ISOLATION AND PARTIAL CHARACTERIZATION OF A MAJOR INOSITOL-CONTAINING LIPID IN BAKER'S YEAST, MANNOSYL-DIINOSITOL, DIPHOSPHORYL-CERAMIDE
- 1 November 1969
- journal article
- Published by Proceedings of the National Academy of Sciences in Proceedings of the National Academy of Sciences
- Vol. 64 (3), 1042-1048
- https://doi.org/10.1073/pnas.64.3.1042
Abstract
A polar lipid containing about 20 per cent of the lipid soluble inositol has been purified from cells of Saccharomyces cerevisiae. This compound labeled with (3)H-inositol, (32)P(i), or (14)C glucose was isolated from aqueous pyridine extracts by means of paper chromatography. Unlabeled compound was obtained by a differential solubility scheme. Analytical and degradation studies suggest that this compound can be formulated as a mannosyl-diinositol, diphosphoryl-ceramide. It can be converted by treatment with base or acid into a mannosylmonoinositol phosphoryl-ceramide, a composition which relates it to the basic structure of the phytoglycolipids.Keywords
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