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    • 5. 发明申请
    • Method Of Breeding Cells To Improve Tolerance To Short Chain Fatty Acids
    • 育种细胞方法提高短链脂肪酸的耐受性
    • US20080138904A1
    • 2008-06-12
    • US11793145
    • 2005-12-12
    • Shigeru NakanoMasahiro Fukaya
    • Shigeru NakanoMasahiro Fukaya
    • C12N15/09C12N1/21
    • C12P7/40C12N1/00C12N15/52C12P7/52C12P7/54
    • It is intended to provide a method of conferring to microbial cells or the like, tolerance to a short chain fatty acid, including formic acid and acetic acid, which is harmful to the growth thereof without suppressing the growth of the cells while maintaining a high productivity of useful substances. It is also intended to provide a means for efficiently culturing a microorganism in the presence of a short chain fatty acid, or a means for producing a useful short chain fatty acid via fermentation.The present invention provides a method of breeding cells to improve tolerance to a short chain fatty acid, wherein a gene encoding a protein having a function of transporting a short chain fatty acid from the inside of cells to the outside of cells, is transformed into and expressed in the cells; a high cell-density culture method for producing useful substances using the cell; and a method of preparing a fermentation broth comprising a short chain fatty acid, wherein the cells are cultured under the conditions such that the cells produce a short chain fatty acid.
    • 旨在提供赋予微生物细胞等的方法,对包含甲酸和乙酸的短链脂肪酸的耐受性,其对生长有害,而不抑制细胞生长,同时保持高生产率 的有用物质。 还提供了在短链脂肪酸存在下有效培养微生物的方法,或者是通过发酵生产有用的短链脂肪酸的方法。 本发明提供一种育种细胞以改善对短链脂肪酸耐受性的方法,其中将编码具有从细胞内部输送到外部的短链脂肪酸的功能的蛋白质的基因转化到细胞外, 在细胞中表达; 用于使用该细胞产生有用物质的高细胞密度培养方法; 以及制备包含短链脂肪酸的发酵液的方法,其中所述细胞在使细胞产生短链脂肪酸的条件下培养。