Abstract
Phospholipid molecular species present in 32 isolates of Clostridium difficile were examined by fast atom bombardment-mass spectrometry in negative-ion mode. This revealed major anions consistent with the expected presence of the following phosphatidylglycerol (PG) analogs: PG(31:2), PG(32:1), PG(33:2), PG(33:1), PG(34:2), and PG(34:1). The major phospholipid molecular species are distinct from those of other bacterial groups examined.
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