Sterol contents of haploid myxoamoebae of Physarum polycephalum. Comparison with those of diploid plasmodia.

Abstract
The sterol contents of the myxoamoebae of Physarum poly-cephalum were examined and compared to those of the diploid plasmodia of Physarum. Most of the sterol components were unsaturated, the major species being poriferasterol. The myxoamoebae also contained Δ5-ergostenol and 22-dihydroporiferasterol. The molar ratio of these three species of unsaturated sterols was 80 : 15 : 5.

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