Journal of Lipid Research, Vol 38, 1923-1927, Copyright © 1997 by Lipid Research, Inc.

ARTICLES

Preparation of a naturally occurring D-erythro-(2S, 3R)- sphingosylphosphocholine using Shewanella alga NS-589

N Sueyoshi, H Izu and M Ito
Laboratory of Marine Biochemistry, Faculty of Agriculture, Kyushu, University, Fukuoka, Japan.

Sphingosylphosphocholine, an N-deacylated derivative of sphingomyelin, has been found to be involved in many cellular events. This paper describes a new method for preparation of a D-erythro- sphingosylphosphocholine, which is naturally occurring but difficult to prepare by chemical methods, using marine bacteria as a biocatalyst. When cultured with Shewanella alga NS-589 in synthetic medium, sphingomyelin was found to be efficiently converted by sphingomyelin deacylase to sphingosylphosphocholine. Sphingosylphosphocholine was purified with a high yield from the culture supernatant and identified to be a D-erythro-(2S,3R)-isomer containing d18:1 sphingenine as a long- chain base by fast atom bombardment mass spectrometry and NMR analyses.
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