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. 1988 Aug 15;254(1):301-2.
doi: 10.1042/bj2540301.

Use of 3-aminopropanol as an ethanolamine analogue in the study of phospholipid metabolism in Tetrahymena

J D Smith  1 , L J Barrows
Affiliations

Use of 3-aminopropanol as an ethanolamine analogue in the study of phospholipid metabolism in Tetrahymena

J D Smith et al. Biochem J. .

Abstract

About 50% of the ethanolamine in phosphatidylethanolamine in Tetrahymena is replaced by 3-aminopropan-1-ol when the compound is added to the growth medium. The phosphatidylpropanolamine which is formed is not converted into the corresponding phosphatidylcholine analogue by methylation. There is an increase in phosphatidylcholine formed by the phosphotransferase pathway from free [3H]choline and a decrease in the phosphatidylcholine formed by the methylation pathway from [14C]methionine. The nature of the observed phospholipid alterations suggests that the regulation of phosphatidylcholine biosynthesis in Tetrahymena may be different from that found in higher eukaryotes.

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