The Manipulation of the Fatty Acid Counposition of Glycerolipids in Cyanobacteria Using Exogenous Fatty Acids

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概要

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• The fatty acid composition of the major diacylglycerolipids of Anacystis nidulans R2 cells was modified by the careful addition of exogenous fatty acids to the growth medium of the cyanobacteria. In this way it is possible to incorporate significant levels of different fatty acids in-to the membranes of the cells and change their physical properties without changing other environmental conditions. The exogenous fatty acid reduces or inhibits the biosynthesis of native fatty acids and substitutes for them in all the major diacylglycerolipids. Although modifying the fatty acid composition in this way is lethal above certain concentrations, the data demonstrate a remarkable ability of the cells to grow and develop over a wide range of fatty acid compositions. Similar data show that the fatty acid composition of Synechocystis sp. 6803 cells also undergo significant changes in fatty acid composition on the addition of exogenous fatty acid to the growth medium and can tolerate similar changes in the degree of unsaturation of the fatty acids of the diacylglycerolipids of the cell membranes.

• 日本植物生理学会の論文

著者

• Williams John

  Department Of Botany And Centre For Plant Biotechnology 25 Willcocks Street University Of Toronto

• Khan Mobashsher

  Department of Botany, University of Toronto

• Mitchell Kirk

  Department of Botany, University of Toronto

• Maissan Ellen

  Department of Botany and Centre for Plant Biotechnology, 25 Willcocks Street, University of Toronto

• Mitchell Kirk

  Department Of Botany And Centre For Plant Biotechnology 25 Willcocks Street University Of Toronto

• Khan Mobashsher

  Department Of Botany And Centre For Plant Biotechnology 25 Willcocks Street University Of Torontotor

• Maissan Ellen

  Department Of Botany And Centre For Plant Biotechnology 25 Willcocks Street University Of Toronto

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