Abstract
We have identified and characterized enzymes of phospholipid synthesis in two plasmalogen-rich anaerobes. Megasphaera elsdenii and Veillonella parvula, and one anaerobe lacking plasmalogens. Desulfovibrio vulgaris. All three species contained phosphatidate cytidylyltransferase and phosphatidylserine synthase. Phosphatidylglycerophosphate synthesis was detected only D. vulgaris extracts. Phosphatidylserine (diacyl form) was the major product of the phosphatidylserine synthase assay with particles from M. elsdenii or V. parvula. The amounts of phosphatidylethanolamine formed were very low. Only D. vulgaris particles had an active phosphatidylserine decarboxylase.
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