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Science 8 September 1967:
Vol. 157. no. 3793, pp. 1189 - 1191
DOI: 10.1126/science.157.3793.1189
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Articles

Euglena gracilis: A Novel Lipid Energy Reserve and Arachidonic Acid Enrichment during Fasting

Abraham Rosenberg 1

1 Columbia University Research Service, Goldwater Memorial Hospital, New York 10017

In Euglena gracilis grown in the dark, was esters, consisting of a combination of medium-chain fatty acids and alcohols that contain both odd and even numbers of carbon atoms, appear to be a reservoir for metabolic energy. When the organisms are fasted, their pellicular membrane systems become quite rich in long-chain polyenoic acids, mostly of the arachidonic acid family.

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Science. ISSN 0036-8075 (print), 1095-9203 (online)