Table 1.

Major phospholipids of various membrane fractions from T. pyriformis WH-14 cells

Membrane fraction	Total phospholipids (mole%)						Tetrahymanol (moles/mole lipid phosphorus)	Glyceryl ethers (moles/100 moles lipid phosphorus)
	Lyso-PC	PC	Lyso-AEPL/ PE	PE	AEPL	CL
Whole cells	2	33	0	37	23	5	0.057	29.7
Cilia	1	28	9	11	47	1	0.30	52.6
Ciliary supernatant	8	19	13	16	35	1	0.16	23.1
Pellicles	5	25	3	34	30	2	0.084	32.8
Mitochondria	2	35	0	35	18	10	0.048	24.7
Nuclear membranes	6	31	6	26	23	3	0.036	—
Microsomes	1	35	3	34	23	1	0.041	18.3
Postmicrosomal supernatant	5	34	4	30	22	2	0.016	27.4

Data from Nozawa and Thompson (1971)⁷⁾ and Thompson et al. (1971).⁹⁾

PC, phosphatidylcholine; PE, phosphatidylethanolamine; AEPL, 2-aminoethylphosphonolipid; CL, cardiolipin.