Fatty Acid and Sterol Composition of Three Phytomonas Species
Nakamura, Celso Vataru; Waldow, Luciana; Pelegrinello, Sandra Regina; Ueda-Nakamura, Tânia; Abreu Filho, Benício Alves de; Dias Filho, Benedito Prado.
Mem. Inst. Oswaldo Cruz;
94(4): 519-25, July-Aug. 1999.
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en Inglés
| LILACS | ID: lil-241567
Fatty acid and sterol analysis were performed on Phytomonas serpens and Phytomonas sp. grown in chemically defined and complex medium, and P. françai cultivated in complex medium. The three species of the genus Phytomonas had qualitatively identical fatty acid patterns. Oleic, linoleic, and linolenic were the major unsaturated fatty acids. Miristic and stearic were the major saturated fatty acids. Ergosterol was the only sterol isolated from Phytmonas sp. and P. serpens grown in a sterol-free medium, indicating that it was synthesized de novo. When P. françai that does not grow in defined medium was cultivated in a complex medium, cholesterol was the only sterol detected. The fatty acids and sterol isolated from Phytomonas sp. and P. serpens grown in a chemically defined lipid-free medium indicated that they were able to biosynthesize fatty acids and ergosterol from acetate or from acetate precursors such as glucose or threonine
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