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Metabolically engineered Saccharomyces cells for the production of polyunsaturated fatty acids

机译:代谢工程化的酿酒酵母细胞,用于生产多不饱和脂肪酸

摘要

The present invention relates to the construction and engineering of cells, more particularly microorganisms for producing PUFAs with four or more double bonds from non-fatty acid substrates through heterologous expression of an oxygen requiring pathway.;The invention especially involves improvement of the PUFA content in the host organism through fermentation optimization, e.g. decreasing the temperature and/or designing an optimal medium, or through improving the flux towards fatty acids by metabolic engineering, e.g. through over-expression of fatty acid synthases, over-expression of other enzymes involved in biosynthesis of the precursors for PUFAs, or codon optimization of the heterologous genes, or expression of heterologous enzymes involved in the biosynthesis of the precursor for PUFAs.
机译:本发明涉及细胞的构建和工程化,更具体地涉及通过异源表达需氧途径从非脂肪酸底物生产具有四个或更多个双键的PUFA的微生物。通过发酵优化的宿主生物,例如降低温度和/或设计最佳培养基,或通过代谢工程提高脂肪酸通量,例如通过通过过度表达脂肪酸合酶,过度表达参与PUFA前体生物合成的其他酶,或优化异源基因的密码子,或表达参与PUFA前体生物合成的异源酶。

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