Table IV. Fatty acid compositions of leaf lipids from wild-type and mutant Arabidopsis grown at 22°C.

Data are the average of four replicates. DGD, Digalactosyldiacylglycerol; PC, phosphatidylcholine; PE, phosphatidylethanolamine; PI, phosphatidylinositol; SQ, sulfoquinovosyl diacylglycerol.

Lipid Class	Genotype	Percentage of Total Polar Lipids	Fatty Acid as Percentage of Total
			16:0	16:1	16:3	18:0	18:1	18:2	18:3
MGD	Wild type	25.3	5.1	3.2	26.6	2.0	3.8	4.8	51.6
	fab1	29.8	8.8	4.0	31.0	1.1	3.6	2.6	46.4
	fab1 act1-6	30.1	5.1	2.7	14.8	0.9	4.8	3.1	67.4
	fab1 gly1	35.3	4.5	1.9	15.4	0.1	3.0	2.4	71.6
	fab1 fad6	38.6	4.4	29.0	0	0.2	32.2	1.1	31.6
PG	Wild type	15.6	30.6	23.1	3.6	4.0	7.9	9.3	21.5
	fab1	19.4	48.5	21.2	3.3	3.1	5.5	4.5	13.9
	fab1 act1-6	13.2	31.0	28.1	2.6	2.8	5.5	7.9	22.9
	fab1 gly1	12.6	33.6	26.1	0.9	1.2	5.0	9.3	24.0
	fab1 fad6	14.2	40.3	24.4	0	1.0	27.6	3.4	3.4
DGD	Wild type	17.6	24.0	0.4	3.1	3.7	2.8	6.9	58.5
	fab1	12.4	38.6	1.9	3.8	3.9	3.6	4.2	43.0
	fab1 act1-6	14.4	24.5	2.3	2.1	2.8	5.8	3.7	58.2
	fab1 gly1	13.8	21.4	1.7	1.2	1.0	2.9	2.0	69.4
	fab1 fad6	13.7	24.0	6.0	0	1.5	15.1	1.2	52.2
SQ, PI	Wild type	7.9	40.9	0.4	3.2	8.6	3.9	15.1	27.3
	fab1	8.7	53.7	1.6	2.9	5.6	3.6	10.8	21.8
	fab1 act1-6	9.0	43.3	1.6	1.3	4.0	5.0	16.3	27.4
	fab1 gly1	7.9	50.1	0.7	0.1	3.3	3.5	14.4	27.9
	fab1 fad6	7.7	49.6	2.9	0.2	3.1	13.2	12.2	18.8
PE	Wild type	14.7	28.9	0.4	3.4	7.6	4.8	30.2	23.6
	fab1	13.4	38.2	3.0	1.3	4.8	5.6	23.7	23.4
	fab1 act1-6	14.2	33.4	1.6	1.2	3.1	10.0	34.2	16.2
	fab1 gly1	11.0	34.4	0.8	0	2.4	8.5	33.9	19.7
	fab1 fad6	10.0	36.9	2.2	0.3	3.2	8.3	31.8	16.0
PC	Wild type	15.5	25.4	0.4	0.9	4.8	8.4	33.9	26.1
	fab1	16.3	35.3	4.0	1.8	5.1	6.4	20.7	26.3
	fab1 act1-6	19.2	26.3	2.8	1.1	2.8	13.9	30.9	22.0
	fab1 gly1	19.5	26.7	2.3	0.5	2.2	11.3	29.5	27.4
	fab1 fad6	15.8	29.5	6.0	0	2.8	10.0	30.0	21.6