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Biochem J. 1973 Jun;134(2):659-62. doi: 10.1042/bj1340659.

Formation of ceramide phosphorylethanolamine from phosphatidylethanolamine in the rumen protozoon Entodinium caudatum (Short Communication).

The Biochemical journal

T E Broad, R M Dawson

Affiliations

  1. Department of Biochemistry, Agricultural Research Council Institute of Animal Physiology Babraham, Cambridge CB2 4AT, U.K.

PMID: 16742830 PMCID: PMC1177856 DOI: 10.1042/bj1340659

Abstract

From ;pulse'-labelling experiments of Entodinium caudatum with [(14)C]ethanolamine and by incubating the organism with [(32)P]phosphatidylethanolamine it is concluded that phosphatidylethanolamine can act as a direct precursor of the phosphorylethanolamine moiety of ceramide phosphorylethanolamine. The phosphorylethanolamine is probably never liberated in the free form but is transferred directly to a ceramide or ceramide-containing acceptor. The results are also in agreement with previous conclusions that phosphatidylethanolamine is the direct lipid precursor of N-(1-carboxyethyl)phosphatidylethanolamine.

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