Plasticity and constraints on fatty acid composition in the phospholipids and triacylglycerols of Arabidopsisaccessions grown at different temperatures

Table 2 Direction, rate and significance of latitudinal changesin FA proportions in TAGs at high and low growth temperatures

Trait	Direction^a		High^b			Low^c			r^2d		Slope^e
	High^f	Low	P-value	Q-value	FDR	P-value	Q-value	FDR	High	Low	High	Low
Sat	Decrease	Decrease	0.040	0.056	0.192	0.002	0.007	0.024	0.089	0.191	−0.001	−0.001
16:0			0.099	0.059	0.203	0.074	0.059	0.203	0.058	0.068	0.000	0.000
18:0			0.371	0.144	0.495	0.056	0.056	0.192	0.017	0.077	0.000	0.000
18:1	Decrease		0.048	0.056	0.192	0.924	0.268	0.924	0.063	0.000	−0.001	0.000
18:2	Increase		0.033	0.056	0.192	0.226	0.099	0.341	0.095	0.032	0.001	0.001
18:3			0.110	0.059	0.203	0.428	0.149	0.513	0.054	0.014	0.001	0.001
20:0			0.175	0.087	0.300	0.360	0.144	0.495	0.055	0.042	0.000	0.000
20:1			0.523	0.174	0.598	0.757	0.229	0.790	0.009	0.002	0.000	0.000
20:2			0.227	0.099	0.341	0.107	0.059	0.203	0.032	0.056	0.000	0.000
20:3			0.109	0.059	0.203	0.403	0.148	0.509	0.185	0.089	0.000	0.000
22:1		Decrease	0.675	0.213	0.736	0.0003	0.002	0.007	0.004	0.251	0.000	−0.001
16:0 + 18:0		Decrease	0.097	0.059	0.203	0.004	0.009	0.032	0.059	0.169	−0.001	−0.001

Numbers in bold indicate significance at α = 0.05.
^aDirection of the change in proportions of FAs as latitude increases.
^bSignificance of the change in proportions of FAs as latitude increases for the high growing temperature treatment.
^cSignificance of the change in proportions of FAs as latitude increasesfor the low growing temperature treatment.
^dRegressioncoefficients of the change in proportions of FAs.
^eRate of change in proportions of FAs per degree of latitude as latitude increases.
^fGrowing temperature.

ISSN: 1471-2229