Volume 18, Issue 5
  • ISSN: 0002-9637
  • E-ISSN: 1476-1645



The incorporation of sodium (1-C) acetate into the blood lipids of normal ducks and ducks infected with was studied. After incubation, the cells and plasma were separated, their total lipids extracted, and the lipid classes were separated by thin-layer chromatography. Individual lipid classes were examined for radioactivity by liquid-scintillation spectrometry. Activity was found in the phospholipids, sterols, free fatty acids, triglycerides, and sterol esters of both normal and infected blood cells and plasma. An additional class, monodiglycerides, was found to be active in the parasitized cells. The free fatty acids of both normal and infected plasma contained most of the activity found in their total lipids. The phospholipid fractions of normal and parasitized blood cells possessed most of the C activity. Parasitized blood cells demonstrated greater incorporation of C into their lipids than did plasma or normal blood cells.


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