Abstract: The present invention relates to a new process for the production of arachidonic acid and/or eicosapentaenoic acid in plants through the co-expression of a ?-12-/?-15-desaturase, ?-9-elongase, ?-8-desaturase and a ?-5-desaturase and a process for the production of lipids or oils having an increased content of unsaturated fatty acids, in particular ?-3 and ?-6 fatty acids having at least two double bonds and a 18 or 20 carbon atom chain length. Preferably the arachidonic acid and eicosapentaenoic acid are produced in at least a 1:2 ratio. The invention furthermore relates to the production of a transgenic plants, preferably a transgenic crop plant, having an increased content of arachidonic acid and/or eicosapentaenoic acid, oils or lipids containing C18- or C20-fatty acids with a double bond in position 5, 8, 9, 11, 12, 14, 15 or 17 of the fatty acid produced, respectively due to the expression of the ?-12-/?-15-desaturase, of the ?-9-elongase, of the ?-8-desaturase and of the ?-5-desaturase in the plant.

Abstract: The invention provides isolated nucleic acid molecules which encode novel fatty acid desaturases and elongases from the organism Emiliana huxleyi. The invention also provides recombinant expression vectors containing desaturase or elongase nucleic acid molecules, host cells into which the expression vectors have been introduced, and methods for large-scale production of long chain polyunsaturated fatty acids (LCPUFAs), e.g. arachidonic acid (ARA), eicosapentaenoic acid (EPA) or docosahexaenoic acid (DHA).

Abstract: The invention provides isolated nucleic acid molecules which encodes a novel fatty acid nECR. The invention also provides recombinant expression vectors containing nECR nucleic acid molecules, host cells into which the expression vectors have been introduced, and methods for large-scale production of long chain polyunsaturated fatty acids (LCPUFAs), e.g., ARA, EPA and DHA.

Abstract: The invention relates to nucleic acid derived from Perkinsus marinus which encodes a 9-elongase, a ?8-desaturase and a ?5-desaturase enzyme. All of the coding sequences can be transcribed as a single transcript.

Abstract: The present invention relates to a new process for the production of arachidonic acid and/or eicosapentaenoic acid in plants through the co-expression of a ?-12-/?-15-desaturase, ?-9-elongase, ?-8-desaturase and a ?-5-desaturase and a process for the production of lipids or oils having an increased content of unsaturated fatty acids, in particular ?-3 and ?-6 fatty acids having at least two double bonds and a 18 or 20 carbon atom chain length. Preferably the arachidonic acid and eicosapentaenoic acid are produced in at least a 1:2 ratio. The invention furthermore relates to the production of a transgenic plants, preferably a transgenic crop plant, having an increased content of arachidonic acid and/or eicosapentaenoic acid, oils or lipids containing C18- or C20-fatty acids with a double bond in position ?5, 8, 9, 11, 12, 14, 15 or 17 of the fatty acid produced, respectively due to the expression of the ?-12-/?-15-desaturase, of the ?-9-elongase, of the ?-8-desaturase and of the ?-5-desaturase in the plant.

Abstract: The present invention relates to a new process for the production of arachidonic acid and/or eicosapentaenoic acid in plants through the co-expression of a ?-12-/?-15-desaturase, ?-9-elongase, ?-8-desaturase and a ?-5-desaturase and a process for the production of lipids or oils having an increased content of unsaturated fatty acids, in particular ?-3 and ?-6 fatty acids having at least two double bonds and a 18 or 20 carbon atom chain length. Preferably the arachidonic acid and eicosapentaenoic acid are produced in at least a 1:2 ratio. The invention furthermore relates to the production of a transgenic plants, preferably a transgenic crop plant, having an increased content of arachidonic acid and/or eicosapentaenoic acid, oils or lipids containing C18- or C20-fatty acids with a double bond in position 5, 8, 9, 11, 12, 14, 15 or 17 of the fatty acid produced, respectively due to the expression of the ?-12-/?-15-desaturase, of the ?-9-elongase, of the ?-8-desaturase and of the ?-5-desaturase in the plant.

Abstract: The present invention relates to a new process for the production of arachidonic acid and/or eicosapentaenoic acid in plants through the co-expression of a ?-12-/?-15-desaturase, ?-9-elongase, ?-8-desaturase and a ?-5-desaturase and a process for the production of lipids or oils having an increased content of unsaturated fatty acids, in particular ?-3 and ?-6 fatty acids having at least two double bonds and a 18 or 20 carbon atom chain length. Preferably the arachidonic acid and eicosapentaenoic acid are produced in at least a 1:2 ratio. The invention furthermore relates to the production of a transgenic plants, preferably a transgenic crop plant, having an increased content of arachidonic acid and/or eicosapentaenoic acid, oils or lipids containing Ci?- or C20-fatty acids with a double bond in position ? 5, 8, 9, 11, 12, 14, 15 or dffthe fatty acid produced, respectively due to the expression of the ?-12-/?-15-desaturase, of the ?-9-elongase, of the ?-8-desaturase and of the ?-5-desaturase in the plant.

Abstract: The present invention relates to the production of ?-linolenic acid (18:3?6,9,12) or stearidonic acid (18:4?6,9,12,15) or ?-linolenic acid (18:3?6,9,12) and stearidonic acid (18:4?6,9,12,15) in transgenic plants of the family Brassicaceae, where the transgenic plants comprise at least 10% by weight of oleic acid based on the total fatty acid content and, as the result of the activity of the ?6-desaturases used in the method, have an increased ?6-C18-fatty acid content. The invention furthermore relates to novel nucleic acid sequences which code for the ?6-desaturases used in the method, gene constructs comprising these nucleic acid sequences, a vector and transgenic plants comprising at least one nucleic acid sequence or a gene construct.

Abstract: The present invention relates to a polynucleotide from Emiliana huxleyi which codes for a desaturase and which can be employed for the recombinant production of polyunsaturated fatty acids. The invention furthermore relates to vectors, host cells and transgenic nonhuman organisms which comprise the polynucleotide according to the invention, and to the polypeptides encoded by the polynucleotide. The invention furthermore relates to antibodies against the polypeptide according to the invention. Finally, the invention also relates to production methods for the polyunsaturated fatty acids and for oil, lipid and fatty acid compositions and to their use as drugs, cosmetics, foodstuffs, feedstuffs, preferably fish food, or food supplements.

Abstract: A process for the production of ?5-unsaturated fatty acids in transgenic organisms comprises transforming an organism with nucleic acid encoding a ?5-desaturase.

Abstract: The present invention relates to an improved process for the specific production of poly-unsaturated omega-3 and omega-6 fatty acids and a process for the production of triglycerides having an increased content of unsaturated fatty acids, in particular omega-3 and omega-6 fatty acids having at least two double bonds and a 20 or 22 carbon atom chain length. The invention relates to the production of a transgenic organism, preferably a transgenic plant or a transgenic microorganism, hav-ing an increased content of fatty acids, oils or lipids containing C20- or C22-fatty acids with a delta-5, 7, 8, 10 double bond, respectively due to the expression of a delta-8-desaturase and a delta-9-elon-gase from organisms such as plants preferably Algae like Isochrysis galbana or Euglena gracilis.

Abstract: The present invention relates to a new process for the production of arachidonic acid and/or eicosapentaenoic acid in plants through the co-expression of a ?-12-/?-15-desaturase, ?-9-elongase, ?-8-desaturase and a ?-5-desaturase and a process for the production of lipids or oils having an increased content of unsaturated fatty acids, in particular ?-3 and ?-6 fatty acids having at least two double bonds and a 18 or 20 carbon atom chain length. Preferably the arachidonic acid and eicosapentaenoic acid are produced in at least a 1:2 ratio. The invention furthermore relates to the production of a transgenic plants, preferably a transgenic crop plant, having an increased content of arachidonic acid and/or eicosapentaenoic acid, oils or lipids containing C8— or C20— fatty acids with a double bond in position 5, 8, 9, 11, 12, 14, 15 or 17 of the fatty acid produced, respectively due to the expression of the ?-12-/?-15-desaturase, of the ?-9-elongase, of the ?-8-desaturase and of the ?-5-desaturase in the plant.

Abstract: The present invention relates to an improved method for the specific production of unsaturated ?-3 fatty acids and a method for the production of triglycerides having an increased content of unsaturated fatty acids, in particular ?-3 fatty acids having more than three double bonds. The invention relates to the production of a transgenic organism, preferably a transgenic plant or a transgenic microorganism, having an increased content of fatty acids, oils or lipids having ?6 double bonds due to the expression of a ?6-desaturase from Primulaceae. The invention additionally relates to expression cassettes containing a nucleic acid sequence, a vector and organisms containing at least one nucleic acid sequence or an expression cassette. The invention further relates to unsaturated fatty acids and triglycerides having an increased content of unsaturated fatty acids and use thereof.

Abstract: The present invention relates to an improved method for the specific production of unsaturated ?-3 fatty acids and a method for the production of triglycerides having an increased content of unsaturated fatty acids, in particular ?-3 fatty acids having more than three double bonds. The invention relates to the production of a transgenic organism, preferably a transgenic plant or a transgenic microorganism, having an increased content of fatty acids, oils or lipids having ?6 double bonds due to the expression of a ?6-desaturase from Primulaceae. The invention additionally relates to expression cassettes containing a nucleic acid sequence, a vector and organisms containing at least one nucleic acid sequence or an expression cassette. The invention further relates to unsaturated fatty acids and triglycerides having an increased content of unsaturated fatty acids and use thereof.

Abstract: The invention relates to nucleic acid derived from Perkinsus marinus which encodes a 9-elongase, a ?8-desaturase and a ?5-desaturase enzyme. All of the coding sequences can be transcribed as a single transcript.

Abstract: The present invention relates to the production of ?-linolenic acid (18:3?6,9,12) or stearidonic acid (18:4?6,9,12,15) or ?-linolenic acid (18:3?6,9,12) and stearidonic acid (18:4?6,9,12,15) in transgenic plants of the family Brassicaceae, where the transgenic plants comprise at least 10% by weight of oleic acid based on the total fatty acid content and, as the result of the activity of the ?6-desaturases used in the method, have an increased ?6-C18-fatty acid content. The invention furthermore relates to novel nucleic acid sequences which code for the ?6-desaturases used in the method, gene constructs comprising these nucleic acid sequences, a vector and transgenic plants comprising at least one nucleic acid sequence or a gene construct.

Abstract: A process for the production of ?5-unsaturated fatty acids in transgenic organisms comprises transforming an organism with nucleic acid encoding a ?5-desaturase.

Abstract: The present invention relates to an improved process for the specific production of poly-unsaturated omega-3 and omega-6 fatty acids and a process for the production of triglycerides having an increased content of unsaturated fatty acids, in particular omega-3 and omega-6 fatty acids having at least two double bonds and a 20 or 22 carbon atom chain length. The invention relates to the production of a transgenic organism, preferably a transgenic plant or a transgenic microorganism, hav-ing an increased content of fatty acids, oils or lipids containing C20- or C22-fatty acids with a delta-5, 7, 8, 10 double bond, respectively due to the expression of a delta-8-desaturase and a delta-9-elon-gase from organisms such as plants preferably Algae like Isochrysis galbana or Euglena gracilis.

Abstract: The present invention relates to an improved method for the specific production of unsaturated ?-3 fatty acids and a method for the production of triglycerides having an increased content of unsaturated fatty acids, in particular ?-3 fatty acids having more than three double bonds. The invention relates to the production of a transgenic organism, preferably a transgenic plant or a transgenic microorganism, having an increased content of fatty acids, oils or lipids having ? 6 double bonds due to the expression of a ? 6-desaturase from Primulaceae. The invention additionally relates to expression cassettes containing a nucleic acid sequence, a vector and organisms containing at least one nucleic acid sequence or an expression cassette. The invention further relates to unsaturated fatty acids and triglycerides having an increased content of unsaturated fatty acids and use thereof.