Major polar lipids are phosphatidylglycerol
diphosphatidylglycerol and phosphatidylethanolamine.
The results indicated the presence of three major phospholipids including phosphatidylglycerol,
diphosphatidylglycerol, and phosphatidylethanolamine [19].
Cardiolipin (
diphosphatidylglycerol) is a unique phospholipid that plays an important role in cell membrane adaptation.
The most dominant phospholipid species in the control PM of [SLM.sub.046] and Okapi were PC, PE, PS and PG whereas those in 150 and 200 mM NaCl PM were PG, PE, PS and
diphosphatidylglycerol (DPG).
Cardiolipin (CL) [1] is a unique phospholipid with a dimeric structure (
diphosphatidylglycerol) that contains four acyl groups and carries two negative charges.
The following reagents were obtained from Sigma: cardiolipin (
diphosphatidylglycerol), sodium salt from beef heart, 4.8 g/L in ethanol; o-phenylenediamine dihydrochloride (OPD), 30-mg tablets; p-nitrophenyl phosphate, disodium; and diethanolamine, ACS reagent grade.