TABLE 2.

Sterol composition of Chlamydomonas reinhardtii cells

Sterola	WTb	KD7c	KD21c	25-TLd	KD7PYc
1	0.3		0.7	2.5	1.1
2					0.3
3					0.3
4	tre	tr		tr	0.9
5	tr	tr	tr	tr	tr
6	2.7
7					tr
8	2.6	14.9		8.1	21.4
9	1.6
10	3.5		3	0.5
11	0.5	6.4			10.6
12			21.3
13	0.9		4.6
14	50.8			36.6
15			70.4
16	37.2			27.5	1.5
17
18				15.5
19				0.5
20				8.8
21		22.6			21.5
22		19.4			12.7
23		1.7			2.9
24		35			26.8

^aStructures of sterols are shown in Fig. 7.

^bWT, wild-type cells.

^cMutant cell lines.

^d25TL, 25-thialanosterol salt treated cells.

^etr, trace amount of sterol at less than 0.3%; blank refers to no sterol detected in cells.