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Original Article

Effect of undecanoic acid on phospholipid metabolismin Trichophyton rubrum

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Pages 267-272 | Received 10 Nov 1981, Accepted 14 Feb 1982, Published online: 09 Jul 2009
 

Abstract

At its minimum inhibitory concentration, undecanoic acid (UDA) inhibits biosynthesis of phosphatidyl serine, phosphatidyl ethanolamine and polyphosphoinositol but does not inhibit the synthesis of phosphatidyl glycerol, phosphatidyl choline, phosphatidyl inositol and phosphatidic acid in Trichophyton rubrum. At higher concentration, however, UDA inhibits biosynthesis of all phosphatides present in this dermatophyte. UDA also affects catabolism of these phosphatides. This inhibitory effect of UDA may be partially responsible for its toxic action on T. rubrum.

Zussamenfassung

Undecanoidsäure (UDA) hemmt bei ihrer minimalen Hemmkonzentration die Biosynthese von Phosphatidylserin, Phosphatidyläthanolamin und Polyphosphatidylinosit, aber nicht die Synthese von Phosphatidylglycerin, Phosphatidylcholin, Phosphatidylinosit und phosphoriger Säure in T. rubrum.

Bei höheren Konzentrationen jedoch hemmt UDA die Synthese aller Phosphatide, die in diesem Dermatophyten anwesend sind. UDA beeinflusst auch den Katabolismus dieser Phosphatide. Die beschriebene hemmende Wirkung auf die Synthese von Phosphatiden von UDA ist wahrscheinlich teilweise verantwortlich für die toxischen Effekte der Säure auf diesen Pilz.

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