Phosphatidylethanolamine molecular species of fatty acid auxotroph of Escherichia coli grown with elaidate.

  • 21 November 1975
    • journal article
    • Vol. 409  (2) , 212-7
Abstract
Monoacetyldiglycerides derived from the phosphatidylethanolamine molecular species of the fatty acid auxotroph of Escherichia coli grown with elaidate at 37 degrees C were fractionated on thin-layer plates of silica impregnated with silver nitrate and were identified by gas chromatography-mass spectrometry with an OV-17 column and gas chromatography with a Silar-10C column. Phosphatidylethanolamine was made up of the following molecular species: 1-16 : 0-2-16 : 0 (1.2%), 1-14 : 0-2-trans-16 : 1 (1%), 1-16 : 0-2 trans-16 : 1 (3.5%), 1-16 : 0-2-trans-18 : 1 (26.4%), 1-16 : 0-2-cis-16 : 1 (3.8%), 1-trans-18 : 1-2-trans-16 : 1 (13.2%), 1-trans-18 : 1-2-trans-18 : 1 (44.9%), 1-trans-18 : 1-2-cis-16 : 1 (4.5%) and trans-18 : 1-cis-18 : 1 (1.5%).

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