Table 1.

Tests for synergy effects for genes expressed separately and in different combinations

Separate genotypes	Genotype/condition
	O+W	O+D	W+D	OW+D	OD+W	WD+O	O+W+D
Sum of average TAG levels (S1)*	0.54	0.40	0.83	0.90	4.08	2.06	0.93
Combined expression	OW	OD	WD	OWD	OWD	OWD	OWD
Average TAG level (S2)*	0.51	3.55	1.96	7.76	7.76	7.76	7.76
Ratio S2/S1	0.94	8.79	2.36	8.65	1.90	3.77	8.35
T	−0.93	−18.99	−4.16	−16.53	−8.62	−11.72	−16.79
df	20	20	20	20	20	20	25
P‐value	3.6E‐01	2.9E‐14	4.8E‐04	4.0E‐13	3.6E‐08	2.0E‐10	4.0E‐15

Mean values (TAG(%DW)) derived from Table S1. For computation of test statistic T and P‐values see Methods.

^*Minus the contribution of the empty vector control in each case (Table S1).