addition, the cells may comprise a down-regulation of an endogenous polynucleotide sequence encoding Sou2 sorbitol utilization protein, and/or one or more polynucleotides encoding phospholipid:diacylglycerol acyltransferase (PDAT), delta-12 desaturase, a dihomo-gamma-linolenic acid (DGLA) synthase multizyme, delta-8 desaturase, malonyl-CoA synthetase (MCS), or acyl-CoA:lysophosphatidic acid acyltransferase (LPAAT). Also disclosed are methods of using the recombinant microbial cells to produce oil containing omega-3 polyunsaturated fatty acids such as EPA. | 07-03-2014 |
20150024441 | PEROXISOME BIOGENESIS FACTOR PROTEIN (PEX) DISRUPTIONS FOR ALTERING POLYUNSATURATED FATTY ACIDS AND TOTAL LIPID CONTENT IN OLEAGINOUS EUKARYOTIC ORGANISMS - Methods of increasing the amount of polyunsaturated fatty acids (PUFAs) in the total lipid fraction and in the oil fraction of PUFA-producing, oleaginous eukaryotes, accomplished by modifying the activity of peroxisome biogenesis factor (Pex) proteins. Disruptions of a chromosomal Pex3 gene, Pex10p gene or Pex16p gene in a PUFA-producing, oleaginous eukaryotic strain resulted in an increased amount of PUFAs, as a percent of total fatty acids and as a percent of dry cell weight, in the total lipid fraction and in the oil fraction of the strain, as compared to the parental strain whose native Pex protein was not disrupted. | 01-22-2015 |