Analyses of Pneumocystis Fatty Acids

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Abstract
The major ester‐linked fatty acids of the total lipids extracted from Pneumocystis carinii isolated from the lungs of corticosteroid‐trcaicd rats were 16:0. 18:0, 18:1, 18:2 and 20:4. Others detected included 14:0, 16:1 and 22:4. The major sphingolipid fatty acids were 16:0, 18:0,22:0,24:0 and 24:1; others included 14:0, 18:1, 20:0, 23:0, 24:2 and 26:0. The total lipid fatty acid compositions of preparations from appropriate lung controls were similar to those of the organism.